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See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA # Dummy pkg-config file which is used to allow out of tree packages to # be configured against the libnbd tree without libnbd needing to be # installed. # # Note if you are using the ./run script then you don't need to worry # about this because the script sets PKG_CONFIG_PATH correctly. prefix=@abs_top_builddir@ exec_prefix=@abs_top_builddir@ libdir=@abs_top_builddir@/lib/.libs includedir=@abs_top_srcdir@/include Name: @PACKAGE_NAME@ Version: @PACKAGE_VERSION@ Description: NBD client library in userspace Requires: Cflags: -I${includedir} Libs: -L${libdir} -lnbd libnbd-1.22.2/lib/Makefile.am0000644000175000017500000000521014525371754011326 # nbd client library in userspace # Copyright Red Hat # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: @PACKAGE_NAME@ Version: @PACKAGE_VERSION@ Description: NBD client library in userspace Requires: Cflags: Libs: -lnbd libnbd-1.22.2/lib/aio.c0000644000175000017500000000777514615732571010226 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include "internal.h" /* Internal function which retires and frees a command. */ void nbd_internal_retire_and_free_command (struct command *cmd) { /* Free the callbacks. */ if (cmd->type == NBD_CMD_BLOCK_STATUS) { if (cmd->cb.wide) FREE_CALLBACK (cmd->cb.fn.extent64); else FREE_CALLBACK (cmd->cb.fn.extent32); if (cmd->ids) { uint32_vector_reset (cmd->ids); free (cmd->ids); } } if (cmd->type == NBD_CMD_READ) FREE_CALLBACK (cmd->cb.fn.chunk); FREE_CALLBACK (cmd->cb.completion); free (cmd); } int nbd_unlocked_aio_get_fd (struct nbd_handle *h) { if (!h->sock) { set_error (EINVAL, "connection is not in a connected state"); return -1; } return h->sock->ops->get_fd (h->sock); } int nbd_unlocked_aio_notify_read (struct nbd_handle *h) { return nbd_internal_run (h, notify_read); } int nbd_unlocked_aio_notify_write (struct nbd_handle *h) { return nbd_internal_run (h, notify_write); } int nbd_unlocked_aio_command_completed (struct nbd_handle *h, uint64_t cookie) { struct command *prev_cmd, *cmd; uint16_t type; uint32_t error; if (cookie < 1) { set_error (EINVAL, "invalid aio cookie %" PRId64, cookie); return -1; } /* Find the command amongst the completed commands. */ for (cmd = h->cmds_done, prev_cmd = NULL; cmd != NULL; prev_cmd = cmd, cmd = cmd->next) { if (cmd->cookie == cookie) break; } if (!cmd) return 0; type = cmd->type; error = cmd->error; assert (cmd->type != NBD_CMD_DISC); /* The spec states that a 0-length read request is unspecified; but * it is easy enough to treat it as successful as an extension. * Conversely, make sure a server sending structured replies sent * enough data chunks to cover the overall count (although we do not * detect if it duplicated some bytes while omitting others). */ if (type == NBD_CMD_READ && cmd->data_seen != cmd->count && !error) { debug (h, "server sent wrong byte length without error; using EPROTO"); error = EPROTO; } /* Retire it from the list and free it. */ if (h->cmds_done_tail == cmd) { assert (cmd->next == NULL); h->cmds_done_tail = prev_cmd; } if (prev_cmd != NULL) prev_cmd->next = cmd->next; else h->cmds_done = cmd->next; nbd_internal_retire_and_free_command (cmd); /* If the command was successful, return true. */ if (error == 0) return 1; /* The command failed, set an error indication and return an error. */ set_error (error, "%s: command failed", nbd_internal_name_of_nbd_cmd (type)); return -1; } int64_t nbd_unlocked_aio_peek_command_completed (struct nbd_handle *h) { if (h->cmds_done != NULL) { assert (h->cmds_done->type != NBD_CMD_DISC); return h->cmds_done->cookie; } if (h->cmds_in_flight != NULL || h->cmds_to_issue != NULL) { set_error (0, "no in-flight command has completed yet"); return 0; } set_error (EINVAL, "no commands are in flight"); return -1; } int nbd_unlocked_aio_in_flight (struct nbd_handle *h) { return h->in_flight; } libnbd-1.22.2/lib/api.c0000444000175000017500000055370514706511425010216 /* NBD client library in userspace * WARNING: THIS FILE IS GENERATED FROM * generator/generator * ANY CHANGES YOU MAKE TO THIS FILE WILL BE LOST. * * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include /* GCC will remove NULL checks from this file for any parameter * annotated with attribute((nonnull)). See RHBZ#1041336. To * avoid this, disable the attribute when including libnbd.h. */ #define LIBNBD_ATTRIBUTE_NONNULL(...) #include "libnbd.h" #include "internal.h" int nbd_set_debug ( struct nbd_handle *h, bool debug ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_debug"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: debug=%s", debug ? "true" : "false"); } ret = nbd_unlocked_set_debug (h, debug); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_debug ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_debug", "enter:"); } ret = nbd_unlocked_get_debug (h); if_debug (h) { debug_direct (h, "nbd_get_debug", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_set_debug_callback ( struct nbd_handle *h, nbd_debug_callback debug_callback ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_debug_callback"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: debug=%s", ""); } if (CALLBACK_IS_NULL (debug_callback)) { set_error (EFAULT, "%s cannot be NULL", "debug"); ret = -1; goto out; } ret = nbd_unlocked_set_debug_callback (h, &debug_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (debug_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_clear_debug_callback ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_clear_debug_callback"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_clear_debug_callback (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uint64_t nbd_stats_bytes_sent ( struct nbd_handle *h ) { uint64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_stats_bytes_sent", "enter:"); } ret = nbd_unlocked_stats_bytes_sent (h); if_debug (h) { debug_direct (h, "nbd_stats_bytes_sent", "leave: ret=%" PRIu64, ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uint64_t nbd_stats_chunks_sent ( struct nbd_handle *h ) { uint64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_stats_chunks_sent", "enter:"); } ret = nbd_unlocked_stats_chunks_sent (h); if_debug (h) { debug_direct (h, "nbd_stats_chunks_sent", "leave: ret=%" PRIu64, ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uint64_t nbd_stats_bytes_received ( struct nbd_handle *h ) { uint64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_stats_bytes_received", "enter:"); } ret = nbd_unlocked_stats_bytes_received (h); if_debug (h) { debug_direct (h, "nbd_stats_bytes_received", "leave: ret=%" PRIu64, ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uint64_t nbd_stats_chunks_received ( struct nbd_handle *h ) { uint64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_stats_chunks_received", "enter:"); } ret = nbd_unlocked_stats_chunks_received (h); if_debug (h) { debug_direct (h, "nbd_stats_chunks_received", "leave: ret=%" PRIu64, ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_set_handle_name ( struct nbd_handle *h, const char *handle_name ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_handle_name"); pthread_mutex_lock (&h->lock); if_debug (h) { char *handle_name_printable = nbd_internal_printable_string (handle_name); debug (h, "enter: handle_name=%s", handle_name_printable ? handle_name_printable : ""); free (handle_name_printable); } if (handle_name == NULL) { set_error (EFAULT, "%s cannot be NULL", "handle_name"); ret = -1; goto out; } ret = nbd_unlocked_set_handle_name (h, handle_name); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } char * nbd_get_handle_name ( struct nbd_handle *h ) { char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_handle_name"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_handle_name (h); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uintptr_t nbd_set_private_data ( struct nbd_handle *h, uintptr_t private_data ) { uintptr_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_set_private_data", "enter: private_data=%"PRIuPTR"", private_data); } ret = nbd_unlocked_set_private_data (h, private_data); if_debug (h) { debug_direct (h, "nbd_set_private_data", "leave: ret=%" PRIuPTR, ret); } return ret; } uintptr_t nbd_get_private_data ( struct nbd_handle *h ) { uintptr_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_get_private_data", "enter:"); } ret = nbd_unlocked_get_private_data (h); if_debug (h) { debug_direct (h, "nbd_get_private_data", "leave: ret=%" PRIuPTR, ret); } return ret; } static inline bool set_export_name_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state) || nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created, or negotiating"); return false; } return true; } int nbd_set_export_name ( struct nbd_handle *h, const char *export_name ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_export_name"); pthread_mutex_lock (&h->lock); if_debug (h) { char *export_name_printable = nbd_internal_printable_string (export_name); debug (h, "enter: export_name=%s", export_name_printable ? export_name_printable : ""); free (export_name_printable); } p = set_export_name_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (export_name == NULL) { set_error (EFAULT, "%s cannot be NULL", "export_name"); ret = -1; goto out; } ret = nbd_unlocked_set_export_name (h, export_name); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } char * nbd_get_export_name ( struct nbd_handle *h ) { char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_export_name"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_export_name (h); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_request_block_size_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state) || nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created, or negotiating"); return false; } return true; } int nbd_set_request_block_size ( struct nbd_handle *h, bool request ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_request_block_size"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: request=%s", request ? "true" : "false"); } p = set_request_block_size_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_request_block_size (h, request); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_request_block_size ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_request_block_size"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_request_block_size (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_full_info_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state) || nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created, or negotiating"); return false; } return true; } int nbd_set_full_info ( struct nbd_handle *h, bool request ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_full_info"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: request=%s", request ? "true" : "false"); } p = set_full_info_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_full_info (h, request); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_full_info ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_full_info"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_full_info (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_canonical_export_name_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } char * nbd_get_canonical_export_name ( struct nbd_handle *h ) { bool p; char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_canonical_export_name"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_canonical_export_name_in_permitted_state (h); if (unlikely (!p)) { ret = NULL; goto out; } ret = nbd_unlocked_get_canonical_export_name (h); out: if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_export_description_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } char * nbd_get_export_description ( struct nbd_handle *h ) { bool p; char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_export_description"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_export_description_in_permitted_state (h); if (unlikely (!p)) { ret = NULL; goto out; } ret = nbd_unlocked_get_export_description (h); out: if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_tls_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_tls ( struct nbd_handle *h, int tls ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_tls"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: tls=%d", tls); } p = set_tls_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } switch (tls) { case LIBNBD_TLS_DISABLE: case LIBNBD_TLS_ALLOW: case LIBNBD_TLS_REQUIRE: break; default: set_error (EINVAL, "%s: invalid value for parameter: %d", "tls", tls); ret = -1; goto out; } ret = nbd_unlocked_set_tls (h, tls); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_tls ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_tls", "enter:"); } ret = nbd_unlocked_get_tls (h); if_debug (h) { debug_direct (h, "nbd_get_tls", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_tls_negotiated_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_get_tls_negotiated ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_tls_negotiated"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_tls_negotiated_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_get_tls_negotiated (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_tls_certificates_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_tls_certificates ( struct nbd_handle *h, const char *dir ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_tls_certificates"); pthread_mutex_lock (&h->lock); if_debug (h) { char *dir_printable = nbd_internal_printable_string (dir); debug (h, "enter: dir=%s", dir_printable ? dir_printable : ""); free (dir_printable); } p = set_tls_certificates_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (dir == NULL) { set_error (EFAULT, "%s cannot be NULL", "dir"); ret = -1; goto out; } ret = nbd_unlocked_set_tls_certificates (h, dir); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_tls_verify_peer_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_tls_verify_peer ( struct nbd_handle *h, bool verify ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_tls_verify_peer"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: verify=%s", verify ? "true" : "false"); } p = set_tls_verify_peer_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_tls_verify_peer (h, verify); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_tls_verify_peer ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_tls_verify_peer", "enter:"); } ret = nbd_unlocked_get_tls_verify_peer (h); if_debug (h) { debug_direct (h, "nbd_get_tls_verify_peer", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_tls_username_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_tls_username ( struct nbd_handle *h, const char *username ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_tls_username"); pthread_mutex_lock (&h->lock); if_debug (h) { char *username_printable = nbd_internal_printable_string (username); debug (h, "enter: username=%s", username_printable ? username_printable : ""); free (username_printable); } p = set_tls_username_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (username == NULL) { set_error (EFAULT, "%s cannot be NULL", "username"); ret = -1; goto out; } ret = nbd_unlocked_set_tls_username (h, username); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } char * nbd_get_tls_username ( struct nbd_handle *h ) { char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_tls_username"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_tls_username (h); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_tls_hostname_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_tls_hostname ( struct nbd_handle *h, const char *hostname ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_tls_hostname"); pthread_mutex_lock (&h->lock); if_debug (h) { char *hostname_printable = nbd_internal_printable_string (hostname); debug (h, "enter: hostname=%s", hostname_printable ? hostname_printable : ""); free (hostname_printable); } p = set_tls_hostname_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (hostname == NULL) { set_error (EFAULT, "%s cannot be NULL", "hostname"); ret = -1; goto out; } ret = nbd_unlocked_set_tls_hostname (h, hostname); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } char * nbd_get_tls_hostname ( struct nbd_handle *h ) { char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_tls_hostname"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_tls_hostname (h); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_tls_psk_file_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_tls_psk_file ( struct nbd_handle *h, const char *filename ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_tls_psk_file"); pthread_mutex_lock (&h->lock); if_debug (h) { char *filename_printable = nbd_internal_printable_string (filename); debug (h, "enter: filename=%s", filename_printable ? filename_printable : ""); free (filename_printable); } p = set_tls_psk_file_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (filename == NULL) { set_error (EFAULT, "%s cannot be NULL", "filename"); ret = -1; goto out; } ret = nbd_unlocked_set_tls_psk_file (h, filename); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_request_extended_headers_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_request_extended_headers ( struct nbd_handle *h, bool request ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_request_extended_headers"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: request=%s", request ? "true" : "false"); } p = set_request_extended_headers_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_request_extended_headers (h, request); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_request_extended_headers ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_request_extended_headers", "enter:"); } ret = nbd_unlocked_get_request_extended_headers (h); if_debug (h) { debug_direct (h, "nbd_get_request_extended_headers", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_extended_headers_negotiated_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_get_extended_headers_negotiated ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_extended_headers_negotiated"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_extended_headers_negotiated_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_get_extended_headers_negotiated (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_request_structured_replies_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_request_structured_replies ( struct nbd_handle *h, bool request ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_request_structured_replies"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: request=%s", request ? "true" : "false"); } p = set_request_structured_replies_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_request_structured_replies (h, request); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_request_structured_replies ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_request_structured_replies", "enter:"); } ret = nbd_unlocked_get_request_structured_replies (h); if_debug (h) { debug_direct (h, "nbd_get_request_structured_replies", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_structured_replies_negotiated_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_get_structured_replies_negotiated ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_structured_replies_negotiated"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_structured_replies_negotiated_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_get_structured_replies_negotiated (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_request_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state) || nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created, or negotiating"); return false; } return true; } int nbd_set_request_meta_context ( struct nbd_handle *h, bool request ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_request_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: request=%s", request ? "true" : "false"); } p = set_request_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_request_meta_context (h, request); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_request_meta_context ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_request_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_request_meta_context (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_handshake_flags_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_handshake_flags ( struct nbd_handle *h, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_handshake_flags"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: flags=0x%x", flags); } p = set_handshake_flags_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~LIBNBD_HANDSHAKE_FLAG_MASK) != 0)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_set_handshake_flags (h, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uint32_t nbd_get_handshake_flags ( struct nbd_handle *h ) { uint32_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_handshake_flags", "enter:"); } ret = nbd_unlocked_get_handshake_flags (h); if_debug (h) { debug_direct (h, "nbd_get_handshake_flags", "leave: ret=%u", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_set_pread_initialize ( struct nbd_handle *h, bool request ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_pread_initialize"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: request=%s", request ? "true" : "false"); } ret = nbd_unlocked_set_pread_initialize (h, request); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_pread_initialize ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_pread_initialize", "enter:"); } ret = nbd_unlocked_get_pread_initialize (h); if_debug (h) { debug_direct (h, "nbd_get_pread_initialize", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_set_strict_mode ( struct nbd_handle *h, uint32_t flags ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_strict_mode"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: flags=0x%x", flags); } if (unlikely ((flags & ~LIBNBD_STRICT_MASK) != 0)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_set_strict_mode (h, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } uint32_t nbd_get_strict_mode ( struct nbd_handle *h ) { uint32_t ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_strict_mode", "enter:"); } ret = nbd_unlocked_get_strict_mode (h); if_debug (h) { debug_direct (h, "nbd_get_strict_mode", "leave: ret=%u", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_opt_mode_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_opt_mode ( struct nbd_handle *h, bool enable ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_opt_mode"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: enable=%s", enable ? "true" : "false"); } p = set_opt_mode_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_opt_mode (h, enable); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_get_opt_mode ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ pthread_mutex_lock (&h->lock); if_debug (h) { debug_direct (h, "nbd_get_opt_mode", "enter:"); } ret = nbd_unlocked_get_opt_mode (h); if_debug (h) { debug_direct (h, "nbd_get_opt_mode", "leave: ret=%d", ret); } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_go_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_go ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_go"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = opt_go_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_opt_go (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_abort_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_abort ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_abort"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = opt_abort_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_opt_abort (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_starttls_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_starttls ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_starttls"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = opt_starttls_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_opt_starttls (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_extended_headers_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_extended_headers ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_extended_headers"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = opt_extended_headers_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_opt_extended_headers (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_structured_reply_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_structured_reply ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_structured_reply"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = opt_structured_reply_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_opt_structured_reply (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_list_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_list ( struct nbd_handle *h, nbd_list_callback list_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_list"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: list=%s", ""); } p = opt_list_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (list_callback)) { set_error (EFAULT, "%s cannot be NULL", "list"); ret = -1; goto out; } ret = nbd_unlocked_opt_list (h, &list_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (list_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_info_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_info ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_info"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = opt_info_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_opt_info (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_list_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_list_meta_context ( struct nbd_handle *h, nbd_context_callback context_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_list_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: context=%s", ""); } p = opt_list_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_opt_list_meta_context (h, &context_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_list_meta_context_queries_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_list_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback context_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_list_meta_context_queries"); pthread_mutex_lock (&h->lock); if_debug (h) { char *queries_printable = nbd_internal_printable_string_list (queries); debug (h, "enter: queries=%s context=%s", queries_printable ? queries_printable : "", ""); free (queries_printable); } p = opt_list_meta_context_queries_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (queries == NULL) { set_error (EFAULT, "%s cannot be NULL", "queries"); ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_opt_list_meta_context_queries (h, queries, &context_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_set_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_set_meta_context ( struct nbd_handle *h, nbd_context_callback context_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_set_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: context=%s", ""); } p = opt_set_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_opt_set_meta_context (h, &context_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool opt_set_meta_context_queries_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_opt_set_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback context_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_opt_set_meta_context_queries"); pthread_mutex_lock (&h->lock); if_debug (h) { char *queries_printable = nbd_internal_printable_string_list (queries); debug (h, "enter: queries=%s context=%s", queries_printable ? queries_printable : "", ""); free (queries_printable); } p = opt_set_meta_context_queries_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (queries == NULL) { set_error (EFAULT, "%s cannot be NULL", "queries"); ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_opt_set_meta_context_queries (h, queries, &context_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool add_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state) || nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created, or negotiating"); return false; } return true; } int nbd_add_meta_context ( struct nbd_handle *h, const char *name ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_add_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { char *name_printable = nbd_internal_printable_string (name); debug (h, "enter: name=%s", name_printable ? name_printable : ""); free (name_printable); } p = add_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (name == NULL) { set_error (EFAULT, "%s cannot be NULL", "name"); ret = -1; goto out; } ret = nbd_unlocked_add_meta_context (h, name); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } ssize_t nbd_get_nr_meta_contexts ( struct nbd_handle *h ) { ssize_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_nr_meta_contexts"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_nr_meta_contexts (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%zd", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } char * nbd_get_meta_context ( struct nbd_handle *h, size_t i ) { char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: i=%zu", i); } ret = nbd_unlocked_get_meta_context (h, i); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool clear_meta_contexts_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state) || nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created, or negotiating"); return false; } return true; } int nbd_clear_meta_contexts ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_clear_meta_contexts"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = clear_meta_contexts_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_clear_meta_contexts (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_uri_allow_transports_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_uri_allow_transports ( struct nbd_handle *h, uint32_t mask ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_uri_allow_transports"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: mask=0x%x", mask); } p = set_uri_allow_transports_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((mask & ~LIBNBD_ALLOW_TRANSPORT_MASK) != 0)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "mask", mask); ret = -1; goto out; } ret = nbd_unlocked_set_uri_allow_transports (h, mask); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_uri_allow_tls_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_uri_allow_tls ( struct nbd_handle *h, int tls ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_uri_allow_tls"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: tls=%d", tls); } p = set_uri_allow_tls_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } switch (tls) { case LIBNBD_TLS_DISABLE: case LIBNBD_TLS_ALLOW: case LIBNBD_TLS_REQUIRE: break; default: set_error (EINVAL, "%s: invalid value for parameter: %d", "tls", tls); ret = -1; goto out; } ret = nbd_unlocked_set_uri_allow_tls (h, tls); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_uri_allow_local_file_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_uri_allow_local_file ( struct nbd_handle *h, bool allow ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_uri_allow_local_file"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: allow=%s", allow ? "true" : "false"); } p = set_uri_allow_local_file_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_set_uri_allow_local_file (h, allow); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_uri_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_uri ( struct nbd_handle *h, const char *uri ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_uri"); pthread_mutex_lock (&h->lock); if_debug (h) { char *uri_printable = nbd_internal_printable_string (uri); debug (h, "enter: uri=%s", uri_printable ? uri_printable : ""); free (uri_printable); } p = connect_uri_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (uri == NULL) { set_error (EFAULT, "%s cannot be NULL", "uri"); ret = -1; goto out; } ret = nbd_unlocked_connect_uri (h, uri); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_unix_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_unix ( struct nbd_handle *h, const char *unixsocket ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_unix"); pthread_mutex_lock (&h->lock); if_debug (h) { char *unixsocket_printable = nbd_internal_printable_string (unixsocket); debug (h, "enter: unixsocket=%s", unixsocket_printable ? unixsocket_printable : ""); free (unixsocket_printable); } p = connect_unix_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unixsocket == NULL) { set_error (EFAULT, "%s cannot be NULL", "unixsocket"); ret = -1; goto out; } ret = nbd_unlocked_connect_unix (h, unixsocket); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_vsock_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_vsock ( struct nbd_handle *h, uint32_t cid, uint32_t port ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_vsock"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: cid=%"PRIu32" port=%"PRIu32"", cid, port); } p = connect_vsock_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_connect_vsock (h, cid, port); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_tcp_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_tcp ( struct nbd_handle *h, const char *hostname, const char *port ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_tcp"); pthread_mutex_lock (&h->lock); if_debug (h) { char *hostname_printable = nbd_internal_printable_string (hostname); char *port_printable = nbd_internal_printable_string (port); debug (h, "enter: hostname=%s port=%s", hostname_printable ? hostname_printable : "", port_printable ? port_printable : ""); free (hostname_printable); free (port_printable); } p = connect_tcp_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (hostname == NULL) { set_error (EFAULT, "%s cannot be NULL", "hostname"); ret = -1; goto out; } if (port == NULL) { set_error (EFAULT, "%s cannot be NULL", "port"); ret = -1; goto out; } ret = nbd_unlocked_connect_tcp (h, hostname, port); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_socket_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_socket ( struct nbd_handle *h, int sock ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_socket"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: sock=%d", sock); } p = connect_socket_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_connect_socket (h, sock); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_command_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_command ( struct nbd_handle *h, char **argv ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_command"); pthread_mutex_lock (&h->lock); if_debug (h) { char *argv_printable = nbd_internal_printable_string_list (argv); debug (h, "enter: argv=%s", argv_printable ? argv_printable : ""); free (argv_printable); } p = connect_command_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (argv == NULL) { set_error (EFAULT, "%s cannot be NULL", "argv"); ret = -1; goto out; } ret = nbd_unlocked_connect_command (h, argv); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool connect_systemd_socket_activation_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_connect_systemd_socket_activation ( struct nbd_handle *h, char **argv ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connect_systemd_socket_activation"); pthread_mutex_lock (&h->lock); if_debug (h) { char *argv_printable = nbd_internal_printable_string_list (argv); debug (h, "enter: argv=%s", argv_printable ? argv_printable : ""); free (argv_printable); } p = connect_systemd_socket_activation_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (argv == NULL) { set_error (EFAULT, "%s cannot be NULL", "argv"); ret = -1; goto out; } ret = nbd_unlocked_connect_systemd_socket_activation (h, argv); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool set_socket_activation_name_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_set_socket_activation_name ( struct nbd_handle *h, const char *socket_name ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_set_socket_activation_name"); pthread_mutex_lock (&h->lock); if_debug (h) { char *socket_name_printable = nbd_internal_printable_string (socket_name); debug (h, "enter: socket_name=%s", socket_name_printable ? socket_name_printable : ""); free (socket_name_printable); } p = set_socket_activation_name_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (socket_name == NULL) { set_error (EFAULT, "%s cannot be NULL", "socket_name"); ret = -1; goto out; } ret = nbd_unlocked_set_socket_activation_name (h, socket_name); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } char * nbd_get_socket_activation_name ( struct nbd_handle *h ) { char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_socket_activation_name"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_socket_activation_name (h); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool is_read_only_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_is_read_only ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_is_read_only"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = is_read_only_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_is_read_only (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_flush_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_flush ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_flush"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_flush_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_flush (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_fua_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_fua ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_fua"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_fua_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_fua (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool is_rotational_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_is_rotational ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_is_rotational"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = is_rotational_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_is_rotational (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_trim_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_trim ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_trim"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_trim_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_trim (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_zero_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_zero ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_zero"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_zero_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_zero (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_fast_zero_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_fast_zero ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_fast_zero"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_fast_zero_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_fast_zero (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_block_status_payload_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_block_status_payload ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_block_status_payload"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_block_status_payload_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_block_status_payload (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_df_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_df ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_df"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_df_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_df (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_multi_conn_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_multi_conn ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_multi_conn"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_multi_conn_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_multi_conn (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_cache_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_cache ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_cache"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = can_cache_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_can_cache (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool can_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int nbd_can_meta_context ( struct nbd_handle *h, const char *metacontext ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_can_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { char *metacontext_printable = nbd_internal_printable_string (metacontext); debug (h, "enter: metacontext=%s", metacontext_printable ? metacontext_printable : ""); free (metacontext_printable); } p = can_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (metacontext == NULL) { set_error (EFAULT, "%s cannot be NULL", "metacontext"); ret = -1; goto out; } ret = nbd_unlocked_can_meta_context (h, metacontext); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_protocol_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } const char * nbd_get_protocol ( struct nbd_handle *h ) { bool p; const char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_protocol"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_protocol_in_permitted_state (h); if (unlikely (!p)) { ret = NULL; goto out; } ret = nbd_unlocked_get_protocol (h); out: if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%s", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_size_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int64_t nbd_get_size ( struct nbd_handle *h ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_size"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_size_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_get_size (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool get_block_size_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server, or shut down"); return false; } return true; } int64_t nbd_get_block_size ( struct nbd_handle *h, int size_type ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_block_size"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: size_type=%d", size_type); } p = get_block_size_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } switch (size_type) { case LIBNBD_SIZE_MINIMUM: case LIBNBD_SIZE_PREFERRED: case LIBNBD_SIZE_MAXIMUM: case LIBNBD_SIZE_PAYLOAD: break; default: set_error (EINVAL, "%s: invalid value for parameter: %d", "size_type", size_type); ret = -1; goto out; } ret = nbd_unlocked_get_block_size (h, size_type); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool pread_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_pread ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_pread"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: buf= count=%zu offset=%"PRIu64" flags=0x%x", count, offset, flags); } if (h->pread_initialize) memset (buf, 0, count); p = pread_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (buf == NULL) { set_error (EFAULT, "%s cannot be NULL", "buf"); ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_pread (h, buf, count, offset, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool pread_structured_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_pread_structured ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_chunk_callback chunk_callback, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_pread_structured"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: buf= count=%zu offset=%"PRIu64" chunk=%s flags=0x%x", count, offset, "", flags); } if (h->pread_initialize) memset (buf, 0, count); p = pread_structured_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (buf == NULL) { set_error (EFAULT, "%s cannot be NULL", "buf"); ret = -1; goto out; } if (CALLBACK_IS_NULL (chunk_callback)) { set_error (EFAULT, "%s cannot be NULL", "chunk"); ret = -1; goto out; } if (unlikely ((flags & ~0x4) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_pread_structured (h, buf, count, offset, &chunk_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (chunk_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool pwrite_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_pwrite ( struct nbd_handle *h, const void *buf, size_t count, uint64_t offset, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_pwrite"); pthread_mutex_lock (&h->lock); if_debug (h) { char *buf_printable = nbd_internal_printable_buffer (buf, count); debug (h, "enter: buf=\"%s\" count=%zu offset=%"PRIu64" flags=0x%x", buf_printable ? buf_printable : "", count, offset, flags); free (buf_printable); } p = pwrite_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (buf == NULL) { set_error (EFAULT, "%s cannot be NULL", "buf"); ret = -1; goto out; } if (unlikely ((flags & ~0x21) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_pwrite (h, buf, count, offset, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool shutdown_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating, or connected with the server"); return false; } return true; } int nbd_shutdown ( struct nbd_handle *h, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_shutdown"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: flags=0x%x", flags); } p = shutdown_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~LIBNBD_SHUTDOWN_MASK) != 0)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_shutdown (h, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool flush_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_flush ( struct nbd_handle *h, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_flush"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: flags=0x%x", flags); } p = flush_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_flush (h, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool trim_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_trim ( struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_trim"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" flags=0x%x", count, offset, flags); } p = trim_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0x1) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_trim (h, count, offset, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool cache_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_cache ( struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_cache"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" flags=0x%x", count, offset, flags); } p = cache_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_cache (h, count, offset, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool zero_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_zero ( struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_zero"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" flags=0x%x", count, offset, flags); } p = zero_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0x13) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_zero (h, count, offset, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool block_status_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_block_status ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent_callback extent_callback, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_block_status"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" extent=%s flags=0x%x", count, offset, "", flags); } p = block_status_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (extent_callback)) { set_error (EFAULT, "%s cannot be NULL", "extent"); ret = -1; goto out; } if (unlikely ((flags & ~0x8) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_block_status (h, count, offset, &extent_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (extent_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool block_status_64_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_block_status_64 ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent64_callback extent64_callback, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_block_status_64"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" extent64=%s flags=0x%x", count, offset, "", flags); } p = block_status_64_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (extent64_callback)) { set_error (EFAULT, "%s cannot be NULL", "extent64"); ret = -1; goto out; } if (unlikely ((flags & ~0x8) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_block_status_64 (h, count, offset, &extent64_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (extent64_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool block_status_filter_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_block_status_filter ( struct nbd_handle *h, uint64_t count, uint64_t offset, char **contexts, nbd_extent64_callback extent64_callback, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_block_status_filter"); pthread_mutex_lock (&h->lock); if_debug (h) { char *contexts_printable = nbd_internal_printable_string_list (contexts); debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" contexts=%s " "extent64=%s flags=0x%x", count, offset, contexts_printable ? contexts_printable : "", "", flags); free (contexts_printable); } p = block_status_filter_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (contexts == NULL) { set_error (EFAULT, "%s cannot be NULL", "contexts"); ret = -1; goto out; } if (CALLBACK_IS_NULL (extent64_callback)) { set_error (EFAULT, "%s cannot be NULL", "extent64"); ret = -1; goto out; } if (unlikely ((flags & ~0x28) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_block_status_filter (h, count, offset, contexts, &extent64_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (extent64_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_poll ( struct nbd_handle *h, int timeout ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_poll"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: timeout=%d", timeout); } ret = nbd_unlocked_poll (h, timeout); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_poll2 ( struct nbd_handle *h, int fd, int timeout ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_poll2"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: fd=%d timeout=%d", fd, timeout); } ret = nbd_unlocked_poll2 (h, fd, timeout); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect ( struct nbd_handle *h, const struct sockaddr *addr, socklen_t addrlen ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: addr= addrlen=%d", (int) addrlen); } p = aio_connect_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (addr == NULL) { set_error (EFAULT, "%s cannot be NULL", "addr"); ret = -1; goto out; } ret = nbd_unlocked_aio_connect (h, addr, addrlen); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_uri_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_uri ( struct nbd_handle *h, const char *uri ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_uri"); pthread_mutex_lock (&h->lock); if_debug (h) { char *uri_printable = nbd_internal_printable_string (uri); debug (h, "enter: uri=%s", uri_printable ? uri_printable : ""); free (uri_printable); } p = aio_connect_uri_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (uri == NULL) { set_error (EFAULT, "%s cannot be NULL", "uri"); ret = -1; goto out; } ret = nbd_unlocked_aio_connect_uri (h, uri); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_unix_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_unix ( struct nbd_handle *h, const char *unixsocket ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_unix"); pthread_mutex_lock (&h->lock); if_debug (h) { char *unixsocket_printable = nbd_internal_printable_string (unixsocket); debug (h, "enter: unixsocket=%s", unixsocket_printable ? unixsocket_printable : ""); free (unixsocket_printable); } p = aio_connect_unix_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unixsocket == NULL) { set_error (EFAULT, "%s cannot be NULL", "unixsocket"); ret = -1; goto out; } ret = nbd_unlocked_aio_connect_unix (h, unixsocket); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_vsock_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_vsock ( struct nbd_handle *h, uint32_t cid, uint32_t port ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_vsock"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: cid=%"PRIu32" port=%"PRIu32"", cid, port); } p = aio_connect_vsock_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_connect_vsock (h, cid, port); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_tcp_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_tcp ( struct nbd_handle *h, const char *hostname, const char *port ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_tcp"); pthread_mutex_lock (&h->lock); if_debug (h) { char *hostname_printable = nbd_internal_printable_string (hostname); char *port_printable = nbd_internal_printable_string (port); debug (h, "enter: hostname=%s port=%s", hostname_printable ? hostname_printable : "", port_printable ? port_printable : ""); free (hostname_printable); free (port_printable); } p = aio_connect_tcp_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (hostname == NULL) { set_error (EFAULT, "%s cannot be NULL", "hostname"); ret = -1; goto out; } if (port == NULL) { set_error (EFAULT, "%s cannot be NULL", "port"); ret = -1; goto out; } ret = nbd_unlocked_aio_connect_tcp (h, hostname, port); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_socket_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_socket ( struct nbd_handle *h, int sock ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_socket"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: sock=%d", sock); } p = aio_connect_socket_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_connect_socket (h, sock); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_command_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_command ( struct nbd_handle *h, char **argv ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_command"); pthread_mutex_lock (&h->lock); if_debug (h) { char *argv_printable = nbd_internal_printable_string_list (argv); debug (h, "enter: argv=%s", argv_printable ? argv_printable : ""); free (argv_printable); } p = aio_connect_command_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (argv == NULL) { set_error (EFAULT, "%s cannot be NULL", "argv"); ret = -1; goto out; } ret = nbd_unlocked_aio_connect_command (h, argv); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_connect_systemd_socket_activation_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_created (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "newly created"); return false; } return true; } int nbd_aio_connect_systemd_socket_activation ( struct nbd_handle *h, char **argv ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_connect_systemd_socket_activation"); pthread_mutex_lock (&h->lock); if_debug (h) { char *argv_printable = nbd_internal_printable_string_list (argv); debug (h, "enter: argv=%s", argv_printable ? argv_printable : ""); free (argv_printable); } p = aio_connect_systemd_socket_activation_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (argv == NULL) { set_error (EFAULT, "%s cannot be NULL", "argv"); ret = -1; goto out; } ret = nbd_unlocked_aio_connect_systemd_socket_activation (h, argv); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_go_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_go ( struct nbd_handle *h, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_go"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: completion=%s", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_go_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_opt_go (h, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_abort_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_abort ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_abort"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = aio_opt_abort_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_opt_abort (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_starttls_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_starttls ( struct nbd_handle *h, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_starttls"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: completion=%s", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_starttls_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_opt_starttls (h, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_extended_headers_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_extended_headers ( struct nbd_handle *h, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_extended_headers"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: completion=%s", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_extended_headers_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_opt_extended_headers (h, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_structured_reply_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_structured_reply ( struct nbd_handle *h, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_structured_reply"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: completion=%s", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_structured_reply_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_opt_structured_reply (h, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_list_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_list ( struct nbd_handle *h, nbd_list_callback list_callback, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_list"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: list=%s completion=%s", "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_list_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (list_callback)) { set_error (EFAULT, "%s cannot be NULL", "list"); ret = -1; goto out; } ret = nbd_unlocked_aio_opt_list (h, &list_callback, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (list_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_info_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_info ( struct nbd_handle *h, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_info"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: completion=%s", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_info_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_opt_info (h, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_list_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_list_meta_context ( struct nbd_handle *h, nbd_context_callback context_callback, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_list_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: context=%s completion=%s", "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_list_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_aio_opt_list_meta_context (h, &context_callback, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_list_meta_context_queries_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_list_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback context_callback, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_list_meta_context_queries"); pthread_mutex_lock (&h->lock); if_debug (h) { char *queries_printable = nbd_internal_printable_string_list (queries); debug (h, "enter: queries=%s context=%s completion=%s", queries_printable ? queries_printable : "", "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); free (queries_printable); } p = aio_opt_list_meta_context_queries_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (queries == NULL) { set_error (EFAULT, "%s cannot be NULL", "queries"); ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_aio_opt_list_meta_context_queries (h, queries, &context_callback, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_set_meta_context_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_set_meta_context ( struct nbd_handle *h, nbd_context_callback context_callback, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_set_meta_context"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: context=%s completion=%s", "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); } p = aio_opt_set_meta_context_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_aio_opt_set_meta_context (h, &context_callback, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_opt_set_meta_context_queries_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_negotiating (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "negotiating"); return false; } return true; } int nbd_aio_opt_set_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback context_callback, nbd_completion_callback completion_callback ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_opt_set_meta_context_queries"); pthread_mutex_lock (&h->lock); if_debug (h) { char *queries_printable = nbd_internal_printable_string_list (queries); debug (h, "enter: queries=%s context=%s completion=%s", queries_printable ? queries_printable : "", "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL"); free (queries_printable); } p = aio_opt_set_meta_context_queries_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (queries == NULL) { set_error (EFAULT, "%s cannot be NULL", "queries"); ret = -1; goto out; } if (CALLBACK_IS_NULL (context_callback)) { set_error (EFAULT, "%s cannot be NULL", "context"); ret = -1; goto out; } ret = nbd_unlocked_aio_opt_set_meta_context_queries (h, queries, &context_callback, &completion_callback); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } FREE_CALLBACK (context_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_pread_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_pread ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_pread"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: buf= count=%zu offset=%"PRIu64" completion=%s " "flags=0x%x", count, offset, CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } if (h->pread_initialize) memset (buf, 0, count); p = aio_pread_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (buf == NULL) { set_error (EFAULT, "%s cannot be NULL", "buf"); ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_pread (h, buf, count, offset, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_pread_structured_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_pread_structured ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_chunk_callback chunk_callback, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_pread_structured"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: buf= count=%zu offset=%"PRIu64" chunk=%s " "completion=%s flags=0x%x", count, offset, "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } if (h->pread_initialize) memset (buf, 0, count); p = aio_pread_structured_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (buf == NULL) { set_error (EFAULT, "%s cannot be NULL", "buf"); ret = -1; goto out; } if (CALLBACK_IS_NULL (chunk_callback)) { set_error (EFAULT, "%s cannot be NULL", "chunk"); ret = -1; goto out; } if (unlikely ((flags & ~0x4) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_pread_structured (h, buf, count, offset, &chunk_callback, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (chunk_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_pwrite_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_pwrite ( struct nbd_handle *h, const void *buf, size_t count, uint64_t offset, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_pwrite"); pthread_mutex_lock (&h->lock); if_debug (h) { char *buf_printable = nbd_internal_printable_buffer (buf, count); debug (h, "enter: buf=\"%s\" count=%zu offset=%"PRIu64" completion=%s " "flags=0x%x", buf_printable ? buf_printable : "", count, offset, CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); free (buf_printable); } p = aio_pwrite_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (buf == NULL) { set_error (EFAULT, "%s cannot be NULL", "buf"); ret = -1; goto out; } if (unlikely ((flags & ~0x21) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_pwrite (h, buf, count, offset, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_disconnect_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int nbd_aio_disconnect ( struct nbd_handle *h, uint32_t flags ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_disconnect"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: flags=0x%x", flags); } p = aio_disconnect_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_disconnect (h, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_flush_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_flush ( struct nbd_handle *h, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_flush"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: completion=%s flags=0x%x", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } p = aio_flush_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_flush (h, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_trim_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_trim ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_trim"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" completion=%s " "flags=0x%x", count, offset, CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } p = aio_trim_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0x1) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_trim (h, count, offset, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_cache_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_cache ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_cache"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" completion=%s " "flags=0x%x", count, offset, CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } p = aio_cache_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_cache (h, count, offset, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_zero_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_zero ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_zero"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" completion=%s " "flags=0x%x", count, offset, CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } p = aio_zero_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (unlikely ((flags & ~0x13) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_zero (h, count, offset, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_block_status_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_block_status ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent_callback extent_callback, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_block_status"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" extent=%s " "completion=%s flags=0x%x", count, offset, "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } p = aio_block_status_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (extent_callback)) { set_error (EFAULT, "%s cannot be NULL", "extent"); ret = -1; goto out; } if (unlikely ((flags & ~0x8) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_block_status (h, count, offset, &extent_callback, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (extent_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_block_status_64_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_block_status_64 ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent64_callback extent64_callback, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_block_status_64"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" extent64=%s " "completion=%s flags=0x%x", count, offset, "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); } p = aio_block_status_64_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (CALLBACK_IS_NULL (extent64_callback)) { set_error (EFAULT, "%s cannot be NULL", "extent64"); ret = -1; goto out; } if (unlikely ((flags & ~0x8) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_block_status_64 (h, count, offset, &extent64_callback, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (extent64_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_block_status_filter_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server"); return false; } return true; } int64_t nbd_aio_block_status_filter ( struct nbd_handle *h, uint64_t count, uint64_t offset, char **contexts, nbd_extent64_callback extent64_callback, nbd_completion_callback completion_callback, uint32_t flags ) { bool p; int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_block_status_filter"); pthread_mutex_lock (&h->lock); if_debug (h) { char *contexts_printable = nbd_internal_printable_string_list (contexts); debug (h, "enter: count=%"PRIu64" offset=%"PRIu64" contexts=%s " "extent64=%s completion=%s flags=0x%x", count, offset, contexts_printable ? contexts_printable : "", "", CALLBACK_IS_NULL (completion_callback) ? "" : "NULL", flags); free (contexts_printable); } p = aio_block_status_filter_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } if (contexts == NULL) { set_error (EFAULT, "%s cannot be NULL", "contexts"); ret = -1; goto out; } if (CALLBACK_IS_NULL (extent64_callback)) { set_error (EFAULT, "%s cannot be NULL", "extent64"); ret = -1; goto out; } if (unlikely ((flags & ~0x28) != 0) && ((h->strict & LIBNBD_STRICT_FLAGS) || flags > UINT16_MAX)) { set_error (EINVAL, "%s: invalid value for flag: 0x%x", "flags", flags); ret = -1; goto out; } ret = nbd_unlocked_aio_block_status_filter (h, count, offset, contexts, &extent64_callback, &completion_callback, flags); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } FREE_CALLBACK (extent64_callback); FREE_CALLBACK (completion_callback); if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_aio_get_fd ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_get_fd"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_aio_get_fd (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } unsigned nbd_aio_get_direction ( struct nbd_handle *h ) { unsigned ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_get_direction", "enter:"); } ret = nbd_unlocked_aio_get_direction (h); if_debug (h) { debug_direct (h, "nbd_aio_get_direction", "leave: ret=%u", ret); } return ret; } int nbd_aio_notify_read ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_notify_read"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_aio_notify_read (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_aio_notify_write ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_notify_write"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_aio_notify_write (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_aio_is_created ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_created", "enter:"); } ret = nbd_unlocked_aio_is_created (h); if_debug (h) { debug_direct (h, "nbd_aio_is_created", "leave: ret=%d", ret); } return ret; } int nbd_aio_is_connecting ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_connecting", "enter:"); } ret = nbd_unlocked_aio_is_connecting (h); if_debug (h) { debug_direct (h, "nbd_aio_is_connecting", "leave: ret=%d", ret); } return ret; } int nbd_aio_is_negotiating ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_negotiating", "enter:"); } ret = nbd_unlocked_aio_is_negotiating (h); if_debug (h) { debug_direct (h, "nbd_aio_is_negotiating", "leave: ret=%d", ret); } return ret; } int nbd_aio_is_ready ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_ready", "enter:"); } ret = nbd_unlocked_aio_is_ready (h); if_debug (h) { debug_direct (h, "nbd_aio_is_ready", "leave: ret=%d", ret); } return ret; } int nbd_aio_is_processing ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_processing", "enter:"); } ret = nbd_unlocked_aio_is_processing (h); if_debug (h) { debug_direct (h, "nbd_aio_is_processing", "leave: ret=%d", ret); } return ret; } int nbd_aio_is_dead ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_dead", "enter:"); } ret = nbd_unlocked_aio_is_dead (h); if_debug (h) { debug_direct (h, "nbd_aio_is_dead", "leave: ret=%d", ret); } return ret; } int nbd_aio_is_closed ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_aio_is_closed", "enter:"); } ret = nbd_unlocked_aio_is_closed (h); if_debug (h) { debug_direct (h, "nbd_aio_is_closed", "leave: ret=%d", ret); } return ret; } int nbd_aio_command_completed ( struct nbd_handle *h, uint64_t cookie ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_command_completed"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: cookie=%"PRIu64"", cookie); } ret = nbd_unlocked_aio_command_completed (h, cookie); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int64_t nbd_aio_peek_command_completed ( struct nbd_handle *h ) { int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_peek_command_completed"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_aio_peek_command_completed (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } static inline bool aio_in_flight_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state) || nbd_internal_is_state_dead (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connected with the server, or shut down, or dead"); return false; } return true; } int nbd_aio_in_flight ( struct nbd_handle *h ) { bool p; int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_aio_in_flight"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = aio_in_flight_in_permitted_state (h); if (unlikely (!p)) { ret = -1; goto out; } ret = nbd_unlocked_aio_in_flight (h); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } const char * nbd_connection_state ( struct nbd_handle *h ) { const char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_connection_state"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_connection_state (h); if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%s", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } const char * nbd_get_package_name ( struct nbd_handle *h ) { const char * ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_get_package_name", "enter:"); } ret = nbd_unlocked_get_package_name (h); if_debug (h) { debug_direct (h, "nbd_get_package_name", "leave: ret=%s", ret); } return ret; } const char * nbd_get_version ( struct nbd_handle *h ) { const char * ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_get_version", "enter:"); } ret = nbd_unlocked_get_version (h); if_debug (h) { debug_direct (h, "nbd_get_version", "leave: ret=%s", ret); } return ret; } int nbd_kill_subprocess ( struct nbd_handle *h, int signum ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_kill_subprocess"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter: signum=%d", signum); } ret = nbd_unlocked_kill_subprocess (h, signum); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int64_t nbd_get_subprocess_pid ( struct nbd_handle *h ) { int64_t ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_subprocess_pid"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } ret = nbd_unlocked_get_subprocess_pid (h); if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%" PRIi64, ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_supports_tls ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_supports_tls", "enter:"); } ret = nbd_unlocked_supports_tls (h); if_debug (h) { debug_direct (h, "nbd_supports_tls", "leave: ret=%d", ret); } return ret; } int nbd_supports_vsock ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_supports_vsock", "enter:"); } ret = nbd_unlocked_supports_vsock (h); if_debug (h) { debug_direct (h, "nbd_supports_vsock", "leave: ret=%d", ret); } return ret; } int nbd_supports_uri ( struct nbd_handle *h ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); /* This function must not call set_error. */ if_debug (h) { debug_direct (h, "nbd_supports_uri", "enter:"); } ret = nbd_unlocked_supports_uri (h); if_debug (h) { debug_direct (h, "nbd_supports_uri", "leave: ret=%d", ret); } return ret; } static inline bool get_uri_in_permitted_state (struct nbd_handle *h) { const enum state state = get_public_state (h); if (!(nbd_internal_is_state_connecting (state) || nbd_internal_is_state_negotiating (state) || nbd_internal_is_state_ready (state) || nbd_internal_is_state_processing (state) || nbd_internal_is_state_closed (state) || nbd_internal_is_state_dead (state))) { set_error (nbd_internal_is_state_created (state) ? ENOTCONN : EINVAL, "invalid state: %s: the handle must be %s", nbd_internal_state_short_string (state), "connecting, or negotiating, or connected with the server, " "or shut down, or dead"); return false; } return true; } char * nbd_get_uri ( struct nbd_handle *h ) { bool p; char * ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_get_uri"); pthread_mutex_lock (&h->lock); if_debug (h) { debug (h, "enter:"); } p = get_uri_in_permitted_state (h); if (unlikely (!p)) { ret = NULL; goto out; } ret = nbd_unlocked_get_uri (h); out: if_debug (h) { if (ret == NULL) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { char *ret_printable = nbd_internal_printable_string (ret); debug (h, "leave: ret=%s", ret_printable ? ret_printable : ""); free (ret_printable); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } int nbd_is_uri ( struct nbd_handle *h, const char *uri ) { int ret; assert (h->magic == NBD_HANDLE_MAGIC); nbd_internal_set_error_context ("nbd_is_uri"); pthread_mutex_lock (&h->lock); if_debug (h) { char *uri_printable = nbd_internal_printable_string (uri); debug (h, "enter: uri=%s", uri_printable ? uri_printable : ""); free (uri_printable); } if (uri == NULL) { set_error (EFAULT, "%s cannot be NULL", "uri"); ret = -1; goto out; } ret = nbd_unlocked_is_uri (h, uri); out: if_debug (h) { if (ret == -1) debug (h, "leave: error=\"%s\"", nbd_get_error ()); else { debug (h, "leave: ret=%d", ret); } } if (h->public_state != get_next_state (h)) h->public_state = get_next_state (h); pthread_mutex_unlock (&h->lock); return ret; } libnbd-1.22.2/lib/connect.c0000644000175000017500000001515114615732571011072 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_LINUX_VM_SOCKETS_H #include #elif HAVE_SYS_VSOCK_H #include #endif #include "internal.h" static int error_unless_ready (struct nbd_handle *h) { if (nbd_internal_is_state_ready (get_next_state (h)) || nbd_internal_is_state_negotiating (get_next_state (h))) return 0; /* Why did it fail? */ if (nbd_internal_is_state_closed (get_next_state (h))) { set_error (0, "connection is closed"); return -1; } if (nbd_internal_is_state_dead (get_next_state (h))) /* Don't set the error here, keep the error set when * the connection died. */ return -1; /* Should probably never happen. */ set_error (0, "connection in an unexpected state (%s)", nbd_internal_state_short_string (get_next_state (h))); return -1; } int nbd_internal_wait_until_connected (struct nbd_handle *h) { while (nbd_internal_is_state_connecting (get_next_state (h))) { if (nbd_unlocked_poll (h, -1) == -1) return -1; } return error_unless_ready (h); } /* Connect to a Unix domain socket. */ int nbd_unlocked_connect_unix (struct nbd_handle *h, const char *unixsocket) { if (nbd_unlocked_aio_connect_unix (h, unixsocket) == -1) return -1; return nbd_internal_wait_until_connected (h); } /* Connect to a vsock. */ int nbd_unlocked_connect_vsock (struct nbd_handle *h, uint32_t cid, uint32_t port) { if (nbd_unlocked_aio_connect_vsock (h, cid, port) == -1) return -1; return nbd_internal_wait_until_connected (h); } /* Connect to a TCP port. */ int nbd_unlocked_connect_tcp (struct nbd_handle *h, const char *hostname, const char *port) { if (nbd_unlocked_aio_connect_tcp (h, hostname, port) == -1) return -1; return nbd_internal_wait_until_connected (h); } /* Connect to a connected socket. */ int nbd_unlocked_connect_socket (struct nbd_handle *h, int sock) { if (nbd_unlocked_aio_connect_socket (h, sock) == -1) return -1; return nbd_internal_wait_until_connected (h); } /* Connect to a local command. */ int nbd_unlocked_connect_command (struct nbd_handle *h, char **argv) { if (nbd_unlocked_aio_connect_command (h, argv) == -1) return -1; return nbd_internal_wait_until_connected (h); } /* Connect to a local command, use systemd socket activation. */ int nbd_unlocked_connect_systemd_socket_activation (struct nbd_handle *h, char **argv) { if (nbd_unlocked_aio_connect_systemd_socket_activation (h, argv) == -1) return -1; return nbd_internal_wait_until_connected (h); } int nbd_unlocked_aio_connect (struct nbd_handle *h, const struct sockaddr *addr, socklen_t len) { memcpy (&h->connaddr, addr, len); h->connaddrlen = len; return nbd_internal_run (h, cmd_connect_sockaddr); } int nbd_unlocked_aio_connect_unix (struct nbd_handle *h, const char *unixsocket) { struct sockaddr_un sun = { .sun_family = AF_UNIX }; socklen_t len; size_t namelen; namelen = strlen (unixsocket); if (namelen > sizeof sun.sun_path) { set_error (ENAMETOOLONG, "socket name too long: %s", unixsocket); return -1; } memcpy (sun.sun_path, unixsocket, namelen); len = sizeof sun; memcpy (&h->connaddr, &sun, len); h->connaddrlen = len; return nbd_internal_run (h, cmd_connect_sockaddr); } int nbd_unlocked_aio_connect_vsock (struct nbd_handle *h, uint32_t cid, uint32_t port) { #if HAVE_STRUCT_SOCKADDR_VM struct sockaddr_vm svm = { .svm_family = AF_VSOCK, .svm_cid = cid, .svm_port = port, }; const socklen_t len = sizeof svm; memcpy (&h->connaddr, &svm, len); h->connaddrlen = len; return nbd_internal_run (h, cmd_connect_sockaddr); #else set_error (ENOTSUP, "AF_VSOCK protocol is not supported"); return -1; #endif } int nbd_unlocked_aio_connect_tcp (struct nbd_handle *h, const char *hostname, const char *port) { if (h->hostname) free (h->hostname); h->hostname = strdup (hostname); if (!h->hostname) { set_error (errno, "strdup"); return -1; } if (h->port) free (h->port); h->port = strdup (port); if (!h->port) { set_error (errno, "strdup"); return -1; } return nbd_internal_run (h, cmd_connect_tcp); } int nbd_unlocked_aio_connect_socket (struct nbd_handle *h, int sock) { int flags; /* Set O_NONBLOCK on the file and FD_CLOEXEC on the file descriptor. * We can't trust that the calling process did either of these. */ flags = fcntl (sock, F_GETFL, 0); if (flags == -1 || fcntl (sock, F_SETFL, flags|O_NONBLOCK) == -1) { set_error (errno, "fcntl: set O_NONBLOCK"); close (sock); return -1; } flags = fcntl (sock, F_GETFD, 0); if (flags == -1 || fcntl (sock, F_SETFD, flags|FD_CLOEXEC) == -1) { set_error (errno, "fcntl: set FD_CLOEXEC"); close (sock); return -1; } h->sock = nbd_internal_socket_create (sock); if (!h->sock) { close (sock); return -1; } /* This jumps straight to %MAGIC.START (to start the handshake) * because the socket is already connected. */ return nbd_internal_run (h, cmd_connect_socket); } int nbd_unlocked_aio_connect_command (struct nbd_handle *h, char **argv) { if (nbd_internal_set_argv (h, argv) == -1) return -1; return nbd_internal_run (h, cmd_connect_command); } int nbd_unlocked_aio_connect_systemd_socket_activation (struct nbd_handle *h, char **argv) { if (nbd_internal_set_argv (h, argv) == -1) return -1; return nbd_internal_run (h, cmd_connect_sa); } libnbd-1.22.2/lib/crypto.c0000644000175000017500000005155314637263256010772 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #ifdef HAVE_GNUTLS #include /* See comment in configure.ac */ #ifdef HAVE_GNUTLS_SOCKET_H #include #endif #endif #include "internal.h" #include "nbdkit-string.h" int nbd_unlocked_set_tls (struct nbd_handle *h, int tls) { #ifdef HAVE_GNUTLS h->tls = tls; return 0; #else /* Don't allow setting this to any non-zero value, but setting it to * 0 (disable TLS) is OK. */ if (tls != 0) { set_error (ENOTSUP, "libnbd was compiled without TLS support"); return -1; } return 0; #endif } /* NB: may_set_error = false. */ int nbd_unlocked_get_tls (struct nbd_handle *h) { return h->tls; } int nbd_unlocked_get_tls_negotiated (struct nbd_handle *h) { return h->tls_negotiated; } int nbd_unlocked_set_tls_certificates (struct nbd_handle *h, const char *dir) { char *new_dir; new_dir = strdup (dir); if (!new_dir) { set_error (errno, "strdup"); return -1; } free (h->tls_certificates); h->tls_certificates = new_dir; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_set_tls_verify_peer (struct nbd_handle *h, bool verify) { h->tls_verify_peer = verify; return 0; } int nbd_unlocked_get_tls_verify_peer (struct nbd_handle *h) { return h->tls_verify_peer; } int nbd_unlocked_set_tls_username (struct nbd_handle *h, const char *username) { char *new_user; new_user = strdup (username); if (!new_user) { set_error (errno, "strdup"); return -1; } free (h->tls_username); h->tls_username = new_user; return 0; } char * nbd_unlocked_get_tls_username (struct nbd_handle *h) { char *s, *ret; string str = empty_vector; if (h->tls_username) { ret = strdup (h->tls_username); if (ret == NULL) { set_error (errno, "strdup"); return NULL; } return ret; } /* Otherwise we return the local login name. Try $LOGNAME first for * two reasons: (1) So the user can override it. (2) Because * getlogin fails with ENXIO if there is no controlling terminal * (which is often the case in test and embedded environments). */ s = getenv ("LOGNAME"); if (s) { ret = strdup (s); if (ret == NULL) { set_error (errno, "strdup"); return NULL; } return ret; } for (;;) { /* Increase capacity (str.cap starts at 0) */ if (string_reserve (&str, 16) == -1) { set_error (errno, "realloc"); free (str.ptr); return NULL; } if (getlogin_r (str.ptr, str.cap) == 0) { return str.ptr; } if (errno != ERANGE) { set_error (errno, "getlogin_r"); free (str.ptr); return NULL; } } } int nbd_unlocked_set_tls_hostname (struct nbd_handle *h, const char *hostname) { char *new_hostname; new_hostname = strdup (hostname); if (!new_hostname) { set_error (errno, "strdup"); return -1; } free (h->tls_hostname); h->tls_hostname = new_hostname; return 0; } static const char * get_tls_hostname (struct nbd_handle *h) { if (h->tls_hostname) return h->tls_hostname; else if (h->hostname) return h->hostname; else return NULL; } char * nbd_unlocked_get_tls_hostname (struct nbd_handle *h) { const char *hostname = get_tls_hostname (h); char *ret; if (hostname) ret = strdup (hostname); else /* Otherwise, return "" (not an error). */ ret = strdup (""); if (ret == NULL) { set_error (errno, "strdup"); return NULL; } return ret; } int nbd_unlocked_set_tls_psk_file (struct nbd_handle *h, const char *filename) { char *new_file; new_file = strdup (filename); if (!new_file) { set_error (errno, "strdup"); return -1; } free (h->tls_psk_file); h->tls_psk_file = new_file; return 0; } #ifdef HAVE_GNUTLS static ssize_t tls_recv (struct nbd_handle *h, struct socket *sock, void *buf, size_t len) { ssize_t r; r = gnutls_record_recv (sock->u.tls.session, buf, len); if (r < 0) { if (r == GNUTLS_E_INTERRUPTED || r == GNUTLS_E_AGAIN) { errno = EAGAIN; return -1; } if (h->tls_shut_writes && (r == GNUTLS_E_PULL_ERROR || r == GNUTLS_E_PREMATURE_TERMINATION)) { /* qemu-nbd doesn't call gnutls_bye to cleanly shut down the * connection after we send NBD_CMD_DISC, instead it simply * closes the connection. On the client side we see * "gnutls_record_recv: The TLS connection was non-properly * terminated" or "gnutls_record_recv: Error in the pull * function.". * * If we see these errors after we shut down the write side * (h->tls_shut_writes), which happens after we have sent * NBD_CMD_DISC on the wire, downgrade them to a debug message. */ debug (h, "gnutls_record_recv: %s", gnutls_strerror (r)); return 0; /* EOF */ } set_error (0, "gnutls_record_recv: %s", gnutls_strerror (r)); errno = EIO; return -1; } return r; } static ssize_t tls_send (struct nbd_handle *h, struct socket *sock, const void *buf, size_t len, int flags) { ssize_t r; r = gnutls_record_send (sock->u.tls.session, buf, len); if (r < 0) { if (r == GNUTLS_E_INTERRUPTED || r == GNUTLS_E_AGAIN) { errno = EAGAIN; return -1; } set_error (0, "gnutls_record_send: %s", gnutls_strerror (r)); errno = EIO; return -1; } return r; } static bool tls_pending (struct socket *sock) { return gnutls_record_check_pending (sock->u.tls.session) > 0; } static int tls_get_fd (struct socket *sock) { return sock->u.tls.oldsock->ops->get_fd (sock->u.tls.oldsock); } static bool tls_shut_writes (struct nbd_handle *h, struct socket *sock) { int r = gnutls_bye (sock->u.tls.session, GNUTLS_SHUT_WR); if (r == GNUTLS_E_AGAIN || r == GNUTLS_E_INTERRUPTED) return false; if (r != 0) debug (h, "ignoring gnutls_bye failure: %s", gnutls_strerror (r)); h->tls_shut_writes = true; return sock->u.tls.oldsock->ops->shut_writes (h, sock->u.tls.oldsock); } /* XXX Calling gnutls_bye(GNUTLS_SHUT_RDWR) is possible, but it may send * and receive data over the wire which would require further modifications * to the state machine. So instead we abruptly drop the TLS session. */ static int tls_close (struct socket *sock) { int r; r = sock->u.tls.oldsock->ops->close (sock->u.tls.oldsock); gnutls_deinit (sock->u.tls.session); if (sock->u.tls.pskcreds) gnutls_psk_free_client_credentials (sock->u.tls.pskcreds); if (sock->u.tls.xcreds) gnutls_certificate_free_credentials (sock->u.tls.xcreds); free (sock); return r; } static struct socket_ops crypto_ops = { .recv = tls_recv, .send = tls_send, .pending = tls_pending, .get_fd = tls_get_fd, .shut_writes = tls_shut_writes, .close = tls_close, }; /* Look up the user's key in the PSK file. */ static int lookup_key (const char *pskfile, const char *username, gnutls_datum_t *key) { FILE *fp; const size_t ulen = strlen (username); size_t len = 0; ssize_t r; char *line = NULL; fp = fopen (pskfile, "re"); if (fp == NULL) { set_error (errno, "open: %s", pskfile); goto error; } while ((r = getline (&line, &len, fp)) != -1) { if (r > 0 && line[r-1] == '\n') line[--r] = '\0'; if (r > 0 && line[r-1] == '\r') line[--r] = '\0'; if (r > ulen+1 && strncmp (line, username, ulen) == 0 && line[ulen] == ':') { key->data = (unsigned char *)strdup (&line[ulen+1]); if (key->data == NULL) { set_error (errno, "strdup"); goto error; } key->size = r - ulen - 1; break; } } if (ferror (fp)) { set_error (errno, "%s: getline failed", pskfile); goto error; } if (key->data == NULL) { set_error (EINVAL, "%s: username %s was not found in PSK file", pskfile, username); goto error; } fclose (fp); free (line); return 0; error: if (fp) fclose (fp); free (line); return -1; } static gnutls_psk_client_credentials_t set_up_psk_credentials (struct nbd_handle *h, gnutls_session_t session) { int err; const char prio[] = TLS_PRIORITY ":" "+ECDHE-PSK:+DHE-PSK:+PSK"; gnutls_datum_t key = { .data = NULL }; char *username = NULL; gnutls_psk_client_credentials_t ret = NULL; err = gnutls_priority_set_direct (session, prio, NULL); if (err < 0) { set_error (0, "gnutls_priority_set_direct: %s", gnutls_strerror (err)); goto error; } username = nbd_unlocked_get_tls_username (h); if (username == NULL) goto error; if (lookup_key (h->tls_psk_file, username, &key) == -1) goto error; err = gnutls_psk_allocate_client_credentials (&ret); if (err < 0) { set_error (0, "gnutls_psk_allocate_client_credentials: %s", gnutls_strerror (err)); goto error; } err = gnutls_psk_set_client_credentials (ret, username, &key, GNUTLS_PSK_KEY_HEX); if (err < 0) { set_error (0, "gnutls_psk_set_client_credentials: %s", gnutls_strerror (err)); goto error; } err = gnutls_credentials_set (session, GNUTLS_CRD_PSK, ret); if (err < 0) { set_error (0, "gnutls_credentials_set: %s", gnutls_strerror (err)); goto error; } free (username); free (key.data); return ret; error: free (username); free (key.data); if (ret) gnutls_psk_free_client_credentials (ret); return NULL; } static int load_certificates (const char *path, gnutls_certificate_credentials_t *ret) { int err; char *cacert = NULL; char *clientcert = NULL; char *clientkey = NULL; char *cacrl = NULL; if (asprintf (&cacert, "%s/ca-cert.pem", path) == -1) { set_error (errno, "asprintf"); goto error; } /* Only ca-cert.pem must be present. */ if (access (cacert, R_OK) == -1) { free (cacert); return 0; } if (asprintf (&clientcert, "%s/client-cert.pem", path) == -1) { set_error (errno, "asprintf"); goto error; } if (asprintf (&clientkey, "%s/client-key.pem", path) == -1) { set_error (errno, "asprintf"); goto error; } if (asprintf (&cacrl, "%s/ca-crl.pem", path) == -1) { set_error (errno, "asprintf"); goto error; } err = gnutls_certificate_allocate_credentials (ret); if (err < 0) { set_error (0, "gnutls_certificate_allocate_credentials: %s", gnutls_strerror (err)); goto error; } err = gnutls_certificate_set_x509_trust_file (*ret, cacert, GNUTLS_X509_FMT_PEM); if (err < 0) { set_error (0, "gnutls_certificate_set_x509_trust_file: %s: %s", cacert, gnutls_strerror (err)); goto error; } /* Optional for client certification authentication. */ if (access (clientcert, R_OK) == 0 && access (clientkey, R_OK) == 0) { err = gnutls_certificate_set_x509_key_file (*ret, clientcert, clientkey, GNUTLS_X509_FMT_PEM); if (err < 0) { set_error (0, "gnutls_certificate_set_x509_key_file: %s, %s: %s", clientcert, clientkey, gnutls_strerror (err)); goto error; } } if (access (cacrl, R_OK) == 0) { err = gnutls_certificate_set_x509_crl_file (*ret, cacrl, GNUTLS_X509_FMT_PEM); if (err < 0) { set_error (0, "gnutls_certificate_set_x509_crl_file: %s: %s", cacrl, gnutls_strerror (err)); goto error; } } free (cacert); free (clientcert); free (clientkey); free (cacrl); return 0; error: if (*ret) gnutls_certificate_free_credentials (*ret); *ret = NULL; free (cacert); free (clientcert); free (clientkey); free (cacrl); return -1; } static gnutls_certificate_credentials_t set_up_certificate_credentials (struct nbd_handle *h, gnutls_session_t session, bool *is_error) { int err; gnutls_certificate_credentials_t ret = NULL; const char *home = getenv ("HOME"); char *path = NULL; err = gnutls_priority_set_direct (session, TLS_PRIORITY, NULL); if (err < 0) { set_error (0, "gnutls_priority_set_direct: %s", gnutls_strerror (err)); goto error; } /* Try to load the certificates from the directory. */ if (h->tls_certificates) { if (load_certificates (h->tls_certificates, &ret) == -1) goto error; if (ret) goto found_certificates; } else { if (geteuid () != 0 && home != NULL) { if (asprintf (&path, "%s/.pki/%s", home, PACKAGE_NAME) == -1) { set_error (errno, "asprintf"); goto error; } if (load_certificates (path, &ret) == -1) goto error; if (ret) goto found_certificates; free (path); if (asprintf (&path, "%s/.config/pki/%s", home, PACKAGE_NAME) == -1) { set_error (errno, "asprintf"); goto error; } if (load_certificates (path, &ret) == -1) goto error; if (ret) goto found_certificates; } else { /* geteuid () == 0 */ if (load_certificates (sysconfdir "/pki/" PACKAGE_NAME, &ret) == -1) goto error; if (ret) goto found_certificates; } } /* Not found. */ free (path); return NULL; found_certificates: err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, ret); if (err < 0) { set_error (0, "gnutls_credentials_set: %s", gnutls_strerror (err)); goto error; } free (path); return ret; error: gnutls_certificate_free_credentials (ret); free (path); *is_error = true; return NULL; } static gnutls_certificate_credentials_t set_up_system_CA (struct nbd_handle *h, gnutls_session_t session) { int err; gnutls_certificate_credentials_t ret = NULL; err = gnutls_priority_set_direct (session, TLS_PRIORITY, NULL); if (err < 0) { set_error (0, "gnutls_priority_set_direct: %s", gnutls_strerror (err)); return NULL; } err = gnutls_certificate_allocate_credentials (&ret); if (err < 0) { set_error (0, "gnutls_certificate_allocate_credentials: %s", gnutls_strerror (err)); return NULL; } err = gnutls_certificate_set_x509_system_trust (ret); if (err < 0) { set_error (0, "gnutls_certificate_set_x509_system_trust: %s", gnutls_strerror (err)); gnutls_certificate_free_credentials (ret); return NULL; } err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, ret); if (err < 0) { set_error (0, "gnutls_credentials_set: %s", gnutls_strerror (err)); gnutls_certificate_free_credentials (ret); return NULL; } return ret; } /* Called from the state machine after receiving an ACK from * NBD_OPT_STARTTLS when we want to start upgrading the connection to * TLS. Allocate and initialize the TLS session and set up the socket * ops. */ struct socket * nbd_internal_crypto_create_session (struct nbd_handle *h, struct socket *oldsock) { int err; struct socket *sock; gnutls_session_t session; gnutls_psk_client_credentials_t pskcreds = NULL; gnutls_certificate_credentials_t xcreds = NULL; unsigned init_flags; init_flags = GNUTLS_CLIENT | GNUTLS_NONBLOCK; #ifdef GNUTLS_NO_SIGNAL init_flags |= GNUTLS_NO_SIGNAL; #endif err = gnutls_init (&session, init_flags); if (err < 0) { set_error (errno, "gnutls_init: %s", gnutls_strerror (err)); return NULL; } /* If we have the server name, pass SNI. */ if (h->hostname) { err = gnutls_server_name_set (session, GNUTLS_NAME_DNS, h->hostname, strlen (h->hostname)); if (err < 0) { set_error (errno, "gnutls_server_name_set: %s", gnutls_strerror (err)); gnutls_deinit (session); return NULL; } } if (h->tls_psk_file) { pskcreds = set_up_psk_credentials (h, session); if (pskcreds == NULL) { gnutls_deinit (session); return NULL; } } else { bool is_error = false; xcreds = set_up_certificate_credentials (h, session, &is_error); if (xcreds == NULL) { if (!is_error) { /* Fallback case: use system CA. */ xcreds = set_up_system_CA (h, session); if (xcreds == NULL) is_error = true; } } if (is_error) { gnutls_deinit (session); return NULL; } if (h->tls_verify_peer) { /* Verify the server certificate using h->tls_hostname, falling * back to h->hostname. */ const char *hostname = get_tls_hostname (h); gnutls_session_set_verify_cert (session, hostname, 0); } } /* Wrap the underlying socket with GnuTLS. */ gnutls_transport_set_int (session, oldsock->ops->get_fd (oldsock)); gnutls_handshake_set_timeout (session, GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT); sock = malloc (sizeof *sock); if (sock == NULL) { set_error (errno, "malloc"); gnutls_deinit (session); if (pskcreds) gnutls_psk_free_client_credentials (pskcreds); if (xcreds) gnutls_certificate_free_credentials (xcreds); return NULL; } sock->u.tls.session = session; sock->u.tls.pskcreds = pskcreds; sock->u.tls.xcreds = xcreds; sock->u.tls.oldsock = oldsock; sock->ops = &crypto_ops; return sock; } /* Return the read/write direction. */ bool nbd_internal_crypto_is_reading (struct nbd_handle *h) { assert (h->sock->u.tls.session); return gnutls_record_get_direction (h->sock->u.tls.session) == 0; } /* Continue with the TLS handshake. Returns 0 if the handshake * completed successfully, 1 if the handshake is continuing, and -1 if * there was a GnuTLS error. */ int nbd_internal_crypto_handshake (struct nbd_handle *h) { int err; gnutls_handshake_description_t in, out; const gnutls_session_t session = h->sock->u.tls.session; assert (session); err = gnutls_handshake (session); if (err == 0) return 0; if (!gnutls_error_is_fatal (err)) return 1; /* Get some additional debug information about where in the * handshake protocol it failed. You have to look up these codes in * . */ in = gnutls_handshake_get_last_in (session); out = gnutls_handshake_get_last_out (session); set_error (0, "gnutls_handshake: %s (%d/%d)", gnutls_strerror (err), (int)in, (int)out); return -1; } /* The state machine calls this when TLS has definitely been enabled * on the connection (after the handshake), and we use it to print * useful debugging information. */ void nbd_internal_crypto_debug_tls_enabled (struct nbd_handle *h) { if_debug (h) { const gnutls_session_t session = h->sock->u.tls.session; const gnutls_cipher_algorithm_t cipher = gnutls_cipher_get (session); const gnutls_kx_algorithm_t kx = gnutls_kx_get (session); const gnutls_mac_algorithm_t mac = gnutls_mac_get (session); #ifdef HAVE_GNUTLS_TRANSPORT_IS_KTLS_ENABLED const char *ktls_status; gnutls_transport_ktls_enable_flags_t ktls_enabled; #else const char *ktls_status = "disabled"; #endif #ifdef HAVE_GNUTLS_TRANSPORT_IS_KTLS_ENABLED ktls_enabled = gnutls_transport_is_ktls_enabled (session); switch (ktls_enabled) { case GNUTLS_KTLS_RECV: ktls_status = "enabled receive only"; break; case GNUTLS_KTLS_SEND: ktls_status = "enabled send only"; break; case GNUTLS_KTLS_DUPLEX: ktls_status = "enabled"; break; default: if ((int)ktls_enabled == 0) ktls_status = "disabled"; else ktls_status = "unknown"; } #endif debug (h, "connection is using TLS: " "cipher %s (%zu bits) key exchange %s mac %s (%zu bits) kTLS %s", gnutls_cipher_get_name (cipher), 8 * gnutls_cipher_get_key_size (cipher), gnutls_kx_get_name (kx), gnutls_mac_get_name (mac), 8 * gnutls_mac_get_key_size (mac), ktls_status ); } } #else /* !HAVE_GNUTLS */ /* These functions should never be called from the state machine if * !HAVE_GNUTLS. */ struct socket * nbd_internal_crypto_create_session (struct nbd_handle *h, struct socket *oldsock) { abort (); } bool nbd_internal_crypto_is_reading (struct nbd_handle *h) { abort (); } int nbd_internal_crypto_handshake (struct nbd_handle *h) { abort (); } void nbd_internal_crypto_debug_tls_enabled (struct nbd_handle *h) { abort (); } #endif /* !HAVE_GNUTLS */ libnbd-1.22.2/lib/debug.c0000644000175000017500000000465414615730274010533 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include "internal.h" int nbd_unlocked_set_debug (struct nbd_handle *h, bool fl) { h->debug = fl; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_get_debug (struct nbd_handle *h) { return h->debug; } int nbd_unlocked_clear_debug_callback (struct nbd_handle *h) { FREE_CALLBACK (h->debug_callback); return 0; } int nbd_unlocked_set_debug_callback (struct nbd_handle *h, nbd_debug_callback *debug_callback) { /* This can't fail at the moment - see implementation above. */ nbd_unlocked_clear_debug_callback (h); h->debug_callback = *debug_callback; SET_CALLBACK_TO_NULL (*debug_callback); return 0; } /* Note this preserves the value of errno, making it safe to use in * all situations. */ void nbd_internal_debug (struct nbd_handle *h, const char *context, const char *fs, ...) { int err, r; va_list args; char *msg = NULL; /* The debug() wrapper checks this, but check it again in case * something calls nbd_internal_debug directly. */ if (!h->debug) return; err = errno; if (context == NULL) context = nbd_internal_get_error_context (); va_start (args, fs); r = vasprintf (&msg, fs, args); va_end (args); if (r == -1) goto out; if (CALLBACK_IS_NOT_NULL (h->debug_callback)) /* ignore return value */ CALL_CALLBACK (h->debug_callback, context, msg); else fprintf (stderr, "libnbd: debug: %s: %s: %s\n", h->hname, context ? : "unknown", msg); out: free (msg); errno = err; return; } libnbd-1.22.2/lib/disconnect.c0000644000175000017500000000526614615732571011600 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include "internal.h" int nbd_unlocked_shutdown (struct nbd_handle *h, uint32_t flags) { /* If we are still in opt mode, end it gracefully. */ if (nbd_internal_is_state_negotiating (get_next_state (h))) { if (nbd_unlocked_aio_opt_abort (h) == -1) return -1; goto wait; } /* If ABANDON_PENDING, abort any commands that have not yet had any * bytes sent to the server, so NBD_CMD_DISC becomes next in line. */ if (flags & LIBNBD_SHUTDOWN_ABANDON_PENDING) { struct command **cmd = &h->cmds_to_issue; if (!nbd_internal_is_state_ready (get_next_state (h))) { assert (*cmd); h->cmds_to_issue_tail = *cmd; cmd = &(*cmd)->next; } nbd_internal_abort_commands (h, cmd); } if (!h->disconnect_request && (nbd_internal_is_state_ready (get_next_state (h)) || nbd_internal_is_state_processing (get_next_state (h)))) { if (nbd_unlocked_aio_disconnect (h, 0) == -1) return -1; } wait: while (!nbd_internal_is_state_closed (get_next_state (h)) && !nbd_internal_is_state_dead (get_next_state (h))) { if (nbd_unlocked_poll (h, -1) == -1) return -1; } return 0; } int nbd_unlocked_aio_disconnect (struct nbd_handle *h, uint32_t flags) { int64_t id; id = nbd_internal_command_common (h, flags, NBD_CMD_DISC, 0, 0, 0, NULL, NULL); if (id == -1) return -1; h->disconnect_request = true; /* As the server does not reply to this command, it is left * in-flight until the cleanup performed when moving to CLOSED or * DEAD. We don't return a handle to the user, and thus also * special case things so that the user cannot request the status of * this command during aio_[peek_]command_completed. */ return 0; } libnbd-1.22.2/lib/errors.c0000644000175000017500000001067014525371754010760 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include "internal.h" struct last_error { const char *context; /* Current function context. */ char *error; /* Error message string. */ int errnum; /* errno value (0 if not available). */ }; /* Thread-local storage of the last error. */ static pthread_key_t errors_key; static void free_errors_key (void *vp) LIBNBD_ATTRIBUTE_NONNULL (1); /* Create the thread-local key when the library is loaded. */ static void errors_key_create (void) __attribute__ ((constructor)); static void errors_key_create (void) { int err; err = pthread_key_create (&errors_key, free_errors_key); if (err != 0) { fprintf (stderr, "%s: %s: %s\n", "libnbd", "pthread_key_create", strerror (err)); abort (); } } /* Destroy the thread-local key when the library is unloaded. */ static void errors_key_destroy (void) __attribute__ ((destructor)); static void errors_key_destroy (void) { struct last_error *last_error = pthread_getspecific (errors_key); /* "No destructor functions shall be invoked by * pthread_key_delete(). Any destructor function that may have been * associated with key shall no longer be called upon thread exit." */ if (last_error != NULL) { free (last_error->error); free (last_error); } /* We could do this, but that causes a race condition described here: * https://listman.redhat.com/archives/libguestfs/2023-March/031002.html */ //pthread_key_delete (errors_key); } /* This is called when a thread exits, to free the thread-local data * for that thread. Note that vp != NULL, guaranteed by pthread. */ static void free_errors_key (void *vp) { struct last_error *last_error = vp; free (last_error->error); free (last_error); } static struct last_error * allocate_last_error_on_demand (void) { struct last_error *last_error = pthread_getspecific (errors_key); if (!last_error) { last_error = calloc (1, sizeof *last_error); if (last_error) { int err = pthread_setspecific (errors_key, last_error); if (err != 0) { /* This is not supposed to happen (XXX). */ fprintf (stderr, "%s: %s: %s\n", "libnbd", "pthread_setspecific", strerror (err)); } } } return last_error; } /* Called on entry to any API function that can call an error function * (see generator "may_set_error") to reset the error context. The * 'context' parameter is the name of the function. */ void nbd_internal_set_error_context (const char *context) { struct last_error *last_error = allocate_last_error_on_demand (); if (!last_error) return; last_error->context = context; } void nbd_internal_set_last_error (int errnum, char *error) { struct last_error *last_error = allocate_last_error_on_demand (); if (!last_error) { /* At least we shouldn't lose the error. */ perror ("nbd_internal_set_last_error: calloc"); fprintf (stderr, "nbd_internal_set_last_error: lost error: %s (%d)\n", error, errnum); return; } free (last_error->error); last_error->error = error; last_error->errnum = errnum; } const char * nbd_internal_get_error_context (void) { struct last_error *last_error = allocate_last_error_on_demand (); return last_error ? last_error->context : NULL; } const char * nbd_get_error (void) { struct last_error *last_error = pthread_getspecific (errors_key); if (!last_error) return NULL; return last_error->error; } int nbd_get_errno (void) { struct last_error *last_error = pthread_getspecific (errors_key); if (!last_error) return 0; return last_error->errnum; } libnbd-1.22.2/lib/flags.c0000644000175000017500000001712114615704237010532 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include "internal.h" #include "minmax.h" /* Reset connection data. Called after swapping export name, after * failed OPT_GO/OPT_INFO, or after successful OPT_STARTTLS. */ void nbd_internal_reset_size_and_flags (struct nbd_handle *h) { h->exportsize = 0; h->eflags = 0; h->block_minimum = 0; h->block_preferred = 0; h->block_maximum = 0; h->payload_maximum = 0; free (h->canonical_name); h->canonical_name = NULL; free (h->description); h->description = NULL; } /* Set the export size and eflags on the handle, validating them. * This is called from the state machine when either the newstyle or * oldstyle negotiation reaches the point that these are available. */ int nbd_internal_set_size_and_flags (struct nbd_handle *h, uint64_t exportsize, uint16_t eflags) { debug (h, "exportsize: %" PRIu64 " eflags: 0x%" PRIx16, exportsize, eflags); if (eflags == 0) { set_error (EINVAL, "handshake: invalid eflags == 0 from server"); return -1; } if (eflags & NBD_FLAG_SEND_DF && !h->structured_replies) { debug (h, "server lacks structured replies, ignoring claim of df"); eflags &= ~NBD_FLAG_SEND_DF; } if (eflags & NBD_FLAG_BLOCK_STATUS_PAYLOAD && !h->extended_headers) { debug (h, "server lacks extended headers, ignoring claim " "of block status payload"); eflags &= ~NBD_FLAG_BLOCK_STATUS_PAYLOAD; } if (eflags & NBD_FLAG_SEND_FAST_ZERO && !(eflags & NBD_FLAG_SEND_WRITE_ZEROES)) { debug (h, "server lacks write zeroes, ignoring claim of fast zero"); eflags &= ~NBD_FLAG_SEND_FAST_ZERO; } if (h->request_meta && (!h->structured_replies || h->request_meta_contexts.len == 0)) { assert (h->meta_contexts.len == 0); h->meta_valid = true; } h->exportsize = exportsize; h->eflags = eflags; return 0; } /* Set the block size constraints on the handle, validating them. * This is called from the state machine if newstyle negotiation encounters * a server advertisement. */ int nbd_internal_set_block_size (struct nbd_handle *h, uint32_t min, uint32_t pref, uint32_t max) { debug (h, "server block size constraints: min: %u preferred: %u max: %u", min, pref, max); /* NBD spec recommends: * min and pref are power of 2 * min <= MIN(pref, 64k) * pref >= 512 * max >= MIN(MAX(pref, 1M), exportsize) * max is either multiple of min or 0xffffffff * exportsize is multiple of min * At the point of this call, we don't necessarily know exportsize yet; * but we ignore server advertisement if any other constraints are wrong. */ if (!min || min > 64*1024 || min > pref || pref < 512 || pref > max) goto ignore; if ((min & (min - 1)) != 0 || (pref & (pref - 1)) != 0) goto ignore; if (max != 0xffffffffU && max % min != 0) goto ignore; h->block_minimum = min; h->block_preferred = pref; h->block_maximum = max; return 0; ignore: debug (h, "ignoring improper server size constraints"); return 0; /* Use return -1 if we want to reject such servers */ } /* Set the payload size constraint on the handle. * This is called from the state machine after all other information * about an export is available, regardless of oldstyle or newstyle. */ void nbd_internal_set_payload (struct nbd_handle *h) { /* The NBD protocol says we should not assume the server will allow * more than 32M payload if it did not advertise anything. If it * advertised more than 64M, we still cap at the maximum buffer size * we are willing to allocate as a client; if it advertised smaller * than 1M (presumably because the export itself was small), the NBD * protocol says we can still send payloads that large. */ if (h->block_maximum) h->payload_maximum = MIN (MAX_REQUEST_SIZE, MAX (1024 * 1024, h->block_maximum)); else h->payload_maximum = 32 * 1024 * 1024; } static int get_flag (struct nbd_handle *h, uint16_t flag) { if (h->eflags == 0) { set_error (EINVAL, "server has not returned export flags, " "you need to connect to the server first"); return -1; } return (h->eflags & flag) != 0; } int nbd_unlocked_is_read_only (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_READ_ONLY); } int nbd_unlocked_can_flush (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_FLUSH); } int nbd_unlocked_can_fua (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_FUA); } int nbd_unlocked_is_rotational (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_ROTATIONAL); } int nbd_unlocked_can_trim (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_TRIM); } int nbd_unlocked_can_zero (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_WRITE_ZEROES); } int nbd_unlocked_can_fast_zero (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_FAST_ZERO); } int nbd_unlocked_can_df (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_DF); } int nbd_unlocked_can_multi_conn (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_CAN_MULTI_CONN); } int nbd_unlocked_can_cache (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_SEND_CACHE); } int nbd_unlocked_can_block_status_payload (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_BLOCK_STATUS_PAYLOAD); } int nbd_unlocked_can_meta_context (struct nbd_handle *h, const char *name) { size_t i; if (h->request_meta_contexts.len && !h->meta_valid) { set_error (EINVAL, "need a successful server meta context request first"); return -1; } for (i = 0; i < h->meta_contexts.len; ++i) if (strcmp (h->meta_contexts.ptr[i].name, name) == 0) return 1; return 0; } int64_t nbd_unlocked_get_size (struct nbd_handle *h) { /* exportsize is only valid when we've read both the eflags and the * exportsize. See comment in lib/internal.h. */ if (h->eflags == 0) { set_error (EINVAL, "server has not returned export size, " "you need to connect to the server first"); return -1; } if (h->exportsize > INT64_MAX) { set_error (EOVERFLOW, "server claims size %" PRIu64 " which does not fit in signed result", h->exportsize); return -1; } return h->exportsize; } int64_t nbd_unlocked_get_block_size (struct nbd_handle *h, int type) { if (h->eflags == 0) { set_error (EINVAL, "server has not returned export flags, " "you need to connect to the server first"); return -1; } switch (type) { case LIBNBD_SIZE_MINIMUM: return h->block_minimum; case LIBNBD_SIZE_PREFERRED: return h->block_preferred; case LIBNBD_SIZE_MAXIMUM: return h->block_maximum; case LIBNBD_SIZE_PAYLOAD: return h->payload_maximum; } return 0; } libnbd-1.22.2/lib/handle.c0000644000175000017500000003350414706511347010673 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include "ascii-ctype.h" #include "internal.h" static void free_cmd_list (struct command *list) { struct command *cmd, *cmd_next; for (cmd = list; cmd != NULL; cmd = cmd_next) { int error = cmd->error ? : ENOTCONN; cmd_next = cmd->next; CALL_CALLBACK (cmd->cb.completion, &error); nbd_internal_retire_and_free_command (cmd); } } struct nbd_handle * nbd_create (void) { static _Atomic int hnums = 1; struct nbd_handle *h; const char *s; nbd_internal_set_error_context ("nbd_create"); h = calloc (1, sizeof *h); if (h == NULL) { set_error (errno, "calloc"); goto error1; } h->magic = NBD_HANDLE_MAGIC; if (asprintf (&h->hname, "nbd%d", hnums++) == -1) { set_error (errno, "asprintf"); goto error1; } h->unique = 1; h->tls_verify_peer = true; h->request_eh = true; h->request_sr = true; h->request_meta = true; h->request_block_size = true; h->pread_initialize = true; h->uri_allow_transports = LIBNBD_ALLOW_TRANSPORT_MASK; h->uri_allow_tls = LIBNBD_TLS_ALLOW; h->uri_allow_local_file = false; h->gflags = LIBNBD_HANDSHAKE_FLAG_MASK; s = getenv ("LIBNBD_DEBUG"); h->debug = s && strcmp (s, "1") == 0; h->strict = LIBNBD_STRICT_MASK; h->public_state = STATE_START; h->state = STATE_START; h->pid = -1; h->export_name = strdup (""); if (h->export_name == NULL) { set_error (errno, "strdup"); goto error1; } errno = pthread_mutex_init (&h->lock, NULL); if (errno != 0) { set_error (errno, "pthread_mutex_init"); goto error1; } if (nbd_internal_run (h, cmd_create) == -1) goto error2; debug (h, "opening handle"); /*debug (h, "sizeof *h = %zu", sizeof *h);*/ return h; error2: pthread_mutex_destroy (&h->lock); error1: if (h) { free (h->export_name); free (h->hname); free (h); } return NULL; } void nbd_close (struct nbd_handle *h) { size_t i; nbd_internal_set_error_context ("nbd_close"); if (h == NULL) return; assert (h->magic == NBD_HANDLE_MAGIC); debug (h, "closing handle"); /* Free user callbacks first. */ nbd_unlocked_clear_debug_callback (h); string_vector_empty (&h->querylist); free (h->bs_raw.storage); free (h->bs_cooked.storage); nbd_internal_reset_size_and_flags (h); for (i = 0; i < h->meta_contexts.len; ++i) free (h->meta_contexts.ptr[i].name); meta_vector_reset (&h->meta_contexts); nbd_internal_free_option (h); free_cmd_list (h->cmds_to_issue); free_cmd_list (h->cmds_in_flight); free_cmd_list (h->cmds_done); string_vector_empty (&h->argv); if (h->sact_sockpath) { if (h->pid > 0) kill (h->pid, SIGTERM); unlink (h->sact_sockpath); free (h->sact_sockpath); } if (h->sact_tmpdir) { rmdir (h->sact_tmpdir); free (h->sact_tmpdir); } free (h->hostname); free (h->port); if (h->result) freeaddrinfo (h->result); if (h->sock) h->sock->ops->close (h->sock); if (h->pid > 0) waitpid (h->pid, NULL, 0); free (h->export_name); free (h->sact_name); free (h->tls_certificates); free (h->tls_username); free (h->tls_hostname); free (h->tls_psk_file); string_vector_empty (&h->request_meta_contexts); free (h->hname); pthread_mutex_destroy (&h->lock); /* Although we are about to free the handle, set the h->magic field * to something invalid so we can catch use-after-free. */ h->magic = 0xdeaddead; free (h); } int nbd_unlocked_set_handle_name (struct nbd_handle *h, const char *handle_name) { char *new_name; new_name = strdup (handle_name); if (!new_name) { set_error (errno, "strdup"); return -1; } free (h->hname); h->hname = new_name; return 0; } char * nbd_unlocked_get_handle_name (struct nbd_handle *h) { char *copy = strdup (h->hname); if (!copy) { set_error (errno, "strdup"); return NULL; } return copy; } int nbd_unlocked_set_socket_activation_name (struct nbd_handle *h, const char *name) { size_t i, len; char *new_name; len = strlen (name); /* Setting it to empty string stores NULL in the handle. */ if (len == 0) { free (h->sact_name); h->sact_name = NULL; return 0; } /* Check the proposed name is short and alphanumeric. */ if (len > 32) { set_error (ENAMETOOLONG, "socket activation name should be " "<= 32 characters"); return -1; } for (i = 0; i < len; ++i) { if (! ascii_isalnum (name[i])) { set_error (EINVAL, "socket activation name should contain " "only alphanumeric ASCII characters"); return -1; } } new_name = strdup (name); if (!new_name) { set_error (errno, "strdup"); return -1; } free (h->sact_name); h->sact_name = new_name; return 0; } char * nbd_unlocked_get_socket_activation_name (struct nbd_handle *h) { char *copy = strdup (h->sact_name ? h->sact_name : ""); if (!copy) { set_error (errno, "strdup"); return NULL; } return copy; } uintptr_t nbd_unlocked_set_private_data (struct nbd_handle *h, uintptr_t data) { uintptr_t old_data; /* atomic_exchange? XXX */ old_data = h->private_data; h->private_data = data; return old_data; } uintptr_t nbd_unlocked_get_private_data (struct nbd_handle *h) { return h->private_data; } int nbd_unlocked_set_export_name (struct nbd_handle *h, const char *export_name) { char *new_name; if (strnlen (export_name, NBD_MAX_STRING + 1) > NBD_MAX_STRING) { set_error (ENAMETOOLONG, "export name too long for NBD protocol"); return -1; } if (strcmp (export_name, h->export_name) == 0) return 0; new_name = strdup (export_name); if (!new_name) { set_error (errno, "strdup"); return -1; } free (h->export_name); h->export_name = new_name; nbd_internal_reset_size_and_flags (h); h->meta_valid = false; return 0; } char * nbd_unlocked_get_export_name (struct nbd_handle *h) { char *copy = strdup (h->export_name); if (!copy) { set_error (errno, "strdup"); return NULL; } return copy; } int nbd_unlocked_set_request_block_size (struct nbd_handle *h, bool request) { h->request_block_size = request; return 0; } int nbd_unlocked_get_request_block_size (struct nbd_handle *h) { return h->request_block_size; } int nbd_unlocked_set_full_info (struct nbd_handle *h, bool request) { h->full_info = request; return 0; } int nbd_unlocked_get_full_info (struct nbd_handle *h) { return h->full_info; } char * nbd_unlocked_get_canonical_export_name (struct nbd_handle *h) { char *r; if (h->eflags == 0) { set_error (EINVAL, "server has not returned export flags, " "you need to connect to the server first"); return NULL; } if (h->canonical_name == NULL) { set_error (ENOTSUP, "server did not advertise a canonical name"); return NULL; } r = strdup (h->canonical_name); if (r == NULL) { set_error (errno, "strdup"); return NULL; } return r; } char * nbd_unlocked_get_export_description (struct nbd_handle *h) { char *r; if (h->eflags == 0) { set_error (EINVAL, "server has not returned export flags, " "you need to connect to the server first"); return NULL; } if (h->description == NULL) { set_error (ENOTSUP, "server did not advertise a description"); return NULL; } r = strdup (h->description); if (r == NULL) { set_error (errno, "strdup"); return NULL; } return r; } int nbd_unlocked_add_meta_context (struct nbd_handle *h, const char *name) { char *copy; if (strnlen (name, NBD_MAX_STRING + 1) > NBD_MAX_STRING) { set_error (ENAMETOOLONG, "meta context name too long for NBD protocol"); return -1; } copy = strdup (name); if (!copy) { set_error (errno, "strdup"); return -1; } if (string_vector_append (&h->request_meta_contexts, copy) == -1) { free (copy); set_error (errno, "realloc"); return -1; } return 0; } ssize_t nbd_unlocked_get_nr_meta_contexts (struct nbd_handle *h) { return h->request_meta_contexts.len; } char * nbd_unlocked_get_meta_context (struct nbd_handle *h, size_t i) { char *ret; if (i >= h->request_meta_contexts.len) { set_error (EINVAL, "meta context request out of range"); return NULL; } ret = strdup (h->request_meta_contexts.ptr[i]); if (ret == NULL) set_error (errno, "strdup"); return ret; } int nbd_unlocked_clear_meta_contexts (struct nbd_handle *h) { string_vector_empty (&h->request_meta_contexts); return 0; } int nbd_unlocked_set_request_extended_headers (struct nbd_handle *h, bool request) { h->request_eh = request; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_get_request_extended_headers (struct nbd_handle *h) { return h->request_eh; } int nbd_unlocked_get_extended_headers_negotiated (struct nbd_handle *h) { return h->extended_headers; } int nbd_unlocked_set_request_structured_replies (struct nbd_handle *h, bool request) { h->request_sr = request; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_get_request_structured_replies (struct nbd_handle *h) { return h->request_sr; } int nbd_unlocked_set_request_meta_context (struct nbd_handle *h, bool request) { h->request_meta = request; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_get_request_meta_context (struct nbd_handle *h) { return h->request_meta; } int nbd_unlocked_get_structured_replies_negotiated (struct nbd_handle *h) { return h->structured_replies; } int nbd_unlocked_set_handshake_flags (struct nbd_handle *h, uint32_t flags) { /* The generator already ensured flags was in range. */ h->gflags = flags; return 0; } /* NB: may_set_error = false. */ uint32_t nbd_unlocked_get_handshake_flags (struct nbd_handle *h) { return h->gflags; } int nbd_unlocked_set_pread_initialize (struct nbd_handle *h, bool request) { h->pread_initialize = request; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_get_pread_initialize (struct nbd_handle *h) { return h->pread_initialize; } int nbd_unlocked_set_strict_mode (struct nbd_handle *h, uint32_t flags) { h->strict = flags; return 0; } /* NB: may_set_error = false. */ uint32_t nbd_unlocked_get_strict_mode (struct nbd_handle *h) { return h->strict; } const char * nbd_unlocked_get_package_name (struct nbd_handle *h) { return PACKAGE_NAME; } const char * nbd_unlocked_get_version (struct nbd_handle *h) { return PACKAGE_VERSION; } int nbd_unlocked_kill_subprocess (struct nbd_handle *h, int signum) { if (h->pid == -1) { set_error (ESRCH, "no subprocess exists"); return -1; } assert (h->pid > 0); if (signum == 0) signum = SIGTERM; if (signum < 0) { set_error (EINVAL, "invalid signal number: %d", signum); return -1; } if (kill (h->pid, signum) == -1) { set_error (errno, "kill"); return -1; } return 0; } int64_t nbd_unlocked_get_subprocess_pid (struct nbd_handle *h) { if (h->pid == -1) { set_error (ESRCH, "no subprocess exists"); return -1; } /* Probably this is always > 0, but we make no guarantees as this * function is only useful for debugging. */ return h->pid; } /* NB: is_locked = false, may_set_error = false. */ int nbd_unlocked_supports_tls (struct nbd_handle *h) { #ifdef HAVE_GNUTLS return 1; #else return 0; #endif } /* NB: is_locked = false, may_set_error = false. */ int nbd_unlocked_supports_vsock (struct nbd_handle *h) { #if HAVE_STRUCT_SOCKADDR_VM return 1; #else return 0; #endif } /* NB: is_locked = false, may_set_error = false. */ int nbd_unlocked_supports_uri (struct nbd_handle *h) { #ifdef HAVE_LIBXML2 return 1; #else return 0; #endif } const char * nbd_unlocked_get_protocol (struct nbd_handle *h) { /* I believe that if we reach the Connected or Closed permitted * states, then the state machine must have set h->protocol. So if * this assertion is hit then it indicates a bug in libnbd. */ assert (h->protocol); return h->protocol; } int nbd_unlocked_set_uri_allow_transports (struct nbd_handle *h, uint32_t mask) { h->uri_allow_transports = mask; return 0; } int nbd_unlocked_set_uri_allow_tls (struct nbd_handle *h, int tls) { h->uri_allow_tls = tls; return 0; } int nbd_unlocked_set_uri_allow_local_file (struct nbd_handle *h, bool allow) { h->uri_allow_local_file = allow; return 0; } /* NB: may_set_error = false. */ uint64_t nbd_unlocked_stats_bytes_sent (struct nbd_handle *h) { return h->bytes_sent; } /* NB: may_set_error = false. */ uint64_t nbd_unlocked_stats_chunks_sent (struct nbd_handle *h) { return h->chunks_sent; } /* NB: may_set_error = false. */ uint64_t nbd_unlocked_stats_bytes_received (struct nbd_handle *h) { return h->bytes_received; } /* NB: may_set_error = false. */ uint64_t nbd_unlocked_stats_chunks_received (struct nbd_handle *h) { return h->chunks_received; } libnbd-1.22.2/lib/internal.h0000644000175000017500000005315314706511347011263 /* nbd client library in userspace: internal definitions * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef LIBNBD_INTERNAL_H #define LIBNBD_INTERNAL_H #ifdef HAVE_STDATOMIC_H #include #else /* Rely on ints being atomic enough on the platform. */ #define _Atomic /**/ #endif #include #include #include #include #include #include #include #include "libnbd.h" #include "nbd-protocol.h" #include "byte-swapping.h" #include "states.h" #include "string-vector.h" #include "unlocked.h" /* Define unlikely macro, but only for GCC. These are used to move * debug and error handling code out of hot paths, making the hot path * into common functions use less instruction cache. */ #if defined (__GNUC__) #define unlikely(x) __builtin_expect (!!(x), 0) #define if_debug(h) if (unlikely ((h)->debug)) #else #define unlikely(x) (x) #define if_debug(h) if ((h)->debug) #endif /* MSG_MORE is an optimization. If not present, ignore it. */ #ifndef MSG_MORE #define MSG_MORE 0 #endif /* XXX This is the same as nbdkit, but probably it should be detected * from the server (NBD_INFO_BLOCK_SIZE) or made configurable. */ #define MAX_REQUEST_SIZE (64 * 1024 * 1024) struct socket; struct command; struct meta_context { char *name; /* Name of meta context. */ uint32_t context_id; /* Context ID negotiated with the server. */ }; DEFINE_VECTOR_TYPE (meta_vector, struct meta_context); DEFINE_VECTOR_TYPE(uint32_vector, uint32_t); struct export { char *name; char *description; }; struct command_cb { union { nbd_extent_callback extent32; nbd_extent64_callback extent64; nbd_chunk_callback chunk; nbd_list_callback list; nbd_context_callback context; } fn; nbd_completion_callback completion; bool wide; }; struct nbd_handle { /* Magic value used to validate handle pointers. */ uint64_t magic; #define NBD_HANDLE_MAGIC 0xbdbd /* Unique name assigned to this handle for debug messages * (to avoid having to print actual pointers). */ char *hname; /* Lock protecting concurrent access to the handle. */ pthread_mutex_t lock; /* Private data, for the application to use. */ _Atomic uintptr_t private_data; char *export_name; /* Export name, never NULL. */ char *sact_name; /* Socket activation name, can be NULL. */ /* TLS settings. */ int tls; /* 0 = disable, 1 = enable, 2 = require */ char *tls_certificates; /* Certs dir, NULL = use default path */ bool tls_verify_peer; /* Verify the peer certificate. */ char *tls_username; /* Username, NULL = use current username */ char *tls_hostname; /* TLS hostname */ char *tls_psk_file; /* PSK filename, NULL = no PSK */ /* Extended headers. */ bool request_eh; /* Whether to request extended headers */ bool extended_headers; /* If we negotiated NBD_OPT_EXTENDED_HEADERS */ /* Desired metadata contexts. */ bool request_sr; bool request_meta; string_vector request_meta_contexts; /* Allowed in URIs, see lib/uri.c. */ uint32_t uri_allow_transports; int uri_allow_tls; bool uri_allow_local_file; /* Option negotiation mode. */ bool opt_mode; uint8_t opt_current; /* 0 or one of NBD_OPT_* */ struct command_cb opt_cb; /* Tweak what OPT_INFO/GO requests. */ bool request_block_size; /* default true, for INFO_BLOCK_SIZE */ bool full_info; /* default false, for INFO_NAME, INFO_DESCRIPTION */ /* Sanitization for pread. */ bool pread_initialize; /* Global flags from the server. */ uint16_t gflags; /* Export size and per-export flags, received during handshake. NB: * These are *both* *only* valid if eflags != 0. This is because * all servers should set NBD_FLAG_HAS_FLAGS, so eflags should * always be != 0, and we set both fields at the same time. */ uint64_t exportsize; uint16_t eflags; /* Server block size constraints, or 0 if not advertised. */ uint32_t block_minimum; uint32_t block_preferred; uint32_t block_maximum; /* Payload cap, always non-zero, based on block_maximum when feasible */ uint32_t payload_maximum; /* Server canonical name and description, or NULL if not advertised. */ char *canonical_name; char *description; /* Flags set by the state machine to tell what protocol and whether * TLS was negotiated. */ const char *protocol; bool tls_negotiated; int64_t unique; /* Used for generating cookie numbers. */ /* Traffic statistics. */ uint64_t bytes_sent; uint64_t chunks_sent; uint64_t bytes_received; uint64_t chunks_received; /* For debugging. */ bool debug; nbd_debug_callback debug_callback; /* How strict to be. */ uint32_t strict; /* State machine. * * The actual current state is ‘state’. ‘public_state’ is updated * before we release the lock. * * Note don't access these fields directly, use the SET_NEXT_STATE * macro in generator/states* code, or the set_next_state, * get_next_state and get_public_state macros in regular code. */ _Atomic enum state public_state; enum state state; bool structured_replies; /* If we negotiated NBD_OPT_STRUCTURED_REPLY */ /* Vector of negotiated metadata contexts. */ bool meta_valid; meta_vector meta_contexts; /* The socket or a wrapper if using GnuTLS. */ struct socket *sock; /* Generic way to read into a buffer - set rbuf to point to a * buffer, rlen to the amount of data you expect, and in the state * machine call recv_into_rbuf. */ void *rbuf; size_t rlen; /* As above, but for writing using send_from_wbuf. */ const void *wbuf; size_t wlen; int wflags; /* Static buffer used for short amounts of data, such as handshake * and commands. */ union { uint64_t align_; /* Start sbuf on an 8-byte alignment where useful */ struct nbd_old_handshake old_handshake; struct nbd_new_handshake new_handshake; struct nbd_new_option option; struct { struct nbd_fixed_new_option_reply option_reply; union { struct { struct nbd_fixed_new_option_reply_server server; char str[NBD_MAX_STRING * 2 + 1]; /* name, description, NUL */ } NBD_ATTRIBUTE_PACKED server; struct nbd_fixed_new_option_reply_info_export export; struct nbd_fixed_new_option_reply_info_block_size block_size; struct { struct nbd_fixed_new_option_reply_info_name_or_desc info; char str[NBD_MAX_STRING]; } NBD_ATTRIBUTE_PACKED name_desc; struct { struct nbd_fixed_new_option_reply_meta_context context; char str[NBD_MAX_STRING]; } NBD_ATTRIBUTE_PACKED context; char err_msg[NBD_MAX_STRING]; } payload; } or; struct nbd_export_name_option_reply export_name_reply; struct { union reply_header { struct nbd_simple_reply simple; struct nbd_structured_reply structured; struct nbd_extended_reply extended; /* The wire formats share magic and cookie at the same offsets; * provide aliases for one less level of typing. */ struct { uint32_t magic; uint32_t pad_; uint64_t cookie; }; } hdr; union chunk_payload { uint64_t align_; /* Start reply.payload on an 8-byte alignment */ struct nbd_chunk_offset_data offset_data; struct nbd_chunk_offset_hole offset_hole; struct nbd_chunk_block_status_32 bs_hdr_32; struct nbd_chunk_block_status_64 bs_hdr_64; struct { struct nbd_chunk_error error; char msg[NBD_MAX_STRING]; /* Common to all error types */ uint64_t offset; /* Only used for NBD_REPLY_TYPE_ERROR_OFFSET */ } NBD_ATTRIBUTE_PACKED error; } payload; } reply; uint16_t gflags; uint32_t cflags; uint32_t len; uint16_t nrinfos; uint16_t info[3]; uint32_t nrqueries; } sbuf; /* Issuing a command must use a buffer separate from sbuf, for the * case when we interrupt a request to service a reply. */ union { struct nbd_request compact; struct nbd_request_ext extended; } req; bool in_write_payload; bool in_write_shutdown; /* When connecting, this stores the socket address. */ struct sockaddr_storage connaddr; socklen_t connaddrlen; /* When connecting to a local command, this points to the argv. A * local copy is taken to simplify callers. The PID is the PID of * the subprocess so we can wait on it when the connection is * closed. */ string_vector argv; pid_t pid; /* When using systemd socket activation, this directory and socket * must be deleted, and the pid above must be killed. */ char *sact_tmpdir; char *sact_sockpath; /* When connecting to TCP ports, these fields are used. */ char *hostname, *port; struct addrinfo hints; struct addrinfo *result, *rp; int connect_errno; /* When sending metadata contexts, this is used. */ string_vector querylist; size_t querynum; /* Chunk payload length remaining to be parsed */ size_t payload_left; /* When receiving block status, this is used. */ size_t bs_count; /* count of descriptors (not bytes or cooked entries!) */ union { char *storage; struct nbd_block_descriptor_32 *narrow; struct nbd_block_descriptor_64 *wide; } bs_raw; union { char *storage; uint32_t *narrow; /* Note that this array has 2*bs_count entries... */ nbd_extent *wide; /* ...while this is just bs_count entries. */ } bs_cooked; /* Commands which are waiting to be issued [meaning the request * packet is sent to the server]. This is used as a simple linked * list queue - commands are added to the back, and commands are * issued starting with the one on the front. When commands have * been issued they are moved to cmds_in_flight. */ struct command *cmds_to_issue; struct command *cmds_to_issue_tail; /* Commands which have been issued and are waiting for replies. * Order does not matter here, since the server can reply out-of-order. */ struct command *cmds_in_flight; /* Commands which have received replies, waiting for the main * program to acknowledge them. Maintained as a queue, with new * replies at the back, in case a client uses peek to process * replies in server order. */ struct command *cmds_done; struct command *cmds_done_tail; /* length (cmds_to_issue) + length (cmds_in_flight). */ int in_flight; /* Current command and POLLIN resumption point during a REPLY cycle */ struct command *reply_cmd; enum state reply_state; bool disconnect_request; /* True if we've queued NBD_CMD_DISC */ bool tls_shut_writes; /* Used by lib/crypto.c to track disconnect. */ }; struct socket_ops { ssize_t (*recv) (struct nbd_handle *h, struct socket *sock, void *buf, size_t len); ssize_t (*send) (struct nbd_handle *h, struct socket *sock, const void *buf, size_t len, int flags); bool (*pending) (struct socket *sock); int (*get_fd) (struct socket *sock); bool (*shut_writes) (struct nbd_handle *h, struct socket *sock); int (*close) (struct socket *sock); }; struct socket { union { int fd; struct { /* These are ‘void *’ so that we don't need to include gnutls * headers from this file. */ void *session; /* really gnutls_session_t */ void *pskcreds; /* really gnutls_psk_client_credentials_t */ void *xcreds; /* really gnutls_certificate_credentials_t */ struct socket *oldsock; } tls; } u; const struct socket_ops *ops; }; struct command { struct command *next; uint16_t flags; uint16_t type; uint64_t cookie; uint64_t offset; uint64_t count; void *data; /* Buffer for read/write, uint32_vector* for status payload */ uint32_vector *ids; /* For block status with payload */ struct command_cb cb; bool initialized; /* For read, true if getting a hole may skip memset */ uint32_t data_seen; /* For read, cumulative size of data chunks seen */ uint32_t error; /* Local errno value */ }; struct execvpe { string_vector pathnames; /* Note: "const_string_vector" is not a good type for "sh_argv" below. Even if * we reserved enough space in a "const_string_vector", * const_string_vector_append() would still not be async-signal-safe, due to * the underlying const_string_vector_insert() calling assert. */ char **sh_argv; size_t num_sh_args; }; /* Test if a callback is "null" or not, and set it to null. */ #define CALLBACK_IS_NULL(cb) ((cb).callback == NULL && (cb).free == NULL) #define CALLBACK_IS_NOT_NULL(cb) (! CALLBACK_IS_NULL ((cb))) #define SET_CALLBACK_TO_NULL(cb) ((cb).callback = NULL, (cb).free = NULL) /* Call a callback. */ #define CALL_CALLBACK(cb, ...) \ ((cb).callback != NULL ? (cb).callback ((cb).user_data, ##__VA_ARGS__) : 0) /* Free a callback. */ #define FREE_CALLBACK(cb) \ do { \ if ((cb).free != NULL) \ (cb).free ((cb).user_data); \ SET_CALLBACK_TO_NULL (cb); \ } while (0) /* aio.c */ extern void nbd_internal_retire_and_free_command (struct command *) LIBNBD_ATTRIBUTE_NONNULL (1); /* connect.c */ extern int nbd_internal_wait_until_connected (struct nbd_handle *h) LIBNBD_ATTRIBUTE_NONNULL (1); /* crypto.c */ extern struct socket * nbd_internal_crypto_create_session (struct nbd_handle *, struct socket *oldsock) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern bool nbd_internal_crypto_is_reading (struct nbd_handle *) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_internal_crypto_handshake (struct nbd_handle *) LIBNBD_ATTRIBUTE_NONNULL (1); extern void nbd_internal_crypto_debug_tls_enabled (struct nbd_handle *) LIBNBD_ATTRIBUTE_NONNULL (1); /* debug.c */ extern void nbd_internal_debug (struct nbd_handle *h, const char *context, const char *fs, ...) LIBNBD_ATTRIBUTE_NONNULL (1, 3); #define debug(h, fs, ...) \ do { \ if_debug ((h)) \ nbd_internal_debug ((h), NULL, (fs), ##__VA_ARGS__); \ } while (0) #define debug_direct(h, c, fs, ...) \ do { \ if_debug ((h)) \ nbd_internal_debug ((h), (c), (fs), ##__VA_ARGS__); \ } while (0) /* errors.c */ extern void nbd_internal_set_error_context (const char *context) LIBNBD_ATTRIBUTE_NONNULL (1); extern const char *nbd_internal_get_error_context (void); extern void nbd_internal_set_last_error (int errnum, char *error) LIBNBD_ATTRIBUTE_NONNULL (2); #define set_error(errnum, fs, ...) \ do { \ int _e = (errnum); \ const char *_context = \ nbd_internal_get_error_context () ? : "unknown"; \ char *_errp; \ int _r; \ if (_e == 0) \ _r = asprintf (&_errp, "%s: " fs, _context, ##__VA_ARGS__); \ else \ _r = asprintf (&_errp, "%s: " fs ": %s", \ _context, ##__VA_ARGS__, strerror (_e)); \ if (_r >= 0) \ nbd_internal_set_last_error (_e, _errp); \ else \ nbd_internal_set_last_error (_e, fs /* best effort */); \ } while (0) /* flags.c */ extern void nbd_internal_reset_size_and_flags (struct nbd_handle *h) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_internal_set_size_and_flags (struct nbd_handle *h, uint64_t exportsize, uint16_t eflags) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_internal_set_block_size (struct nbd_handle *h, uint32_t min, uint32_t pref, uint32_t max) LIBNBD_ATTRIBUTE_NONNULL (1); extern void nbd_internal_set_payload (struct nbd_handle *h) LIBNBD_ATTRIBUTE_NONNULL (1); /* is-state.c */ extern bool nbd_internal_is_state_created (enum state state); extern bool nbd_internal_is_state_connecting (enum state state); extern bool nbd_internal_is_state_negotiating (enum state state); extern bool nbd_internal_is_state_ready (enum state state); extern bool nbd_internal_is_state_processing (enum state state); extern bool nbd_internal_is_state_dead (enum state state); extern bool nbd_internal_is_state_closed (enum state state); /* opt.c */ extern void nbd_internal_free_option (struct nbd_handle *h) LIBNBD_ATTRIBUTE_NONNULL (1); /* protocol.c */ extern int nbd_internal_errno_of_nbd_error (uint32_t error); extern const char *nbd_internal_name_of_nbd_cmd (uint16_t type); /* rw.c */ extern int64_t nbd_internal_command_common (struct nbd_handle *h, uint16_t flags, uint16_t type, uint64_t offset, uint64_t count, int count_err, void *data, struct command_cb *cb) LIBNBD_ATTRIBUTE_NONNULL (1); /* socket.c */ struct socket *nbd_internal_socket_create (int fd); /* states.c */ extern void nbd_internal_abort_commands (struct nbd_handle *h, struct command **list) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_internal_run (struct nbd_handle *h, enum external_event ev) LIBNBD_ATTRIBUTE_NONNULL (1); extern const char *nbd_internal_state_short_string (enum state state); extern enum state_group nbd_internal_state_group (enum state state); extern enum state_group nbd_internal_state_group_parent (enum state_group group); extern int nbd_internal_aio_get_direction (enum state state); #define set_next_state(h,next_state) ((h)->state) = (next_state) #define get_next_state(h) ((h)->state) #define get_public_state(h) ((h)->public_state) /* utils.c */ extern void nbd_internal_hexdump (const void *data, size_t len, FILE *fp) LIBNBD_ATTRIBUTE_NONNULL (1, 3); extern int nbd_internal_copy_string_list (string_vector *v, char **in) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_internal_set_argv (struct nbd_handle *h, char **argv) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_internal_set_querylist (struct nbd_handle *h, char **queries) LIBNBD_ATTRIBUTE_NONNULL (1); extern const char *nbd_internal_fork_safe_itoa (long v, char *buf, size_t len) LIBNBD_ATTRIBUTE_NONNULL (2); extern void nbd_internal_fork_safe_perror (const char *s) LIBNBD_ATTRIBUTE_NONNULL (1); extern char *nbd_internal_printable_buffer (const void *buf, size_t count) LIBNBD_ATTRIBUTE_NONNULL (1); extern char *nbd_internal_printable_string (const char *str) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (free) LIBNBD_ATTRIBUTE_NONNULL (1); extern char *nbd_internal_printable_string_list (char **list) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (free); /* These are wrappers around socket(2) and socketpair(2). They * always set SOCK_CLOEXEC. nbd_internal_socket can set SOCK_NONBLOCK * according to the nonblock parameter. */ extern int nbd_internal_socket (int domain, int type, int protocol, bool nonblock); extern int nbd_internal_socketpair (int domain, int type, int protocol, int *fds) LIBNBD_ATTRIBUTE_NONNULL (4); extern void nbd_internal_fork_safe_assert (int result, const char *file, long line, const char *func, const char *assertion) LIBNBD_ATTRIBUTE_NONNULL (2, 4, 5); #ifdef NDEBUG #define NBD_INTERNAL_FORK_SAFE_ASSERT(expression) ((void)0) #else #define NBD_INTERNAL_FORK_SAFE_ASSERT(expression) \ (nbd_internal_fork_safe_assert ((expression) != 0, __FILE__, __LINE__, \ __func__, #expression)) #endif extern int nbd_internal_execvpe_init (struct execvpe *ctx, const char *file, size_t num_args) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern void nbd_internal_execvpe_uninit (struct execvpe *ctx) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_internal_fork_safe_execvpe (struct execvpe *ctx, const string_vector *argv, char * const *envp) LIBNBD_ATTRIBUTE_NONNULL (1, 2, 3); #endif /* LIBNBD_INTERNAL_H */ libnbd-1.22.2/lib/is-state.c0000644000175000017500000000727614525371754011205 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include "internal.h" /* Internal functions to test state or groups of states. */ bool nbd_internal_is_state_created (enum state state) { return state == STATE_START; } static int is_connecting_group (enum state_group group) { switch (group) { case GROUP_TOP: return 0; case GROUP_CONNECT: case GROUP_CONNECT_TCP: case GROUP_CONNECT_COMMAND: case GROUP_MAGIC: case GROUP_OLDSTYLE: case GROUP_NEWSTYLE: return 1; default: return is_connecting_group (nbd_internal_state_group_parent (group)); } } bool nbd_internal_is_state_connecting (enum state state) { enum state_group group = nbd_internal_state_group (state); return is_connecting_group (group); } bool nbd_internal_is_state_negotiating (enum state state) { return state == STATE_NEGOTIATING; } bool nbd_internal_is_state_ready (enum state state) { return state == STATE_READY; } static int is_processing_group (enum state_group group) { switch (group) { case GROUP_TOP: return 0; case GROUP_ISSUE_COMMAND: case GROUP_REPLY: return 1; default: return is_processing_group (nbd_internal_state_group_parent (group)); } } bool nbd_internal_is_state_processing (enum state state) { enum state_group group = nbd_internal_state_group (state); return is_processing_group (group); } bool nbd_internal_is_state_dead (enum state state) { return state == STATE_DEAD; } bool nbd_internal_is_state_closed (enum state state) { return state == STATE_CLOSED; } /* The nbd_unlocked_aio_is_* and nbd_unlocked_aio_get_direction calls are * the public APIs for reading the state of the handle. * * They all have: is_locked = false, may_set_error = false. * * They all read the public state, not the real state. Therefore you * SHOULD NOT call these functions from elsewhere in the library (use * nbd_internal_is_* and nbd_internal_aio_get_direction instead). */ int nbd_unlocked_aio_is_created (struct nbd_handle *h) { return nbd_internal_is_state_created (get_public_state (h)); } int nbd_unlocked_aio_is_connecting (struct nbd_handle *h) { return nbd_internal_is_state_connecting (get_public_state (h)); } int nbd_unlocked_aio_is_negotiating (struct nbd_handle *h) { return nbd_internal_is_state_negotiating (get_public_state (h)); } int nbd_unlocked_aio_is_ready (struct nbd_handle *h) { return nbd_internal_is_state_ready (get_public_state (h)); } int nbd_unlocked_aio_is_processing (struct nbd_handle *h) { return nbd_internal_is_state_processing (get_public_state (h)); } int nbd_unlocked_aio_is_dead (struct nbd_handle *h) { return nbd_internal_is_state_dead (get_public_state (h)); } int nbd_unlocked_aio_is_closed (struct nbd_handle *h) { return nbd_internal_is_state_closed (get_public_state (h)); } unsigned nbd_unlocked_aio_get_direction (struct nbd_handle *h) { return nbd_internal_aio_get_direction (get_public_state (h)); } libnbd-1.22.2/lib/nbd-protocol.h0000644000175000017500000003030514525371754012050 /* nbdkit * Copyright Red Hat * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * * Neither the name of Red Hat nor the names of its contributors may be * used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef NBD_PROTOCOL_H #define NBD_PROTOCOL_H #include /* Note that all NBD fields are sent on the wire in network byte * order, so you must use beXXtoh or htobeXX when reading or writing * these structures. */ #if defined (__GNUC__) || defined (__clang__) #define NBD_ATTRIBUTE_PACKED __attribute__ ((__packed__)) #else #error "Please port to your compiler's notion of a packed struct" #endif #define NBD_MAX_STRING 4096 /* Maximum length of a string field */ /* Old-style handshake. */ struct nbd_old_handshake { uint64_t nbdmagic; /* NBD_MAGIC */ uint64_t version; /* NBD_OLD_VERSION */ uint64_t exportsize; uint16_t gflags; /* global flags */ uint16_t eflags; /* per-export flags */ char zeroes[124]; /* must be sent as zero bytes */ } NBD_ATTRIBUTE_PACKED; #define NBD_MAGIC UINT64_C (0x4e42444d41474943) /* ASCII "NBDMAGIC" */ #define NBD_OLD_VERSION UINT64_C (0x0000420281861253) /* New-style handshake. */ struct nbd_new_handshake { uint64_t nbdmagic; /* NBD_MAGIC */ uint64_t version; /* NBD_NEW_VERSION */ uint16_t gflags; /* global flags */ } NBD_ATTRIBUTE_PACKED; #define NBD_NEW_VERSION UINT64_C (0x49484156454F5054) /* ASCII "IHAVEOPT" */ /* New-style handshake option (sent by the client to us). */ struct nbd_new_option { uint64_t version; /* NBD_NEW_VERSION */ uint32_t option; /* NBD_OPT_* */ uint32_t optlen; /* option data length */ /* option data follows */ } NBD_ATTRIBUTE_PACKED; /* Newstyle handshake OPT_EXPORT_NAME reply message. * Modern clients use NBD_OPT_GO instead of this. */ struct nbd_export_name_option_reply { uint64_t exportsize; /* size of export */ uint16_t eflags; /* per-export flags */ char zeroes[124]; /* optional zeroes, unless NBD_FLAG_NO_ZEROES */ } NBD_ATTRIBUTE_PACKED; /* Fixed newstyle handshake reply message. */ struct nbd_fixed_new_option_reply { uint64_t magic; /* NBD_REP_MAGIC */ uint32_t option; /* option we are replying to */ uint32_t reply; /* NBD_REP_* */ uint32_t replylen; } NBD_ATTRIBUTE_PACKED; #define NBD_REP_MAGIC UINT64_C (0x3e889045565a9) /* Global flags. */ #define NBD_FLAG_FIXED_NEWSTYLE (1U << 0) #define NBD_FLAG_NO_ZEROES (1U << 1) /* Per-export flags. */ #define NBD_FLAG_HAS_FLAGS (1U << 0) #define NBD_FLAG_READ_ONLY (1U << 1) #define NBD_FLAG_SEND_FLUSH (1U << 2) #define NBD_FLAG_SEND_FUA (1U << 3) #define NBD_FLAG_ROTATIONAL (1U << 4) #define NBD_FLAG_SEND_TRIM (1U << 5) #define NBD_FLAG_SEND_WRITE_ZEROES (1U << 6) #define NBD_FLAG_SEND_DF (1U << 7) #define NBD_FLAG_CAN_MULTI_CONN (1U << 8) #define NBD_FLAG_SEND_CACHE (1U << 10) #define NBD_FLAG_SEND_FAST_ZERO (1U << 11) #define NBD_FLAG_BLOCK_STATUS_PAYLOAD (1U << 12) /* NBD options (new style handshake only). */ #define NBD_OPT_EXPORT_NAME 1 #define NBD_OPT_ABORT 2 #define NBD_OPT_LIST 3 #define NBD_OPT_STARTTLS 5 #define NBD_OPT_INFO 6 #define NBD_OPT_GO 7 #define NBD_OPT_STRUCTURED_REPLY 8 #define NBD_OPT_LIST_META_CONTEXT 9 #define NBD_OPT_SET_META_CONTEXT 10 #define NBD_OPT_EXTENDED_HEADERS 11 #define NBD_REP_ERR(val) (0x80000000 | (val)) #define NBD_REP_IS_ERR(val) (!!((val) & 0x80000000)) #define NBD_REP_ACK 1 #define NBD_REP_SERVER 2 #define NBD_REP_INFO 3 #define NBD_REP_META_CONTEXT 4 #define NBD_REP_ERR_UNSUP NBD_REP_ERR (1) #define NBD_REP_ERR_POLICY NBD_REP_ERR (2) #define NBD_REP_ERR_INVALID NBD_REP_ERR (3) #define NBD_REP_ERR_PLATFORM NBD_REP_ERR (4) #define NBD_REP_ERR_TLS_REQD NBD_REP_ERR (5) #define NBD_REP_ERR_UNKNOWN NBD_REP_ERR (6) #define NBD_REP_ERR_SHUTDOWN NBD_REP_ERR (7) #define NBD_REP_ERR_BLOCK_SIZE_REQD NBD_REP_ERR (8) #define NBD_REP_ERR_TOO_BIG NBD_REP_ERR (9) #define NBD_REP_ERR_EXT_HEADER_REQD NBD_REP_ERR (10) #define NBD_INFO_EXPORT 0 #define NBD_INFO_NAME 1 #define NBD_INFO_DESCRIPTION 2 #define NBD_INFO_BLOCK_SIZE 3 /* NBD_INFO_EXPORT reply (follows fixed_new_option_reply). */ struct nbd_fixed_new_option_reply_info_export { uint16_t info; /* NBD_INFO_EXPORT */ uint64_t exportsize; /* size of export */ uint16_t eflags; /* per-export flags */ } NBD_ATTRIBUTE_PACKED; /* NBD_INFO_NAME or NBD_INFO_DESCRIPTION reply (follows * fixed_new_option_reply). */ struct nbd_fixed_new_option_reply_info_name_or_desc { uint16_t info; /* NBD_INFO_NAME, NBD_INFO_DESCRIPTION */ /* followed by a string name or description */ } NBD_ATTRIBUTE_PACKED; /* NBD_INFO_BLOCK_SIZE reply (follows fixed_new_option_reply). */ struct nbd_fixed_new_option_reply_info_block_size { uint16_t info; /* NBD_INFO_BLOCK_SIZE */ uint32_t minimum; /* minimum block size */ uint32_t preferred; /* preferred block size */ uint32_t maximum; /* maximum block size */ } NBD_ATTRIBUTE_PACKED; /* NBD_REP_SERVER reply (follows fixed_new_option_reply). */ struct nbd_fixed_new_option_reply_server { uint32_t export_name_len; /* length of export name */ /* followed by a string export name and description */ } NBD_ATTRIBUTE_PACKED; /* NBD_REP_META_CONTEXT reply (follows fixed_new_option_reply). */ struct nbd_fixed_new_option_reply_meta_context { uint32_t context_id; /* metadata context ID */ /* followed by a string */ } NBD_ATTRIBUTE_PACKED; /* Compact request (client -> server). */ struct nbd_request { uint32_t magic; /* NBD_REQUEST_MAGIC. */ uint16_t flags; /* Request flags: NBD_CMD_FLAG_*. */ uint16_t type; /* Request type: NBD_CMD_*. */ uint64_t cookie; /* Opaque handle. */ uint64_t offset; /* Request offset. */ uint32_t count; /* Request length. */ } NBD_ATTRIBUTE_PACKED; /* Extended request (client -> server). */ struct nbd_request_ext { uint32_t magic; /* NBD_EXTENDED_REQUEST_MAGIC. */ uint16_t flags; /* Request flags: NBD_CMD_FLAG_*. */ uint16_t type; /* Request type: NBD_CMD_*. */ uint64_t cookie; /* Opaque handle. */ uint64_t offset; /* Request offset. */ uint64_t count; /* Request effect or payload length. */ } NBD_ATTRIBUTE_PACKED; /* Extended request payload for NBD_CMD_BLOCK_STATUS, when supported. */ struct nbd_block_status_payload { uint64_t length; /* Effective length of client request */ /* followed by array of uint32_t ids */ } NBD_ATTRIBUTE_PACKED; /* Simple reply (server -> client). */ struct nbd_simple_reply { uint32_t magic; /* NBD_SIMPLE_REPLY_MAGIC. */ uint32_t error; /* NBD_SUCCESS or one of NBD_E*. */ uint64_t cookie; /* Opaque handle. */ } NBD_ATTRIBUTE_PACKED; /* Structured reply (server -> client). */ struct nbd_structured_reply { uint32_t magic; /* NBD_STRUCTURED_REPLY_MAGIC. */ uint16_t flags; /* NBD_REPLY_FLAG_* */ uint16_t type; /* NBD_REPLY_TYPE_* */ uint64_t cookie; /* Opaque handle. */ uint32_t length; /* Length of following nbd_chunk_* payload. */ } NBD_ATTRIBUTE_PACKED; /* Extended reply (server -> client). */ struct nbd_extended_reply { uint32_t magic; /* NBD_EXTENDED_REPLY_MAGIC. */ uint16_t flags; /* NBD_REPLY_FLAG_* */ uint16_t type; /* NBD_REPLY_TYPE_* */ uint64_t cookie; /* Opaque handle. */ uint64_t offset; /* Client's offset. */ uint64_t length; /* Length of following nbd_chunk_* payload. */ } NBD_ATTRIBUTE_PACKED; struct nbd_chunk_offset_data { uint64_t offset; /* offset */ /* Followed by data. */ } NBD_ATTRIBUTE_PACKED; struct nbd_chunk_offset_hole { uint64_t offset; uint32_t length; /* Length of hole. */ } NBD_ATTRIBUTE_PACKED; struct nbd_chunk_block_status_32 { uint32_t context_id; /* metadata context ID */ /* followed by array of nbd_block_descriptor_32 extents */ } NBD_ATTRIBUTE_PACKED; struct nbd_block_descriptor_32 { uint32_t length; /* length of block */ uint32_t status_flags; /* block type (hole etc) */ } NBD_ATTRIBUTE_PACKED; struct nbd_chunk_block_status_64 { uint32_t context_id; /* metadata context ID */ uint32_t count; /* non-zero descriptor count */ /* followed by nbd_block_descriptor_64[count] extents */ } NBD_ATTRIBUTE_PACKED; struct nbd_block_descriptor_64 { uint64_t length; /* length of block */ uint64_t status_flags; /* block type (hole etc) */ } NBD_ATTRIBUTE_PACKED; struct nbd_chunk_error { uint32_t error; /* NBD_E* error number */ uint16_t len; /* Length of human readable error. */ /* Followed by human readable error string, and possibly more structure. */ } NBD_ATTRIBUTE_PACKED; #define NBD_REQUEST_MAGIC 0x25609513 #define NBD_EXTENDED_REQUEST_MAGIC 0x21e41c71 #define NBD_SIMPLE_REPLY_MAGIC 0x67446698 #define NBD_STRUCTURED_REPLY_MAGIC 0x668e33ef #define NBD_EXTENDED_REPLY_MAGIC 0x6e8a278c /* Structured reply flags. */ #define NBD_REPLY_FLAG_DONE (1U << 0) #define NBD_REPLY_TYPE_ERR(val) ((1U<<15) | (val)) #define NBD_REPLY_TYPE_IS_ERR(val) (!!((val) & (1U<<15))) /* Structured reply types. */ #define NBD_REPLY_TYPE_NONE 0 #define NBD_REPLY_TYPE_OFFSET_DATA 1 #define NBD_REPLY_TYPE_OFFSET_HOLE 2 #define NBD_REPLY_TYPE_BLOCK_STATUS 5 #define NBD_REPLY_TYPE_BLOCK_STATUS_EXT 6 #define NBD_REPLY_TYPE_ERROR NBD_REPLY_TYPE_ERR (1) #define NBD_REPLY_TYPE_ERROR_OFFSET NBD_REPLY_TYPE_ERR (2) /* NBD commands. */ #define NBD_CMD_READ 0 #define NBD_CMD_WRITE 1 #define NBD_CMD_DISC 2 /* Disconnect. */ #define NBD_CMD_FLUSH 3 #define NBD_CMD_TRIM 4 #define NBD_CMD_CACHE 5 #define NBD_CMD_WRITE_ZEROES 6 #define NBD_CMD_BLOCK_STATUS 7 #define NBD_CMD_FLAG_FUA (1U << 0) #define NBD_CMD_FLAG_NO_HOLE (1U << 1) #define NBD_CMD_FLAG_DF (1U << 2) #define NBD_CMD_FLAG_REQ_ONE (1U << 3) #define NBD_CMD_FLAG_FAST_ZERO (1U << 4) #define NBD_CMD_FLAG_PAYLOAD_LEN (1U << 5) /* NBD error codes. */ #define NBD_SUCCESS 0 #define NBD_EPERM 1 #define NBD_EIO 5 #define NBD_ENOMEM 12 #define NBD_EINVAL 22 #define NBD_ENOSPC 28 #define NBD_EOVERFLOW 75 #define NBD_ENOTSUP 95 #define NBD_ESHUTDOWN 108 #endif /* NBD_PROTOCOL_H */ libnbd-1.22.2/lib/opt.c0000644000175000017500000003666214650443423010247 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include "internal.h" static int opt_meta_context_queries (struct nbd_handle *h, uint32_t opt, char **queries, nbd_context_callback *context) LIBNBD_ATTRIBUTE_NONNULL (1, 4); static int aio_opt_meta_context_queries (struct nbd_handle *h, uint32_t opt, char **queries, nbd_context_callback *context, nbd_completion_callback *complete) LIBNBD_ATTRIBUTE_NONNULL (1, 4, 5); /* Internal function which frees an option with callback. */ void nbd_internal_free_option (struct nbd_handle *h) { if (h->opt_current == NBD_OPT_LIST) FREE_CALLBACK (h->opt_cb.fn.list); else if (h->opt_current == NBD_OPT_LIST_META_CONTEXT || h->opt_current == NBD_OPT_SET_META_CONTEXT) FREE_CALLBACK (h->opt_cb.fn.context); FREE_CALLBACK (h->opt_cb.completion); } int nbd_unlocked_set_opt_mode (struct nbd_handle *h, bool value) { h->opt_mode = value; return 0; } /* NB: may_set_error = false. */ int nbd_unlocked_get_opt_mode (struct nbd_handle *h) { return h->opt_mode; } static int wait_for_option (struct nbd_handle *h) { while (nbd_internal_is_state_connecting (get_next_state (h))) { if (nbd_unlocked_poll (h, -1) == -1) return -1; } return 0; } static int go_complete (void *opaque, int *err) { int *i = opaque; *i = *err; return 0; } /* Issue NBD_OPT_GO (or NBD_OPT_EXPORT_NAME) and wait for the reply. */ int nbd_unlocked_opt_go (struct nbd_handle *h) { int err = 0; nbd_completion_callback c = { .callback = go_complete, .user_data = &err }; int r = nbd_unlocked_aio_opt_go (h, &c); if (r == -1) return r; r = wait_for_option (h); if (r == 0 && err) { assert (nbd_internal_is_state_negotiating (get_next_state (h)) || nbd_internal_is_state_dead (get_next_state (h))); /* handle_reply_error already called set_error */ return -1; } if (r == 0) assert (nbd_internal_is_state_ready (get_next_state (h))); return r; } /* Issue NBD_OPT_INFO and wait for the reply. */ int nbd_unlocked_opt_info (struct nbd_handle *h) { int err = 0; nbd_completion_callback c = { .callback = go_complete, .user_data = &err }; int r = nbd_unlocked_aio_opt_info (h, &c); if (r == -1) return r; r = wait_for_option (h); if (r == 0 && err) { assert (nbd_internal_is_state_negotiating (get_next_state (h)) || nbd_internal_is_state_dead (get_next_state (h))); /* handle_reply_error already called set_error */ return -1; } return r; } /* Issue NBD_OPT_ABORT and wait for the state change. */ int nbd_unlocked_opt_abort (struct nbd_handle *h) { int r = nbd_unlocked_aio_opt_abort (h); if (r == -1) return r; return wait_for_option (h); } /* Issue NBD_OPT_STARTTLS and wait for the reply. */ int nbd_unlocked_opt_starttls (struct nbd_handle *h) { int err = 0; nbd_completion_callback c = { .callback = go_complete, .user_data = &err }; int r = nbd_unlocked_aio_opt_starttls (h, &c); if (r == -1) return r; r = wait_for_option (h); if (r == 0) { if (nbd_internal_is_state_negotiating (get_next_state (h))) r = err == 0; else { assert (nbd_internal_is_state_dead (get_next_state (h))); set_error (err, "failed to get response to opt_starttls request"); r = -1; } } return r; } /* Issue NBD_OPT_EXTENDED_HEADERS and wait for the reply. */ int nbd_unlocked_opt_extended_headers (struct nbd_handle *h) { int err; nbd_completion_callback c = { .callback = go_complete, .user_data = &err }; int r = nbd_unlocked_aio_opt_extended_headers (h, &c); if (r == -1) return r; r = wait_for_option (h); if (r == 0) { if (nbd_internal_is_state_negotiating (get_next_state (h))) r = err == 0; else { assert (nbd_internal_is_state_dead (get_next_state (h))); set_error (err, "failed to get response to opt_extended_headers request"); r = -1; } } return r; } /* Issue NBD_OPT_STRUCTURED_REPLY and wait for the reply. */ int nbd_unlocked_opt_structured_reply (struct nbd_handle *h) { int err = 0; nbd_completion_callback c = { .callback = go_complete, .user_data = &err }; int r = nbd_unlocked_aio_opt_structured_reply (h, &c); if (r == -1) return r; r = wait_for_option (h); if (r == 0) { if (nbd_internal_is_state_negotiating (get_next_state (h))) r = err == 0; else { assert (nbd_internal_is_state_dead (get_next_state (h))); set_error (err, "failed to get response to opt_structured_reply request"); r = -1; } } return r; } struct list_helper { int count; nbd_list_callback list; int err; }; static int list_visitor (void *opaque, const char *name, const char *description) { struct list_helper *h = opaque; if (h->count < INT_MAX) h->count++; CALL_CALLBACK (h->list, name, description); return 0; } static int list_complete (void *opaque, int *err) { struct list_helper *h = opaque; h->err = *err; FREE_CALLBACK (h->list); return 0; } /* Issue NBD_OPT_LIST and wait for the reply. */ int nbd_unlocked_opt_list (struct nbd_handle *h, nbd_list_callback *list) { struct list_helper s = { .list = *list }; nbd_list_callback l = { .callback = list_visitor, .user_data = &s }; nbd_completion_callback c = { .callback = list_complete, .user_data = &s }; if (nbd_unlocked_aio_opt_list (h, &l, &c) == -1) return -1; assert (CALLBACK_IS_NULL (l)); SET_CALLBACK_TO_NULL (*list); if (wait_for_option (h) == -1) return -1; if (s.err) { set_error (s.err, "server replied with error to list request"); return -1; } return s.count; } struct context_helper { int count; nbd_context_callback context; int err; }; static int context_visitor (void *opaque, const char *name) { struct context_helper *h = opaque; if (h->count < INT_MAX) h->count++; CALL_CALLBACK (h->context, name); return 0; } static int context_complete (void *opaque, int *err) { struct context_helper *h = opaque; h->err = *err; FREE_CALLBACK (h->context); return 0; } static int opt_meta_context_queries (struct nbd_handle *h, uint32_t opt, char **queries, nbd_context_callback *context) { struct context_helper s = { .context = *context }; nbd_context_callback l = { .callback = context_visitor, .user_data = &s }; nbd_completion_callback c = { .callback = context_complete, .user_data = &s }; if (aio_opt_meta_context_queries (h, opt, queries, &l, &c) == -1) return -1; assert (CALLBACK_IS_NULL (l)); SET_CALLBACK_TO_NULL (*context); if (wait_for_option (h) == -1) return -1; if (s.err) { set_error (s.err, "server replied with error to meta context request"); return -1; } return s.count; } /* Issue NBD_OPT_LIST_META_CONTEXT and wait for the reply. */ int nbd_unlocked_opt_list_meta_context (struct nbd_handle *h, nbd_context_callback *context) { return opt_meta_context_queries (h, NBD_OPT_LIST_META_CONTEXT, NULL, context); } /* Issue NBD_OPT_LIST_META_CONTEXT and wait for the reply. */ int nbd_unlocked_opt_list_meta_context_queries (struct nbd_handle *h, char **queries, nbd_context_callback *context) { return opt_meta_context_queries (h, NBD_OPT_LIST_META_CONTEXT, queries, context); } /* Issue NBD_OPT_SET_META_CONTEXT and wait for the reply. */ int nbd_unlocked_opt_set_meta_context (struct nbd_handle *h, nbd_context_callback *context) { return opt_meta_context_queries (h, NBD_OPT_SET_META_CONTEXT, NULL, context); } /* Issue NBD_OPT_SET_META_CONTEXT and wait for the reply. */ int nbd_unlocked_opt_set_meta_context_queries (struct nbd_handle *h, char **queries, nbd_context_callback *context) { return opt_meta_context_queries (h, NBD_OPT_SET_META_CONTEXT, queries, context); } /* Issue NBD_OPT_GO (or NBD_OPT_EXPORT_NAME) without waiting. */ int nbd_unlocked_aio_opt_go (struct nbd_handle *h, nbd_completion_callback *complete) { h->opt_current = NBD_OPT_GO; h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } /* Issue NBD_OPT_INFO without waiting. */ int nbd_unlocked_aio_opt_info (struct nbd_handle *h, nbd_completion_callback *complete) { if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { set_error (ENOTSUP, "server is not using fixed newstyle protocol"); return -1; } h->opt_current = NBD_OPT_INFO; h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } /* Issue NBD_OPT_ABORT without waiting. */ int nbd_unlocked_aio_opt_abort (struct nbd_handle *h) { h->opt_current = NBD_OPT_ABORT; if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } /* Issue NBD_OPT_STARTTLS without waiting. */ int nbd_unlocked_aio_opt_starttls (struct nbd_handle *h, nbd_completion_callback *complete) { if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { set_error (ENOTSUP, "server is not using fixed newstyle protocol"); return -1; } #ifndef HAVE_GNUTLS set_error (ENOTSUP, "libnbd was compiled without TLS support"); return -1; #else h->opt_current = NBD_OPT_STARTTLS; h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; #endif } /* Issue NBD_OPT_EXTENDED_HEADERS without waiting. */ int nbd_unlocked_aio_opt_extended_headers (struct nbd_handle *h, nbd_completion_callback *complete) { if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { set_error (ENOTSUP, "server is not using fixed newstyle protocol"); return -1; } h->opt_current = NBD_OPT_EXTENDED_HEADERS; h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } /* Issue NBD_OPT_STRUCTURED_REPLY without waiting. */ int nbd_unlocked_aio_opt_structured_reply (struct nbd_handle *h, nbd_completion_callback *complete) { if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { set_error (ENOTSUP, "server is not using fixed newstyle protocol"); return -1; } h->opt_current = NBD_OPT_STRUCTURED_REPLY; h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } /* Issue NBD_OPT_LIST without waiting. */ int nbd_unlocked_aio_opt_list (struct nbd_handle *h, nbd_list_callback *list, nbd_completion_callback *complete) { if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { set_error (ENOTSUP, "server is not using fixed newstyle protocol"); return -1; } assert (CALLBACK_IS_NULL (h->opt_cb.fn.list)); h->opt_cb.fn.list = *list; SET_CALLBACK_TO_NULL (*list); h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); h->opt_current = NBD_OPT_LIST; if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } static int aio_opt_meta_context_queries (struct nbd_handle *h, uint32_t opt, char **queries, nbd_context_callback *context, nbd_completion_callback *complete) { if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { set_error (ENOTSUP, "server is not using fixed newstyle protocol"); return -1; } if (nbd_internal_set_querylist (h, queries) == -1) return -1; assert (CALLBACK_IS_NULL (h->opt_cb.fn.context)); h->opt_cb.fn.context = *context; SET_CALLBACK_TO_NULL (*context); h->opt_cb.completion = *complete; SET_CALLBACK_TO_NULL (*complete); h->opt_current = opt; if (nbd_internal_run (h, cmd_issue) == -1) debug (h, "option queued, ignoring state machine failure"); return 0; } /* Issue NBD_OPT_LIST_META_CONTEXT without waiting. */ int nbd_unlocked_aio_opt_list_meta_context (struct nbd_handle *h, nbd_context_callback *context, nbd_completion_callback *complete) { return aio_opt_meta_context_queries (h, NBD_OPT_LIST_META_CONTEXT, NULL, context, complete); } /* Issue NBD_OPT_LIST_META_CONTEXT without waiting. */ int nbd_unlocked_aio_opt_list_meta_context_queries (struct nbd_handle *h, char **queries, nbd_context_callback *context, nbd_completion_callback *compl) { return aio_opt_meta_context_queries (h, NBD_OPT_LIST_META_CONTEXT, queries, context, compl); } /* Issue NBD_OPT_SET_META_CONTEXT without waiting. */ int nbd_unlocked_aio_opt_set_meta_context (struct nbd_handle *h, nbd_context_callback *context, nbd_completion_callback *complete) { return aio_opt_meta_context_queries (h, NBD_OPT_SET_META_CONTEXT, NULL, context, complete); } /* Issue NBD_OPT_SET_META_CONTEXT without waiting. */ int nbd_unlocked_aio_opt_set_meta_context_queries (struct nbd_handle *h, char **queries, nbd_context_callback *context, nbd_completion_callback *compl) { return aio_opt_meta_context_queries (h, NBD_OPT_SET_META_CONTEXT, queries, context, compl); } libnbd-1.22.2/lib/poll.c0000644000175000017500000000630414525371754010411 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include "internal.h" /* A simple main loop implementation using poll(2). */ static int do_poll (struct nbd_handle *h, int extra_fd, int timeout) { struct pollfd fds[2]; int r; /* fd might be negative, and poll will ignore it. */ fds[0].fd = nbd_unlocked_aio_get_fd (h); fds[1].fd = extra_fd; fds[1].events = POLLIN; fds[1].revents = 0; switch (nbd_internal_aio_get_direction (get_next_state (h))) { case LIBNBD_AIO_DIRECTION_READ: fds[0].events = POLLIN; break; case LIBNBD_AIO_DIRECTION_WRITE: fds[0].events = POLLOUT; break; case LIBNBD_AIO_DIRECTION_BOTH: fds[0].events = POLLIN|POLLOUT; break; default: set_error (EINVAL, "nothing to poll for in state %s", nbd_internal_state_short_string (get_next_state (h))); return -1; } fds[0].revents = 0; debug (h, "poll start: events=%x", fds[0].events); /* Note that it's not safe to release the handle lock here, as it * would allow other threads to close file descriptors which we have * passed to poll. */ do { r = poll (fds, 2, timeout); debug (h, "poll end: r=%d revents=%x", r, fds[0].revents); } while (r == -1 && errno == EINTR); if (r == -1) { set_error (errno, "poll"); return -1; } if (r == 0) return 0; /* POLLIN and POLLOUT might both be set. However we shouldn't call * both nbd_aio_notify_read and nbd_aio_notify_write at this time * since the first might change the handle state, making the second * notification invalid. Nothing bad happens by ignoring one of the * notifications since if it's still valid it will be picked up by a * subsequent poll. Prefer notifying on read, since the reply is * for a command older than what we are trying to write. */ r = 0; if ((fds[0].revents & (POLLIN | POLLHUP)) != 0) r = nbd_unlocked_aio_notify_read (h); else if ((fds[0].revents & POLLOUT) != 0) r = nbd_unlocked_aio_notify_write (h); else if ((fds[0].revents & (POLLERR | POLLNVAL)) != 0) { set_error (ENOTCONN, "server closed socket unexpectedly"); return -1; } if (r == -1) return -1; return 1; } int nbd_unlocked_poll (struct nbd_handle *h, int timeout) { return do_poll (h, -1, timeout); } int nbd_unlocked_poll2 (struct nbd_handle *h, int fd, int timeout) { return do_poll (h, fd, timeout); } libnbd-1.22.2/lib/protocol.c0000644000175000017500000000362514615732571011305 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include "internal.h" int nbd_internal_errno_of_nbd_error (uint32_t error) { switch (error) { case NBD_SUCCESS: return 0; case NBD_EPERM: return EPERM; case NBD_EIO: return EIO; case NBD_ENOMEM: return ENOMEM; case NBD_EINVAL: return EINVAL; case NBD_ENOSPC: return ENOSPC; case NBD_EOVERFLOW: return EOVERFLOW; case NBD_ENOTSUP: return ENOTSUP; case NBD_ESHUTDOWN: return ESHUTDOWN; default: return EINVAL; } } /* XXX In nbdkit this function is generated from the nbd-protocol.h * header file. We should unify this across the two programs. */ const char * nbd_internal_name_of_nbd_cmd (uint16_t type) { switch (type) { case NBD_CMD_READ: return "read"; case NBD_CMD_WRITE: return "write"; case NBD_CMD_DISC: return "disconnect"; case NBD_CMD_FLUSH: return "flush"; case NBD_CMD_TRIM: return "trim"; case NBD_CMD_CACHE: return "cache"; case NBD_CMD_WRITE_ZEROES: return "write-zeroes"; case NBD_CMD_BLOCK_STATUS: return "block-status"; default: return "UNKNOWN!"; } } libnbd-1.22.2/lib/rw.c0000644000175000017500000005240614525371754010077 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include "internal.h" static int wait_for_command (struct nbd_handle *h, int64_t cookie) { int r; while ((r = nbd_unlocked_aio_command_completed (h, cookie)) == 0) { if (nbd_unlocked_poll (h, -1) == -1) return -1; } return r == -1 ? -1 : 0; } /* Issue a read command and wait for the reply. */ int nbd_unlocked_pread (struct nbd_handle *h, void *buf, size_t count, uint64_t offset, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_pread (h, buf, count, offset, &c, flags); if (cookie == -1) return -1; return wait_for_command (h, cookie); } /* Issue a read command with callbacks and wait for the reply. */ int nbd_unlocked_pread_structured (struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_chunk_callback *chunk, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_pread_structured (h, buf, count, offset, chunk, &c, flags); if (cookie == -1) return -1; assert (CALLBACK_IS_NULL (*chunk)); return wait_for_command (h, cookie); } /* Issue a write command and wait for the reply. */ int nbd_unlocked_pwrite (struct nbd_handle *h, const void *buf, size_t count, uint64_t offset, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_pwrite (h, buf, count, offset, &c, flags); if (cookie == -1) return -1; return wait_for_command (h, cookie); } /* Issue a flush command and wait for the reply. */ int nbd_unlocked_flush (struct nbd_handle *h, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_flush (h, &c, flags); if (cookie == -1) return -1; return wait_for_command (h, cookie); } /* Issue a trim command and wait for the reply. */ int nbd_unlocked_trim (struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_trim (h, count, offset, &c, flags); if (cookie == -1) return -1; return wait_for_command (h, cookie); } /* Issue a cache command and wait for the reply. */ int nbd_unlocked_cache (struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_cache (h, count, offset, &c, flags); if (cookie == -1) return -1; return wait_for_command (h, cookie); } /* Issue a zero command and wait for the reply. */ int nbd_unlocked_zero (struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_zero (h, count, offset, &c, flags); if (cookie == -1) return -1; return wait_for_command (h, cookie); } /* Issue a block status command and wait for the reply, 32-bit callback. */ int nbd_unlocked_block_status (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent_callback *extent, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_block_status (h, count, offset, extent, &c, flags); if (cookie == -1) return -1; assert (CALLBACK_IS_NULL (*extent)); return wait_for_command (h, cookie); } /* Issue a block status command and wait for the reply, 64-bit callback. */ int nbd_unlocked_block_status_64 (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent64_callback *extent64, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_block_status_64 (h, count, offset, extent64, &c, flags); if (cookie == -1) return -1; assert (CALLBACK_IS_NULL (*extent64)); return wait_for_command (h, cookie); } /* Issue a filtered block status command and wait for the reply. */ int nbd_unlocked_block_status_filter (struct nbd_handle *h, uint64_t count, uint64_t offset, char **filter, nbd_extent64_callback *extent64, uint32_t flags) { int64_t cookie; nbd_completion_callback c = NBD_NULL_COMPLETION; cookie = nbd_unlocked_aio_block_status_filter (h, count, offset, filter, extent64, &c, flags); if (cookie == -1) return -1; assert (CALLBACK_IS_NULL (*extent64)); return wait_for_command (h, cookie); } /* count_err represents the errno to return if bounds check fail */ int64_t nbd_internal_command_common (struct nbd_handle *h, uint16_t flags, uint16_t type, uint64_t offset, uint64_t count, int count_err, void *data, struct command_cb *cb) { struct command *cmd; uint32_vector *ids = NULL; if (h->disconnect_request) { set_error (EINVAL, "cannot request more commands after NBD_CMD_DISC"); goto err; } if (h->in_flight == INT_MAX) { set_error (ENOMEM, "too many commands already in flight"); goto err; } if (count_err) { if ((h->strict & LIBNBD_STRICT_ZERO_SIZE) && count == 0) { set_error (EINVAL, "count cannot be 0"); goto err; } if ((h->strict & LIBNBD_STRICT_BOUNDS) && (offset > h->exportsize || count > h->exportsize - offset)) { set_error (count_err, "request out of bounds"); goto err; } if (h->block_minimum && (h->strict & LIBNBD_STRICT_ALIGN) && (offset | count) & (h->block_minimum - 1)) { set_error (EINVAL, "request is unaligned"); goto err; } } switch (type) { /* Commands which send or receive data are limited to MAX_REQUEST_SIZE. */ case NBD_CMD_WRITE: if (h->strict & LIBNBD_STRICT_PAYLOAD && count > h->payload_maximum) { set_error (ERANGE, "request too large: maximum payload size is %" PRIu32, h->payload_maximum); goto err; } /* fallthrough */ case NBD_CMD_READ: if (count > MAX_REQUEST_SIZE) { set_error (ERANGE, "request too large: maximum request size is %d", MAX_REQUEST_SIZE); goto err; } break; case NBD_CMD_BLOCK_STATUS: if (data) { ids = data; count = ids->len * sizeof (uint32_t); data = ids->ptr; if (count > MAX_REQUEST_SIZE || (h->strict & LIBNBD_STRICT_PAYLOAD && count > h->payload_maximum)) { set_error (ERANGE, "filter set too large"); goto err; } break; } /* fallthrough */ default: /* Other commands are limited by the 32 bit field in the command * structure on the wire, unless extended headers were negotiated. */ if (!h->extended_headers && count > UINT32_MAX) { set_error (ERANGE, "request too large: maximum request size is %" PRIu32, UINT32_MAX); goto err; } break; } cmd = calloc (1, sizeof *cmd); if (cmd == NULL) { set_error (errno, "calloc"); goto err; } cmd->flags = flags; cmd->type = type; cmd->cookie = h->unique++; cmd->offset = offset; cmd->count = count; cmd->data = data; cmd->ids = ids; if (cb) cmd->cb = *cb; /* For NBD_CMD_READ, cmd->data defaults to being pre-zeroed in the * prologue created by the generator. Thus, if a (non-compliant) * server with structured replies fails to send back sufficient data * to cover the whole buffer, we still behave as if it had sent * zeroes for those portions, rather than leaking any uninitialized * data, and without having to complicate our state machine to track * which portions of the read buffer were actually populated. But * if the user opts in to disabling set_pread_initialize, then we * need to memset zeroes as they are read (and the user gets their * own garbage back in the case of a non-compliant server). */ cmd->initialized = h->pread_initialize; /* Add the command to the end of the queue. Kick the state machine * if there is no other command being processed, otherwise, it will * be handled automatically on a future cycle around to READY. * Beyond this point, we have to return a cookie to the user, since * we are queuing the command, even if kicking the state machine * detects a failure. Not reporting a state machine failure here is * okay - any caller of an async command will be calling more API to * await results, and will eventually learn that the machine has * moved on to DEAD at that time. */ h->in_flight++; if (h->cmds_to_issue != NULL) { assert (nbd_internal_is_state_processing (get_next_state (h))); h->cmds_to_issue_tail = h->cmds_to_issue_tail->next = cmd; } else { assert (h->cmds_to_issue_tail == NULL); h->cmds_to_issue = h->cmds_to_issue_tail = cmd; if (nbd_internal_is_state_ready (get_next_state (h)) && nbd_internal_run (h, cmd_issue) == -1) debug (h, "command queued, ignoring state machine failure"); } return cmd->cookie; err: /* Since we did not queue the command, we must free the callbacks. */ if (cb) { if (type == NBD_CMD_BLOCK_STATUS) { if (cb->wide) FREE_CALLBACK (cb->fn.extent32); else FREE_CALLBACK (cb->fn.extent64); if (ids) { uint32_vector_reset (ids); free (ids); } } if (type == NBD_CMD_READ) FREE_CALLBACK (cb->fn.chunk); FREE_CALLBACK (cb->completion); } return -1; } int64_t nbd_unlocked_aio_pread (struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .completion = *completion }; SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_READ, offset, count, EINVAL, buf, &cb); } int64_t nbd_unlocked_aio_pread_structured (struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_chunk_callback *chunk, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .fn.chunk = *chunk, .completion = *completion }; if (h->strict & LIBNBD_STRICT_COMMANDS) { if ((flags & LIBNBD_CMD_FLAG_DF) != 0 && nbd_unlocked_can_df (h) != 1) { set_error (EINVAL, "server does not support the DF flag"); return -1; } } SET_CALLBACK_TO_NULL (*chunk); SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_READ, offset, count, EINVAL, buf, &cb); } int64_t nbd_unlocked_aio_pwrite (struct nbd_handle *h, const void *buf, size_t count, uint64_t offset, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .completion = *completion }; if (h->strict & LIBNBD_STRICT_AUTO_FLAG) { /* It is more convenient to manage PAYLOAD_LEN by what was negotiated * than to require the user to have to set it correctly. */ if (h->extended_headers) flags |= LIBNBD_CMD_FLAG_PAYLOAD_LEN; else flags &= ~LIBNBD_CMD_FLAG_PAYLOAD_LEN; } if (h->strict & LIBNBD_STRICT_COMMANDS) { if (nbd_unlocked_is_read_only (h) == 1) { set_error (EPERM, "server does not support write operations"); return -1; } if ((flags & LIBNBD_CMD_FLAG_FUA) != 0 && nbd_unlocked_can_fua (h) != 1) { set_error (EINVAL, "server does not support the FUA flag"); return -1; } if (!!(flags & LIBNBD_CMD_FLAG_PAYLOAD_LEN) != h->extended_headers) { set_error (EINVAL, "incorrect setting for PAYLOAD_LEN flag"); return -1; } } SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_WRITE, offset, count, ENOSPC, (void *)buf, &cb); } int64_t nbd_unlocked_aio_flush (struct nbd_handle *h, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .completion = *completion }; if (h->strict & LIBNBD_STRICT_COMMANDS) { if (nbd_unlocked_can_flush (h) != 1) { set_error (EINVAL, "server does not support flush operations"); return -1; } } SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_FLUSH, 0, 0, 0, NULL, &cb); } int64_t nbd_unlocked_aio_trim (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .completion = *completion }; if (h->strict & LIBNBD_STRICT_COMMANDS) { if (nbd_unlocked_can_trim (h) != 1) { set_error (EINVAL, "server does not support trim operations"); return -1; } if (nbd_unlocked_is_read_only (h) == 1) { set_error (EPERM, "server does not support write operations"); return -1; } if ((flags & LIBNBD_CMD_FLAG_FUA) != 0 && nbd_unlocked_can_fua (h) != 1) { set_error (EINVAL, "server does not support the FUA flag"); return -1; } } SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_TRIM, offset, count, ENOSPC, NULL, &cb); } int64_t nbd_unlocked_aio_cache (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .completion = *completion }; if (h->strict & LIBNBD_STRICT_COMMANDS) { /* Actually according to the NBD protocol document, servers do exist * that support NBD_CMD_CACHE but don't advertise the * NBD_FLAG_SEND_CACHE bit, but we ignore those. */ if (nbd_unlocked_can_cache (h) != 1) { set_error (EINVAL, "server does not support cache operations"); return -1; } } SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_CACHE, offset, count, EINVAL, NULL, &cb); } int64_t nbd_unlocked_aio_zero (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .completion = *completion }; if (h->strict & LIBNBD_STRICT_COMMANDS) { if (nbd_unlocked_can_zero (h) != 1) { set_error (EINVAL, "server does not support zero operations"); return -1; } if (nbd_unlocked_is_read_only (h) == 1) { set_error (EPERM, "server does not support write operations"); return -1; } if ((flags & LIBNBD_CMD_FLAG_FUA) != 0 && nbd_unlocked_can_fua (h) != 1) { set_error (EINVAL, "server does not support the FUA flag"); return -1; } if ((flags & LIBNBD_CMD_FLAG_FAST_ZERO) != 0 && nbd_unlocked_can_fast_zero (h) != 1) { set_error (EINVAL, "server does not support the fast zero flag"); return -1; } } SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_WRITE_ZEROES, offset, count, ENOSPC, NULL, &cb); } static int check_aio_block_status (struct nbd_handle *h) { if (h->strict & LIBNBD_STRICT_COMMANDS) { if (!h->structured_replies) { set_error (ENOTSUP, "server does not support structured replies"); return -1; } if (!h->meta_valid || h->meta_contexts.len == 0) { set_error (ENOTSUP, "did not negotiate any metadata contexts, " "either you did not call nbd_add_meta_context before " "connecting or the server does not support it"); return -1; } } return 0; } int64_t nbd_unlocked_aio_block_status (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent_callback *extent, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .fn.extent32 = *extent, .wide = false, .completion = *completion }; if (check_aio_block_status (h) == -1) return -1; SET_CALLBACK_TO_NULL (*extent); SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_BLOCK_STATUS, offset, count, EINVAL, NULL, &cb); } int64_t nbd_unlocked_aio_block_status_64 (struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent64_callback *extent64, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .fn.extent64 = *extent64, .wide = true, .completion = *completion }; if (check_aio_block_status (h) == -1) return -1; SET_CALLBACK_TO_NULL (*extent64); SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_BLOCK_STATUS, offset, count, EINVAL, NULL, &cb); } int64_t nbd_unlocked_aio_block_status_filter (struct nbd_handle *h, uint64_t count, uint64_t offset, char **filter, nbd_extent64_callback *extent64, nbd_completion_callback *completion, uint32_t flags) { struct command_cb cb = { .fn.extent64 = *extent64, .wide = true, .completion = *completion }; uint32_vector *ids; char *name; size_t i; if (check_aio_block_status (h) == -1) return -1; if (h->strict & LIBNBD_STRICT_AUTO_FLAG) { /* Because this affects wire format, it is more convenient to manage * PAYLOAD_LEN by what was negotiated than to require the user to * have to set it correctly. */ if (!h->extended_headers) { set_error (ENOTSUP, "server does not support extended headers"); return -1; } flags |= LIBNBD_CMD_FLAG_PAYLOAD_LEN; } if (h->strict & LIBNBD_STRICT_COMMANDS) { if (nbd_unlocked_can_block_status_payload (h) != 1) { set_error (EINVAL, "server does not support the block status payload flag"); return -1; } if ((flags & LIBNBD_CMD_FLAG_PAYLOAD_LEN) == 0) { set_error (EINVAL, "incorrect setting for PAYLOAD_LEN flag"); return -1; } } ids = calloc (1, sizeof *ids); if (ids == NULL) { set_error (errno, "calloc"); return -1; } if (uint32_vector_append (ids, htobe32 (count >> 32)) == -1 || uint32_vector_append (ids, htobe32 (count)) == -1) { set_error (errno, "realloc"); goto fail; } /* O(n^2) search - hopefully filter and negotiated contexts are both small */ for ( ; (name = *filter) != NULL; filter++) { if (!h->meta_valid) { set_error (EINVAL, "context %s not negotiated", name); goto fail; } for (i = 0; i < h->meta_contexts.len; i++) { struct meta_context *meta = &h->meta_contexts.ptr[i]; if (strcmp (name, meta->name) == 0) { if (uint32_vector_append (ids, htobe32 (meta->context_id)) == -1) { set_error (errno, "realloc"); goto fail; } break; } } if (i == h->meta_contexts.len) { set_error (EINVAL, "context %s not negotiated", name); goto fail; } } SET_CALLBACK_TO_NULL (*extent64); SET_CALLBACK_TO_NULL (*completion); return nbd_internal_command_common (h, flags, NBD_CMD_BLOCK_STATUS, offset, count, EINVAL, ids, &cb); fail: uint32_vector_reset (ids); free (ids); return -1; } libnbd-1.22.2/lib/socket.c0000644000175000017500000000510514615730274010725 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* struct socket_ops for a plain ordinary Berkeley socket. */ #include #include #include #include #include #include #include #include #include "internal.h" static ssize_t socket_recv (struct nbd_handle *h, struct socket *sock, void *buf, size_t len) { ssize_t r; r = recv (sock->u.fd, buf, len, 0); if (r == -1 && errno != EAGAIN && errno != EWOULDBLOCK) set_error (errno, "recv"); return r; } static ssize_t socket_send (struct nbd_handle *h, struct socket *sock, const void *buf, size_t len, int flags) { ssize_t r; /* We don't want to die from SIGPIPE, but also don't want to force a * changed signal handler on the rest of the application. */ flags |= MSG_NOSIGNAL; r = send (sock->u.fd, buf, len, flags); if (r == -1 && errno != EAGAIN && errno != EWOULDBLOCK) set_error (errno, "send"); return r; } static int socket_get_fd (struct socket *sock) { return sock->u.fd; } static bool socket_shut_writes (struct nbd_handle *h, struct socket *sock) { if (shutdown (sock->u.fd, SHUT_WR) == -1) debug (h, "ignoring shutdown failure: %s", strerror (errno)); /* Regardless of any errors, we don't need to retry. */ return true; } static int socket_close (struct socket *sock) { int r = close (sock->u.fd); free (sock); return r; } static struct socket_ops socket_ops = { .recv = socket_recv, .send = socket_send, .get_fd = socket_get_fd, .shut_writes = socket_shut_writes, .close = socket_close, }; struct socket * nbd_internal_socket_create (int fd) { struct socket *sock; sock = malloc (sizeof *sock); if (sock == NULL) { set_error (errno, "malloc"); return NULL; } sock->u.fd = fd; sock->ops = &socket_ops; return sock; } libnbd-1.22.2/lib/states.c0000444000175000017500000061063014706511425010737 /* NBD client library in userspace * WARNING: THIS FILE IS GENERATED FROM * generator/generator generator/states*.c * ANY CHANGES YOU MAKE TO THIS FILE WILL BE LOST. * * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #line 1 "generator/states-connect-socket-activation.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine related to connecting with systemd socket activation. */ #include #include #include #include #include #include #include #include #include #include "internal.h" #include "compiler-macros.h" #include "unique-name.h" #include "array-size.h" #include "checked-overflow.h" /* This is baked into the systemd socket activation API. */ #define FIRST_SOCKET_ACTIVATION_FD 3 /* Describes a systemd socket activation environment variable. */ struct sact_var { const char *prefix; /* variable name and equal sign */ size_t prefix_len; const char *value; size_t value_len; }; /* Determine the length of a string, using "sizeof" whenever possible. * * Do not use this macro on an argument that has side effects, as no guarantees * are given regarding the number of times the argument may be evaluated. * TYPE_IS_ARRAY(s) itself may contribute a different number of evaluations * dependent on whether "s" has variably modified type, and then the conditional * operator either evaluates "sizeof s" (which contributes 0 or 1 evaluations, * dependent on whether "s" has variably modified type) or strlen(s) (which * contributes 1 evaluation). Also note that the argument of the "sizeof" * operator is *only* parenthesized because "s" is a macro parameter here. */ #define STRLEN1(s) ((TYPE_IS_ARRAY (s) ? sizeof (s) - 1 : strlen (s))) /* Push a new element to an array of "sact_var" structures. * * "vars" is the array to extend. "num_vars" (of type (size_t *)) points to the * number of elements that the array, on input, contains; (*num_vars) is * increased by one on output. "prefix" and "value" serve as the values for * setting the fields in the new element. "ofs" (of type (size_t *)) may be * NULL; if it isn't, then on output, (*ofs) is set to the input value of * (*num_vars): the offset of the just-pushed element. * * Avoid arguments with side-effects here as well. */ #define SACT_VAR_PUSH(vars, num_vars, prefix, value, ofs) \ SACT_VAR_PUSH1 ((vars), (num_vars), (prefix), (value), (ofs), \ NBDKIT_UNIQUE_NAME (_ofs)) #define SACT_VAR_PUSH1(vars, num_vars, prefix, value, ofs, ofs1) \ do { \ size_t *ofs1; \ \ assert (*(num_vars) < ARRAY_SIZE (vars)); \ ofs1 = (ofs); \ if (ofs1 != NULL) \ *ofs1 = *(num_vars); \ (vars)[(*(num_vars))++] = (struct sact_var){ (prefix), STRLEN1 (prefix), \ (value), STRLEN1 (value) }; \ } while (0) extern char **environ; /* Prepare environment for calling execvp when doing systemd socket activation. * Takes the current environment and copies it. Removes any existing socket * activation variables and replaces them with new ones. Variables in "sact_var" * will be placed at the front of "env", preserving the order from "sact_var". */ static int prepare_socket_activation_environment (string_vector *env, const struct sact_var *sact_var, size_t num_vars) { const struct sact_var *var_end; char *new_var; const struct sact_var *var; size_t i; *env = (string_vector)empty_vector; /* Set the exclusive limit for loops over "sact_var". */ var_end = sact_var + num_vars; /* New environment variable being constructed for "env". */ new_var = NULL; /* Copy "sact_var" to the front of "env". */ for (var = sact_var; var < var_end; ++var) { size_t new_var_size; char *p; /* Calculate the size of the "NAME=value" string. */ if (ADD_OVERFLOW (var->prefix_len, var->value_len, &new_var_size) || ADD_OVERFLOW (new_var_size, 1u, &new_var_size)) { errno = EOVERFLOW; goto err; } /* Allocate and format "NAME=value". */ new_var = malloc (new_var_size); if (new_var == NULL) goto err; p = new_var; memcpy (p, var->prefix, var->prefix_len); p += var->prefix_len; memcpy (p, var->value, var->value_len); p += var->value_len; *p++ = '\0'; /* Push "NAME=value" to the vector. */ if (string_vector_append (env, new_var) == -1) goto err; /* Ownership transferred. */ new_var = NULL; } /* Append the current environment to "env", but remove "sact_var". */ for (i = 0; environ[i] != NULL; ++i) { for (var = sact_var; var < var_end; ++var) { if (strncmp (environ[i], var->prefix, var->prefix_len) == 0) break; } /* Drop known socket activation variable from the current environment. */ if (var < var_end) continue; new_var = strdup (environ[i]); if (new_var == NULL) goto err; if (string_vector_append (env, new_var) == -1) goto err; /* Ownership transferred. */ new_var = NULL; } /* The environ must be NULL-terminated. */ if (string_vector_append (env, NULL) == -1) goto err; return 0; err: set_error (errno, "malloc"); free (new_var); string_vector_empty (env); return -1; } #line 1 "generator/states-connect.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machines related to connecting to the server. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern char **environ; /* Disable Nagle's algorithm on the socket, but don't fail. */ static void disable_nagle (int sock) { const int flag = 1; setsockopt (sock, IPPROTO_TCP, TCP_NODELAY, &flag, sizeof flag); } /* Disable SIGPIPE on FreeBSD & MacOS. * * Does nothing on other platforms, but if those platforms have * MSG_NOSIGNAL then we will set that when writing. (FreeBSD has both.) */ static void disable_sigpipe (int sock) { #ifdef SO_NOSIGPIPE const int flag = 1; setsockopt (sock, SOL_SOCKET, SO_NOSIGPIPE, &flag, sizeof flag); #endif } #line 1 "generator/states-issue-command.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for issuing commands (requests) to the server. */ #line 1 "generator/states-magic.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for parsing the initial magic number from the server. */ #line 1 "generator/states-newstyle-opt-export-name.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for ending newstyle handshake with NBD_OPT_EXPORT_NAME. */ #line 1 "generator/states-newstyle-opt-extended-headers.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for negotiating NBD_OPT_EXTENDED_HEADERS. */ #line 1 "generator/states-newstyle-opt-go.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for ending fixed newstyle handshake with NBD_OPT_GO. */ #line 1 "generator/states-newstyle-opt-list.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for sending NBD_OPT_LIST to list exports. * * This is only reached via nbd_opt_list during opt_mode. */ #line 1 "generator/states-newstyle-opt-meta-context.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for negotiating NBD_OPT_SET/LIST_META_CONTEXT. */ #line 1 "generator/states-newstyle-opt-starttls.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for sending NBD_OPT_STARTTLS. */ #line 1 "generator/states-newstyle-opt-structured-reply.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for negotiating NBD_OPT_STRUCTURED_REPLY. */ #line 1 "generator/states-newstyle.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "ascii-ctype.h" #include "internal.h" /* Common code for parsing a reply to NBD_OPT_*. */ static int prepare_for_reply_payload (struct nbd_handle *h, uint32_t opt) { const size_t maxpayload = sizeof h->sbuf.or.payload; uint64_t magic; uint32_t option; uint32_t reply; uint32_t len; magic = be64toh (h->sbuf.or.option_reply.magic); option = be32toh (h->sbuf.or.option_reply.option); reply = be32toh (h->sbuf.or.option_reply.reply); len = be32toh (h->sbuf.or.option_reply.replylen); if (magic != NBD_REP_MAGIC || option != opt) { set_error (0, "handshake: invalid option reply magic or option"); return -1; } /* Validate lengths that the state machine depends on. */ switch (reply) { case NBD_REP_ACK: if (len != 0) { set_error (0, "handshake: invalid NBD_REP_ACK option reply length"); return -1; } break; case NBD_REP_INFO: /* Can't enforce an upper bound, thanks to unknown INFOs */ if (len < sizeof h->sbuf.or.payload.export.info) { set_error (0, "handshake: NBD_REP_INFO reply length too small"); return -1; } break; case NBD_REP_META_CONTEXT: if (len <= sizeof h->sbuf.or.payload.context.context || len > sizeof h->sbuf.or.payload.context) { set_error (0, "handshake: invalid NBD_REP_META_CONTEXT reply length"); return -1; } break; } /* Read the following payload if it is short enough to fit in the * static buffer. If it's too long, skip it. */ len = be32toh (h->sbuf.or.option_reply.replylen); if (len > MAX_REQUEST_SIZE) { set_error (0, "handshake: invalid option reply length"); return -1; } else if (len <= maxpayload) h->rbuf = &h->sbuf.or.payload; else h->rbuf = NULL; h->rlen = len; return 0; } /* Check an unexpected server reply error. * * This calls set_error with a descriptive error message and returns * 0. Unless there is a further unexpected error while processing * this error, in which case it calls set_error and returns -1. */ static int handle_reply_error (struct nbd_handle *h) { uint32_t reply; uint32_t replylen; FILE *fp; char *s = NULL; size_t len = 0; int err = 0; reply = be32toh (h->sbuf.or.option_reply.reply); if (!NBD_REP_IS_ERR (reply)) { set_error (0, "handshake: unexpected option reply type %d", reply); return -1; } replylen = be32toh (h->sbuf.or.option_reply.replylen); assert (NBD_MAX_STRING < sizeof h->sbuf.or.payload); if (replylen > NBD_MAX_STRING) { set_error (0, "handshake: option error string too long"); return -1; } /* Decode expected errors into a nicer string. */ fp = open_memstream (&s, &len); if (fp == NULL) { set_error (errno, "open_memstream"); return -1; } switch (reply) { case NBD_REP_ERR_UNSUP: err = ENOTSUP; fprintf (fp, "the operation is not supported by the server"); break; case NBD_REP_ERR_POLICY: fprintf (fp, "server policy prevents the operation"); break; case NBD_REP_ERR_PLATFORM: fprintf (fp, "the operation is not supported by the server platform"); break; case NBD_REP_ERR_INVALID: err = EINVAL; fprintf (fp, "the server rejected this operation as invalid"); break; case NBD_REP_ERR_TOO_BIG: err = EINVAL; fprintf (fp, "the operation is too large to process"); break; case NBD_REP_ERR_TLS_REQD: err = ENOTSUP; fprintf (fp, "the server requires TLS encryption first"); break; case NBD_REP_ERR_UNKNOWN: err = ENOENT; fprintf (fp, "the server has no export named '%s'", h->export_name); break; case NBD_REP_ERR_SHUTDOWN: err = ESHUTDOWN; fprintf (fp, "the server is shutting down"); break; case NBD_REP_ERR_BLOCK_SIZE_REQD: err = EINVAL; fprintf (fp, "the server requires specific block sizes"); break; default: fprintf (fp, "handshake: unknown reply from the server: 0x%" PRIx32, reply); } if (replylen > 0) { /* Since this message comes from the server, take steps to quote it. */ uint32_t i; const unsigned char *msg = (unsigned char *) h->sbuf.or.payload.err_msg; fprintf (fp, ": "); for (i = 0; i < replylen; ++i) { if (ascii_isprint (msg[i])) fputc (msg[i], fp); else fprintf (fp, "\\x%02x", msg[i]); } } fclose (fp); set_error (err, "%s", s); free (s); return 0; } /* State machine for parsing the fixed newstyle handshake. */ #line 1 "generator/states-oldstyle.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for parsing the oldstyle handshake. */ #line 1 "generator/states-reply-chunk.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for parsing structured reply chunk payloads from the server. */ #include #include #include #include "minmax.h" /* Structured reply must be completely inside the bounds of the * requesting command. */ static bool structured_reply_in_bounds (uint64_t offset, uint32_t length, const struct command *cmd) { if (offset < cmd->offset || offset >= cmd->offset + cmd->count || offset + length > cmd->offset + cmd->count) { set_error (0, "range of structured reply is out of bounds, " "offset=%" PRIu64 ", cmd->offset=%" PRIu64 ", " "length=%" PRIu32 ", cmd->count=%" PRIu64 ": " "this is likely to be a bug in the NBD server", offset, cmd->offset, length, cmd->count); return false; } return true; } /* Return true if payload length of block status reply is valid. */ static bool bs_reply_length_ok (uint16_t type, uint32_t length) { size_t prefix_len; size_t extent_len; if (type == NBD_REPLY_TYPE_BLOCK_STATUS) { prefix_len = sizeof (struct nbd_chunk_block_status_32); extent_len = sizeof (struct nbd_block_descriptor_32); } else { assert (type == NBD_REPLY_TYPE_BLOCK_STATUS_EXT); prefix_len = sizeof (struct nbd_chunk_block_status_64); extent_len = sizeof (struct nbd_block_descriptor_64); } /* At least one descriptor is needed after id prefix */ if (length < prefix_len + extent_len) return false; /* There must be an integral number of extents */ length -= prefix_len; if (length % extent_len != 0) return false; return true; } #line 1 "generator/states-reply-simple.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* State machine for parsing simple replies from the server. */ #line 1 "generator/states-reply.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #define ASSERT_MEMBER_ALIAS(type, member_a, member_b) \ STATIC_ASSERT (offsetof (type, member_a) == offsetof (type, member_b) && \ sizeof ((type *)NULL)->member_a == \ sizeof ((type *)NULL)->member_b, member_alias) /* State machine for receiving reply messages from the server. * * Note that we never block while in this sub-group. If there is * insufficient data to finish parsing a reply, requiring us to block * until POLLIN, we instead track where in the state machine we left * off, then return to READY to actually block. Then, on entry to * REPLY.START, we can tell if this is the start of a new reply (rlen * is 0, stay put), a continuation of the preamble (reply_state is * STATE_START, resume with RECV_REPLY), or a continuation from any * other location (reply_state contains the state to jump to). */ static void save_reply_state (struct nbd_handle *h) { assert (h->rlen); assert (h->reply_state == STATE_START); h->reply_state = get_next_state (h); assert (h->reply_state != STATE_START); } #line 1 "generator/states.c" /* nbd client library in userspace: state machine * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* This isn't "real" C code. It is read by the generator, parsed, and * put into generated files. Also it won't make much sense unless you * read the generator state machine and documentation in * generator/README.state-machine.md first. */ #include #include #include #include #include #include #include #include #include #include "minmax.h" #include "internal.h" /* Uncomment this to dump received protocol packets to stderr. */ /*#define DUMP_PACKETS 1*/ static int recv_into_rbuf (struct nbd_handle *h) { ssize_t r; void *rbuf; size_t rlen; /* As a special case h->rbuf is allowed to be NULL, meaning * throw away the data. * * When building with DUMP_PACKETS, it's worth debugging even * discarded packets; this makes our stack frame larger, but * DUMP_PACKETS is already for developers. Otherwise, we share a * single static sink buffer across all nbd handles; we don't care * about thread-safety issues with two clients discarding data at * the same time, because we never read the sink. */ #ifdef DUMP_PACKETS char sink[1024]; #else static char sink[BUFSIZ]; #endif if (h->rlen == 0) return 0; /* move to next state */ if (h->rbuf) { rbuf = h->rbuf; rlen = h->rlen; } else { rbuf = sink; rlen = MIN (h->rlen, sizeof sink); } r = h->sock->ops->recv (h, h->sock, rbuf, rlen); if (r == -1) { if (errno == EAGAIN || errno == EWOULDBLOCK) return 1; /* more data */ /* sock->ops->recv called set_error already. */ return -1; } if (r == 0) { set_error (0, "recv: server disconnected unexpectedly"); return -1; } #ifdef DUMP_PACKETS nbd_internal_hexdump (rbuf, r, stderr); #endif h->bytes_received += r; if (h->rbuf) h->rbuf = (char *)h->rbuf + r; h->rlen -= r; if (h->rlen == 0) return 0; /* move to next state */ else return 1; /* more data */ } static int send_from_wbuf (struct nbd_handle *h) { ssize_t r; if (h->wlen == 0) goto next_state; r = h->sock->ops->send (h, h->sock, h->wbuf, h->wlen, h->wflags); if (r == -1) { if (errno == EAGAIN || errno == EWOULDBLOCK) return 1; /* more data */ /* sock->ops->send called set_error already. */ return -1; } h->bytes_sent += r; h->wbuf = (char *)h->wbuf + r; h->wlen -= r; if (h->wlen == 0) goto next_state; else return 1; /* more data */ next_state: h->wflags = 0; /* reset this when moving to next state */ return 0; /* move to next state */ } /* Forcefully fail any in-flight option */ static void abort_option (struct nbd_handle *h) { int err = nbd_get_errno () ? : ENOTCONN; CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); } /* Forcefully fail any remaining in-flight commands in list */ void nbd_internal_abort_commands (struct nbd_handle *h, struct command **list) { struct command *next, *cmd; for (cmd = *list, *list = NULL; cmd != NULL; cmd = next) { bool retire = cmd->type == NBD_CMD_DISC; next = cmd->next; if (CALLBACK_IS_NOT_NULL (cmd->cb.completion)) { int error = cmd->error ? cmd->error : ENOTCONN; int r; assert (cmd->type != NBD_CMD_DISC); r = CALL_CALLBACK (cmd->cb.completion, &error); switch (r) { case -1: if (error) cmd->error = error; break; case 1: retire = true; break; } } if (cmd->error == 0) cmd->error = ENOTCONN; if (retire) nbd_internal_retire_and_free_command (cmd); else { cmd->next = NULL; if (h->cmds_done_tail) h->cmds_done_tail->next = cmd; else { assert (h->cmds_done == NULL); h->cmds_done = cmd; } h->cmds_done_tail = cmd; } } } #define SET_NEXT_STATE(s) (*blocked = false, *next_state = (s)) #define SET_NEXT_STATE_AND_BLOCK(s) (*next_state = (s)) /* START: Handle after being initially created */ static int enter_STATE_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { return 0; } #line 1025 "lib/states.c" int nbd_internal_enter_STATE_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_START; r = enter_STATE_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT.START: Initial call to connect(2) on the socket */ static int enter_STATE_CONNECT_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 67 "generator/states-connect.c" sa_family_t family; int fd, r; assert (!h->sock); family = h->connaddr.ss_family; fd = nbd_internal_socket (family, SOCK_STREAM, 0, true); if (fd == -1) { SET_NEXT_STATE (STATE_DEAD); set_error (errno, "socket"); return 0; } h->sock = nbd_internal_socket_create (fd); if (!h->sock) { SET_NEXT_STATE (STATE_DEAD); return 0; } disable_nagle (fd); disable_sigpipe (fd); r = connect (fd, (struct sockaddr *)&h->connaddr, h->connaddrlen); if (r == 0 || (r == -1 && errno == EINPROGRESS)) return 0; assert (r == -1); #ifdef __linux__ if (errno == EAGAIN && family == AF_UNIX) { /* This can happen on Linux when connecting to a Unix domain * socket, if the server's backlog is full. Unfortunately there * is nothing good we can do on the client side when this happens * since any solution would involve sleeping or busy-waiting. The * only solution is on the server side, increasing the backlog. * But at least improve the error message. * https://bugzilla.redhat.com/1925045 */ SET_NEXT_STATE (STATE_DEAD); set_error (errno, "connect: server backlog overflowed, " "see https://bugzilla.redhat.com/1925045"); return 0; } #endif SET_NEXT_STATE (STATE_DEAD); set_error (errno, "connect"); return 0; } #line 1103 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_START; r = enter_STATE_CONNECT_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT.CONNECTING: Connecting to the remote server */ static int enter_STATE_CONNECT_CONNECTING ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 112 "generator/states-connect.c" int status; socklen_t len = sizeof status; if (getsockopt (h->sock->ops->get_fd (h->sock), SOL_SOCKET, SO_ERROR, &status, &len) == -1) { SET_NEXT_STATE (STATE_DEAD); set_error (errno, "getsockopt: SO_ERROR"); return 0; } /* This checks the status of the original connect call. */ if (status == 0) { SET_NEXT_STATE (STATE_MAGIC_START); return 0; } else { SET_NEXT_STATE (STATE_DEAD); set_error (status, "connect"); return 0; } } #line 1157 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_CONNECTING ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_CONNECTING; r = enter_STATE_CONNECT_CONNECTING ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT.CONNECTING", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT_TCP.START: Connect to a remote TCP server */ static int enter_STATE_CONNECT_TCP_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 133 "generator/states-connect.c" int r; assert (h->hostname != NULL); assert (h->port != NULL); if (h->result) { freeaddrinfo (h->result); h->result = NULL; } h->connect_errno = 0; memset (&h->hints, 0, sizeof h->hints); h->hints.ai_family = AF_UNSPEC; h->hints.ai_socktype = SOCK_STREAM; h->hints.ai_flags = 0; h->hints.ai_protocol = 0; /* XXX Unfortunately getaddrinfo blocks. getaddrinfo_a isn't * portable and in any case isn't an alternative because it can't be * integrated into a main loop. */ r = getaddrinfo (h->hostname, h->port, &h->hints, &h->result); if (r != 0) { SET_NEXT_STATE (STATE_START); set_error (0, "getaddrinfo: hostname \"%s\" port \"%s\": %s", h->hostname, h->port, gai_strerror (r)); return -1; } h->rp = h->result; SET_NEXT_STATE (STATE_CONNECT_TCP_CONNECT); return 0; } #line 1225 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_TCP_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_TCP_START; r = enter_STATE_CONNECT_TCP_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT_TCP.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT_TCP.CONNECT: Initial call to connect(2) on a TCP socket */ static int enter_STATE_CONNECT_TCP_CONNECT ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 168 "generator/states-connect.c" int fd; assert (!h->sock); if (h->rp == NULL) { /* We tried all the results from getaddrinfo without success. * Save errno from most recent connect(2) call. XXX */ SET_NEXT_STATE (STATE_START); set_error (h->connect_errno, "connect: %s:%s: could not connect to remote host", h->hostname, h->port); return -1; } fd = nbd_internal_socket (h->rp->ai_family, h->rp->ai_socktype, h->rp->ai_protocol, true); if (fd == -1) { SET_NEXT_STATE (STATE_CONNECT_TCP_NEXT_ADDRESS); return 0; } h->sock = nbd_internal_socket_create (fd); if (!h->sock) { SET_NEXT_STATE (STATE_DEAD); return 0; } disable_nagle (fd); disable_sigpipe (fd); if (connect (fd, h->rp->ai_addr, h->rp->ai_addrlen) == -1) { if (errno != EINPROGRESS) { if (h->connect_errno == 0) h->connect_errno = errno; SET_NEXT_STATE (STATE_CONNECT_TCP_NEXT_ADDRESS); return 0; } } SET_NEXT_STATE (STATE_CONNECT_TCP_CONNECTING); return 0; } #line 1303 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_TCP_CONNECT ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_TCP_CONNECT; r = enter_STATE_CONNECT_TCP_CONNECT ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT_TCP.CONNECT", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT_TCP.CONNECTING: Connecting to the remote server over a TCP socket */ static int enter_STATE_CONNECT_TCP_CONNECTING ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 213 "generator/states-connect.c" int status; socklen_t len = sizeof status; if (getsockopt (h->sock->ops->get_fd (h->sock), SOL_SOCKET, SO_ERROR, &status, &len) == -1) { SET_NEXT_STATE (STATE_DEAD); set_error (errno, "getsockopt: SO_ERROR"); return 0; } /* This checks the status of the original connect call. */ if (status == 0) SET_NEXT_STATE (STATE_MAGIC_START); else { if (h->connect_errno == 0) h->connect_errno = status; SET_NEXT_STATE (STATE_CONNECT_TCP_NEXT_ADDRESS); } return 0; } #line 1356 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_TCP_CONNECTING ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_TCP_CONNECTING; r = enter_STATE_CONNECT_TCP_CONNECTING ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT_TCP.CONNECTING", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT_TCP.NEXT_ADDRESS: Connecting to the next address over a TCP socket */ static int enter_STATE_CONNECT_TCP_NEXT_ADDRESS ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 233 "generator/states-connect.c" if (h->sock) { h->sock->ops->close (h->sock); h->sock = NULL; } if (h->rp) h->rp = h->rp->ai_next; SET_NEXT_STATE (STATE_CONNECT_TCP_CONNECT); return 0; } #line 1399 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_TCP_NEXT_ADDRESS ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_TCP_NEXT_ADDRESS; r = enter_STATE_CONNECT_TCP_NEXT_ADDRESS ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT_TCP.NEXT_ADDRESS", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT_COMMAND.START: Connect to a subprocess */ static int enter_STATE_CONNECT_COMMAND_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 243 "generator/states-connect.c" enum state next; bool parentfd_transferred; int sv[2]; int flags; struct socket *sock; struct execvpe execvpe_ctx; pid_t pid; assert (!h->sock); assert (h->argv.ptr); assert (h->argv.ptr[0]); next = STATE_DEAD; parentfd_transferred = false; if (nbd_internal_socketpair (AF_UNIX, SOCK_STREAM, 0, sv) == -1) { set_error (errno, "socketpair"); goto done; } /* A process is effectively in an unusable state if any of STDIN_FILENO * (fd#0), STDOUT_FILENO (fd#1) and STDERR_FILENO (fd#2) don't exist. If they * exist however, then the socket pair created above will not intersect with * the fd set { 0, 1, 2 }. This is relevant for the child-side dup2() logic * below. */ assert (sv[0] > STDERR_FILENO); assert (sv[1] > STDERR_FILENO); /* Only the parent-side end of the socket pair must be set to non-blocking, * because the child may not be expecting a non-blocking socket. */ flags = fcntl (sv[0], F_GETFL, 0); if (flags == -1 || fcntl (sv[0], F_SETFL, flags|O_NONBLOCK) == -1) { set_error (errno, "fcntl"); goto close_socket_pair; } sock = nbd_internal_socket_create (sv[0]); if (!sock) /* nbd_internal_socket_create() calls set_error() internally */ goto close_socket_pair; parentfd_transferred = true; if (nbd_internal_execvpe_init (&execvpe_ctx, h->argv.ptr[0], h->argv.len) == -1) { set_error (errno, "nbd_internal_execvpe_init"); goto close_high_level_socket; } pid = fork (); if (pid == -1) { set_error (errno, "fork"); goto uninit_execvpe; } if (pid == 0) { /* child - run command */ if (close (sv[0]) == -1) { nbd_internal_fork_safe_perror ("close"); _exit (126); } if (dup2 (sv[1], STDIN_FILENO) == -1 || dup2 (sv[1], STDOUT_FILENO) == -1) { nbd_internal_fork_safe_perror ("dup2"); _exit (126); } NBD_INTERNAL_FORK_SAFE_ASSERT (sv[1] != STDIN_FILENO); NBD_INTERNAL_FORK_SAFE_ASSERT (sv[1] != STDOUT_FILENO); if (close (sv[1]) == -1) { nbd_internal_fork_safe_perror ("close"); _exit (126); } /* Restore SIGPIPE back to SIG_DFL. */ if (signal (SIGPIPE, SIG_DFL) == SIG_ERR) { nbd_internal_fork_safe_perror ("signal"); _exit (126); } (void)nbd_internal_fork_safe_execvpe (&execvpe_ctx, &h->argv, environ); nbd_internal_fork_safe_perror (h->argv.ptr[0]); if (errno == ENOENT) _exit (127); else _exit (126); } /* Parent -- we're done; commit. */ h->pid = pid; h->sock = sock; /* The sockets are connected already, we can jump directly to * receiving the server magic. */ next = STATE_MAGIC_START; /* fall through, for releasing the temporaries */ uninit_execvpe: nbd_internal_execvpe_uninit (&execvpe_ctx); close_high_level_socket: if (next == STATE_DEAD) sock->ops->close (sock); close_socket_pair: assert (next == STATE_DEAD || parentfd_transferred); if (!parentfd_transferred) close (sv[0]); close (sv[1]); done: SET_NEXT_STATE (next); return 0; } #line 1549 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_COMMAND_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_COMMAND_START; r = enter_STATE_CONNECT_COMMAND_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT_COMMAND.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CONNECT_SA.START: Connect to a subprocess with systemd socket activation */ static int enter_STATE_CONNECT_SA_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 180 "generator/states-connect-socket-activation.c" enum state next; char *tmpdir; char *sockpath; int s; struct sockaddr_un addr; struct execvpe execvpe_ctx; size_t num_vars; struct sact_var sact_var[3]; size_t pid_ofs; string_vector env; pid_t pid; assert (!h->sock); assert (h->argv.ptr); assert (h->argv.ptr[0]); next = STATE_DEAD; /* Use /tmp instead of TMPDIR because we must ensure the path is * short enough to store in the sockaddr_un. On some platforms this * may cause problems so we may need to revisit it. XXX */ tmpdir = strdup ("/tmp/libnbdXXXXXX"); if (tmpdir == NULL) { set_error (errno, "strdup"); goto done; } if (mkdtemp (tmpdir) == NULL) { set_error (errno, "mkdtemp"); goto free_tmpdir; } if (asprintf (&sockpath, "%s/sock", tmpdir) == -1) { set_error (errno, "asprintf"); goto rmdir_tmpdir; } s = nbd_internal_socket (AF_UNIX, SOCK_STREAM, 0, false); if (s == -1) { set_error (errno, "socket"); goto free_sockpath; } addr.sun_family = AF_UNIX; memcpy (addr.sun_path, sockpath, strlen (sockpath) + 1); if (bind (s, (struct sockaddr *)&addr, sizeof addr) == -1) { set_error (errno, "bind: %s", sockpath); goto close_socket; } if (listen (s, SOMAXCONN) == -1) { set_error (errno, "listen"); goto unlink_sockpath; } if (nbd_internal_execvpe_init (&execvpe_ctx, h->argv.ptr[0], h->argv.len) == -1) { set_error (errno, "nbd_internal_execvpe_init"); goto unlink_sockpath; } num_vars = 0; SACT_VAR_PUSH (sact_var, &num_vars, "LISTEN_PID=", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", &pid_ofs); SACT_VAR_PUSH (sact_var, &num_vars, "LISTEN_FDS=", "1", NULL); /* Push LISTEN_FDNAMES unconditionally. This ensures we overwrite any * inherited LISTEN_FDNAMES. If "h->sact_name" is NULL, then push * "LISTEN_FDNAMES=unknown"; it will have the same effect on the child process * as unsetting LISTEN_FDNAMES would (with LISTEN_FDS being set to 1): * . */ SACT_VAR_PUSH (sact_var, &num_vars, "LISTEN_FDNAMES=", h->sact_name == NULL ? "unknown" : h->sact_name, NULL); if (prepare_socket_activation_environment (&env, sact_var, num_vars) == -1) /* prepare_socket_activation_environment() calls set_error() internally */ goto uninit_execvpe; pid = fork (); if (pid == -1) { set_error (errno, "fork"); goto empty_env; } if (pid == 0) { /* child - run command */ if (s != FIRST_SOCKET_ACTIVATION_FD) { if (dup2 (s, FIRST_SOCKET_ACTIVATION_FD) == -1) { nbd_internal_fork_safe_perror ("dup2"); _exit (126); } if (close (s) == -1) { nbd_internal_fork_safe_perror ("close"); _exit (126); } } else { /* We must unset CLOEXEC on the fd. (dup2 above does this * implicitly because CLOEXEC is set on the fd, not on the * socket). */ int flags = fcntl (s, F_GETFD, 0); if (flags == -1) { nbd_internal_fork_safe_perror ("fcntl: F_GETFD"); _exit (126); } if (fcntl (s, F_SETFD, (int)(flags & ~(unsigned)FD_CLOEXEC)) == -1) { nbd_internal_fork_safe_perror ("fcntl: F_SETFD"); _exit (126); } } char buf[32]; const char *v = nbd_internal_fork_safe_itoa (getpid (), buf, sizeof buf); NBD_INTERNAL_FORK_SAFE_ASSERT (strlen (v) <= sact_var[pid_ofs].value_len); strcpy (env.ptr[pid_ofs] + sact_var[pid_ofs].prefix_len, v); /* Restore SIGPIPE back to SIG_DFL. */ if (signal (SIGPIPE, SIG_DFL) == SIG_ERR) { nbd_internal_fork_safe_perror ("signal"); _exit (126); } (void)nbd_internal_fork_safe_execvpe (&execvpe_ctx, &h->argv, env.ptr); nbd_internal_fork_safe_perror (h->argv.ptr[0]); if (errno == ENOENT) _exit (127); else _exit (126); } /* Parent -- we're done; commit. */ h->sact_tmpdir = tmpdir; h->sact_sockpath = sockpath; h->pid = pid; h->connaddrlen = sizeof addr; memcpy (&h->connaddr, &addr, h->connaddrlen); next = STATE_CONNECT_START; /* fall through, for releasing the temporaries */ empty_env: string_vector_empty (&env); uninit_execvpe: nbd_internal_execvpe_uninit (&execvpe_ctx); unlink_sockpath: if (next == STATE_DEAD) unlink (sockpath); close_socket: close (s); free_sockpath: if (next == STATE_DEAD) free (sockpath); rmdir_tmpdir: if (next == STATE_DEAD) rmdir (tmpdir); free_tmpdir: if (next == STATE_DEAD) free (tmpdir); done: SET_NEXT_STATE (next); return 0; } #line 1755 "lib/states.c" int nbd_internal_enter_STATE_CONNECT_SA_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CONNECT_SA_START; r = enter_STATE_CONNECT_SA_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CONNECT_SA.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* MAGIC.START: Prepare to receive the magic identification from remote */ static int enter_STATE_MAGIC_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-magic.c" h->rbuf = &h->sbuf; h->rlen = 16; SET_NEXT_STATE (STATE_MAGIC_RECV_MAGIC); return 0; } #line 1794 "lib/states.c" int nbd_internal_enter_STATE_MAGIC_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_MAGIC_START; r = enter_STATE_MAGIC_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "MAGIC.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* MAGIC.RECV_MAGIC: Receive initial magic identification from remote */ static int enter_STATE_MAGIC_RECV_MAGIC ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 28 "generator/states-magic.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_MAGIC_CHECK_MAGIC); } return 0; } #line 1834 "lib/states.c" int nbd_internal_enter_STATE_MAGIC_RECV_MAGIC ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_MAGIC_RECV_MAGIC; r = enter_STATE_MAGIC_RECV_MAGIC ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "MAGIC.RECV_MAGIC", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* MAGIC.CHECK_MAGIC: Check magic and version sent by remote */ static int enter_STATE_MAGIC_CHECK_MAGIC ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 35 "generator/states-magic.c" uint64_t version; if (be64toh (h->sbuf.new_handshake.nbdmagic) != NBD_MAGIC) { SET_NEXT_STATE (STATE_DEAD); set_error (0, "handshake: server did not send expected NBD magic"); return 0; } version = be64toh (h->sbuf.new_handshake.version); if (version == NBD_NEW_VERSION) { assert (h->opt_current == 0); h->chunks_received++; SET_NEXT_STATE (STATE_NEWSTYLE_START); } else if (version == NBD_OLD_VERSION) { h->chunks_received++; SET_NEXT_STATE (STATE_OLDSTYLE_START); } else { SET_NEXT_STATE (STATE_DEAD); set_error (0, "handshake: server is not either an oldstyle or " "fixed newstyle NBD server"); return 0; } return 0; } #line 1894 "lib/states.c" int nbd_internal_enter_STATE_MAGIC_CHECK_MAGIC ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_MAGIC_CHECK_MAGIC; r = enter_STATE_MAGIC_CHECK_MAGIC ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "MAGIC.CHECK_MAGIC", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* OLDSTYLE.START: Prepare to receive remainder of oldstyle header */ static int enter_STATE_OLDSTYLE_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-oldstyle.c" /* We've already read the first 16 bytes of the handshake, we must * now read the remainder. */ h->rbuf = &h->sbuf.old_handshake; h->rlen = sizeof h->sbuf.old_handshake; h->rbuf = (char *)h->rbuf + 16; h->rlen -= 16; SET_NEXT_STATE (STATE_OLDSTYLE_RECV_REMAINING); return 0; } #line 1938 "lib/states.c" int nbd_internal_enter_STATE_OLDSTYLE_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_OLDSTYLE_START; r = enter_STATE_OLDSTYLE_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "OLDSTYLE.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* OLDSTYLE.RECV_REMAINING: Receive remainder of oldstyle header */ static int enter_STATE_OLDSTYLE_RECV_REMAINING ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 33 "generator/states-oldstyle.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_OLDSTYLE_CHECK); } return 0; } #line 1978 "lib/states.c" int nbd_internal_enter_STATE_OLDSTYLE_RECV_REMAINING ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_OLDSTYLE_RECV_REMAINING; r = enter_STATE_OLDSTYLE_RECV_REMAINING ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "OLDSTYLE.RECV_REMAINING", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* OLDSTYLE.CHECK: Check oldstyle header */ static int enter_STATE_OLDSTYLE_CHECK ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 40 "generator/states-oldstyle.c" uint64_t exportsize; uint16_t gflags, eflags; /* We already checked the magic and version in MAGIC.CHECK_MAGIC. */ exportsize = be64toh (h->sbuf.old_handshake.exportsize); gflags = be16toh (h->sbuf.old_handshake.gflags); eflags = be16toh (h->sbuf.old_handshake.eflags); /* Server is unable to upgrade to TLS. If h->tls is not 'require' (2) * then we can continue unencrypted. */ if (h->tls == LIBNBD_TLS_REQUIRE) { SET_NEXT_STATE (STATE_DEAD); set_error (ENOTSUP, "handshake: server is oldstyle, " "but handle TLS setting is 'require' (2)"); return 0; } h->gflags = gflags; debug (h, "gflags: 0x%" PRIx16, gflags); if (gflags) { set_error (0, "handshake: oldstyle server should not set gflags"); SET_NEXT_STATE (STATE_DEAD); return 0; } if (nbd_internal_set_size_and_flags (h, exportsize, eflags) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } nbd_internal_set_payload (h); h->protocol = "oldstyle"; SET_NEXT_STATE (STATE_READY); return 0; } #line 2050 "lib/states.c" int nbd_internal_enter_STATE_OLDSTYLE_CHECK ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_OLDSTYLE_CHECK; r = enter_STATE_OLDSTYLE_CHECK ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "OLDSTYLE.CHECK", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.START: Prepare to receive newstyle gflags from remote */ static int enter_STATE_NEWSTYLE_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 184 "generator/states-newstyle.c" if (h->opt_mode) { /* NEWSTYLE can be entered multiple times, from MAGIC.CHECK_MAGIC * (h->opt_current is 0, run through OPT_STRUCTURED_REPLY for * opt_mode, or OPT_GO otherwise) and during various nbd_opt_* * calls during NEGOTIATING (h->opt_current is set, run just the * states needed). Each previous state has informed us what we * still need to do. */ switch (h->opt_current) { case NBD_OPT_GO: case NBD_OPT_INFO: if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_START); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_START); return 0; case NBD_OPT_LIST: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_LIST_START); return 0; case NBD_OPT_ABORT: if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { SET_NEXT_STATE (STATE_DEAD); set_error (ENOTSUP, "handshake: server is not using fixed newstyle"); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_PREPARE_OPT_ABORT); return 0; case NBD_OPT_LIST_META_CONTEXT: case NBD_OPT_SET_META_CONTEXT: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_START); return 0; case NBD_OPT_STRUCTURED_REPLY: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START); return 0; case NBD_OPT_EXTENDED_HEADERS: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START); return 0; case NBD_OPT_STARTTLS: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_START); return 0; case 0: break; default: abort (); } } assert (h->opt_current == 0); h->rbuf = &h->sbuf; h->rlen = sizeof h->sbuf.gflags; SET_NEXT_STATE (STATE_NEWSTYLE_RECV_GFLAGS); return 0; } #line 2137 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_START; r = enter_STATE_NEWSTYLE_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.RECV_GFLAGS: Receive newstyle gflags from remote */ static int enter_STATE_NEWSTYLE_RECV_GFLAGS ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 238 "generator/states-newstyle.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_CHECK_GFLAGS); } return 0; } #line 2177 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_RECV_GFLAGS ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_RECV_GFLAGS; r = enter_STATE_NEWSTYLE_RECV_GFLAGS ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.RECV_GFLAGS", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.CHECK_GFLAGS: Check global flags sent by remote */ static int enter_STATE_NEWSTYLE_CHECK_GFLAGS ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 245 "generator/states-newstyle.c" uint32_t cflags; h->gflags &= be16toh (h->sbuf.gflags); if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0 && h->tls == LIBNBD_TLS_REQUIRE) { SET_NEXT_STATE (STATE_DEAD); set_error (ENOTSUP, "handshake: server is not using fixed newstyle, " "but handle TLS setting is 'require' (2)"); return 0; } if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) h->protocol = "newstyle"; else h->protocol = "newstyle-fixed"; cflags = h->gflags; h->sbuf.cflags = htobe32 (cflags); h->wbuf = &h->sbuf; h->wlen = 4; SET_NEXT_STATE (STATE_NEWSTYLE_SEND_CFLAGS); return 0; } #line 2234 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_CHECK_GFLAGS ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_CHECK_GFLAGS; r = enter_STATE_NEWSTYLE_CHECK_GFLAGS ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.CHECK_GFLAGS", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.SEND_CFLAGS: Send newstyle client flags to remote */ static int enter_STATE_NEWSTYLE_SEND_CFLAGS ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 269 "generator/states-newstyle.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: /* Start sending options. */ if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) == 0) { if (h->opt_mode) SET_NEXT_STATE (STATE_NEGOTIATING); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_START); } else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_START); } return 0; } #line 2283 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_SEND_CFLAGS ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_SEND_CFLAGS; r = enter_STATE_NEWSTYLE_SEND_CFLAGS ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.SEND_CFLAGS", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.START: Try to send newstyle NBD_OPT_STARTTLS to upgrade * to TLS */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-newstyle-opt-starttls.c" assert (h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE); if (h->opt_current == NBD_OPT_STARTTLS) assert (h->opt_mode); else { /* If TLS was not requested we skip this option and go to the next one. */ if (h->tls == LIBNBD_TLS_DISABLE) { SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START); return 0; } assert (CALLBACK_IS_NULL (h->opt_cb.completion)); } h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (NBD_OPT_STARTTLS); h->sbuf.option.optlen = 0; h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof (h->sbuf.option); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_SEND); return 0; } #line 2340 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_START; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.SEND: Send newstyle NBD_OPT_STARTTLS to upgrade to TLS */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 44 "generator/states-newstyle-opt-starttls.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->rbuf = &h->sbuf; h->rlen = sizeof (h->sbuf.or.option_reply); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY); } return 0; } #line 2384 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_SEND; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.RECV_REPLY: Receive newstyle NBD_OPT_STARTTLS reply */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 54 "generator/states-newstyle-opt-starttls.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (prepare_for_reply_payload (h, NBD_OPT_STARTTLS) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD); } return 0; } #line 2429 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.RECV_REPLY_PAYLOAD: Receive any newstyle * NBD_OPT_STARTTLS reply payload */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 66 "generator/states-newstyle-opt-starttls.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY); } return 0; } #line 2471 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.RECV_REPLY_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.CHECK_REPLY: Check newstyle NBD_OPT_STARTTLS reply */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 73 "generator/states-newstyle-opt-starttls.c" uint32_t reply; struct socket *new_sock; int err = ENOTSUP; reply = be32toh (h->sbuf.or.option_reply.reply); switch (reply) { case NBD_REP_ACK: if (h->tls_negotiated) { set_error (EPROTO, "handshake: unable to support server accepting TLS twice"); SET_NEXT_STATE (STATE_DEAD); return 0; } nbd_internal_reset_size_and_flags (h); h->structured_replies = false; h->extended_headers = false; h->meta_valid = false; new_sock = nbd_internal_crypto_create_session (h, h->sock); if (new_sock == NULL) { SET_NEXT_STATE (STATE_DEAD); return 0; } h->sock = new_sock; if (nbd_internal_crypto_is_reading (h)) SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE); return 0; case NBD_REP_ERR_INVALID: err = EINVAL; /* fallthrough */ default: if (handle_reply_error (h) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } /* Server refused to upgrade to TLS. If h->tls is not 'require' (2) * then we can continue unencrypted. */ if (h->tls == LIBNBD_TLS_REQUIRE) { SET_NEXT_STATE (STATE_NEWSTYLE_PREPARE_OPT_ABORT); set_error (ENOTSUP, "handshake: server refused TLS, " "but handle TLS setting is 'require' (2)"); return 0; } debug (h, "server refused TLS (%s)", reply == NBD_REP_ERR_POLICY ? "policy" : reply == NBD_REP_ERR_INVALID ? "invalid request" : "not supported"); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); if (h->opt_current == NBD_OPT_STARTTLS) SET_NEXT_STATE (STATE_NEGOTIATING); else { debug (h, "continuing with unencrypted connection"); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START); } return 0; } return 0; } #line 2568 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_READ: TLS handshake (reading) */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 137 "generator/states-newstyle-opt-starttls.c" int r; r = nbd_internal_crypto_handshake (h); if (r == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (r == 0) { SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE); return 0; } /* Continue handshake. */ if (nbd_internal_crypto_is_reading (h)) SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE); return 0; } #line 2620 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_READ", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_WRITE: TLS handshake (writing) */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 156 "generator/states-newstyle-opt-starttls.c" int r; r = nbd_internal_crypto_handshake (h); if (r == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (r == 0) { SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE); return 0; } /* Continue handshake. */ if (nbd_internal_crypto_is_reading (h)) SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE); return 0; } #line 2672 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_WRITE", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_DONE: TLS handshake complete */ static int enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 175 "generator/states-newstyle-opt-starttls.c" int err = 0; /* Finished handshake. */ h->tls_negotiated = true; nbd_internal_crypto_debug_tls_enabled (h); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); /* Continue with option negotiation. */ if (h->opt_current == NBD_OPT_STARTTLS) SET_NEXT_STATE (STATE_NEGOTIATING); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START); return 0; } #line 2721 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE; r = enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_DONE", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXTENDED_HEADERS.START: Try to negotiate newstyle * NBD_OPT_EXTENDED_HEADERS */ static int enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-newstyle-opt-extended-headers.c" assert (h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE); if (h->opt_current == NBD_OPT_EXTENDED_HEADERS) assert (h->opt_mode); else { assert (CALLBACK_IS_NULL (h->opt_cb.completion)); if (!h->request_eh || !h->request_sr) { SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START); return 0; } } h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (NBD_OPT_EXTENDED_HEADERS); h->sbuf.option.optlen = htobe32 (0); h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.option; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND); return 0; } #line 2777 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START; r = enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXTENDED_HEADERS.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXTENDED_HEADERS.SEND: Send newstyle NBD_OPT_EXTENDED_HEADERS * negotiation request */ static int enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 43 "generator/states-newstyle-opt-extended-headers.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->rbuf = &h->sbuf; h->rlen = sizeof h->sbuf.or.option_reply; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY); } return 0; } #line 2822 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND; r = enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXTENDED_HEADERS.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY: Receive newstyle * NBD_OPT_EXTENDED_HEADERS option reply */ static int enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 53 "generator/states-newstyle-opt-extended-headers.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (prepare_for_reply_payload (h, NBD_OPT_EXTENDED_HEADERS) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD); } return 0; } #line 2869 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY_PAYLOAD: Receive any newstyle * NBD_OPT_EXTENDED_HEADERS reply payload */ static int enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 65 "generator/states-newstyle-opt-extended-headers.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY); } return 0; } #line 2911 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD; r = enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXTENDED_HEADERS.CHECK_REPLY: Check newstyle * NBD_OPT_EXTENDED_HEADERS option reply */ static int enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 72 "generator/states-newstyle-opt-extended-headers.c" uint32_t reply; int err = ENOTSUP; reply = be32toh (h->sbuf.or.option_reply.reply); switch (reply) { case NBD_REP_ACK: debug (h, "negotiated extended headers on this connection"); h->extended_headers = true; /* Extended headers trump structured replies, so skip ahead. */ h->structured_replies = true; err = 0; break; case NBD_REP_ERR_INVALID: err = EINVAL; /* fallthrough */ default: if (handle_reply_error (h) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (h->extended_headers) debug (h, "extended headers already negotiated"); else debug (h, "extended headers are not supported by this server"); break; } /* Next option. */ if (h->opt_current == NBD_OPT_EXTENDED_HEADERS) SET_NEXT_STATE (STATE_NEGOTIATING); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); return 0; } #line 2984 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXTENDED_HEADERS.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STRUCTURED_REPLY.START: Try to negotiate newstyle * NBD_OPT_STRUCTURED_REPLY */ static int enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-newstyle-opt-structured-reply.c" assert (h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE); if (h->opt_current == NBD_OPT_STRUCTURED_REPLY) assert (h->opt_mode); else { assert (CALLBACK_IS_NULL (h->opt_cb.completion)); if (!h->request_sr || h->structured_replies) { if (h->opt_mode) SET_NEXT_STATE (STATE_NEGOTIATING); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_START); return 0; } } h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (NBD_OPT_STRUCTURED_REPLY); h->sbuf.option.optlen = htobe32 (0); h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.option; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND); return 0; } #line 3043 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START; r = enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STRUCTURED_REPLY.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STRUCTURED_REPLY.SEND: Send newstyle NBD_OPT_STRUCTURED_REPLY * negotiation request */ static int enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 46 "generator/states-newstyle-opt-structured-reply.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->rbuf = &h->sbuf; h->rlen = sizeof h->sbuf.or.option_reply; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY); } return 0; } #line 3088 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND; r = enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STRUCTURED_REPLY.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY: Receive newstyle * NBD_OPT_STRUCTURED_REPLY option reply */ static int enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 56 "generator/states-newstyle-opt-structured-reply.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (prepare_for_reply_payload (h, NBD_OPT_STRUCTURED_REPLY) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD); } return 0; } #line 3135 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY_PAYLOAD: Receive any newstyle * NBD_OPT_STRUCTURED_REPLY reply payload */ static int enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 68 "generator/states-newstyle-opt-structured-reply.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY); } return 0; } #line 3177 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD; r = enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_STRUCTURED_REPLY.CHECK_REPLY: Check newstyle * NBD_OPT_STRUCTURED_REPLY option reply */ static int enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 75 "generator/states-newstyle-opt-structured-reply.c" uint32_t reply; int err = ENOTSUP; reply = be32toh (h->sbuf.or.option_reply.reply); switch (reply) { case NBD_REP_ACK: debug (h, "negotiated structured replies on this connection"); h->structured_replies = true; err = 0; break; case NBD_REP_ERR_INVALID: case NBD_REP_ERR_EXT_HEADER_REQD: err = EINVAL; /* fallthrough */ default: if (handle_reply_error (h) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (h->structured_replies) debug (h, "structured replies already negotiated"); else debug (h, "structured replies are not supported by this server"); break; } /* Next option. */ if (h->opt_mode) SET_NEXT_STATE (STATE_NEGOTIATING); else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_START); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); return 0; } #line 3249 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_STRUCTURED_REPLY.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.START: Try to negotiate newstyle * NBD_OPT_SET_META_CONTEXT */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-newstyle-opt-meta-context.c" size_t i; uint32_t len, opt; /* This state group is reached from: * h->opt_mode == false (h->opt_current == 0): * nbd_connect_*() * -> conditionally use SET, next state OPT_GO for NBD_OPT_GO * h->opt_mode == true (h->opt_current matches calling API): * nbd_opt_info() * -> conditionally use SET, next state OPT_GO for NBD_OPT_INFO * nbd_opt_go() * -> conditionally use SET, next state OPT_GO for NBD_OPT_GO * nbd_opt_list_meta_context() * -> unconditionally use LIST, next state NEGOTIATING * nbd_opt_set_meta_context() * -> unconditionally use SET, next state NEGOTIATING * * If SET is conditional, we skip it if h->request_meta is false, if * structured replies were not negotiated, or if no contexts to request. * SET then manipulates h->meta_contexts, and sets h->meta_valid on * success, while LIST is stateless. * If OPT_GO is later successful, it populates h->exportsize and friends, * and also sets h->meta_valid if h->request_meta but we skipped SET here. * There is a callback if and only if the command is unconditional. */ assert (h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE); if (h->opt_current == NBD_OPT_LIST_META_CONTEXT) { assert (h->opt_mode); assert (CALLBACK_IS_NOT_NULL (h->opt_cb.fn.context)); opt = h->opt_current; } else { if (h->opt_current == NBD_OPT_SET_META_CONTEXT) assert (CALLBACK_IS_NOT_NULL (h->opt_cb.fn.context)); else assert (CALLBACK_IS_NULL (h->opt_cb.fn.context)); opt = NBD_OPT_SET_META_CONTEXT; if (h->request_meta || h->opt_current == opt) { for (i = 0; i < h->meta_contexts.len; ++i) free (h->meta_contexts.ptr[i].name); meta_vector_reset (&h->meta_contexts); h->meta_valid = false; } } if (opt != h->opt_current) { if (!h->request_meta || !h->structured_replies || h->request_meta_contexts.len == 0) { SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_START); return 0; } if (nbd_internal_set_querylist (h, NULL) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } } /* Calculate the length of the option request data. */ len = 4 /* exportname len */ + strlen (h->export_name) + 4 /* nr queries */; for (i = 0; i < h->querylist.len; ++i) len += 4 /* length of query */ + strlen (h->querylist.ptr[i]); h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (opt); h->sbuf.option.optlen = htobe32 (len); h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof (h->sbuf.option); h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_SEND); return 0; } #line 3356 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_START; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.SEND: Send newstyle NBD_OPT_SET_META_CONTEXT */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 94 "generator/states-newstyle-opt-meta-context.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->sbuf.len = htobe32 (strlen (h->export_name)); h->wbuf = &h->sbuf.len; h->wlen = sizeof h->sbuf.len; h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN); } return 0; } #line 3401 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_SEND; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAMELEN: Send newstyle * NBD_OPT_SET_META_CONTEXT export name length */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 106 "generator/states-newstyle-opt-meta-context.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->wbuf = h->export_name; h->wlen = strlen (h->export_name); h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME); } return 0; } #line 3447 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAMELEN", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAME: Send newstyle * NBD_OPT_SET_META_CONTEXT export name */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 117 "generator/states-newstyle-opt-meta-context.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->sbuf.nrqueries = htobe32 (h->querylist.len); h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.nrqueries; h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES); } return 0; } #line 3494 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAME", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.SEND_NRQUERIES: Send newstyle * NBD_OPT_SET_META_CONTEXT number of queries */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 129 "generator/states-newstyle-opt-meta-context.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->querynum = 0; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY); } return 0; } #line 3538 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.SEND_NRQUERIES", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.PREPARE_NEXT_QUERY: Prepare to send newstyle * NBD_OPT_SET_META_CONTEXT query */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 138 "generator/states-newstyle-opt-meta-context.c" if (h->querynum >= h->querylist.len) { /* end of list of requested meta contexts */ SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY); return 0; } const char *query = h->querylist.ptr[h->querynum]; h->sbuf.len = htobe32 (strlen (query)); h->wbuf = &h->sbuf.len; h->wlen = sizeof h->sbuf.len; h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN); return 0; } #line 3588 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.PREPARE_NEXT_QUERY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.SEND_QUERYLEN: Send newstyle * NBD_OPT_SET_META_CONTEXT query length */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 153 "generator/states-newstyle-opt-meta-context.c" const char *query = h->querylist.ptr[h->querynum]; switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->wbuf = query; h->wlen = strlen (query); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY); } return 0; } #line 3635 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.SEND_QUERYLEN", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.SEND_QUERY: Send newstyle NBD_OPT_SET_META_CONTEXT * query */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 165 "generator/states-newstyle-opt-meta-context.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->querynum++; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY); } return 0; } #line 3679 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.SEND_QUERY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.PREPARE_FOR_REPLY: Prepare to receive newstyle * NBD_OPT_SET_META_CONTEXT option reply */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 174 "generator/states-newstyle-opt-meta-context.c" h->rbuf = &h->sbuf.or.option_reply; h->rlen = sizeof h->sbuf.or.option_reply; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY); return 0; } #line 3720 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.PREPARE_FOR_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY: Receive newstyle * NBD_OPT_SET_META_CONTEXT option reply */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 180 "generator/states-newstyle-opt-meta-context.c" uint32_t opt; if (h->opt_current == NBD_OPT_LIST_META_CONTEXT) opt = h->opt_current; else opt = NBD_OPT_SET_META_CONTEXT; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (prepare_for_reply_payload (h, opt) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD); } return 0; } #line 3774 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY_PAYLOAD: Receive newstyle * NBD_OPT_SET_META_CONTEXT option reply payload */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 199 "generator/states-newstyle-opt-meta-context.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY); } return 0; } #line 3816 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_META_CONTEXT.CHECK_REPLY: Check newstyle * NBD_OPT_SET_META_CONTEXT option reply */ static int enter_STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 206 "generator/states-newstyle-opt-meta-context.c" uint32_t reply; uint32_t len; const size_t maxpayload = sizeof h->sbuf.or.payload.context; struct meta_context meta_context; uint32_t opt; int err = 0; if (h->opt_current == NBD_OPT_LIST_META_CONTEXT) opt = h->opt_current; else opt = NBD_OPT_SET_META_CONTEXT; reply = be32toh (h->sbuf.or.option_reply.reply); len = be32toh (h->sbuf.or.option_reply.replylen); switch (reply) { case NBD_REP_ACK: /* End of list of replies. */ if (opt == NBD_OPT_SET_META_CONTEXT) h->meta_valid = true; if (opt == h->opt_current) { SET_NEXT_STATE (STATE_NEGOTIATING); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); } else SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_START); break; case NBD_REP_META_CONTEXT: /* A context. */ if (len > maxpayload) debug (h, "skipping too large meta context"); else { assert (len > sizeof h->sbuf.or.payload.context.context.context_id); meta_context.context_id = be32toh (h->sbuf.or.payload.context.context.context_id); /* String payload is not NUL-terminated. */ meta_context.name = strndup (h->sbuf.or.payload.context.str, len - sizeof meta_context.context_id); if (meta_context.name == NULL) { set_error (errno, "strdup"); SET_NEXT_STATE (STATE_DEAD); return 0; } debug (h, "negotiated %s with context ID %" PRIu32, meta_context.name, meta_context.context_id); if (CALLBACK_IS_NOT_NULL (h->opt_cb.fn.context)) CALL_CALLBACK (h->opt_cb.fn.context, meta_context.name); if (opt == NBD_OPT_LIST_META_CONTEXT) free (meta_context.name); else if (meta_vector_append (&h->meta_contexts, meta_context) == -1) { set_error (errno, "realloc"); free (meta_context.name); SET_NEXT_STATE (STATE_DEAD); return 0; } } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY); break; default: /* Anything else is an error, report it for explicit LIST/SET, ignore it * for automatic progress (nbd_connect_*, nbd_opt_info, nbd_opt_go). */ if (handle_reply_error (h) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (opt == h->opt_current) { debug (h, "unexpected response, possibly the server does not " "support meta contexts"); err = ENOTSUP; CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); SET_NEXT_STATE (STATE_NEGOTIATING); } else { /* Treat ignored error as success only if list is still empty */ if (opt == NBD_OPT_SET_META_CONTEXT) h->meta_valid = h->meta_contexts.len == 0; debug (h, "handshake: ignoring unexpected error from " "NBD_OPT_SET_META_CONTEXT (%" PRIu32 ")", reply); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_START); } break; } return 0; } #line 3937 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_META_CONTEXT.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.START: Try to send newstyle NBD_OPT_GO to end handshake */ static int enter_STATE_NEWSTYLE_OPT_GO_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-newstyle-opt-go.c" uint16_t nrinfos = 0; nbd_internal_reset_size_and_flags (h); if (h->request_block_size) nrinfos++; if (h->full_info) nrinfos += 2; assert (h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE); if (h->opt_current == NBD_OPT_INFO) assert (h->opt_mode); else if (!h->opt_current) { assert (!h->opt_mode); assert (CALLBACK_IS_NULL (h->opt_cb.completion)); h->opt_current = NBD_OPT_GO; } h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (h->opt_current); h->sbuf.option.optlen = htobe32 (/* exportnamelen */ 4 + strlen (h->export_name) + sizeof nrinfos + 2 * nrinfos); h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.option; h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_SEND); return 0; } #line 3999 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_START; r = enter_STATE_NEWSTYLE_OPT_GO_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.SEND: Send newstyle NBD_OPT_GO to end handshake */ static int enter_STATE_NEWSTYLE_OPT_GO_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 51 "generator/states-newstyle-opt-go.c" const uint32_t exportnamelen = strlen (h->export_name); switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->sbuf.len = htobe32 (exportnamelen); h->wbuf = &h->sbuf; h->wlen = 4; h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN); } return 0; } #line 4046 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_SEND; r = enter_STATE_NEWSTYLE_OPT_GO_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.SEND_EXPORTNAMELEN: Send newstyle NBD_OPT_GO export name * length */ static int enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 65 "generator/states-newstyle-opt-go.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->wbuf = h->export_name; h->wlen = strlen (h->export_name); h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_SEND_EXPORT); } return 0; } #line 4092 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN; r = enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.SEND_EXPORTNAMELEN", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.SEND_EXPORT: Send newstyle NBD_OPT_GO export name */ static int enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORT ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 76 "generator/states-newstyle-opt-go.c" uint16_t nrinfos = 0; if (h->request_block_size) nrinfos++; if (h->full_info) nrinfos += 2; switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->sbuf.nrinfos = htobe16 (nrinfos); h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.nrinfos; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS); } return 0; } #line 4143 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORT ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_SEND_EXPORT; r = enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORT ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.SEND_EXPORT", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.SEND_NRINFOS: Send newstyle NBD_OPT_GO number of infos */ static int enter_STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 94 "generator/states-newstyle-opt-go.c" uint16_t nrinfos = 0; switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (h->request_block_size) h->sbuf.info[nrinfos++] = htobe16 (NBD_INFO_BLOCK_SIZE); if (h->full_info) { h->sbuf.info[nrinfos++] = htobe16 (NBD_INFO_NAME); h->sbuf.info[nrinfos++] = htobe16 (NBD_INFO_DESCRIPTION); } h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.info[0] * nrinfos; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_SEND_INFO); } return 0; } #line 4194 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS; r = enter_STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.SEND_NRINFOS", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.SEND_INFO: Send newstyle NBD_OPT_GO request for * NBD_INFO_BLOCK_SIZE */ static int enter_STATE_NEWSTYLE_OPT_GO_SEND_INFO ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 112 "generator/states-newstyle-opt-go.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->rbuf = &h->sbuf; h->rlen = sizeof h->sbuf.or.option_reply; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_RECV_REPLY); } return 0; } #line 4239 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_INFO ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_SEND_INFO; r = enter_STATE_NEWSTYLE_OPT_GO_SEND_INFO ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.SEND_INFO", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.RECV_REPLY: Receive newstyle NBD_OPT_GO reply */ static int enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 122 "generator/states-newstyle-opt-go.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (prepare_for_reply_payload (h, h->opt_current) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD); } return 0; } #line 4284 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.RECV_REPLY_PAYLOAD: Receive newstyle NBD_OPT_GO reply payload */ static int enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 134 "generator/states-newstyle-opt-go.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_CHECK_REPLY); } return 0; } #line 4325 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD; r = enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.RECV_REPLY_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_GO.CHECK_REPLY: Check newstyle NBD_OPT_GO reply */ static int enter_STATE_NEWSTYLE_OPT_GO_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 141 "generator/states-newstyle-opt-go.c" uint32_t reply; uint32_t len; const size_t maxpayload = sizeof h->sbuf.or.payload; int err; reply = be32toh (h->sbuf.or.option_reply.reply); len = be32toh (h->sbuf.or.option_reply.replylen); switch (reply) { case NBD_REP_INFO: if (len > maxpayload) { /* See prepare_for_reply_payload, used in RECV_REPLY */ assert (h->rbuf == NULL); debug (h, "skipping large NBD_REP_INFO"); } else { uint16_t info; uint64_t exportsize; uint16_t eflags; uint32_t min, pref, max; assert (len >= sizeof h->sbuf.or.payload.export.info); info = be16toh (h->sbuf.or.payload.export.info); switch (info) { case NBD_INFO_EXPORT: if (len != sizeof h->sbuf.or.payload.export) { SET_NEXT_STATE (STATE_DEAD); set_error (0, "handshake: incorrect NBD_INFO_EXPORT option reply " "length"); return 0; } exportsize = be64toh (h->sbuf.or.payload.export.exportsize); eflags = be16toh (h->sbuf.or.payload.export.eflags); if (nbd_internal_set_size_and_flags (h, exportsize, eflags) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } break; case NBD_INFO_BLOCK_SIZE: if (len != sizeof h->sbuf.or.payload.block_size) { SET_NEXT_STATE (STATE_DEAD); set_error (0, "handshake: incorrect NBD_INFO_BLOCK_SIZE option " "reply length"); return 0; } min = be32toh (h->sbuf.or.payload.block_size.minimum); pref = be32toh (h->sbuf.or.payload.block_size.preferred); max = be32toh (h->sbuf.or.payload.block_size.maximum); if (nbd_internal_set_block_size (h, min, pref, max) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } break; case NBD_INFO_NAME: if (len > sizeof h->sbuf.or.payload.name_desc.info + NBD_MAX_STRING || len < sizeof h->sbuf.or.payload.name_desc.info) { SET_NEXT_STATE (STATE_DEAD); set_error (0, "handshake: incorrect NBD_INFO_NAME option reply " "length"); return 0; } free (h->canonical_name); h->canonical_name = strndup (h->sbuf.or.payload.name_desc.str, len - 2); if (h->canonical_name == NULL) { SET_NEXT_STATE (STATE_DEAD); set_error (errno, "strndup"); return 0; } break; case NBD_INFO_DESCRIPTION: if (len > sizeof h->sbuf.or.payload.name_desc.info + NBD_MAX_STRING || len < sizeof h->sbuf.or.payload.name_desc.info) { SET_NEXT_STATE (STATE_DEAD); set_error (0, "handshake: incorrect NBD_INFO_DESCRIPTION option " "reply length"); return 0; } free (h->description); h->description = strndup (h->sbuf.or.payload.name_desc.str, len - 2); if (h->description == NULL) { SET_NEXT_STATE (STATE_DEAD); set_error (errno, "strndup"); return 0; } break; default: debug (h, "skipping unknown NBD_REP_INFO type %d", be16toh (h->sbuf.or.payload.export.info)); break; } } /* Server is allowed to send any number of NBD_REP_INFO, read next one. */ h->rbuf = &h->sbuf; h->rlen = sizeof (h->sbuf.or.option_reply); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_GO_RECV_REPLY); return 0; case NBD_REP_ERR_UNSUP: if (h->opt_current == NBD_OPT_GO) { debug (h, "server is confused by NBD_OPT_GO, continuing anyway"); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_START); return 0; } /* fallthrough */ default: if (handle_reply_error (h) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (reply == NBD_REP_ERR_UNSUP) assert (h->opt_current == NBD_OPT_INFO); nbd_internal_reset_size_and_flags (h); h->meta_valid = false; err = nbd_get_errno () ? : ENOTSUP; break; case NBD_REP_ACK: nbd_internal_set_payload (h); err = 0; break; } if (err == 0 && h->opt_current == NBD_OPT_GO) SET_NEXT_STATE (STATE_NEWSTYLE_FINISHED); else if (h->opt_mode) SET_NEXT_STATE (STATE_NEGOTIATING); else SET_NEXT_STATE (STATE_NEWSTYLE_PREPARE_OPT_ABORT); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); return 0; } #line 4490 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_GO_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_GO_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_GO.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXPORT_NAME.START: Try to send newstyle NBD_OPT_EXPORT_NAME to * end handshake */ static int enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-newstyle-opt-export-name.c" h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (NBD_OPT_EXPORT_NAME); h->sbuf.option.optlen = htobe32 (strlen (h->export_name)); h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.option; h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND); return 0; } #line 4536 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXPORT_NAME_START; r = enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXPORT_NAME.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXPORT_NAME.SEND: Send newstyle NBD_OPT_EXPORT_NAME to end * handshake */ static int enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 33 "generator/states-newstyle-opt-export-name.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->wbuf = h->export_name; h->wlen = strlen (h->export_name); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT); } return 0; } #line 4581 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND; r = enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXPORT_NAME.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXPORT_NAME.SEND_EXPORT: Send newstyle NBD_OPT_EXPORT_NAME * export name */ static int enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 43 "generator/states-newstyle-opt-export-name.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->rbuf = &h->sbuf; h->rlen = sizeof h->sbuf.export_name_reply; if ((h->gflags & LIBNBD_HANDSHAKE_FLAG_NO_ZEROES) != 0) h->rlen -= sizeof h->sbuf.export_name_reply.zeroes; SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY); } return 0; } #line 4628 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT; r = enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXPORT_NAME.SEND_EXPORT", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXPORT_NAME.RECV_REPLY: Receive newstyle NBD_OPT_EXPORT_NAME * reply */ static int enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 55 "generator/states-newstyle-opt-export-name.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY); } return 0; } #line 4670 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXPORT_NAME.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_EXPORT_NAME.CHECK_REPLY: Check newstyle NBD_OPT_EXPORT_NAME * reply */ static int enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 62 "generator/states-newstyle-opt-export-name.c" uint64_t exportsize; uint16_t eflags; int err = 0; exportsize = be64toh (h->sbuf.export_name_reply.exportsize); eflags = be16toh (h->sbuf.export_name_reply.eflags); if (nbd_internal_set_size_and_flags (h, exportsize, eflags) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } nbd_internal_set_payload (h); SET_NEXT_STATE (STATE_NEWSTYLE_FINISHED); CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); return 0; } #line 4722 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_EXPORT_NAME.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_LIST.START: Start listing exports if in list mode. */ static int enter_STATE_NEWSTYLE_OPT_LIST_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 25 "generator/states-newstyle-opt-list.c" assert (h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE); assert (h->opt_mode && h->opt_current == NBD_OPT_LIST); assert (CALLBACK_IS_NOT_NULL (h->opt_cb.fn.list)); h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (NBD_OPT_LIST); h->sbuf.option.optlen = 0; h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof (h->sbuf.option); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_LIST_SEND); return 0; } #line 4768 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_LIST_START; r = enter_STATE_NEWSTYLE_OPT_LIST_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_LIST.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_LIST.SEND: Send newstyle NBD_OPT_LIST to begin listing exports */ static int enter_STATE_NEWSTYLE_OPT_LIST_SEND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 38 "generator/states-newstyle-opt-list.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: h->rbuf = &h->sbuf; h->rlen = sizeof (h->sbuf.or.option_reply); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_LIST_RECV_REPLY); } return 0; } #line 4812 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_SEND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_LIST_SEND; r = enter_STATE_NEWSTYLE_OPT_LIST_SEND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_LIST.SEND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_LIST.RECV_REPLY: Receive NBD_REP_SERVER reply */ static int enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 48 "generator/states-newstyle-opt-list.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: if (prepare_for_reply_payload (h, NBD_OPT_LIST) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } SET_NEXT_STATE (STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD); } return 0; } #line 4857 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_LIST_RECV_REPLY; r = enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_LIST.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_LIST.RECV_REPLY_PAYLOAD: Receive NBD_REP_SERVER reply payload */ static int enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 60 "generator/states-newstyle-opt-list.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY); } return 0; } #line 4897 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD; r = enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_LIST.RECV_REPLY_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.OPT_LIST.CHECK_REPLY: Check NBD_REP_SERVER reply */ static int enter_STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 67 "generator/states-newstyle-opt-list.c" const size_t maxpayload = sizeof h->sbuf.or.payload.server; uint32_t reply; uint32_t len; char *tmp; int err; reply = be32toh (h->sbuf.or.option_reply.reply); len = be32toh (h->sbuf.or.option_reply.replylen); switch (reply) { case NBD_REP_SERVER: /* Got one export. */ if (len >= maxpayload) debug (h, "skipping too large export name reply"); else { uint32_t elen; const char *name; const char *desc; /* server.str is oversized for trailing NUL byte convenience */ h->sbuf.or.payload.server.str[len - 4] = '\0'; elen = be32toh (h->sbuf.or.payload.server.server.export_name_len); if (elen > len - 4 || elen > NBD_MAX_STRING || len - 4 - elen > NBD_MAX_STRING) { set_error (0, "invalid export length"); SET_NEXT_STATE (STATE_DEAD); return 0; } if (elen == len + 4) { tmp = NULL; name = h->sbuf.or.payload.server.str; desc = ""; } else { tmp = strndup (h->sbuf.or.payload.server.str, elen); if (tmp == NULL) { set_error (errno, "strdup"); SET_NEXT_STATE (STATE_DEAD); return 0; } name = tmp; desc = h->sbuf.or.payload.server.str + elen; } CALL_CALLBACK (h->opt_cb.fn.list, name, desc); free (tmp); } /* Wait for more replies. */ h->rbuf = &h->sbuf; h->rlen = sizeof (h->sbuf.or.option_reply); SET_NEXT_STATE (STATE_NEWSTYLE_OPT_LIST_RECV_REPLY); return 0; case NBD_REP_ACK: /* Finished receiving the list. */ err = 0; break; default: if (handle_reply_error (h) == -1) { SET_NEXT_STATE (STATE_DEAD); return 0; } debug (h, "unexpected response, possibly the server does not " "support listing exports"); err = ENOTSUP; break; } CALL_CALLBACK (h->opt_cb.completion, &err); nbd_internal_free_option (h); SET_NEXT_STATE (STATE_NEGOTIATING); return 0; } #line 5004 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY; r = enter_STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.OPT_LIST.CHECK_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.PREPARE_OPT_ABORT: Prepare to send NBD_OPT_ABORT */ static int enter_STATE_NEWSTYLE_PREPARE_OPT_ABORT ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 285 "generator/states-newstyle.c" assert ((h->gflags & LIBNBD_HANDSHAKE_FLAG_FIXED_NEWSTYLE) != 0); h->sbuf.option.version = htobe64 (NBD_NEW_VERSION); h->sbuf.option.option = htobe32 (NBD_OPT_ABORT); h->sbuf.option.optlen = htobe32 (0); h->chunks_sent++; h->wbuf = &h->sbuf; h->wlen = sizeof h->sbuf.option; SET_NEXT_STATE (STATE_NEWSTYLE_SEND_OPT_ABORT); return 0; } #line 5048 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_PREPARE_OPT_ABORT ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_PREPARE_OPT_ABORT; r = enter_STATE_NEWSTYLE_PREPARE_OPT_ABORT ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.PREPARE_OPT_ABORT", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.SEND_OPT_ABORT: Send NBD_OPT_ABORT to end negotiation */ static int enter_STATE_NEWSTYLE_SEND_OPT_ABORT ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 296 "generator/states-newstyle.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN); } return 0; } #line 5089 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_SEND_OPT_ABORT ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_SEND_OPT_ABORT; r = enter_STATE_NEWSTYLE_SEND_OPT_ABORT ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.SEND_OPT_ABORT", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.SEND_OPTION_SHUTDOWN: Sending write shutdown notification to the * remote server */ static int enter_STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 304 "generator/states-newstyle.c" /* We don't care if the server replies to NBD_OPT_ABORT. However, * unless we are in opt mode, we want to preserve the error message * from a failed OPT_GO by moving to DEAD instead. */ if (h->sock->ops->shut_writes (h, h->sock)) { if (h->opt_mode) SET_NEXT_STATE (STATE_CLOSED); else SET_NEXT_STATE (STATE_DEAD); } return 0; } #line 5137 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN; r = enter_STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.SEND_OPTION_SHUTDOWN", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEWSTYLE.FINISHED: Finish off newstyle negotiation */ static int enter_STATE_NEWSTYLE_FINISHED ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 317 "generator/states-newstyle.c" SET_NEXT_STATE (STATE_READY); return 0; } #line 5174 "lib/states.c" int nbd_internal_enter_STATE_NEWSTYLE_FINISHED ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEWSTYLE_FINISHED; r = enter_STATE_NEWSTYLE_FINISHED ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEWSTYLE.FINISHED", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* NEGOTIATING: Connection is ready to negotiate an NBD option */ static int enter_STATE_NEGOTIATING ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { return 0; } #line 5207 "lib/states.c" int nbd_internal_enter_STATE_NEGOTIATING ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_NEGOTIATING; r = enter_STATE_NEGOTIATING ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "NEGOTIATING", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* READY: Connection is ready to process NBD commands */ static int enter_STATE_READY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 183 "generator/states.c" if (h->cmds_to_issue) SET_NEXT_STATE (STATE_ISSUE_COMMAND_START); else { assert (h->sock); if (h->sock->ops->pending && h->sock->ops->pending (h->sock)) SET_NEXT_STATE (STATE_REPLY_START); } return 0; } #line 5250 "lib/states.c" int nbd_internal_enter_STATE_READY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_READY; r = enter_STATE_READY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "READY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.START: Begin issuing a command to the remote server */ static int enter_STATE_ISSUE_COMMAND_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-issue-command.c" struct command *cmd; assert (h->cmds_to_issue != NULL); cmd = h->cmds_to_issue; /* Were we interrupted by reading a reply to an earlier command? If * so, we can only get back here after a non-blocking jaunt through * the REPLY engine, which means we are unlikely to be unblocked for * writes yet; we want to advance back to the correct state but * without trying a send_from_wbuf that will likely return 1. */ if (h->in_write_shutdown) SET_NEXT_STATE_AND_BLOCK (STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN); else if (h->wlen) { if (h->in_write_payload) SET_NEXT_STATE_AND_BLOCK (STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD); else SET_NEXT_STATE_AND_BLOCK (STATE_ISSUE_COMMAND_SEND_REQUEST); return 0; } /* These fields are coincident between req.compact and req.extended */ h->req.compact.flags = htobe16 (cmd->flags); h->req.compact.type = htobe16 (cmd->type); h->req.compact.cookie = htobe64 (cmd->cookie); h->req.compact.offset = htobe64 (cmd->offset); if (h->extended_headers) { h->req.extended.magic = htobe32 (NBD_EXTENDED_REQUEST_MAGIC); h->req.extended.count = htobe64 (cmd->count); h->wlen = sizeof (h->req.extended); } else { assert (cmd->count <= UINT32_MAX); h->req.compact.magic = htobe32 (NBD_REQUEST_MAGIC); h->req.compact.count = htobe32 (cmd->count); h->wlen = sizeof (h->req.compact); } h->chunks_sent++; h->wbuf = &h->req; if (cmd->type == NBD_CMD_WRITE || cmd->next) h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_ISSUE_COMMAND_SEND_REQUEST); return 0; } #line 5328 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_START; r = enter_STATE_ISSUE_COMMAND_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.SEND_REQUEST: Sending a request to the remote server */ static int enter_STATE_ISSUE_COMMAND_SEND_REQUEST ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 67 "generator/states-issue-command.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD); } return 0; } #line 5368 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_REQUEST ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_SEND_REQUEST; r = enter_STATE_ISSUE_COMMAND_SEND_REQUEST ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.SEND_REQUEST", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.PAUSE_SEND_REQUEST: Interrupt send request to receive an * earlier command's reply */ static int enter_STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 74 "generator/states-issue-command.c" assert (h->wlen); assert (h->cmds_to_issue != NULL); h->in_write_payload = false; SET_NEXT_STATE (STATE_REPLY_START); return 0; } #line 5410 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST; r = enter_STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.PAUSE_SEND_REQUEST", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.PREPARE_WRITE_PAYLOAD: Prepare the write payload to send to the * remote server */ static int enter_STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 81 "generator/states-issue-command.c" struct command *cmd; assert (h->cmds_to_issue != NULL); cmd = h->cmds_to_issue; assert (cmd->cookie == be64toh (h->req.compact.cookie)); if (cmd->type == NBD_CMD_WRITE || (h->extended_headers && cmd->type == NBD_CMD_BLOCK_STATUS && cmd->flags & NBD_CMD_FLAG_PAYLOAD_LEN)) { h->wbuf = cmd->data; h->wlen = cmd->count; if (cmd->next && cmd->count < 64 * 1024) h->wflags = MSG_MORE; SET_NEXT_STATE (STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD); } else if (cmd->type == NBD_CMD_DISC) { h->in_write_shutdown = true; SET_NEXT_STATE (STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN); } else SET_NEXT_STATE (STATE_ISSUE_COMMAND_FINISH); return 0; } #line 5468 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD; r = enter_STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.PREPARE_WRITE_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.SEND_WRITE_PAYLOAD: Sending the write payload to the remote * server */ static int enter_STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 104 "generator/states-issue-command.c" switch (send_from_wbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 0: SET_NEXT_STATE (STATE_ISSUE_COMMAND_FINISH); } return 0; } #line 5510 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD; r = enter_STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.SEND_WRITE_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.PAUSE_WRITE_PAYLOAD: Interrupt write payload to receive an * earlier command's reply */ static int enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 111 "generator/states-issue-command.c" assert (h->wlen); assert (h->cmds_to_issue != NULL); h->in_write_payload = true; SET_NEXT_STATE (STATE_REPLY_START); return 0; } #line 5552 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD; r = enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.PAUSE_WRITE_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.SEND_WRITE_SHUTDOWN: Sending write shutdown notification to the * remote server */ static int enter_STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 118 "generator/states-issue-command.c" if (h->sock->ops->shut_writes (h, h->sock)) SET_NEXT_STATE (STATE_ISSUE_COMMAND_FINISH); return 0; } #line 5592 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN; r = enter_STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.SEND_WRITE_SHUTDOWN", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.PAUSE_WRITE_SHUTDOWN: Interrupt write shutdown to receive an * earlier command's reply */ static int enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 123 "generator/states-issue-command.c" assert (h->in_write_shutdown); SET_NEXT_STATE (STATE_REPLY_START); return 0; } #line 5632 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN; r = enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.PAUSE_WRITE_SHUTDOWN", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* ISSUE_COMMAND.FINISH: Finish issuing a command */ static int enter_STATE_ISSUE_COMMAND_FINISH ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 128 "generator/states-issue-command.c" struct command *cmd; assert (!h->wlen); assert (h->cmds_to_issue != NULL); cmd = h->cmds_to_issue; assert (cmd->cookie == be64toh (h->req.compact.cookie)); h->cmds_to_issue = cmd->next; if (h->cmds_to_issue_tail == cmd) h->cmds_to_issue_tail = NULL; cmd->next = h->cmds_in_flight; h->cmds_in_flight = cmd; SET_NEXT_STATE (STATE_READY); return 0; } #line 5680 "lib/states.c" int nbd_internal_enter_STATE_ISSUE_COMMAND_FINISH ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_ISSUE_COMMAND_FINISH; r = enter_STATE_ISSUE_COMMAND_FINISH ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "ISSUE_COMMAND.FINISH", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.START: Prepare to receive a reply from the remote server */ static int enter_STATE_REPLY_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 49 "generator/states-reply.c" /* If rlen is non-zero, we are resuming an earlier reply cycle. */ if (h->rlen > 0) { if (h->reply_state != STATE_START) { assert (nbd_internal_is_state_processing (h->reply_state)); SET_NEXT_STATE (h->reply_state); h->reply_state = STATE_START; } else SET_NEXT_STATE (STATE_REPLY_RECV_REPLY); return 0; } /* This state is entered when a read notification is received in the * READY state. Therefore we know the socket is readable here. * Reading a zero length now would indicate that the socket has been * closed by the server and so we should jump to the CLOSED state. * However recv_into_rbuf will fail in this case, so test it as a * special case. */ ssize_t r; /* With extended headers, there is only one size to read, so we can * do it all in one syscall. But for older structured replies, we * don't know if we have a simple or structured reply until we read * the magic number, requiring a two-part read with * CHECK_REPLY_MAGIC below. This works because the structured_reply * header is larger, and because the last member of a simple reply, * cookie, is coincident between all three structs (intentional * design decisions in the NBD spec when structured and extended * replies were added). */ ASSERT_MEMBER_ALIAS (union reply_header, simple.magic, magic); ASSERT_MEMBER_ALIAS (union reply_header, simple.cookie, cookie); ASSERT_MEMBER_ALIAS (union reply_header, structured.magic, magic); ASSERT_MEMBER_ALIAS (union reply_header, structured.cookie, cookie); ASSERT_MEMBER_ALIAS (union reply_header, extended.magic, magic); ASSERT_MEMBER_ALIAS (union reply_header, extended.cookie, cookie); assert (h->reply_cmd == NULL); assert (h->rlen == 0); h->rbuf = &h->sbuf.reply.hdr; if (h->extended_headers) h->rlen = sizeof h->sbuf.reply.hdr.extended; else h->rlen = sizeof h->sbuf.reply.hdr.simple; r = h->sock->ops->recv (h, h->sock, h->rbuf, h->rlen); if (r == -1) { /* In theory this should never happen because when we enter this * state we should have notification that the socket is ready to * read. However it can in fact happen when using TLS in * conjunction with a slow, remote server. If it does happen, * ignore it - we will reenter this same state again next time the * socket is ready to read. */ if (errno == EAGAIN || errno == EWOULDBLOCK) return 0; /* sock->ops->recv called set_error already. */ SET_NEXT_STATE (STATE_DEAD); return 0; } if (r == 0) { SET_NEXT_STATE (STATE_CLOSED); return 0; } #ifdef DUMP_PACKETS nbd_internal_hexdump (h->rbuf, r, stderr); #endif h->bytes_received += r; h->rbuf = (char *)h->rbuf + r; h->rlen -= r; SET_NEXT_STATE (STATE_REPLY_RECV_REPLY); return 0; } #line 5790 "lib/states.c" int nbd_internal_enter_STATE_REPLY_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_START; r = enter_STATE_REPLY_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.RECV_REPLY: Receive a reply from the remote server */ static int enter_STATE_REPLY_RECV_REPLY ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 126 "generator/states-reply.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: SET_NEXT_STATE (STATE_READY); /* Special case: if we have a short read, but got at least far * enough to decode the magic number, we can check if the server * is matching our expectations. This lets us avoid deadlocking if * we are blocked waiting for a 32-byte extended reply, while a * buggy server only sent a shorter simple or structured reply. * Magic number checks here must be repeated in CHECK_REPLY_MAGIC, * since we do not always encounter a short read. */ if (h->extended_headers && (char *)h->rbuf >= (char *)&h->sbuf.reply.hdr + sizeof h->sbuf.reply.hdr.magic) { uint32_t magic = be32toh (h->sbuf.reply.hdr.magic); if (magic != NBD_EXTENDED_REPLY_MAGIC) { SET_NEXT_STATE (STATE_DEAD); /* We've probably lost synchronization. */ set_error (0, "invalid or unexpected reply magic 0x%" PRIx32, magic); } } return 0; case 0: SET_NEXT_STATE (STATE_REPLY_CHECK_REPLY_MAGIC); } return 0; } #line 5849 "lib/states.c" int nbd_internal_enter_STATE_REPLY_RECV_REPLY ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_RECV_REPLY; r = enter_STATE_REPLY_RECV_REPLY ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.RECV_REPLY", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHECK_REPLY_MAGIC: Check if the reply has expected magic */ static int enter_STATE_REPLY_CHECK_REPLY_MAGIC ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 152 "generator/states-reply.c" struct command *cmd; uint32_t magic; uint64_t cookie; magic = be32toh (h->sbuf.reply.hdr.magic); switch (magic) { case NBD_SIMPLE_REPLY_MAGIC: if (h->extended_headers) /* Server is non-compliant, and we've already read more bytes * than a simple header contains; no recovery possible */ goto invalid; /* All other payload checks handled in the simple payload engine */ SET_NEXT_STATE (STATE_REPLY_SIMPLE_REPLY_START); break; case NBD_STRUCTURED_REPLY_MAGIC: if (h->extended_headers) /* Server is non-compliant, and we've already read more bytes * than a structured header contains; no recovery possible */ goto invalid; /* We've only read the bytes that fill hdr.simple. But * hdr.structured is longer, so prepare to read the remaining * bytes. We depend on the memory aliasing in union sbuf to * overlay the two reply types. */ STATIC_ASSERT (sizeof h->sbuf.reply.hdr.simple == offsetof (struct nbd_structured_reply, length), simple_structured_overlap); assert (h->rbuf == (char *)&h->sbuf + sizeof h->sbuf.reply.hdr.simple); h->rlen = sizeof h->sbuf.reply.hdr.structured; h->rlen -= sizeof h->sbuf.reply.hdr.simple; SET_NEXT_STATE (STATE_REPLY_RECV_STRUCTURED_REMAINING); break; case NBD_EXTENDED_REPLY_MAGIC: if (!h->extended_headers) /* Server is non-compliant. We could continue reading bytes up * to the length of an extended reply to regain sync, but old * servers are unlikely to send this magic, so it's just as easy * to punt. */ goto invalid; /* All other payload checks handled in the chunk payload engine */ SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_START); break; default: goto invalid; } /* NB: This works for all three reply types, even though we haven't * finished reading a structured header yet, because the cookie is * stored at the same offset. See the ASSERT_MEMBER_ALIAS above in * state REPLY.START that confirmed this. */ h->chunks_received++; cookie = be64toh (h->sbuf.reply.hdr.cookie); /* Find the command amongst the commands in flight. If the server sends * a reply for an unknown cookie, FINISH will diagnose that later. */ for (cmd = h->cmds_in_flight; cmd != NULL; cmd = cmd->next) { if (cmd->cookie == cookie) break; } h->reply_cmd = cmd; return 0; invalid: SET_NEXT_STATE (STATE_DEAD); /* We've probably lost synchronization. */ set_error (0, "invalid or unexpected reply magic 0x%" PRIx32, magic); #if 0 /* uncomment to see desynchronized data */ nbd_internal_hexdump (&h->sbuf.reply.hdr.simple, sizeof (h->sbuf.reply.hdr.simple), stderr); #endif return 0; } #line 5965 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHECK_REPLY_MAGIC ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHECK_REPLY_MAGIC; r = enter_STATE_REPLY_CHECK_REPLY_MAGIC ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHECK_REPLY_MAGIC", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.RECV_STRUCTURED_REMAINING: Receiving the remaining part of a structured * reply header */ static int enter_STATE_REPLY_RECV_STRUCTURED_REMAINING ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 235 "generator/states-reply.c" switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_START); } return 0; } #line 6011 "lib/states.c" int nbd_internal_enter_STATE_REPLY_RECV_STRUCTURED_REMAINING ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_RECV_STRUCTURED_REMAINING; r = enter_STATE_REPLY_RECV_STRUCTURED_REMAINING ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.RECV_STRUCTURED_REMAINING", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.SIMPLE_REPLY.START: Parse a simple reply from the server */ static int enter_STATE_REPLY_SIMPLE_REPLY_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 22 "generator/states-reply-simple.c" struct command *cmd = h->reply_cmd; uint32_t error; error = be32toh (h->sbuf.reply.hdr.simple.error); if (cmd == NULL) { /* Unexpected reply. If error was set or we have structured * replies, we know there should be no payload, so the next byte * on the wire (if any) will be another reply, and we can let * FINISH_COMMAND diagnose/ignore the server bug. If not, we lack * context to know whether the server thinks it was responding to * NBD_CMD_READ, so it is safer to move to DEAD now than to risk * consuming a server's potential data payload as a reply stream * (even though we would be likely to produce a magic number * mismatch on the next pass that would also move us to DEAD). */ if (error || h->structured_replies) SET_NEXT_STATE (STATE_REPLY_FINISH_COMMAND); else { uint64_t cookie = be64toh (h->sbuf.reply.hdr.simple.cookie); SET_NEXT_STATE (STATE_DEAD); set_error (EPROTO, "no matching cookie %" PRIu64 " found for server reply, " "this is probably a server bug", cookie); } return 0; } /* Although a server with structured replies negotiated is in error * for using a simple reply to NBD_CMD_READ, we can cope with the * packet, but diagnose it by failing the read with EPROTO. */ if (cmd->type == NBD_CMD_READ && h->structured_replies) { debug (h, "server sent unexpected simple reply for read"); if (cmd->error == 0) cmd->error = EPROTO; } error = nbd_internal_errno_of_nbd_error (error); if (cmd->error == 0) cmd->error = error; if (error == 0 && cmd->type == NBD_CMD_READ) { h->rbuf = cmd->data; h->rlen = cmd->count; cmd->data_seen += cmd->count; SET_NEXT_STATE (STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD); } else { SET_NEXT_STATE (STATE_REPLY_FINISH_COMMAND); } return 0; } #line 6097 "lib/states.c" int nbd_internal_enter_STATE_REPLY_SIMPLE_REPLY_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_SIMPLE_REPLY_START; r = enter_STATE_REPLY_SIMPLE_REPLY_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.SIMPLE_REPLY.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.SIMPLE_REPLY.RECV_READ_PAYLOAD: Receiving the read payload for a simple * reply */ static int enter_STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 75 "generator/states-reply-simple.c" struct command *cmd = h->reply_cmd; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: /* guaranteed by START */ assert (cmd); if (CALLBACK_IS_NOT_NULL (cmd->cb.fn.chunk)) { int error = cmd->error; if (CALL_CALLBACK (cmd->cb.fn.chunk, cmd->data, cmd->count, cmd->offset, LIBNBD_READ_DATA, &error) == -1) cmd->error = error ? error : EPROTO; } SET_NEXT_STATE (STATE_REPLY_FINISH_COMMAND); } return 0; } #line 6158 "lib/states.c" int nbd_internal_enter_STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD; r = enter_STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.SIMPLE_REPLY.RECV_READ_PAYLOAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.START: Start parsing a chunk reply payload from the server */ static int enter_STATE_REPLY_CHUNK_REPLY_START ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 79 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint16_t flags, type; uint64_t length; uint64_t offset = -1; flags = be16toh (h->sbuf.reply.hdr.structured.flags); type = be16toh (h->sbuf.reply.hdr.structured.type); if (h->extended_headers) { length = be64toh (h->sbuf.reply.hdr.extended.length); offset = be64toh (h->sbuf.reply.hdr.extended.offset); } else length = be32toh (h->sbuf.reply.hdr.structured.length); /* Reject a server that replies with too much information, but don't * reject a single structured reply to NBD_CMD_READ on the largest * size we were willing to send. The most likely culprit is a server * that replies with block status with way too many extents, but any * oversized reply is going to take long enough to resync that it is * not worth keeping the connection alive. */ if (length > MAX_REQUEST_SIZE + sizeof h->sbuf.reply.payload.offset_data) { set_error (0, "invalid server reply length %" PRIu64, length); SET_NEXT_STATE (STATE_DEAD); return 0; } /* Skip an unexpected structured reply, including to an unknown cookie. */ if (cmd == NULL || !h->structured_replies || (h->extended_headers && offset != cmd->offset)) goto resync; h->payload_left = length; switch (type) { case NBD_REPLY_TYPE_NONE: if (length != 0 || !(flags & NBD_REPLY_FLAG_DONE)) goto resync; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_FINISH); break; case NBD_REPLY_TYPE_OFFSET_DATA: /* The spec states that 0-length requests are unspecified, but * 0-length replies are broken. Still, it's easy enough to support * them as an extension, so we use < instead of <=. */ if (cmd->type != NBD_CMD_READ || length < sizeof h->sbuf.reply.payload.offset_data) goto resync; h->rbuf = &h->sbuf.reply.payload.offset_data; h->rlen = sizeof h->sbuf.reply.payload.offset_data; h->payload_left -= h->rlen; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA); break; case NBD_REPLY_TYPE_OFFSET_HOLE: if (cmd->type != NBD_CMD_READ || length != sizeof h->sbuf.reply.payload.offset_hole) goto resync; h->rbuf = &h->sbuf.reply.payload.offset_hole; h->rlen = sizeof h->sbuf.reply.payload.offset_hole; h->payload_left -= h->rlen; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE); break; case NBD_REPLY_TYPE_BLOCK_STATUS: case NBD_REPLY_TYPE_BLOCK_STATUS_EXT: if (cmd->type != NBD_CMD_BLOCK_STATUS || !h->meta_valid || h->meta_contexts.len == 0 || !bs_reply_length_ok (type, length)) goto resync; ASSERT_MEMBER_ALIAS (struct command_cb, fn.extent32, fn.extent64); assert (CALLBACK_IS_NOT_NULL (cmd->cb.fn.extent32)); if (h->extended_headers != (type == NBD_REPLY_TYPE_BLOCK_STATUS_EXT)) { debug (h, "wrong block status reply type detected, " "this is probably a server bug"); if (cmd->error == 0) cmd->error = EPROTO; } /* Start by reading the context ID. */ h->rbuf = &h->sbuf.reply.payload; if (type == NBD_REPLY_TYPE_BLOCK_STATUS) h->rlen = sizeof h->sbuf.reply.payload.bs_hdr_32; else h->rlen = sizeof h->sbuf.reply.payload.bs_hdr_64; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER); break; default: if (NBD_REPLY_TYPE_IS_ERR (type)) { /* Any payload shorter than uint32_t cannot even carry an errno * value; anything longer, even if it is not long enough to be * compliant, will favor the wire error over EPROTO during more * length checks in RECV_ERROR_MESSAGE and RECV_ERROR_TAIL. */ if (length < sizeof h->sbuf.reply.payload.error.error.error) goto resync; h->rbuf = &h->sbuf.reply.payload.error.error; h->rlen = MIN (length, sizeof h->sbuf.reply.payload.error.error); SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_ERROR); } else goto resync; break; } return 0; resync: h->rbuf = NULL; h->rlen = h->payload_left; h->payload_left = 0; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RESYNC); return 0; } #line 6306 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_START ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_START; r = enter_STATE_REPLY_CHUNK_REPLY_START ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.START", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_ERROR: Receive a chunk reply error header */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 193 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint32_t length, msglen, error; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: length = h->payload_left; h->payload_left -= MIN (length, sizeof h->sbuf.reply.payload.error.error); assert (length >= sizeof h->sbuf.reply.payload.error.error.error); assert (cmd); if (length < sizeof h->sbuf.reply.payload.error.error) goto resync; msglen = be16toh (h->sbuf.reply.payload.error.error.len); if (msglen > h->payload_left || msglen > sizeof h->sbuf.reply.payload.error.msg) goto resync; h->rbuf = h->sbuf.reply.payload.error.msg; h->rlen = msglen; h->payload_left -= h->rlen; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE); } return 0; resync: /* Favor the error packet's errno over RESYNC's EPROTO. */ error = be32toh (h->sbuf.reply.payload.error.error.error); if (cmd->error == 0) cmd->error = nbd_internal_errno_of_nbd_error (error); h->rbuf = NULL; h->rlen = h->payload_left; h->payload_left = 0; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RESYNC); return 0; } #line 6381 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_ERROR; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_ERROR", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_ERROR_MESSAGE: Receive a chunk reply error message */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 235 "generator/states-reply-chunk.c" uint32_t msglen; uint16_t type; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: msglen = be16toh (h->sbuf.reply.payload.error.error.len); type = be16toh (h->sbuf.reply.hdr.structured.type); if (msglen) debug (h, "structured error server message: %.*s", (int)msglen, h->sbuf.reply.payload.error.msg); /* Special case two specific errors; silently ignore tail for all others */ h->rbuf = NULL; h->rlen = h->payload_left; switch (type) { case NBD_REPLY_TYPE_ERROR: if (h->payload_left != 0) debug (h, "ignoring unexpected slop after error message, " "the server may have a bug"); break; case NBD_REPLY_TYPE_ERROR_OFFSET: if (h->payload_left != sizeof h->sbuf.reply.payload.error.offset) debug (h, "unable to safely extract error offset, " "the server may have a bug"); else h->rbuf = &h->sbuf.reply.payload.error.offset; break; } h->payload_left = 0; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL); } return 0; } #line 6454 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_ERROR_MESSAGE", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_ERROR_TAIL: Receive a chunk reply error tail */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 275 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint32_t error; uint16_t type; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: error = be32toh (h->sbuf.reply.payload.error.error.error); type = be16toh (h->sbuf.reply.hdr.structured.type); assert (cmd); /* guaranteed by CHECK */ /* The spec requires the server to send a non-zero error */ error = nbd_internal_errno_of_nbd_error (error); if (error == 0) { debug (h, "server forgot to set error; using EPROTO"); error = EPROTO; } /* Sanity check that any error offset is in range, then invoke * user callback if present. Ignore the offset if it was bogus. */ if (type == NBD_REPLY_TYPE_ERROR_OFFSET && h->rbuf) { uint64_t offset = be64toh (h->sbuf.reply.payload.error.offset); if (structured_reply_in_bounds (offset, 0, cmd) && cmd->type == NBD_CMD_READ && CALLBACK_IS_NOT_NULL (cmd->cb.fn.chunk)) { int scratch = error; /* Different from successful reads: inform the callback about the * current error rather than any earlier one. If the callback fails * without setting errno, then use the server's error below. */ if (CALL_CALLBACK (cmd->cb.fn.chunk, (char *)cmd->data + (offset - cmd->offset), 0, offset, LIBNBD_READ_ERROR, &scratch) == -1) if (cmd->error == 0) cmd->error = scratch; } else debug (h, "no use for error offset %" PRIu64, offset); } /* Preserve first error encountered */ if (cmd->error == 0) cmd->error = error; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_FINISH); } return 0; } #line 6544 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_ERROR_TAIL", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_OFFSET_DATA: Receive a chunk reply offset-data header */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 332 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint64_t offset; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: offset = be64toh (h->sbuf.reply.payload.offset_data.offset); assert (cmd); /* guaranteed by CHECK */ assert (cmd->data && cmd->type == NBD_CMD_READ); /* Is the data within bounds? */ if (! structured_reply_in_bounds (offset, h->payload_left, cmd)) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (cmd->data_seen <= cmd->count) cmd->data_seen += h->payload_left; /* Now this is the byte offset in the read buffer. */ offset -= cmd->offset; /* Set up to receive the data directly to the user buffer. */ h->rbuf = (char *)cmd->data + offset; h->rlen = h->payload_left; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA); } return 0; } #line 6611 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_OFFSET_DATA", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_OFFSET_DATA_DATA: Receive a chunk reply offset-data * block of data */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 365 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint64_t offset; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: offset = be64toh (h->sbuf.reply.payload.offset_data.offset); assert (cmd); /* guaranteed by CHECK */ if (CALLBACK_IS_NOT_NULL (cmd->cb.fn.chunk)) { int error = cmd->error; if (CALL_CALLBACK (cmd->cb.fn.chunk, (char *)cmd->data + (offset - cmd->offset), h->payload_left, offset, LIBNBD_READ_DATA, &error) == -1) if (cmd->error == 0) cmd->error = error ? error : EPROTO; } h->payload_left = 0; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_FINISH); } return 0; } #line 6676 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_OFFSET_DATA_DATA", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_OFFSET_HOLE: Receive a chunk reply offset-hole header */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 395 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint64_t offset; uint32_t length; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: offset = be64toh (h->sbuf.reply.payload.offset_hole.offset); length = be32toh (h->sbuf.reply.payload.offset_hole.length); assert (cmd); /* guaranteed by CHECK */ assert (cmd->data && cmd->type == NBD_CMD_READ); /* Is the data within bounds? */ if (! structured_reply_in_bounds (offset, length, cmd)) { SET_NEXT_STATE (STATE_DEAD); return 0; } if (cmd->data_seen <= cmd->count) cmd->data_seen += length; /* Now this is the byte offset in the read buffer. */ offset -= cmd->offset; /* The spec states that 0-length requests are unspecified, but * 0-length replies are broken. Still, it's easy enough to support * them as an extension, and this works even when length == 0. */ if (!cmd->initialized) memset ((char *)cmd->data + offset, 0, length); if (CALLBACK_IS_NOT_NULL (cmd->cb.fn.chunk)) { int error = cmd->error; if (CALL_CALLBACK (cmd->cb.fn.chunk, (char *)cmd->data + offset, length, cmd->offset + offset, LIBNBD_READ_HOLE, &error) == -1) if (cmd->error == 0) cmd->error = error ? error : EPROTO; } SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_FINISH); } return 0; } #line 6759 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_OFFSET_HOLE", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_BS_HEADER: Receive header of a chunk reply * block-status payload */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 444 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint16_t type; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: type = be16toh (h->sbuf.reply.hdr.structured.type); assert (cmd); /* guaranteed by CHECK */ assert (cmd->type == NBD_CMD_BLOCK_STATUS); assert (bs_reply_length_ok (type, h->payload_left)); STATIC_ASSERT (sizeof (struct nbd_block_descriptor_32) == 2 * sizeof *h->bs_cooked.narrow, _block_desc_is_multiple_of_bs_entry); ASSERT_MEMBER_ALIAS (union chunk_payload, bs_hdr_32.context_id, bs_hdr_64.context_id); if (type == NBD_REPLY_TYPE_BLOCK_STATUS) { h->payload_left -= sizeof h->sbuf.reply.payload.bs_hdr_32; assert (h->payload_left % sizeof *h->bs_raw.narrow == 0); h->bs_count = h->payload_left / sizeof *h->bs_raw.narrow; } else { assert (type == NBD_REPLY_TYPE_BLOCK_STATUS_EXT); h->payload_left -= sizeof h->sbuf.reply.payload.bs_hdr_64; assert (h->payload_left % sizeof *h->bs_raw.wide == 0); h->bs_count = h->payload_left / sizeof *h->bs_raw.wide; if (h->bs_count != be32toh (h->sbuf.reply.payload.bs_hdr_64.count)) { h->rbuf = NULL; h->rlen = h->payload_left; h->payload_left = 0; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RESYNC); return 0; } } free (h->bs_raw.storage); free (h->bs_cooked.storage); h->bs_raw.storage = malloc (h->payload_left); if (cmd->cb.wide) h->bs_cooked.storage = malloc (h->bs_count * sizeof *h->bs_cooked.wide); else h->bs_cooked.storage = malloc (2 * h->bs_count * sizeof *h->bs_cooked.narrow); if (h->bs_raw.storage == NULL || h->bs_cooked.storage == NULL) { SET_NEXT_STATE (STATE_DEAD); set_error (errno, "malloc"); free (h->bs_raw.storage); free (h->bs_cooked.storage); h->bs_raw.storage = NULL; h->bs_cooked.storage = NULL; return 0; } h->rbuf = h->bs_raw.storage; h->rlen = h->payload_left; h->payload_left = 0; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES); } return 0; } #line 6860 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_BS_HEADER", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RECV_BS_ENTRIES: Receive entries array of chunk reply * block-status payload */ static int enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 510 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint16_t type; size_t i; uint32_t context_id; int error; const char *name; uint64_t orig_len, len, flags; uint64_t total, cap; bool stop; int ret; switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: type = be16toh (h->sbuf.reply.hdr.structured.type); assert (cmd); /* guaranteed by CHECK */ assert (cmd->type == NBD_CMD_BLOCK_STATUS); assert (CALLBACK_IS_NOT_NULL (cmd->cb.fn.extent32)); assert (h->bs_count && h->bs_raw.storage); assert (h->meta_valid); /* Look up the context ID. Depends on ASSERT_MEMBER_ALIAS above. */ context_id = be32toh (h->sbuf.reply.payload.bs_hdr_32.context_id); for (i = 0; i < h->meta_contexts.len; ++i) if (context_id == h->meta_contexts.ptr[i].context_id) break; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_FINISH); if (i == h->meta_contexts.len) { /* Emit a debug message, but ignore it. */ debug (h, "server sent unexpected meta context ID %" PRIu32, context_id); break; } /* Be careful to avoid arithmetic overflow, even when the user * disabled LIBNBD_STRICT_BOUNDS to pass a suspect offset, or the * server returns suspect lengths or advertised exportsize larger * than 63 bits. We guarantee that callbacks will not see a * length exceeding INT64_MAX or the advertised h->exportsize. */ name = h->meta_contexts.ptr[i].name; total = cap = 0; if (cmd->offset <= h->exportsize) cap = h->exportsize - cmd->offset; /* Need to byte-swap the entries returned into the callback size * requested by the caller. The NBD protocol allows truncation as * long as progress is made; the client cannot tell the difference * between a server's truncation or if we truncate on a length we * don't like. We stop iterating on a zero-length extent (error * only if it is the first extent), on an extent beyond the * exportsize (unconditional error after truncating to * exportsize), and on an extent exceeding a callback length limit * (no error, and to simplify alignment, we truncate to 64M before * the limit); but we do not diagnose issues with the server's * length alignments, flag values, nor compliance with the REQ_ONE * command flag. */ for (i = 0, stop = false; i < h->bs_count && !stop; ++i) { if (type == NBD_REPLY_TYPE_BLOCK_STATUS) { orig_len = len = be32toh (h->bs_raw.narrow[i].length); flags = be32toh (h->bs_raw.narrow[i].status_flags); } else { orig_len = len = be64toh (h->bs_raw.wide[i].length); if (len > INT64_MAX) { /* Pick an aligned value rather than overflowing 64-bit * callback; this does not require an error. */ stop = true; len = INT64_MAX + 1ULL - MAX_REQUEST_SIZE; } if (len > UINT32_MAX && !cmd->cb.wide) { /* Pick an aligned value rather than overflowing 32-bit * callback; this does not require an error. */ stop = true; len = (uint32_t)-MAX_REQUEST_SIZE; } flags = be64toh (h->bs_raw.wide[i].status_flags); if (flags > UINT32_MAX && !cmd->cb.wide) { stop = true; if (i > 0) break; /* Skip this and later extents; we already made progress */ /* Expose this extent as an error; we made no progress */ cmd->error = cmd->error ? : EOVERFLOW; flags = (uint32_t)flags; } } assert (total <= cap); if (len > cap - total) { /* Truncate and expose this extent as an error */ len = cap - total; stop = true; cmd->error = cmd->error ? : EPROTO; } if (len == 0) { stop = true; if (i > 0) break; /* Skip this and later extents; we already made progress */ /* Expose this extent as an error; we made no progress */ cmd->error = cmd->error ? : EPROTO; } total += len; if (cmd->cb.wide) { h->bs_cooked.wide[i].length = len; h->bs_cooked.wide[i].flags = flags; } else { assert ((len | flags) <= UINT32_MAX); h->bs_cooked.narrow[i * 2] = len; h->bs_cooked.narrow[i * 2 + 1] = flags; } } /* Call the caller's extent function. Yes, our 32-bit public API * foolishly tracks the number of uint32_t instead of block * descriptors; see _block_desc_is_multiple_of_bs_entry above. */ if (stop) debug (h, "truncating server's response at unexpected extent length %" PRIu64 " and total %" PRIu64 " near extent %zu", orig_len, total, i); error = cmd->error; if (cmd->cb.wide) ret = CALL_CALLBACK (cmd->cb.fn.extent64, name, cmd->offset, h->bs_cooked.wide, i, &error); else ret = CALL_CALLBACK (cmd->cb.fn.extent32, name, cmd->offset, h->bs_cooked.narrow, i * 2, &error); if (ret == -1 && cmd->error == 0) cmd->error = error ? error : EPROTO; } return 0; } #line 7038 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES; r = enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RECV_BS_ENTRIES", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.RESYNC: Ignore payload of an unexpected chunk reply */ static int enter_STATE_REPLY_CHUNK_REPLY_RESYNC ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 653 "generator/states-reply-chunk.c" struct command *cmd = h->reply_cmd; uint16_t type; uint64_t length; uint64_t offset = -1; assert (h->rbuf == NULL); switch (recv_into_rbuf (h)) { case -1: SET_NEXT_STATE (STATE_DEAD); return 0; case 1: save_reply_state (h); SET_NEXT_STATE (STATE_READY); return 0; case 0: /* If this reply is to an unknown command, FINISH_COMMAND will * diagnose and ignore the server bug. Otherwise, ensure the * pending command sees a failure of EPROTO if it does not already * have an error. */ if (cmd == NULL) { SET_NEXT_STATE (STATE_REPLY_FINISH_COMMAND); return 0; } type = be16toh (h->sbuf.reply.hdr.structured.type); if (h->extended_headers) { length = be64toh (h->sbuf.reply.hdr.extended.length); offset = be64toh (h->sbuf.reply.hdr.extended.offset); if (offset != cmd->offset) debug (h, "unexpected reply offset %" PRIu64 " for cookie %" PRIu64 " and command %" PRIu32 ", this is probably a server bug", length, cmd->cookie, cmd->type); else offset = -1; } else length = be32toh (h->sbuf.reply.hdr.structured.length); if (offset == -1) debug (h, "unexpected reply type %u or payload length %" PRIu64 " for cookie %" PRIu64 " and command %" PRIu32 ", this is probably a server bug", type, length, cmd->cookie, cmd->type); if (cmd->error == 0) cmd->error = EPROTO; SET_NEXT_STATE (STATE_REPLY_CHUNK_REPLY_FINISH); } return 0; } #line 7118 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RESYNC ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_RESYNC; r = enter_STATE_REPLY_CHUNK_REPLY_RESYNC ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.RESYNC", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.CHUNK_REPLY.FINISH: Finish receiving a chunk reply */ static int enter_STATE_REPLY_CHUNK_REPLY_FINISH ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 700 "generator/states-reply-chunk.c" uint16_t flags; assert (h->payload_left == 0); flags = be16toh (h->sbuf.reply.hdr.structured.flags); if (flags & NBD_REPLY_FLAG_DONE) { SET_NEXT_STATE (STATE_REPLY_FINISH_COMMAND); } else { h->reply_cmd = NULL; SET_NEXT_STATE (STATE_READY); } return 0; } #line 7165 "lib/states.c" int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_FINISH ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_CHUNK_REPLY_FINISH; r = enter_STATE_REPLY_CHUNK_REPLY_FINISH ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.CHUNK_REPLY.FINISH", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* REPLY.FINISH_COMMAND: Finish receiving a command */ static int enter_STATE_REPLY_FINISH_COMMAND ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 246 "generator/states-reply.c" struct command *prev_cmd, *cmd; uint64_t cookie; bool retire; /* NB: This works for both simple and structured replies because the * handle (our cookie) is stored at the same offset. See the * STATIC_ASSERT above in state REPLY.START that confirmed this. */ cookie = be64toh (h->sbuf.reply.hdr.cookie); /* Find the command amongst the commands in flight. */ for (cmd = h->cmds_in_flight, prev_cmd = NULL; cmd != NULL; prev_cmd = cmd, cmd = cmd->next) { if (cmd->cookie == cookie) break; } assert (h->reply_cmd == cmd); if (cmd == NULL) { debug (h, "skipped reply for unexpected cookie %" PRIu64 ", this is probably a bug in the server", cookie); SET_NEXT_STATE (STATE_READY); return 0; } retire = cmd->type == NBD_CMD_DISC; h->reply_cmd = NULL; /* Notify the user */ if (CALLBACK_IS_NOT_NULL (cmd->cb.completion)) { int error = cmd->error; int r; assert (cmd->type != NBD_CMD_DISC); r = CALL_CALLBACK (cmd->cb.completion, &error); switch (r) { case -1: if (error) cmd->error = error; break; case 1: retire = true; break; } } /* Move it to the end of the cmds_done list. */ if (prev_cmd != NULL) prev_cmd->next = cmd->next; else h->cmds_in_flight = cmd->next; cmd->next = NULL; if (retire) nbd_internal_retire_and_free_command (cmd); else { if (h->cmds_done_tail != NULL) h->cmds_done_tail = h->cmds_done_tail->next = cmd; else { assert (h->cmds_done == NULL); h->cmds_done = h->cmds_done_tail = cmd; } } h->in_flight--; assert (h->in_flight >= 0); SET_NEXT_STATE (STATE_READY); return 0; } #line 7266 "lib/states.c" int nbd_internal_enter_STATE_REPLY_FINISH_COMMAND ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_REPLY_FINISH_COMMAND; r = enter_STATE_REPLY_FINISH_COMMAND ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "REPLY.FINISH_COMMAND", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* DEAD: Connection is in an unrecoverable error state, can only be closed */ static int enter_STATE_DEAD ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 193 "generator/states.c" const char *err = nbd_get_error (); /* The caller should have used set_error() before reaching here */ assert (err != NULL); debug (h, "handle dead: %s", err); abort_option (h); nbd_internal_abort_commands (h, &h->cmds_to_issue); nbd_internal_abort_commands (h, &h->cmds_in_flight); h->in_flight = 0; if (h->sock) { h->sock->ops->close (h->sock); h->sock = NULL; } return -1; } #line 7316 "lib/states.c" int nbd_internal_enter_STATE_DEAD ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_DEAD; r = enter_STATE_DEAD ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "DEAD", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } /* CLOSED: Connection is closed */ static int enter_STATE_CLOSED ( struct nbd_handle *h, enum state *next_state, bool *blocked ) { #line 210 "generator/states.c" abort_option (h); nbd_internal_abort_commands (h, &h->cmds_to_issue); nbd_internal_abort_commands (h, &h->cmds_in_flight); h->in_flight = 0; if (h->sock) { h->sock->ops->close (h->sock); h->sock = NULL; } return 0; } #line 7360 "lib/states.c" int nbd_internal_enter_STATE_CLOSED ( struct nbd_handle *h, bool *blocked ) { int r; enum state next; next = STATE_CLOSED; r = enter_STATE_CLOSED ( h, &next, blocked ); if (get_next_state (h) != next) { #ifdef LIBNBD_STATE_VERBOSE debug (h, "transition: %s -> %s", "CLOSED", nbd_internal_state_short_string (next)); #endif set_next_state (h, next); } return r; } libnbd-1.22.2/lib/states-run.c0000444000175000017500000021453614603303744011545 /* NBD client library in userspace * WARNING: THIS FILE IS GENERATED FROM * generator/generator generator/states*.c * ANY CHANGES YOU MAKE TO THIS FILE WILL BE LOST. * * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include "libnbd.h" #include "internal.h" /* Run the state machine based on an external event until it would block. */ int nbd_internal_run (struct nbd_handle *h, enum external_event ev) { int r; bool blocked; /* Validate and handle the external event. */ switch (get_next_state (h)) { case STATE_START: switch (ev) { case cmd_create: goto ok; case cmd_connect_sockaddr: set_next_state (h, STATE_CONNECT_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdConnectSockAddr", "START", "CONNECT.START"); #endif goto ok; case cmd_connect_tcp: set_next_state (h, STATE_CONNECT_TCP_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdConnectTCP", "START", "CONNECT_TCP.START"); #endif goto ok; case cmd_connect_command: set_next_state (h, STATE_CONNECT_COMMAND_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdConnectCommand", "START", "CONNECT_COMMAND.START"); #endif goto ok; case cmd_connect_sa: set_next_state (h, STATE_CONNECT_SA_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdConnectSA", "START", "CONNECT_SA.START"); #endif goto ok; case cmd_connect_socket: set_next_state (h, STATE_MAGIC_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdConnectSocket", "START", "MAGIC.START"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_CONNECT_START: switch (ev) { case notify_write: set_next_state (h, STATE_CONNECT_CONNECTING); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "NotifyWrite", "CONNECT.START", "CONNECT.CONNECTING"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_CONNECT_CONNECTING: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_CONNECT_TCP_START: break; case STATE_CONNECT_TCP_CONNECT: switch (ev) { case notify_write: set_next_state (h, STATE_CONNECT_TCP_CONNECTING); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "NotifyWrite", "CONNECT_TCP.CONNECT", "CONNECT_TCP.CONNECTING"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_CONNECT_TCP_CONNECTING: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_CONNECT_TCP_NEXT_ADDRESS: break; case STATE_CONNECT_COMMAND_START: break; case STATE_CONNECT_SA_START: break; case STATE_MAGIC_START: break; case STATE_MAGIC_RECV_MAGIC: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_MAGIC_CHECK_MAGIC: break; case STATE_OLDSTYLE_START: break; case STATE_OLDSTYLE_RECV_REMAINING: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_OLDSTYLE_CHECK: break; case STATE_NEWSTYLE_START: break; case STATE_NEWSTYLE_RECV_GFLAGS: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_CHECK_GFLAGS: break; case STATE_NEWSTYLE_SEND_CFLAGS: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STARTTLS_START: break; case STATE_NEWSTYLE_OPT_STARTTLS_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE: break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START: break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START: break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_START: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_GO_START: break; case STATE_NEWSTYLE_OPT_GO_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORT: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_SEND_INFO: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_GO_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_START: break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_LIST_START: break; case STATE_NEWSTYLE_OPT_LIST_SEND: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY: break; case STATE_NEWSTYLE_PREPARE_OPT_ABORT: break; case STATE_NEWSTYLE_SEND_OPT_ABORT: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN: switch (ev) { case notify_write: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_NEWSTYLE_FINISHED: break; case STATE_NEGOTIATING: switch (ev) { case cmd_issue: set_next_state (h, STATE_NEWSTYLE_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdIssue", "NEGOTIATING", "NEWSTYLE.START"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_READY: switch (ev) { case cmd_issue: set_next_state (h, STATE_ISSUE_COMMAND_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "CmdIssue", "READY", "ISSUE_COMMAND.START"); #endif goto ok; case notify_read: set_next_state (h, STATE_REPLY_START); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "NotifyRead", "READY", "REPLY.START"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_ISSUE_COMMAND_START: break; case STATE_ISSUE_COMMAND_SEND_REQUEST: switch (ev) { case notify_write: goto ok; case notify_read: set_next_state (h, STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "NotifyRead", "ISSUE_COMMAND.SEND_REQUEST", "ISSUE_COMMAND.PAUSE_SEND_REQUEST"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST: break; case STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD: break; case STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD: switch (ev) { case notify_write: goto ok; case notify_read: set_next_state (h, STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "NotifyRead", "ISSUE_COMMAND.SEND_WRITE_PAYLOAD", "ISSUE_COMMAND.PAUSE_WRITE_PAYLOAD"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD: break; case STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN: switch (ev) { case notify_write: goto ok; case notify_read: set_next_state (h, STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN); #ifdef LIBNBD_STATE_VERBOSE debug (h, "event %s: %s -> %s", "NotifyRead", "ISSUE_COMMAND.SEND_WRITE_SHUTDOWN", "ISSUE_COMMAND.PAUSE_WRITE_SHUTDOWN"); #endif goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN: break; case STATE_ISSUE_COMMAND_FINISH: break; case STATE_REPLY_START: switch (ev) { case notify_read: goto ok; default: ; /* nothing, silence GCC warning */ } break; case STATE_REPLY_RECV_REPLY: break; case STATE_REPLY_CHECK_REPLY_MAGIC: break; case STATE_REPLY_RECV_STRUCTURED_REMAINING: break; case STATE_REPLY_SIMPLE_REPLY_START: break; case STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD: break; case STATE_REPLY_CHUNK_REPLY_START: break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR: break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE: break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL: break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA: break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA: break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE: break; case STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER: break; case STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES: break; case STATE_REPLY_CHUNK_REPLY_RESYNC: break; case STATE_REPLY_CHUNK_REPLY_FINISH: break; case STATE_REPLY_FINISH_COMMAND: break; case STATE_DEAD: break; case STATE_CLOSED: break; } set_error (EINVAL, "external event %d is invalid in state %s", ev, nbd_internal_state_short_string (get_next_state (h))); return -1; ok: do { blocked = true; /* Run a single step. */ switch (get_next_state (h)) { case STATE_START: r = nbd_internal_enter_STATE_START (h, &blocked); break; case STATE_CONNECT_START: r = nbd_internal_enter_STATE_CONNECT_START (h, &blocked); break; case STATE_CONNECT_CONNECTING: r = nbd_internal_enter_STATE_CONNECT_CONNECTING (h, &blocked); break; case STATE_CONNECT_TCP_START: r = nbd_internal_enter_STATE_CONNECT_TCP_START (h, &blocked); break; case STATE_CONNECT_TCP_CONNECT: r = nbd_internal_enter_STATE_CONNECT_TCP_CONNECT (h, &blocked); break; case STATE_CONNECT_TCP_CONNECTING: r = nbd_internal_enter_STATE_CONNECT_TCP_CONNECTING (h, &blocked); break; case STATE_CONNECT_TCP_NEXT_ADDRESS: r = nbd_internal_enter_STATE_CONNECT_TCP_NEXT_ADDRESS (h, &blocked); break; case STATE_CONNECT_COMMAND_START: r = nbd_internal_enter_STATE_CONNECT_COMMAND_START (h, &blocked); break; case STATE_CONNECT_SA_START: r = nbd_internal_enter_STATE_CONNECT_SA_START (h, &blocked); break; case STATE_MAGIC_START: r = nbd_internal_enter_STATE_MAGIC_START (h, &blocked); break; case STATE_MAGIC_RECV_MAGIC: r = nbd_internal_enter_STATE_MAGIC_RECV_MAGIC (h, &blocked); break; case STATE_MAGIC_CHECK_MAGIC: r = nbd_internal_enter_STATE_MAGIC_CHECK_MAGIC (h, &blocked); break; case STATE_OLDSTYLE_START: r = nbd_internal_enter_STATE_OLDSTYLE_START (h, &blocked); break; case STATE_OLDSTYLE_RECV_REMAINING: r = nbd_internal_enter_STATE_OLDSTYLE_RECV_REMAINING (h, &blocked); break; case STATE_OLDSTYLE_CHECK: r = nbd_internal_enter_STATE_OLDSTYLE_CHECK (h, &blocked); break; case STATE_NEWSTYLE_START: r = nbd_internal_enter_STATE_NEWSTYLE_START (h, &blocked); break; case STATE_NEWSTYLE_RECV_GFLAGS: r = nbd_internal_enter_STATE_NEWSTYLE_RECV_GFLAGS (h, &blocked); break; case STATE_NEWSTYLE_CHECK_GFLAGS: r = nbd_internal_enter_STATE_NEWSTYLE_CHECK_GFLAGS (h, &blocked); break; case STATE_NEWSTYLE_SEND_CFLAGS: r = nbd_internal_enter_STATE_NEWSTYLE_SEND_CFLAGS (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE (h, &blocked); break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD (h, &blocked); break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD (h, &blocked); break; case STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORT: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORT (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_SEND_INFO: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_INFO (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD (h, &blocked); break; case STATE_NEWSTYLE_OPT_GO_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_LIST_START: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_START (h, &blocked); break; case STATE_NEWSTYLE_OPT_LIST_SEND: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_SEND (h, &blocked); break; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY (h, &blocked); break; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD (h, &blocked); break; case STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY: r = nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY (h, &blocked); break; case STATE_NEWSTYLE_PREPARE_OPT_ABORT: r = nbd_internal_enter_STATE_NEWSTYLE_PREPARE_OPT_ABORT (h, &blocked); break; case STATE_NEWSTYLE_SEND_OPT_ABORT: r = nbd_internal_enter_STATE_NEWSTYLE_SEND_OPT_ABORT (h, &blocked); break; case STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN: r = nbd_internal_enter_STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN (h, &blocked); break; case STATE_NEWSTYLE_FINISHED: r = nbd_internal_enter_STATE_NEWSTYLE_FINISHED (h, &blocked); break; case STATE_NEGOTIATING: r = nbd_internal_enter_STATE_NEGOTIATING (h, &blocked); break; case STATE_READY: r = nbd_internal_enter_STATE_READY (h, &blocked); break; case STATE_ISSUE_COMMAND_START: r = nbd_internal_enter_STATE_ISSUE_COMMAND_START (h, &blocked); break; case STATE_ISSUE_COMMAND_SEND_REQUEST: r = nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_REQUEST (h, &blocked); break; case STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST: r = nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST (h, &blocked); break; case STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD: r = nbd_internal_enter_STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD (h, &blocked); break; case STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD: r = nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD (h, &blocked); break; case STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD: r = nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD (h, &blocked); break; case STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN: r = nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN (h, &blocked); break; case STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN: r = nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN (h, &blocked); break; case STATE_ISSUE_COMMAND_FINISH: r = nbd_internal_enter_STATE_ISSUE_COMMAND_FINISH (h, &blocked); break; case STATE_REPLY_START: r = nbd_internal_enter_STATE_REPLY_START (h, &blocked); break; case STATE_REPLY_RECV_REPLY: r = nbd_internal_enter_STATE_REPLY_RECV_REPLY (h, &blocked); break; case STATE_REPLY_CHECK_REPLY_MAGIC: r = nbd_internal_enter_STATE_REPLY_CHECK_REPLY_MAGIC (h, &blocked); break; case STATE_REPLY_RECV_STRUCTURED_REMAINING: r = nbd_internal_enter_STATE_REPLY_RECV_STRUCTURED_REMAINING (h, &blocked); break; case STATE_REPLY_SIMPLE_REPLY_START: r = nbd_internal_enter_STATE_REPLY_SIMPLE_REPLY_START (h, &blocked); break; case STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD: r = nbd_internal_enter_STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_START: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_START (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_RESYNC: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RESYNC (h, &blocked); break; case STATE_REPLY_CHUNK_REPLY_FINISH: r = nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_FINISH (h, &blocked); break; case STATE_REPLY_FINISH_COMMAND: r = nbd_internal_enter_STATE_REPLY_FINISH_COMMAND (h, &blocked); break; case STATE_DEAD: r = nbd_internal_enter_STATE_DEAD (h, &blocked); break; case STATE_CLOSED: r = nbd_internal_enter_STATE_CLOSED (h, &blocked); break; default: abort (); /* Should never happen, but keeps GCC happy. */ } if (r == -1) { assert (nbd_get_error () != NULL); return -1; } } while (!blocked); return 0; } /* Returns whether in the given state read or write would be valid. * NB: is_locked = false, may_set_error = false. */ int nbd_internal_aio_get_direction (enum state state) { int r = 0; switch (state) { case STATE_START: break; case STATE_CONNECT_START: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_CONNECT_CONNECTING: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_CONNECT_TCP_START: break; case STATE_CONNECT_TCP_CONNECT: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_CONNECT_TCP_CONNECTING: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_CONNECT_TCP_NEXT_ADDRESS: break; case STATE_CONNECT_COMMAND_START: break; case STATE_CONNECT_SA_START: break; case STATE_MAGIC_START: break; case STATE_MAGIC_RECV_MAGIC: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_MAGIC_CHECK_MAGIC: break; case STATE_OLDSTYLE_START: break; case STATE_OLDSTYLE_RECV_REMAINING: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_OLDSTYLE_CHECK: break; case STATE_NEWSTYLE_START: break; case STATE_NEWSTYLE_RECV_GFLAGS: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_CHECK_GFLAGS: break; case STATE_NEWSTYLE_SEND_CFLAGS: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_STARTTLS_START: break; case STATE_NEWSTYLE_OPT_STARTTLS_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE: break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START: break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START: break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_START: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY: break; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_GO_START: break; case STATE_NEWSTYLE_OPT_GO_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORT: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_GO_SEND_INFO: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_GO_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_START: break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY: break; case STATE_NEWSTYLE_OPT_LIST_START: break; case STATE_NEWSTYLE_OPT_LIST_SEND: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY: break; case STATE_NEWSTYLE_PREPARE_OPT_ABORT: break; case STATE_NEWSTYLE_SEND_OPT_ABORT: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN: r |= LIBNBD_AIO_DIRECTION_WRITE; break; case STATE_NEWSTYLE_FINISHED: break; case STATE_NEGOTIATING: break; case STATE_READY: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_ISSUE_COMMAND_START: break; case STATE_ISSUE_COMMAND_SEND_REQUEST: r |= LIBNBD_AIO_DIRECTION_WRITE; r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST: break; case STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD: break; case STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD: r |= LIBNBD_AIO_DIRECTION_WRITE; r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD: break; case STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN: r |= LIBNBD_AIO_DIRECTION_WRITE; r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN: break; case STATE_ISSUE_COMMAND_FINISH: break; case STATE_REPLY_START: r |= LIBNBD_AIO_DIRECTION_READ; break; case STATE_REPLY_RECV_REPLY: break; case STATE_REPLY_CHECK_REPLY_MAGIC: break; case STATE_REPLY_RECV_STRUCTURED_REMAINING: break; case STATE_REPLY_SIMPLE_REPLY_START: break; case STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD: break; case STATE_REPLY_CHUNK_REPLY_START: break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR: break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE: break; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL: break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA: break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA: break; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE: break; case STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER: break; case STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES: break; case STATE_REPLY_CHUNK_REPLY_RESYNC: break; case STATE_REPLY_CHUNK_REPLY_FINISH: break; case STATE_REPLY_FINISH_COMMAND: break; case STATE_DEAD: break; case STATE_CLOSED: break; } return r; } /* Other functions associated with the state machine. */ const char * nbd_internal_state_short_string (enum state state) { switch (state) { case STATE_START: return "START"; case STATE_CONNECT_START: return "CONNECT.START"; case STATE_CONNECT_CONNECTING: return "CONNECT.CONNECTING"; case STATE_CONNECT_TCP_START: return "CONNECT_TCP.START"; case STATE_CONNECT_TCP_CONNECT: return "CONNECT_TCP.CONNECT"; case STATE_CONNECT_TCP_CONNECTING: return "CONNECT_TCP.CONNECTING"; case STATE_CONNECT_TCP_NEXT_ADDRESS: return "CONNECT_TCP.NEXT_ADDRESS"; case STATE_CONNECT_COMMAND_START: return "CONNECT_COMMAND.START"; case STATE_CONNECT_SA_START: return "CONNECT_SA.START"; case STATE_MAGIC_START: return "MAGIC.START"; case STATE_MAGIC_RECV_MAGIC: return "MAGIC.RECV_MAGIC"; case STATE_MAGIC_CHECK_MAGIC: return "MAGIC.CHECK_MAGIC"; case STATE_OLDSTYLE_START: return "OLDSTYLE.START"; case STATE_OLDSTYLE_RECV_REMAINING: return "OLDSTYLE.RECV_REMAINING"; case STATE_OLDSTYLE_CHECK: return "OLDSTYLE.CHECK"; case STATE_NEWSTYLE_START: return "NEWSTYLE.START"; case STATE_NEWSTYLE_RECV_GFLAGS: return "NEWSTYLE.RECV_GFLAGS"; case STATE_NEWSTYLE_CHECK_GFLAGS: return "NEWSTYLE.CHECK_GFLAGS"; case STATE_NEWSTYLE_SEND_CFLAGS: return "NEWSTYLE.SEND_CFLAGS"; case STATE_NEWSTYLE_OPT_STARTTLS_START: return "NEWSTYLE.OPT_STARTTLS.START"; case STATE_NEWSTYLE_OPT_STARTTLS_SEND: return "NEWSTYLE.OPT_STARTTLS.SEND"; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY: return "NEWSTYLE.OPT_STARTTLS.RECV_REPLY"; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_STARTTLS.RECV_REPLY_PAYLOAD"; case STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY: return "NEWSTYLE.OPT_STARTTLS.CHECK_REPLY"; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ: return "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_READ"; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE: return "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_WRITE"; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE: return "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_DONE"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START: return "NEWSTYLE.OPT_EXTENDED_HEADERS.START"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND: return "NEWSTYLE.OPT_EXTENDED_HEADERS.SEND"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY: return "NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY_PAYLOAD"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY: return "NEWSTYLE.OPT_EXTENDED_HEADERS.CHECK_REPLY"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START: return "NEWSTYLE.OPT_STRUCTURED_REPLY.START"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND: return "NEWSTYLE.OPT_STRUCTURED_REPLY.SEND"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY: return "NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY_PAYLOAD"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY: return "NEWSTYLE.OPT_STRUCTURED_REPLY.CHECK_REPLY"; case STATE_NEWSTYLE_OPT_META_CONTEXT_START: return "NEWSTYLE.OPT_META_CONTEXT.START"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND: return "NEWSTYLE.OPT_META_CONTEXT.SEND"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN: return "NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAMELEN"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME: return "NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAME"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES: return "NEWSTYLE.OPT_META_CONTEXT.SEND_NRQUERIES"; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY: return "NEWSTYLE.OPT_META_CONTEXT.PREPARE_NEXT_QUERY"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN: return "NEWSTYLE.OPT_META_CONTEXT.SEND_QUERYLEN"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY: return "NEWSTYLE.OPT_META_CONTEXT.SEND_QUERY"; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY: return "NEWSTYLE.OPT_META_CONTEXT.PREPARE_FOR_REPLY"; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY: return "NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY"; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY_PAYLOAD"; case STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY: return "NEWSTYLE.OPT_META_CONTEXT.CHECK_REPLY"; case STATE_NEWSTYLE_OPT_GO_START: return "NEWSTYLE.OPT_GO.START"; case STATE_NEWSTYLE_OPT_GO_SEND: return "NEWSTYLE.OPT_GO.SEND"; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN: return "NEWSTYLE.OPT_GO.SEND_EXPORTNAMELEN"; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORT: return "NEWSTYLE.OPT_GO.SEND_EXPORT"; case STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS: return "NEWSTYLE.OPT_GO.SEND_NRINFOS"; case STATE_NEWSTYLE_OPT_GO_SEND_INFO: return "NEWSTYLE.OPT_GO.SEND_INFO"; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY: return "NEWSTYLE.OPT_GO.RECV_REPLY"; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_GO.RECV_REPLY_PAYLOAD"; case STATE_NEWSTYLE_OPT_GO_CHECK_REPLY: return "NEWSTYLE.OPT_GO.CHECK_REPLY"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_START: return "NEWSTYLE.OPT_EXPORT_NAME.START"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND: return "NEWSTYLE.OPT_EXPORT_NAME.SEND"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT: return "NEWSTYLE.OPT_EXPORT_NAME.SEND_EXPORT"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY: return "NEWSTYLE.OPT_EXPORT_NAME.RECV_REPLY"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY: return "NEWSTYLE.OPT_EXPORT_NAME.CHECK_REPLY"; case STATE_NEWSTYLE_OPT_LIST_START: return "NEWSTYLE.OPT_LIST.START"; case STATE_NEWSTYLE_OPT_LIST_SEND: return "NEWSTYLE.OPT_LIST.SEND"; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY: return "NEWSTYLE.OPT_LIST.RECV_REPLY"; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_LIST.RECV_REPLY_PAYLOAD"; case STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY: return "NEWSTYLE.OPT_LIST.CHECK_REPLY"; case STATE_NEWSTYLE_PREPARE_OPT_ABORT: return "NEWSTYLE.PREPARE_OPT_ABORT"; case STATE_NEWSTYLE_SEND_OPT_ABORT: return "NEWSTYLE.SEND_OPT_ABORT"; case STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN: return "NEWSTYLE.SEND_OPTION_SHUTDOWN"; case STATE_NEWSTYLE_FINISHED: return "NEWSTYLE.FINISHED"; case STATE_NEGOTIATING: return "NEGOTIATING"; case STATE_READY: return "READY"; case STATE_ISSUE_COMMAND_START: return "ISSUE_COMMAND.START"; case STATE_ISSUE_COMMAND_SEND_REQUEST: return "ISSUE_COMMAND.SEND_REQUEST"; case STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST: return "ISSUE_COMMAND.PAUSE_SEND_REQUEST"; case STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD: return "ISSUE_COMMAND.PREPARE_WRITE_PAYLOAD"; case STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD: return "ISSUE_COMMAND.SEND_WRITE_PAYLOAD"; case STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD: return "ISSUE_COMMAND.PAUSE_WRITE_PAYLOAD"; case STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN: return "ISSUE_COMMAND.SEND_WRITE_SHUTDOWN"; case STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN: return "ISSUE_COMMAND.PAUSE_WRITE_SHUTDOWN"; case STATE_ISSUE_COMMAND_FINISH: return "ISSUE_COMMAND.FINISH"; case STATE_REPLY_START: return "REPLY.START"; case STATE_REPLY_RECV_REPLY: return "REPLY.RECV_REPLY"; case STATE_REPLY_CHECK_REPLY_MAGIC: return "REPLY.CHECK_REPLY_MAGIC"; case STATE_REPLY_RECV_STRUCTURED_REMAINING: return "REPLY.RECV_STRUCTURED_REMAINING"; case STATE_REPLY_SIMPLE_REPLY_START: return "REPLY.SIMPLE_REPLY.START"; case STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD: return "REPLY.SIMPLE_REPLY.RECV_READ_PAYLOAD"; case STATE_REPLY_CHUNK_REPLY_START: return "REPLY.CHUNK_REPLY.START"; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR: return "REPLY.CHUNK_REPLY.RECV_ERROR"; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE: return "REPLY.CHUNK_REPLY.RECV_ERROR_MESSAGE"; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL: return "REPLY.CHUNK_REPLY.RECV_ERROR_TAIL"; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA: return "REPLY.CHUNK_REPLY.RECV_OFFSET_DATA"; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA: return "REPLY.CHUNK_REPLY.RECV_OFFSET_DATA_DATA"; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE: return "REPLY.CHUNK_REPLY.RECV_OFFSET_HOLE"; case STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER: return "REPLY.CHUNK_REPLY.RECV_BS_HEADER"; case STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES: return "REPLY.CHUNK_REPLY.RECV_BS_ENTRIES"; case STATE_REPLY_CHUNK_REPLY_RESYNC: return "REPLY.CHUNK_REPLY.RESYNC"; case STATE_REPLY_CHUNK_REPLY_FINISH: return "REPLY.CHUNK_REPLY.FINISH"; case STATE_REPLY_FINISH_COMMAND: return "REPLY.FINISH_COMMAND"; case STATE_DEAD: return "DEAD"; case STATE_CLOSED: return "CLOSED"; } /* This function is only used for debug messages, and * this should never happen. */ return "UNKNOWN!"; } const char * nbd_unlocked_connection_state (struct nbd_handle *h) { switch (get_next_state (h)) { case STATE_START: return "START" ": " "Handle after being initially created"; case STATE_CONNECT_START: return "CONNECT.START" ": " "Initial call to connect(2) on the socket"; case STATE_CONNECT_CONNECTING: return "CONNECT.CONNECTING" ": " "Connecting to the remote server"; case STATE_CONNECT_TCP_START: return "CONNECT_TCP.START" ": " "Connect to a remote TCP server"; case STATE_CONNECT_TCP_CONNECT: return "CONNECT_TCP.CONNECT" ": " "Initial call to connect(2) on a TCP socket"; case STATE_CONNECT_TCP_CONNECTING: return "CONNECT_TCP.CONNECTING" ": " "Connecting to the remote server over a TCP socket"; case STATE_CONNECT_TCP_NEXT_ADDRESS: return "CONNECT_TCP.NEXT_ADDRESS" ": " "Connecting to the next address over a TCP socket"; case STATE_CONNECT_COMMAND_START: return "CONNECT_COMMAND.START" ": " "Connect to a subprocess"; case STATE_CONNECT_SA_START: return "CONNECT_SA.START" ": " "Connect to a subprocess with systemd socket activation"; case STATE_MAGIC_START: return "MAGIC.START" ": " "Prepare to receive the magic identification from remote"; case STATE_MAGIC_RECV_MAGIC: return "MAGIC.RECV_MAGIC" ": " "Receive initial magic identification from remote"; case STATE_MAGIC_CHECK_MAGIC: return "MAGIC.CHECK_MAGIC" ": " "Check magic and version sent by remote"; case STATE_OLDSTYLE_START: return "OLDSTYLE.START" ": " "Prepare to receive remainder of oldstyle header"; case STATE_OLDSTYLE_RECV_REMAINING: return "OLDSTYLE.RECV_REMAINING" ": " "Receive remainder of oldstyle header"; case STATE_OLDSTYLE_CHECK: return "OLDSTYLE.CHECK" ": " "Check oldstyle header"; case STATE_NEWSTYLE_START: return "NEWSTYLE.START" ": " "Prepare to receive newstyle gflags from remote"; case STATE_NEWSTYLE_RECV_GFLAGS: return "NEWSTYLE.RECV_GFLAGS" ": " "Receive newstyle gflags from remote"; case STATE_NEWSTYLE_CHECK_GFLAGS: return "NEWSTYLE.CHECK_GFLAGS" ": " "Check global flags sent by remote"; case STATE_NEWSTYLE_SEND_CFLAGS: return "NEWSTYLE.SEND_CFLAGS" ": " "Send newstyle client flags to remote"; case STATE_NEWSTYLE_OPT_STARTTLS_START: return "NEWSTYLE.OPT_STARTTLS.START" ": " "Try to send newstyle NBD_OPT_STARTTLS to upgrade to TLS"; case STATE_NEWSTYLE_OPT_STARTTLS_SEND: return "NEWSTYLE.OPT_STARTTLS.SEND" ": " "Send newstyle NBD_OPT_STARTTLS to upgrade to TLS"; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY: return "NEWSTYLE.OPT_STARTTLS.RECV_REPLY" ": " "Receive newstyle NBD_OPT_STARTTLS reply"; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_STARTTLS.RECV_REPLY_PAYLOAD" ": " "Receive any newstyle NBD_OPT_STARTTLS reply payload"; case STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY: return "NEWSTYLE.OPT_STARTTLS.CHECK_REPLY" ": " "Check newstyle NBD_OPT_STARTTLS reply"; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ: return "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_READ" ": " "TLS handshake (reading)"; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE: return "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_WRITE" ": " "TLS handshake (writing)"; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE: return "NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_DONE" ": " "TLS handshake complete"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START: return "NEWSTYLE.OPT_EXTENDED_HEADERS.START" ": " "Try to negotiate newstyle NBD_OPT_EXTENDED_HEADERS"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND: return "NEWSTYLE.OPT_EXTENDED_HEADERS.SEND" ": " "Send newstyle NBD_OPT_EXTENDED_HEADERS negotiation request"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY: return "NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY" ": " "Receive newstyle NBD_OPT_EXTENDED_HEADERS option reply"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY_PAYLOAD" ": " "Receive any newstyle NBD_OPT_EXTENDED_HEADERS reply payload"; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY: return "NEWSTYLE.OPT_EXTENDED_HEADERS.CHECK_REPLY" ": " "Check newstyle NBD_OPT_EXTENDED_HEADERS option reply"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START: return "NEWSTYLE.OPT_STRUCTURED_REPLY.START" ": " "Try to negotiate newstyle NBD_OPT_STRUCTURED_REPLY"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND: return "NEWSTYLE.OPT_STRUCTURED_REPLY.SEND" ": " "Send newstyle NBD_OPT_STRUCTURED_REPLY negotiation request"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY: return "NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY" ": " "Receive newstyle NBD_OPT_STRUCTURED_REPLY option reply"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY_PAYLOAD" ": " "Receive any newstyle NBD_OPT_STRUCTURED_REPLY reply payload"; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY: return "NEWSTYLE.OPT_STRUCTURED_REPLY.CHECK_REPLY" ": " "Check newstyle NBD_OPT_STRUCTURED_REPLY option reply"; case STATE_NEWSTYLE_OPT_META_CONTEXT_START: return "NEWSTYLE.OPT_META_CONTEXT.START" ": " "Try to negotiate newstyle NBD_OPT_SET_META_CONTEXT"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND: return "NEWSTYLE.OPT_META_CONTEXT.SEND" ": " "Send newstyle NBD_OPT_SET_META_CONTEXT"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN: return "NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAMELEN" ": " "Send newstyle NBD_OPT_SET_META_CONTEXT export name length"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME: return "NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAME" ": " "Send newstyle NBD_OPT_SET_META_CONTEXT export name"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES: return "NEWSTYLE.OPT_META_CONTEXT.SEND_NRQUERIES" ": " "Send newstyle NBD_OPT_SET_META_CONTEXT number of queries"; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY: return "NEWSTYLE.OPT_META_CONTEXT.PREPARE_NEXT_QUERY" ": " "Prepare to send newstyle NBD_OPT_SET_META_CONTEXT query"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN: return "NEWSTYLE.OPT_META_CONTEXT.SEND_QUERYLEN" ": " "Send newstyle NBD_OPT_SET_META_CONTEXT query length"; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY: return "NEWSTYLE.OPT_META_CONTEXT.SEND_QUERY" ": " "Send newstyle NBD_OPT_SET_META_CONTEXT query"; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY: return "NEWSTYLE.OPT_META_CONTEXT.PREPARE_FOR_REPLY" ": " "Prepare to receive newstyle NBD_OPT_SET_META_CONTEXT option reply"; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY: return "NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY" ": " "Receive newstyle NBD_OPT_SET_META_CONTEXT option reply"; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY_PAYLOAD" ": " "Receive newstyle NBD_OPT_SET_META_CONTEXT option reply payload"; case STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY: return "NEWSTYLE.OPT_META_CONTEXT.CHECK_REPLY" ": " "Check newstyle NBD_OPT_SET_META_CONTEXT option reply"; case STATE_NEWSTYLE_OPT_GO_START: return "NEWSTYLE.OPT_GO.START" ": " "Try to send newstyle NBD_OPT_GO to end handshake"; case STATE_NEWSTYLE_OPT_GO_SEND: return "NEWSTYLE.OPT_GO.SEND" ": " "Send newstyle NBD_OPT_GO to end handshake"; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN: return "NEWSTYLE.OPT_GO.SEND_EXPORTNAMELEN" ": " "Send newstyle NBD_OPT_GO export name length"; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORT: return "NEWSTYLE.OPT_GO.SEND_EXPORT" ": " "Send newstyle NBD_OPT_GO export name"; case STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS: return "NEWSTYLE.OPT_GO.SEND_NRINFOS" ": " "Send newstyle NBD_OPT_GO number of infos"; case STATE_NEWSTYLE_OPT_GO_SEND_INFO: return "NEWSTYLE.OPT_GO.SEND_INFO" ": " "Send newstyle NBD_OPT_GO request for NBD_INFO_BLOCK_SIZE"; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY: return "NEWSTYLE.OPT_GO.RECV_REPLY" ": " "Receive newstyle NBD_OPT_GO reply"; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_GO.RECV_REPLY_PAYLOAD" ": " "Receive newstyle NBD_OPT_GO reply payload"; case STATE_NEWSTYLE_OPT_GO_CHECK_REPLY: return "NEWSTYLE.OPT_GO.CHECK_REPLY" ": " "Check newstyle NBD_OPT_GO reply"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_START: return "NEWSTYLE.OPT_EXPORT_NAME.START" ": " "Try to send newstyle NBD_OPT_EXPORT_NAME to end handshake"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND: return "NEWSTYLE.OPT_EXPORT_NAME.SEND" ": " "Send newstyle NBD_OPT_EXPORT_NAME to end handshake"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT: return "NEWSTYLE.OPT_EXPORT_NAME.SEND_EXPORT" ": " "Send newstyle NBD_OPT_EXPORT_NAME export name"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY: return "NEWSTYLE.OPT_EXPORT_NAME.RECV_REPLY" ": " "Receive newstyle NBD_OPT_EXPORT_NAME reply"; case STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY: return "NEWSTYLE.OPT_EXPORT_NAME.CHECK_REPLY" ": " "Check newstyle NBD_OPT_EXPORT_NAME reply"; case STATE_NEWSTYLE_OPT_LIST_START: return "NEWSTYLE.OPT_LIST.START" ": " "Start listing exports if in list mode."; case STATE_NEWSTYLE_OPT_LIST_SEND: return "NEWSTYLE.OPT_LIST.SEND" ": " "Send newstyle NBD_OPT_LIST to begin listing exports"; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY: return "NEWSTYLE.OPT_LIST.RECV_REPLY" ": " "Receive NBD_REP_SERVER reply"; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD: return "NEWSTYLE.OPT_LIST.RECV_REPLY_PAYLOAD" ": " "Receive NBD_REP_SERVER reply payload"; case STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY: return "NEWSTYLE.OPT_LIST.CHECK_REPLY" ": " "Check NBD_REP_SERVER reply"; case STATE_NEWSTYLE_PREPARE_OPT_ABORT: return "NEWSTYLE.PREPARE_OPT_ABORT" ": " "Prepare to send NBD_OPT_ABORT"; case STATE_NEWSTYLE_SEND_OPT_ABORT: return "NEWSTYLE.SEND_OPT_ABORT" ": " "Send NBD_OPT_ABORT to end negotiation"; case STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN: return "NEWSTYLE.SEND_OPTION_SHUTDOWN" ": " "Sending write shutdown notification to the remote server"; case STATE_NEWSTYLE_FINISHED: return "NEWSTYLE.FINISHED" ": " "Finish off newstyle negotiation"; case STATE_NEGOTIATING: return "NEGOTIATING" ": " "Connection is ready to negotiate an NBD option"; case STATE_READY: return "READY" ": " "Connection is ready to process NBD commands"; case STATE_ISSUE_COMMAND_START: return "ISSUE_COMMAND.START" ": " "Begin issuing a command to the remote server"; case STATE_ISSUE_COMMAND_SEND_REQUEST: return "ISSUE_COMMAND.SEND_REQUEST" ": " "Sending a request to the remote server"; case STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST: return "ISSUE_COMMAND.PAUSE_SEND_REQUEST" ": " "Interrupt send request to receive an earlier command's reply"; case STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD: return "ISSUE_COMMAND.PREPARE_WRITE_PAYLOAD" ": " "Prepare the write payload to send to the remote server"; case STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD: return "ISSUE_COMMAND.SEND_WRITE_PAYLOAD" ": " "Sending the write payload to the remote server"; case STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD: return "ISSUE_COMMAND.PAUSE_WRITE_PAYLOAD" ": " "Interrupt write payload to receive an earlier command's reply"; case STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN: return "ISSUE_COMMAND.SEND_WRITE_SHUTDOWN" ": " "Sending write shutdown notification to the remote server"; case STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN: return "ISSUE_COMMAND.PAUSE_WRITE_SHUTDOWN" ": " "Interrupt write shutdown to receive an earlier command's reply"; case STATE_ISSUE_COMMAND_FINISH: return "ISSUE_COMMAND.FINISH" ": " "Finish issuing a command"; case STATE_REPLY_START: return "REPLY.START" ": " "Prepare to receive a reply from the remote server"; case STATE_REPLY_RECV_REPLY: return "REPLY.RECV_REPLY" ": " "Receive a reply from the remote server"; case STATE_REPLY_CHECK_REPLY_MAGIC: return "REPLY.CHECK_REPLY_MAGIC" ": " "Check if the reply has expected magic"; case STATE_REPLY_RECV_STRUCTURED_REMAINING: return "REPLY.RECV_STRUCTURED_REMAINING" ": " "Receiving the remaining part of a structured reply header"; case STATE_REPLY_SIMPLE_REPLY_START: return "REPLY.SIMPLE_REPLY.START" ": " "Parse a simple reply from the server"; case STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD: return "REPLY.SIMPLE_REPLY.RECV_READ_PAYLOAD" ": " "Receiving the read payload for a simple reply"; case STATE_REPLY_CHUNK_REPLY_START: return "REPLY.CHUNK_REPLY.START" ": " "Start parsing a chunk reply payload from the server"; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR: return "REPLY.CHUNK_REPLY.RECV_ERROR" ": " "Receive a chunk reply error header"; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE: return "REPLY.CHUNK_REPLY.RECV_ERROR_MESSAGE" ": " "Receive a chunk reply error message"; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL: return "REPLY.CHUNK_REPLY.RECV_ERROR_TAIL" ": " "Receive a chunk reply error tail"; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA: return "REPLY.CHUNK_REPLY.RECV_OFFSET_DATA" ": " "Receive a chunk reply offset-data header"; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA: return "REPLY.CHUNK_REPLY.RECV_OFFSET_DATA_DATA" ": " "Receive a chunk reply offset-data block of data"; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE: return "REPLY.CHUNK_REPLY.RECV_OFFSET_HOLE" ": " "Receive a chunk reply offset-hole header"; case STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER: return "REPLY.CHUNK_REPLY.RECV_BS_HEADER" ": " "Receive header of a chunk reply block-status payload"; case STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES: return "REPLY.CHUNK_REPLY.RECV_BS_ENTRIES" ": " "Receive entries array of chunk reply block-status payload"; case STATE_REPLY_CHUNK_REPLY_RESYNC: return "REPLY.CHUNK_REPLY.RESYNC" ": " "Ignore payload of an unexpected chunk reply"; case STATE_REPLY_CHUNK_REPLY_FINISH: return "REPLY.CHUNK_REPLY.FINISH" ": " "Finish receiving a chunk reply"; case STATE_REPLY_FINISH_COMMAND: return "REPLY.FINISH_COMMAND" ": " "Finish receiving a command"; case STATE_DEAD: return "DEAD" ": " "Connection is in an unrecoverable error state, can only be closed"; case STATE_CLOSED: return "CLOSED" ": " "Connection is closed"; } return NULL; } /* Map a state to its group name. */ enum state_group nbd_internal_state_group (enum state state) { switch (state) { case STATE_START: return GROUP_TOP; case STATE_CONNECT_START: return GROUP_CONNECT; case STATE_CONNECT_CONNECTING: return GROUP_CONNECT; case STATE_CONNECT_TCP_START: return GROUP_CONNECT_TCP; case STATE_CONNECT_TCP_CONNECT: return GROUP_CONNECT_TCP; case STATE_CONNECT_TCP_CONNECTING: return GROUP_CONNECT_TCP; case STATE_CONNECT_TCP_NEXT_ADDRESS: return GROUP_CONNECT_TCP; case STATE_CONNECT_COMMAND_START: return GROUP_CONNECT_COMMAND; case STATE_CONNECT_SA_START: return GROUP_CONNECT_SA; case STATE_MAGIC_START: return GROUP_MAGIC; case STATE_MAGIC_RECV_MAGIC: return GROUP_MAGIC; case STATE_MAGIC_CHECK_MAGIC: return GROUP_MAGIC; case STATE_OLDSTYLE_START: return GROUP_OLDSTYLE; case STATE_OLDSTYLE_RECV_REMAINING: return GROUP_OLDSTYLE; case STATE_OLDSTYLE_CHECK: return GROUP_OLDSTYLE; case STATE_NEWSTYLE_START: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_RECV_GFLAGS: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_CHECK_GFLAGS: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_SEND_CFLAGS: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_OPT_STARTTLS_START: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_SEND: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE: return GROUP_NEWSTYLE_OPT_STARTTLS; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START: return GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND: return GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY: return GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD: return GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS; case STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START: return GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND: return GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY: return GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD: return GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY; case STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY; case STATE_NEWSTYLE_OPT_META_CONTEXT_START: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_META_CONTEXT; case STATE_NEWSTYLE_OPT_GO_START: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_SEND: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_SEND_EXPORT: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_SEND_INFO: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_GO_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_GO; case STATE_NEWSTYLE_OPT_EXPORT_NAME_START: return GROUP_NEWSTYLE_OPT_EXPORT_NAME; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND: return GROUP_NEWSTYLE_OPT_EXPORT_NAME; case STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT: return GROUP_NEWSTYLE_OPT_EXPORT_NAME; case STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY: return GROUP_NEWSTYLE_OPT_EXPORT_NAME; case STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_EXPORT_NAME; case STATE_NEWSTYLE_OPT_LIST_START: return GROUP_NEWSTYLE_OPT_LIST; case STATE_NEWSTYLE_OPT_LIST_SEND: return GROUP_NEWSTYLE_OPT_LIST; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY: return GROUP_NEWSTYLE_OPT_LIST; case STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD: return GROUP_NEWSTYLE_OPT_LIST; case STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY: return GROUP_NEWSTYLE_OPT_LIST; case STATE_NEWSTYLE_PREPARE_OPT_ABORT: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_SEND_OPT_ABORT: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN: return GROUP_NEWSTYLE; case STATE_NEWSTYLE_FINISHED: return GROUP_NEWSTYLE; case STATE_NEGOTIATING: return GROUP_TOP; case STATE_READY: return GROUP_TOP; case STATE_ISSUE_COMMAND_START: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_SEND_REQUEST: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN: return GROUP_ISSUE_COMMAND; case STATE_ISSUE_COMMAND_FINISH: return GROUP_ISSUE_COMMAND; case STATE_REPLY_START: return GROUP_REPLY; case STATE_REPLY_RECV_REPLY: return GROUP_REPLY; case STATE_REPLY_CHECK_REPLY_MAGIC: return GROUP_REPLY; case STATE_REPLY_RECV_STRUCTURED_REMAINING: return GROUP_REPLY; case STATE_REPLY_SIMPLE_REPLY_START: return GROUP_REPLY_SIMPLE_REPLY; case STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD: return GROUP_REPLY_SIMPLE_REPLY; case STATE_REPLY_CHUNK_REPLY_START: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_RESYNC: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_CHUNK_REPLY_FINISH: return GROUP_REPLY_CHUNK_REPLY; case STATE_REPLY_FINISH_COMMAND: return GROUP_REPLY; case STATE_DEAD: return GROUP_TOP; case STATE_CLOSED: return GROUP_TOP; default: abort (); /* Should never happen, but keeps GCC happy. */ } } /* Map a state group to its parent group. */ enum state_group nbd_internal_state_group_parent (enum state_group group) { switch (group) { case GROUP_TOP: return GROUP_TOP; case GROUP_CONNECT: return GROUP_TOP; case GROUP_CONNECT_TCP: return GROUP_TOP; case GROUP_CONNECT_COMMAND: return GROUP_TOP; case GROUP_CONNECT_SA: return GROUP_TOP; case GROUP_MAGIC: return GROUP_TOP; case GROUP_OLDSTYLE: return GROUP_TOP; case GROUP_NEWSTYLE: return GROUP_TOP; case GROUP_NEWSTYLE_OPT_STARTTLS: return GROUP_NEWSTYLE; case GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS: return GROUP_NEWSTYLE; case GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY: return GROUP_NEWSTYLE; case GROUP_NEWSTYLE_OPT_META_CONTEXT: return GROUP_NEWSTYLE; case GROUP_NEWSTYLE_OPT_GO: return GROUP_NEWSTYLE; case GROUP_NEWSTYLE_OPT_EXPORT_NAME: return GROUP_NEWSTYLE; case GROUP_NEWSTYLE_OPT_LIST: return GROUP_NEWSTYLE; case GROUP_ISSUE_COMMAND: return GROUP_TOP; case GROUP_REPLY: return GROUP_TOP; case GROUP_REPLY_SIMPLE_REPLY: return GROUP_REPLY; case GROUP_REPLY_CHUNK_REPLY: return GROUP_REPLY; default: abort (); /* Should never happen, but keeps GCC happy. */ } }; libnbd-1.22.2/lib/states.h0000444000175000017500000006677714603303744010764 /* NBD client library in userspace * WARNING: THIS FILE IS GENERATED FROM * generator/generator generator/states*.c * ANY CHANGES YOU MAKE TO THIS FILE WILL BE LOST. * * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ enum state { /* START: Handle after being initially created */ STATE_START, /* CONNECT.START: Initial call to connect(2) on the socket */ STATE_CONNECT_START, /* CONNECT.CONNECTING: Connecting to the remote server */ STATE_CONNECT_CONNECTING, /* CONNECT_TCP.START: Connect to a remote TCP server */ STATE_CONNECT_TCP_START, /* CONNECT_TCP.CONNECT: Initial call to connect(2) on a TCP socket */ STATE_CONNECT_TCP_CONNECT, /* CONNECT_TCP.CONNECTING: Connecting to the remote server over a TCP socket */ STATE_CONNECT_TCP_CONNECTING, /* CONNECT_TCP.NEXT_ADDRESS: Connecting to the next address over a TCP socket */ STATE_CONNECT_TCP_NEXT_ADDRESS, /* CONNECT_COMMAND.START: Connect to a subprocess */ STATE_CONNECT_COMMAND_START, /* CONNECT_SA.START: Connect to a subprocess with systemd socket activation */ STATE_CONNECT_SA_START, /* MAGIC.START: Prepare to receive the magic identification from remote */ STATE_MAGIC_START, /* MAGIC.RECV_MAGIC: Receive initial magic identification from remote */ STATE_MAGIC_RECV_MAGIC, /* MAGIC.CHECK_MAGIC: Check magic and version sent by remote */ STATE_MAGIC_CHECK_MAGIC, /* OLDSTYLE.START: Prepare to receive remainder of oldstyle header */ STATE_OLDSTYLE_START, /* OLDSTYLE.RECV_REMAINING: Receive remainder of oldstyle header */ STATE_OLDSTYLE_RECV_REMAINING, /* OLDSTYLE.CHECK: Check oldstyle header */ STATE_OLDSTYLE_CHECK, /* NEWSTYLE.START: Prepare to receive newstyle gflags from remote */ STATE_NEWSTYLE_START, /* NEWSTYLE.RECV_GFLAGS: Receive newstyle gflags from remote */ STATE_NEWSTYLE_RECV_GFLAGS, /* NEWSTYLE.CHECK_GFLAGS: Check global flags sent by remote */ STATE_NEWSTYLE_CHECK_GFLAGS, /* NEWSTYLE.SEND_CFLAGS: Send newstyle client flags to remote */ STATE_NEWSTYLE_SEND_CFLAGS, /* NEWSTYLE.OPT_STARTTLS.START: Try to send newstyle NBD_OPT_STARTTLS to * upgrade to TLS */ STATE_NEWSTYLE_OPT_STARTTLS_START, /* NEWSTYLE.OPT_STARTTLS.SEND: Send newstyle NBD_OPT_STARTTLS to upgrade to * TLS */ STATE_NEWSTYLE_OPT_STARTTLS_SEND, /* NEWSTYLE.OPT_STARTTLS.RECV_REPLY: Receive newstyle NBD_OPT_STARTTLS reply */ STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY, /* NEWSTYLE.OPT_STARTTLS.RECV_REPLY_PAYLOAD: Receive any newstyle * NBD_OPT_STARTTLS reply payload */ STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD, /* NEWSTYLE.OPT_STARTTLS.CHECK_REPLY: Check newstyle NBD_OPT_STARTTLS reply */ STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY, /* NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_READ: TLS handshake (reading) */ STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ, /* NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_WRITE: TLS handshake (writing) */ STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE, /* NEWSTYLE.OPT_STARTTLS.TLS_HANDSHAKE_DONE: TLS handshake complete */ STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE, /* NEWSTYLE.OPT_EXTENDED_HEADERS.START: Try to negotiate newstyle * NBD_OPT_EXTENDED_HEADERS */ STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START, /* NEWSTYLE.OPT_EXTENDED_HEADERS.SEND: Send newstyle NBD_OPT_EXTENDED_HEADERS * negotiation request */ STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND, /* NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY: Receive newstyle * NBD_OPT_EXTENDED_HEADERS option reply */ STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY, /* NEWSTYLE.OPT_EXTENDED_HEADERS.RECV_REPLY_PAYLOAD: Receive any newstyle * NBD_OPT_EXTENDED_HEADERS reply payload */ STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD, /* NEWSTYLE.OPT_EXTENDED_HEADERS.CHECK_REPLY: Check newstyle * NBD_OPT_EXTENDED_HEADERS option reply */ STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY, /* NEWSTYLE.OPT_STRUCTURED_REPLY.START: Try to negotiate newstyle * NBD_OPT_STRUCTURED_REPLY */ STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START, /* NEWSTYLE.OPT_STRUCTURED_REPLY.SEND: Send newstyle NBD_OPT_STRUCTURED_REPLY * negotiation request */ STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND, /* NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY: Receive newstyle * NBD_OPT_STRUCTURED_REPLY option reply */ STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY, /* NEWSTYLE.OPT_STRUCTURED_REPLY.RECV_REPLY_PAYLOAD: Receive any newstyle * NBD_OPT_STRUCTURED_REPLY reply payload */ STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD, /* NEWSTYLE.OPT_STRUCTURED_REPLY.CHECK_REPLY: Check newstyle * NBD_OPT_STRUCTURED_REPLY option reply */ STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY, /* NEWSTYLE.OPT_META_CONTEXT.START: Try to negotiate newstyle * NBD_OPT_SET_META_CONTEXT */ STATE_NEWSTYLE_OPT_META_CONTEXT_START, /* NEWSTYLE.OPT_META_CONTEXT.SEND: Send newstyle NBD_OPT_SET_META_CONTEXT */ STATE_NEWSTYLE_OPT_META_CONTEXT_SEND, /* NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAMELEN: Send newstyle * NBD_OPT_SET_META_CONTEXT export name length */ STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN, /* NEWSTYLE.OPT_META_CONTEXT.SEND_EXPORTNAME: Send newstyle * NBD_OPT_SET_META_CONTEXT export name */ STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME, /* NEWSTYLE.OPT_META_CONTEXT.SEND_NRQUERIES: Send newstyle * NBD_OPT_SET_META_CONTEXT number of queries */ STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES, /* NEWSTYLE.OPT_META_CONTEXT.PREPARE_NEXT_QUERY: Prepare to send newstyle * NBD_OPT_SET_META_CONTEXT query */ STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY, /* NEWSTYLE.OPT_META_CONTEXT.SEND_QUERYLEN: Send newstyle * NBD_OPT_SET_META_CONTEXT query length */ STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN, /* NEWSTYLE.OPT_META_CONTEXT.SEND_QUERY: Send newstyle * NBD_OPT_SET_META_CONTEXT query */ STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY, /* NEWSTYLE.OPT_META_CONTEXT.PREPARE_FOR_REPLY: Prepare to receive newstyle * NBD_OPT_SET_META_CONTEXT option reply */ STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY, /* NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY: Receive newstyle * NBD_OPT_SET_META_CONTEXT option reply */ STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY, /* NEWSTYLE.OPT_META_CONTEXT.RECV_REPLY_PAYLOAD: Receive newstyle * NBD_OPT_SET_META_CONTEXT option reply payload */ STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD, /* NEWSTYLE.OPT_META_CONTEXT.CHECK_REPLY: Check newstyle * NBD_OPT_SET_META_CONTEXT option reply */ STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY, /* NEWSTYLE.OPT_GO.START: Try to send newstyle NBD_OPT_GO to end handshake */ STATE_NEWSTYLE_OPT_GO_START, /* NEWSTYLE.OPT_GO.SEND: Send newstyle NBD_OPT_GO to end handshake */ STATE_NEWSTYLE_OPT_GO_SEND, /* NEWSTYLE.OPT_GO.SEND_EXPORTNAMELEN: Send newstyle NBD_OPT_GO export name * length */ STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN, /* NEWSTYLE.OPT_GO.SEND_EXPORT: Send newstyle NBD_OPT_GO export name */ STATE_NEWSTYLE_OPT_GO_SEND_EXPORT, /* NEWSTYLE.OPT_GO.SEND_NRINFOS: Send newstyle NBD_OPT_GO number of infos */ STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS, /* NEWSTYLE.OPT_GO.SEND_INFO: Send newstyle NBD_OPT_GO request for * NBD_INFO_BLOCK_SIZE */ STATE_NEWSTYLE_OPT_GO_SEND_INFO, /* NEWSTYLE.OPT_GO.RECV_REPLY: Receive newstyle NBD_OPT_GO reply */ STATE_NEWSTYLE_OPT_GO_RECV_REPLY, /* NEWSTYLE.OPT_GO.RECV_REPLY_PAYLOAD: Receive newstyle NBD_OPT_GO reply * payload */ STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD, /* NEWSTYLE.OPT_GO.CHECK_REPLY: Check newstyle NBD_OPT_GO reply */ STATE_NEWSTYLE_OPT_GO_CHECK_REPLY, /* NEWSTYLE.OPT_EXPORT_NAME.START: Try to send newstyle NBD_OPT_EXPORT_NAME to * end handshake */ STATE_NEWSTYLE_OPT_EXPORT_NAME_START, /* NEWSTYLE.OPT_EXPORT_NAME.SEND: Send newstyle NBD_OPT_EXPORT_NAME to end * handshake */ STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND, /* NEWSTYLE.OPT_EXPORT_NAME.SEND_EXPORT: Send newstyle NBD_OPT_EXPORT_NAME * export name */ STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT, /* NEWSTYLE.OPT_EXPORT_NAME.RECV_REPLY: Receive newstyle NBD_OPT_EXPORT_NAME * reply */ STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY, /* NEWSTYLE.OPT_EXPORT_NAME.CHECK_REPLY: Check newstyle NBD_OPT_EXPORT_NAME * reply */ STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY, /* NEWSTYLE.OPT_LIST.START: Start listing exports if in list mode. */ STATE_NEWSTYLE_OPT_LIST_START, /* NEWSTYLE.OPT_LIST.SEND: Send newstyle NBD_OPT_LIST to begin listing exports */ STATE_NEWSTYLE_OPT_LIST_SEND, /* NEWSTYLE.OPT_LIST.RECV_REPLY: Receive NBD_REP_SERVER reply */ STATE_NEWSTYLE_OPT_LIST_RECV_REPLY, /* NEWSTYLE.OPT_LIST.RECV_REPLY_PAYLOAD: Receive NBD_REP_SERVER reply payload */ STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD, /* NEWSTYLE.OPT_LIST.CHECK_REPLY: Check NBD_REP_SERVER reply */ STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY, /* NEWSTYLE.PREPARE_OPT_ABORT: Prepare to send NBD_OPT_ABORT */ STATE_NEWSTYLE_PREPARE_OPT_ABORT, /* NEWSTYLE.SEND_OPT_ABORT: Send NBD_OPT_ABORT to end negotiation */ STATE_NEWSTYLE_SEND_OPT_ABORT, /* NEWSTYLE.SEND_OPTION_SHUTDOWN: Sending write shutdown notification to the * remote server */ STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN, /* NEWSTYLE.FINISHED: Finish off newstyle negotiation */ STATE_NEWSTYLE_FINISHED, /* NEGOTIATING: Connection is ready to negotiate an NBD option */ STATE_NEGOTIATING, /* READY: Connection is ready to process NBD commands */ STATE_READY, /* ISSUE_COMMAND.START: Begin issuing a command to the remote server */ STATE_ISSUE_COMMAND_START, /* ISSUE_COMMAND.SEND_REQUEST: Sending a request to the remote server */ STATE_ISSUE_COMMAND_SEND_REQUEST, /* ISSUE_COMMAND.PAUSE_SEND_REQUEST: Interrupt send request to receive an * earlier command's reply */ STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST, /* ISSUE_COMMAND.PREPARE_WRITE_PAYLOAD: Prepare the write payload to send to * the remote server */ STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD, /* ISSUE_COMMAND.SEND_WRITE_PAYLOAD: Sending the write payload to the remote * server */ STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD, /* ISSUE_COMMAND.PAUSE_WRITE_PAYLOAD: Interrupt write payload to receive an * earlier command's reply */ STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD, /* ISSUE_COMMAND.SEND_WRITE_SHUTDOWN: Sending write shutdown notification to * the remote server */ STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN, /* ISSUE_COMMAND.PAUSE_WRITE_SHUTDOWN: Interrupt write shutdown to receive an * earlier command's reply */ STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN, /* ISSUE_COMMAND.FINISH: Finish issuing a command */ STATE_ISSUE_COMMAND_FINISH, /* REPLY.START: Prepare to receive a reply from the remote server */ STATE_REPLY_START, /* REPLY.RECV_REPLY: Receive a reply from the remote server */ STATE_REPLY_RECV_REPLY, /* REPLY.CHECK_REPLY_MAGIC: Check if the reply has expected magic */ STATE_REPLY_CHECK_REPLY_MAGIC, /* REPLY.RECV_STRUCTURED_REMAINING: Receiving the remaining part of a * structured reply header */ STATE_REPLY_RECV_STRUCTURED_REMAINING, /* REPLY.SIMPLE_REPLY.START: Parse a simple reply from the server */ STATE_REPLY_SIMPLE_REPLY_START, /* REPLY.SIMPLE_REPLY.RECV_READ_PAYLOAD: Receiving the read payload for a * simple reply */ STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD, /* REPLY.CHUNK_REPLY.START: Start parsing a chunk reply payload from the * server */ STATE_REPLY_CHUNK_REPLY_START, /* REPLY.CHUNK_REPLY.RECV_ERROR: Receive a chunk reply error header */ STATE_REPLY_CHUNK_REPLY_RECV_ERROR, /* REPLY.CHUNK_REPLY.RECV_ERROR_MESSAGE: Receive a chunk reply error message */ STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE, /* REPLY.CHUNK_REPLY.RECV_ERROR_TAIL: Receive a chunk reply error tail */ STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL, /* REPLY.CHUNK_REPLY.RECV_OFFSET_DATA: Receive a chunk reply offset-data * header */ STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA, /* REPLY.CHUNK_REPLY.RECV_OFFSET_DATA_DATA: Receive a chunk reply offset-data * block of data */ STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA, /* REPLY.CHUNK_REPLY.RECV_OFFSET_HOLE: Receive a chunk reply offset-hole * header */ STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE, /* REPLY.CHUNK_REPLY.RECV_BS_HEADER: Receive header of a chunk reply * block-status payload */ STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER, /* REPLY.CHUNK_REPLY.RECV_BS_ENTRIES: Receive entries array of chunk reply * block-status payload */ STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES, /* REPLY.CHUNK_REPLY.RESYNC: Ignore payload of an unexpected chunk reply */ STATE_REPLY_CHUNK_REPLY_RESYNC, /* REPLY.CHUNK_REPLY.FINISH: Finish receiving a chunk reply */ STATE_REPLY_CHUNK_REPLY_FINISH, /* REPLY.FINISH_COMMAND: Finish receiving a command */ STATE_REPLY_FINISH_COMMAND, /* DEAD: Connection is in an unrecoverable error state, can only be closed */ STATE_DEAD, /* CLOSED: Connection is closed */ STATE_CLOSED, }; /* These correspond to the external events in generator/generator. */ enum external_event { notify_read, notify_write, cmd_create, cmd_connect_sockaddr, cmd_connect_tcp, cmd_connect_command, cmd_connect_sa, cmd_connect_socket, cmd_issue, }; /* State groups. */ enum state_group { GROUP_TOP, GROUP_CONNECT, GROUP_CONNECT_TCP, GROUP_CONNECT_COMMAND, GROUP_CONNECT_SA, GROUP_MAGIC, GROUP_OLDSTYLE, GROUP_NEWSTYLE, GROUP_NEWSTYLE_OPT_STARTTLS, GROUP_NEWSTYLE_OPT_EXTENDED_HEADERS, GROUP_NEWSTYLE_OPT_STRUCTURED_REPLY, GROUP_NEWSTYLE_OPT_META_CONTEXT, GROUP_NEWSTYLE_OPT_GO, GROUP_NEWSTYLE_OPT_EXPORT_NAME, GROUP_NEWSTYLE_OPT_LIST, GROUP_ISSUE_COMMAND, GROUP_REPLY, GROUP_REPLY_SIMPLE_REPLY, GROUP_REPLY_CHUNK_REPLY, }; /* State transitions defined in states.c. */ extern int nbd_internal_enter_STATE_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_CONNECTING ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_TCP_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_TCP_CONNECT ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_TCP_CONNECTING ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_TCP_NEXT_ADDRESS ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_COMMAND_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CONNECT_SA_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_MAGIC_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_MAGIC_RECV_MAGIC ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_MAGIC_CHECK_MAGIC ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_OLDSTYLE_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_OLDSTYLE_RECV_REMAINING ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_OLDSTYLE_CHECK ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_RECV_GFLAGS ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_CHECK_GFLAGS ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_SEND_CFLAGS ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_READ ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_WRITE ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STARTTLS_TLS_HANDSHAKE_DONE ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXTENDED_HEADERS_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_STRUCTURED_REPLY_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAMELEN ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_EXPORTNAME ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_NRQUERIES ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_NEXT_QUERY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERYLEN ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_SEND_QUERY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_PREPARE_FOR_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_META_CONTEXT_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORTNAMELEN ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_EXPORT ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_NRINFOS ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_SEND_INFO ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_GO_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_SEND_EXPORT ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_EXPORT_NAME_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_SEND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_RECV_REPLY_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_OPT_LIST_CHECK_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_PREPARE_OPT_ABORT ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_SEND_OPT_ABORT ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_SEND_OPTION_SHUTDOWN ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEWSTYLE_FINISHED ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_NEGOTIATING ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_READY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_REQUEST ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_SEND_REQUEST ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_PREPARE_WRITE_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_WRITE_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_SEND_WRITE_SHUTDOWN ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_PAUSE_WRITE_SHUTDOWN ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_ISSUE_COMMAND_FINISH ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_RECV_REPLY ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHECK_REPLY_MAGIC ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_RECV_STRUCTURED_REMAINING ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_SIMPLE_REPLY_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_SIMPLE_REPLY_RECV_READ_PAYLOAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_START ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_MESSAGE ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_ERROR_TAIL ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_DATA_DATA ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_OFFSET_HOLE ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_HEADER ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RECV_BS_ENTRIES ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_RESYNC ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_CHUNK_REPLY_FINISH ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_REPLY_FINISH_COMMAND ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_DEAD ( struct nbd_handle *h, bool *blocked ); extern int nbd_internal_enter_STATE_CLOSED ( struct nbd_handle *h, bool *blocked ); libnbd-1.22.2/lib/unlocked.h0000444000175000017500000006235114706511425011246 /* NBD client library in userspace * WARNING: THIS FILE IS GENERATED FROM * generator/generator * ANY CHANGES YOU MAKE TO THIS FILE WILL BE LOST. * * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef LIBNBD_UNLOCKED_H #define LIBNBD_UNLOCKED_H extern int nbd_unlocked_set_debug ( struct nbd_handle *h, bool debug ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_debug ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_debug_callback ( struct nbd_handle *h, nbd_debug_callback *debug_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_clear_debug_callback ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uint64_t nbd_unlocked_stats_bytes_sent ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uint64_t nbd_unlocked_stats_chunks_sent ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uint64_t nbd_unlocked_stats_bytes_received ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uint64_t nbd_unlocked_stats_chunks_received ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_handle_name ( struct nbd_handle *h, const char *handle_name ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern char * nbd_unlocked_get_handle_name ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern uintptr_t nbd_unlocked_set_private_data ( struct nbd_handle *h, uintptr_t private_data ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uintptr_t nbd_unlocked_get_private_data ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_export_name ( struct nbd_handle *h, const char *export_name ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern char * nbd_unlocked_get_export_name ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_request_block_size ( struct nbd_handle *h, bool request ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_request_block_size ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_full_info ( struct nbd_handle *h, bool request ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_full_info ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern char * nbd_unlocked_get_canonical_export_name ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern char * nbd_unlocked_get_export_description ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_tls ( struct nbd_handle *h, int tls ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_tls ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_tls_negotiated ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_tls_certificates ( struct nbd_handle *h, const char *dir ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_set_tls_verify_peer ( struct nbd_handle *h, bool verify ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_tls_verify_peer ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_tls_username ( struct nbd_handle *h, const char *username ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern char * nbd_unlocked_get_tls_username ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_tls_hostname ( struct nbd_handle *h, const char *hostname ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern char * nbd_unlocked_get_tls_hostname ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_tls_psk_file ( struct nbd_handle *h, const char *filename ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_set_request_extended_headers ( struct nbd_handle *h, bool request ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_request_extended_headers ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_extended_headers_negotiated ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_request_structured_replies ( struct nbd_handle *h, bool request ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_request_structured_replies ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_structured_replies_negotiated ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_request_meta_context ( struct nbd_handle *h, bool request ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_request_meta_context ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_handshake_flags ( struct nbd_handle *h, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uint32_t nbd_unlocked_get_handshake_flags ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_pread_initialize ( struct nbd_handle *h, bool request ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_pread_initialize ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_strict_mode ( struct nbd_handle *h, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern uint32_t nbd_unlocked_get_strict_mode ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_opt_mode ( struct nbd_handle *h, bool enable ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_get_opt_mode ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_go ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_abort ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_starttls ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_extended_headers ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_structured_reply ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_list ( struct nbd_handle *h, nbd_list_callback *list_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_info ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_list_meta_context ( struct nbd_handle *h, nbd_context_callback *context_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_list_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback *context_callback ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_opt_set_meta_context ( struct nbd_handle *h, nbd_context_callback *context_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_opt_set_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback *context_callback ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_add_meta_context ( struct nbd_handle *h, const char *name ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern ssize_t nbd_unlocked_get_nr_meta_contexts ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern char * nbd_unlocked_get_meta_context ( struct nbd_handle *h, size_t i ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_clear_meta_contexts ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_uri_allow_transports ( struct nbd_handle *h, uint32_t mask ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_uri_allow_tls ( struct nbd_handle *h, int tls ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_set_uri_allow_local_file ( struct nbd_handle *h, bool allow ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_connect_uri ( struct nbd_handle *h, const char *uri ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_connect_unix ( struct nbd_handle *h, const char *unixsocket ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_connect_vsock ( struct nbd_handle *h, uint32_t cid, uint32_t port ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_connect_tcp ( struct nbd_handle *h, const char *hostname, const char *port ) LIBNBD_ATTRIBUTE_NONNULL (1, 2, 3); extern int nbd_unlocked_connect_socket ( struct nbd_handle *h, int sock ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_connect_command ( struct nbd_handle *h, char **argv ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_connect_systemd_socket_activation ( struct nbd_handle *h, char **argv ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_set_socket_activation_name ( struct nbd_handle *h, const char *socket_name ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern char * nbd_unlocked_get_socket_activation_name ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_is_read_only ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_flush ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_fua ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_is_rotational ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_trim ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_zero ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_fast_zero ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_block_status_payload ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_df ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_multi_conn ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_cache ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_can_meta_context ( struct nbd_handle *h, const char *metacontext ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern const char * nbd_unlocked_get_protocol ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_get_size ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_get_block_size ( struct nbd_handle *h, int size_type ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_pread ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_pread_structured ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_chunk_callback *chunk_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_pwrite ( struct nbd_handle *h, const void *buf, size_t count, uint64_t offset, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_shutdown ( struct nbd_handle *h, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_flush ( struct nbd_handle *h, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_trim ( struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_cache ( struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_zero ( struct nbd_handle *h, uint64_t count, uint64_t offset, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_block_status ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent_callback *extent_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_block_status_64 ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent64_callback *extent64_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_block_status_filter ( struct nbd_handle *h, uint64_t count, uint64_t offset, char **contexts, nbd_extent64_callback *extent64_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 4); extern int nbd_unlocked_poll ( struct nbd_handle *h, int timeout ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_poll2 ( struct nbd_handle *h, int fd, int timeout ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_connect ( struct nbd_handle *h, const struct sockaddr *addr, socklen_t addrlen ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_connect_uri ( struct nbd_handle *h, const char *uri ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_connect_unix ( struct nbd_handle *h, const char *unixsocket ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_connect_vsock ( struct nbd_handle *h, uint32_t cid, uint32_t port ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_connect_tcp ( struct nbd_handle *h, const char *hostname, const char *port ) LIBNBD_ATTRIBUTE_NONNULL (1, 2, 3); extern int nbd_unlocked_aio_connect_socket ( struct nbd_handle *h, int sock ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_connect_command ( struct nbd_handle *h, char **argv ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_connect_systemd_socket_activation ( struct nbd_handle *h, char **argv ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_opt_go ( struct nbd_handle *h, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_abort ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_starttls ( struct nbd_handle *h, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_extended_headers ( struct nbd_handle *h, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_structured_reply ( struct nbd_handle *h, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_list ( struct nbd_handle *h, nbd_list_callback *list_callback, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_info ( struct nbd_handle *h, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_list_meta_context ( struct nbd_handle *h, nbd_context_callback *context_callback, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_list_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback *context_callback, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_opt_set_meta_context ( struct nbd_handle *h, nbd_context_callback *context_callback, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_opt_set_meta_context_queries ( struct nbd_handle *h, char **queries, nbd_context_callback *context_callback, nbd_completion_callback *completion_callback ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int64_t nbd_unlocked_aio_pread ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int64_t nbd_unlocked_aio_pread_structured ( struct nbd_handle *h, void *buf, size_t count, uint64_t offset, nbd_chunk_callback *chunk_callback, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int64_t nbd_unlocked_aio_pwrite ( struct nbd_handle *h, const void *buf, size_t count, uint64_t offset, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); extern int nbd_unlocked_aio_disconnect ( struct nbd_handle *h, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_flush ( struct nbd_handle *h, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_trim ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_cache ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_zero ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_block_status ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent_callback *extent_callback, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_block_status_64 ( struct nbd_handle *h, uint64_t count, uint64_t offset, nbd_extent64_callback *extent64_callback, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_block_status_filter ( struct nbd_handle *h, uint64_t count, uint64_t offset, char **contexts, nbd_extent64_callback *extent64_callback, nbd_completion_callback *completion_callback, uint32_t flags ) LIBNBD_ATTRIBUTE_NONNULL (1, 4); extern int nbd_unlocked_aio_get_fd ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern unsigned nbd_unlocked_aio_get_direction ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_notify_read ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_notify_write ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_created ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_connecting ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_negotiating ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_ready ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_processing ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_dead ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_is_closed ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_command_completed ( struct nbd_handle *h, uint64_t cookie ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_aio_peek_command_completed ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_aio_in_flight ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern const char * nbd_unlocked_connection_state ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern const char * nbd_unlocked_get_package_name ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern const char * nbd_unlocked_get_version ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_kill_subprocess ( struct nbd_handle *h, int signum ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int64_t nbd_unlocked_get_subprocess_pid ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_supports_tls ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_supports_vsock ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_supports_uri ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_NONNULL (1); extern char * nbd_unlocked_get_uri ( struct nbd_handle *h ) LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (__builtin_free) LIBNBD_ATTRIBUTE_NONNULL (1); extern int nbd_unlocked_is_uri ( struct nbd_handle *h, const char *uri ) LIBNBD_ATTRIBUTE_NONNULL (1, 2); #endif /* LIBNBD_UNLOCKED_H */ libnbd-1.22.2/lib/uri.c0000644000175000017500000004753214651423524010243 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_LINUX_VM_SOCKETS_H #include #elif HAVE_SYS_VSOCK_H #include #endif #include "array-size.h" #include "vector.h" #include "internal.h" #ifdef HAVE_LIBXML2 #include /* Connect to an NBD URI. */ int nbd_unlocked_connect_uri (struct nbd_handle *h, const char *uri) { if (nbd_unlocked_aio_connect_uri (h, uri) == -1) return -1; return nbd_internal_wait_until_connected (h); } struct uri_query { char *name; char *value; }; DEFINE_VECTOR_TYPE (uri_query_list, struct uri_query); /* Parse the query_raw substring of a URI into a list of decoded queries. * Return 0 on success or -1 on error. */ static int parse_uri_queries (const char *query_raw, uri_query_list *list) { /* Borrows from libvirt's viruri.c:virURIParseParams() */ const char *end, *eq; const char *query = query_raw; size_t i; if (!query || !*query) return 0; while (*query) { struct uri_query q = {0}; /* Find the next separator, or end of the string. */ end = strchr (query, '&'); if (!end) end = strchr (query, ';'); if (!end) end = query + strlen (query); /* Find the first '=' character between here and end. */ eq = strchr (query, '='); if (eq && eq >= end) eq = NULL; if (end == query) { /* Empty section (eg. "&&"). */ goto next; } else if (!eq) { /* If there is no '=' character, then we have just "name" * and consistent with CGI.pm we assume value is "". */ q.name = xmlURIUnescapeString (query, end - query, NULL); if (!q.name) goto error; } else if (eq+1 == end) { /* Or if we have "name=" here (works around annoying * problem when calling xmlURIUnescapeString with len = 0). */ q.name = xmlURIUnescapeString (query, eq - query, NULL); if (!q.name) goto error; } else if (query == eq) { /* If the '=' character is at the beginning then we have * "=value" and consistent with CGI.pm we _ignore_ this. */ goto next; } else { /* Otherwise it's "name=value". */ q.name = xmlURIUnescapeString (query, eq - query, NULL); if (!q.name) goto error; q.value = xmlURIUnescapeString (eq+1, end - (eq+1), NULL); if (!q.value) { free (q.name); goto error; } } if (!q.value) { q.value = strdup (""); if (!q.value) { free (q.name); goto error; } } /* Append to the list of queries. */ if (uri_query_list_append (list, q) == -1) { free (q.name); free (q.value); goto error; } next: query = end; if (*query) query++; /* skip '&' separator */ } return 0; error: for (i = 0; i < list->len; ++i) { free (list->ptr[i].name); free (list->ptr[i].value); } uri_query_list_reset (list); return -1; } /* Similar to nbdkit_parse_bool */ int parse_bool (const char *param, const char *value) { if (!strcmp (value, "1") || !strcasecmp (value, "true") || !strcasecmp (value, "t") || !strcasecmp (value, "yes") || !strcasecmp (value, "y") || !strcasecmp (value, "on")) return 1; if (!strcmp (value, "0") || !strcasecmp (value, "false") || !strcasecmp (value, "f") || !strcasecmp (value, "no") || !strcasecmp (value, "n") || !strcasecmp (value, "off")) return 0; set_error (EINVAL, "could not parse %s parameter, expecting %s=true|false", param, param); return -1; } int nbd_unlocked_aio_connect_uri (struct nbd_handle *h, const char *raw_uri) { xmlURIPtr uri = NULL; enum { tcp, unix_sock, vsock, ssh } transport; bool tls; enum { none, optional, required } socket_param; uri_query_list queries = empty_vector; int i, r; int ret = -1; const char *unixsocket = NULL; uri = xmlParseURI (raw_uri); if (!uri) { set_error (EINVAL, "unable to parse URI: %s", raw_uri); goto cleanup; } if (parse_uri_queries (uri->query_raw, &queries) == -1) { set_error (EINVAL, "unable to parse URI queries: %s", uri->query_raw); goto cleanup; } /* Scheme. */ if (uri->scheme) { if (strcasecmp (uri->scheme, "nbd") == 0) { transport = tcp; tls = false; socket_param = none; } else if (strcasecmp (uri->scheme, "nbds") == 0) { transport = tcp; tls = true; socket_param = none; } else if (strcasecmp (uri->scheme, "nbd+unix") == 0) { transport = unix_sock; tls = false; socket_param = required; } else if (strcasecmp (uri->scheme, "nbds+unix") == 0) { transport = unix_sock; tls = true; socket_param = required; } else if (strcasecmp (uri->scheme, "nbd+vsock") == 0) { transport = vsock; tls = false; socket_param = none; } else if (strcasecmp (uri->scheme, "nbds+vsock") == 0) { transport = vsock; tls = true; socket_param = none; } else if (strcasecmp (uri->scheme, "nbd+ssh") == 0) { transport = ssh; tls = false; socket_param = optional; } else if (strcasecmp (uri->scheme, "nbds+ssh") == 0) { transport = ssh; tls = true; socket_param = optional; } else { set_error (EINVAL, "unknown NBD URI scheme: %s", uri->scheme); goto cleanup; } } else { const char *explanation = NULL; if (raw_uri[0] == '/' && (h->uri_allow_transports & LIBNBD_ALLOW_TRANSPORT_UNIX) != 0) explanation = "to open a local socket use \"nbd+unix://?socket=PATH\""; else if (strncasecmp (raw_uri, "localhost", 9) == 0 && (h->uri_allow_transports & LIBNBD_ALLOW_TRANSPORT_TCP) != 0) explanation = "to open a local port use \"nbd://localhost\" or " "\"nbd://localhost:PORT\""; set_error (EINVAL, "NBD URI does not have a scheme: valid NBD URIs should " "start with a scheme like nbd://, nbds:// or nbd+unix://" "%s%s", explanation ? ": " : "", explanation ? explanation : ""); goto cleanup; } /* Insist on the scheme://[authority][/absname][?queries] form. */ if (strncmp (raw_uri + strlen (uri->scheme), "://", 3)) { set_error (EINVAL, "URI must begin with '%s://'", uri->scheme); goto cleanup; } /* Check the transport is allowed. */ if ((transport == tcp && (h->uri_allow_transports & LIBNBD_ALLOW_TRANSPORT_TCP) == 0) || (transport == unix_sock && (h->uri_allow_transports & LIBNBD_ALLOW_TRANSPORT_UNIX) == 0) || (transport == vsock && (h->uri_allow_transports & LIBNBD_ALLOW_TRANSPORT_VSOCK) == 0) || (transport == ssh && (h->uri_allow_transports & LIBNBD_ALLOW_TRANSPORT_SSH) == 0)) { set_error (EPERM, "URI transport %s is not permitted", uri->scheme); goto cleanup; } /* Check TLS is allowed. */ if ((tls && h->uri_allow_tls == LIBNBD_TLS_DISABLE) || (!tls && h->uri_allow_tls == LIBNBD_TLS_REQUIRE)) { set_error (EPERM, "URI TLS setting %s is not permitted", uri->scheme); goto cleanup; } /* Parse the socket parameter. */ for (i = 0; i < queries.len; i++) { if (strcasecmp (queries.ptr[i].name, "socket") == 0) unixsocket = queries.ptr[i].value; } switch (socket_param) { case required: if (!unixsocket) { set_error (EINVAL, "cannot parse socket parameter from NBD URI " "(did you mean to use \"%s:///?socket=...\"?)", uri->scheme); goto cleanup; } break; case none: if (unixsocket) { set_error (EINVAL, "socket parameter is incompatible with \"%s:\" " "(did you mean to use \"%s+unix:///?socket=...\"?)", uri->scheme, !tls ? "nbd" : "nbds"); goto cleanup; } break; case optional: /* no check needed */ ; } /* TLS */ if (tls && nbd_unlocked_set_tls (h, LIBNBD_TLS_REQUIRE) == -1) goto cleanup; /* Look for some tls-* parameters. */ for (i = 0; i < queries.len; i++) { if (strcasecmp (queries.ptr[i].name, "tls-certificates") == 0) { if (! h->uri_allow_local_file) { set_error (EPERM, "local file access (tls-certificates) is not allowed, " "call nbd_set_uri_allow_local_file to enable this"); goto cleanup; } if (nbd_unlocked_set_tls_certificates (h, queries.ptr[i].value) == -1) goto cleanup; } else if (strcasecmp (queries.ptr[i].name, "tls-psk-file") == 0) { if (! h->uri_allow_local_file) { set_error (EPERM, "local file access (tls-psk-file) is not allowed, " "call nbd_set_uri_allow_local_file to enable this"); goto cleanup; } if (nbd_unlocked_set_tls_psk_file (h, queries.ptr[i].value) == -1) goto cleanup; } else if (strcasecmp (queries.ptr[i].name, "tls-hostname") == 0) { if (nbd_unlocked_set_tls_hostname (h, queries.ptr[i].value) == -1) goto cleanup; } else if (strcasecmp (queries.ptr[i].name, "tls-verify-peer") == 0) { int v = parse_bool ("tls-verify-peer", queries.ptr[i].value); if (v == -1) goto cleanup; if (nbd_unlocked_set_tls_verify_peer (h, v) == -1) goto cleanup; } } /* Username. */ if (uri->user && nbd_unlocked_set_tls_username (h, uri->user) == -1) goto cleanup; /* Export name. */ if (uri->path) { /* Since we require scheme://authority above, any path is absolute */ assert (uri->path[0] == '/'); r = nbd_unlocked_set_export_name (h, &uri->path[1]); } else r = nbd_unlocked_set_export_name (h, ""); if (r == -1) goto cleanup; switch (transport) { case tcp: { /* TCP */ char port_str[32]; char *server; size_t server_len; snprintf (port_str, sizeof port_str, "%d", uri->port > 0 ? uri->port : 10809); /* If the uri->server field is NULL, substitute "localhost". This * would be unusual and probably doesn't happen in reality. XXX */ server = uri->server ? : "localhost"; server_len = strlen (server); /* For a literal IPv6 address, the uri->server field will contain * "[addr]" and we must remove the brackets before passing it to * getaddrinfo in the state machine. */ if (server_len >= 2 && server[0] == '[' && server[server_len-1] == ']') { server_len -= 2; server++; server[server_len] = '\0'; } if (nbd_unlocked_aio_connect_tcp (h, server, port_str) == -1) goto cleanup; break; } case unix_sock: /* Unix domain socket */ if (nbd_unlocked_aio_connect_unix (h, unixsocket) == -1) goto cleanup; break; case vsock: { /* AF_VSOCK */ uint32_t cid, svm_port; /* Server, if present, must be the numeric CID. Else we * assume the host (2). */ if (uri->server && strcmp (uri->server, "") != 0) { /* This doesn't deal with overflow, but that seems unlikely to * matter because you'll end up with a CID one way or another. */ if (sscanf (uri->server, "%" SCNu32, &cid) != 1) { set_error (EINVAL, "cannot parse vsock CID from NBD URI: %s", uri->server); goto cleanup; } } else cid = 2; /* For unknown reasons libxml2 sets uri->port = -1 if the * authority field is not present at all. So we must check that * uri->port > 0. This prevents us from using certain very large * port numbers, but that's not an issue that matters in practice. */ svm_port = uri->port > 0 ? (uint32_t)uri->port : 10809; if (nbd_unlocked_aio_connect_vsock (h, cid, svm_port) == -1) goto cleanup; break; } case ssh: { /* SSH */ char port_str[32]; const char *ssh_command[] = { "ssh", "-p", port_str, uri->server, "nc", NULL, /* [5] "-U" or "localhost" */ NULL, /* [6] socket or "10809" */ NULL, }; if (!uri->server || strcmp (uri->server, "") == 0) { set_error (EINVAL, "SSH transport requires a server name"); goto cleanup; } snprintf (port_str, sizeof port_str, "%d", uri->port > 0 ? uri->port : 22); if (unixsocket) { ssh_command[5] = "-U"; ssh_command[6] = unixsocket; } else { ssh_command[5] = "localhost"; ssh_command[6] = "10809"; /* XXX provide a way to configure this */ } if (nbd_unlocked_aio_connect_command (h, (char **) ssh_command) == -1) goto cleanup; } } ret = 0; cleanup: for (i = 0; i < queries.len; ++i) { free (queries.ptr[i].name); free (queries.ptr[i].value); } free (queries.ptr); xmlFreeURI (uri); return ret; } /* This is best effort. If we didn't save enough information when * connecting then return NULL but try to set errno and the error * string to something useful. */ static int append_query_params (char **query_params, const char *key, const char *value) LIBNBD_ATTRIBUTE_NONNULL (1, 2, 3); char * nbd_unlocked_get_uri (struct nbd_handle *h) { xmlURI uri = { 0 }; bool using_tls; char *server = NULL; char *query_params = NULL; char *path = NULL; char *ret = NULL; if (h->tls == 2) /* TLS == require */ using_tls = true; else if (h->tls_negotiated) using_tls = true; else using_tls = false; /* First set uri.scheme and uri.server. */ /* We have a defined hostname and/or port number (nbd_connect_tcp). */ if (h->hostname && h->port) { int r; uri.scheme = using_tls ? "nbds" : "nbd"; /* We must try to guess here if the hostname is really an IPv6 * numeric address. Regular hostnames or IPv4 addresses wouldn't * contain ':'. */ if (strchr (h->hostname, ':') == NULL) r = asprintf (&server, "%s:%s", h->hostname, h->port); else r = asprintf (&server, "[%s]:%s", h->hostname, h->port); if (r == -1) { set_error (errno, "asprintf"); goto out; } uri.server = server; } /* We have a sockaddr (nbd_connect, nbd_connect_unix, nbd_connect_vsock). */ else if (h->connaddrlen > 0) { switch (h->connaddr.ss_family) { case AF_INET: case AF_INET6: { int r, err; char host[NI_MAXHOST]; char serv[NI_MAXSERV]; uri.scheme = using_tls ? "nbds" : "nbd"; err = getnameinfo ((struct sockaddr *)&h->connaddr, h->connaddrlen, host, sizeof host, serv, sizeof serv, NI_NUMERICHOST | NI_NUMERICSERV); if (err != 0) { set_error (0, "getnameinfo: %s", gai_strerror (err)); goto out; } if (h->connaddr.ss_family == AF_INET) r = asprintf (&server, "%s:%s", host, serv); else /* AF_INET6 */ r = asprintf (&server, "[%s]:%s", host, serv); if (r == -1) { set_error (errno, "asprintf"); goto out; } uri.server = server; break; } case AF_UNIX: { struct sockaddr_un *sun = (struct sockaddr_un *)&h->connaddr; if (sun->sun_path[0] == '\0') { /* Unix domain sockets in the abstract namespace are in theory * supported in NBD URIs, but libxml2 cannot handle them so * libnbd cannot use them here or in nbd_connect_uri. */ set_error (EPROTONOSUPPORT, "Unix domain sockets in the " "abstract namespace are not yet supported"); goto out; } uri.scheme = using_tls ? "nbds+unix" : "nbd+unix"; if (append_query_params (&query_params, "socket", sun->sun_path) == -1) goto out; /* You have to set this otherwise xmlSaveUri generates bogus * URIs "nbd+unix:/?socket=..." */ uri.server = ""; break; } #if HAVE_STRUCT_SOCKADDR_VM case AF_VSOCK: { struct sockaddr_vm *svm = (struct sockaddr_vm *)&h->connaddr; uri.scheme = using_tls ? "nbds+vsock" : "nbd+vsock"; if (asprintf (&server, "%u:%u", svm->svm_cid, svm->svm_port) == -1) { set_error (errno, "asprintf"); goto out; } uri.server = server; break; } #endif default: set_error (EAFNOSUPPORT, "address family %d not supported", h->connaddr.ss_family); goto out; } } /* Not enough information (nbd_connect_socket). */ else { set_error (EINVAL, "cannot construct a URI for this connection type"); goto out; } /* Set other uri.* fields. */ if (h->tls_username) uri.user = h->tls_username; if (h->export_name) { if (asprintf (&path, "/%s", h->export_name) == -1) { set_error (errno, "asprintf"); goto out; } uri.path = path; } if (h->tls_certificates) { if (append_query_params (&query_params, "tls-certificates", h->tls_certificates) == -1) goto out; } if (h->tls_psk_file) { if (append_query_params (&query_params, "tls-psk-file", h->tls_psk_file) == -1) goto out; } if (h->tls_hostname) { if (append_query_params (&query_params, "tls-hostname", h->tls_hostname) == -1) goto out; } if (! h->tls_verify_peer) { if (append_query_params (&query_params, "tls-verify-peer", "false") == -1) goto out; } uri.query_raw = query_params; /* Construct the final URI and return it. */ ret = (char *)xmlSaveUri (&uri); if (ret == NULL) set_error (errno, "xmlSaveUri failed"); out: free (server); free (query_params); free (path); return ret; } static int append_query_params (char **query_params, const char *key, const char *value) { char *old_query_params = *query_params; if (asprintf (query_params, "%s%s%s=%s", old_query_params ? : "", old_query_params ? "&" : "", key, value) == -1) { set_error (errno, "asprintf"); return -1; } free (old_query_params); return 0; } #else /* !HAVE_LIBXML2 */ #define NOT_SUPPORTED_ERROR \ "libnbd was compiled without libxml2 support, so we do not support NBD URI" int nbd_unlocked_connect_uri (struct nbd_handle *h, const char *uri) { set_error (ENOTSUP, NOT_SUPPORTED_ERROR); return -1; } int nbd_unlocked_aio_connect_uri (struct nbd_handle *h, const char *raw_uri) { set_error (ENOTSUP, NOT_SUPPORTED_ERROR); return -1; } char * nbd_unlocked_get_uri (struct nbd_handle *h) { set_error (ENOTSUP, NOT_SUPPORTED_ERROR); return NULL; } #endif /* !HAVE_LIBXML2 */ /* nbd_is_uri is simple enough that it works even if we don't have URI * support. */ int nbd_unlocked_is_uri (struct nbd_handle *h, const char *uri) { static const char *prefixes[] = { "nbd://", "nbds://", "nbd+unix://", "nbds+unix://", "nbd+vsock://", "nbds+vsock://", "nbd+ssh://", "nbds+ssh://", }; size_t i; for (i = 0; i < ARRAY_SIZE (prefixes); ++i) { if (strncasecmp (uri, prefixes[i], strlen (prefixes[i])) == 0) return 1; } return 0; } libnbd-1.22.2/lib/utils.c0000644000175000017500000005512314615730274010602 /* NBD client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include "array-size.h" #include "checked-overflow.h" #include "minmax.h" #include "internal.h" void nbd_internal_hexdump (const void *data, size_t len, FILE *fp) { size_t i, j; for (i = 0; i < len; i += 16) { fprintf (fp, "%04zx: ", i); for (j = i; j < MIN (i+16, len); ++j) fprintf (fp, "%02x ", ((const unsigned char *)data)[j]); for (; j < i+16; ++j) fprintf (fp, " "); fprintf (fp, "|"); for (j = i; j < MIN (i+16, len); ++j) if (isprint (((const char *)data)[j])) fprintf (fp, "%c", ((const char *)data)[j]); else fprintf (fp, "."); for (; j < i+16; ++j) fprintf (fp, " "); fprintf (fp, "|\n"); } } /* Replace a string_vector with a deep copy of in (including final NULL). */ int nbd_internal_copy_string_list (string_vector *v, char **in) { size_t i; assert (in); assert (v->ptr == NULL); for (i = 0; in[i] != NULL; ++i) { char *copy = strdup (in[i]); if (copy == NULL) return -1; if (string_vector_append (v, copy) == -1) { free (copy); return -1; } } return string_vector_append (v, NULL); } /* Store argv into h, or diagnose an error on failure. */ int nbd_internal_set_argv (struct nbd_handle *h, char **argv) { /* This should never be NULL. The generator adds code to each * StringList call in lib/api.c to check this and return an error. */ assert (argv); /* Because this function is only called from functions that take * argv-style lists of strings (such as nbd_connect_command) we can * check here that the command name is present. */ if (argv[0] == NULL) { set_error (EINVAL, "missing command name in argv list"); return -1; } string_vector_empty (&h->argv); if (nbd_internal_copy_string_list (&h->argv, argv) == -1) { set_error (errno, "realloc"); return -1; } return 0; } /* Copy queries (defaulting to h->request_meta_contexts) into h->querylist. * Set an error on failure. */ int nbd_internal_set_querylist (struct nbd_handle *h, char **queries) { string_vector_empty (&h->querylist); if (queries) { if (nbd_internal_copy_string_list (&h->querylist, queries) == -1) { set_error (errno, "realloc"); return -1; } /* Drop trailing NULL */ assert (h->querylist.len > 0); string_vector_remove (&h->querylist, h->querylist.len - 1); } else { size_t i; for (i = 0; i < h->request_meta_contexts.len; ++i) { char *copy = strdup (h->request_meta_contexts.ptr[i]); if (copy == NULL) { set_error (errno, "strdup"); return -1; } if (string_vector_append (&h->querylist, copy) == -1) { set_error (errno, "realloc"); free (copy); return -1; } } } return 0; } /* Like sprintf ("%ld", v), but safe to use between fork and exec. Do * not use this function in any other context. * * The caller must supply a scratch buffer which is at least 32 bytes * long (else the function will call abort()). Note that the returned * string does not point to the start of this buffer. */ const char * nbd_internal_fork_safe_itoa (long v, char *buf, size_t bufsize) { unsigned long uv = v; size_t i = bufsize - 1; bool neg = false; if (bufsize < 32) abort (); buf[i--] = '\0'; if (v < 0) { neg = true; uv = -uv; } if (uv == 0) buf[i--] = '0'; else { while (uv) { buf[i--] = '0' + (uv % 10); uv /= 10; } } if (neg) buf[i--] = '-'; i++; return &buf[i]; } #if defined (__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wunused-result" #endif /* "Best effort" function for writing out a list of NUL-terminated strings to a * file descriptor (without the NUL-terminators). The list is terminated with * (char *)NULL. Partial writes, and EINTR and EAGAIN failures are handled * internally. No value is returned; only call this function for writing * diagnostic data on error paths, when giving up on a higher-level action * anyway. * * No more than 16 strings, excluding the NULL terminator, will be written. (As * of POSIX Issue 7 + TC2, _XOPEN_IOV_MAX is 16.) * * The function is supposed to remain async-signal-safe. * * (The va_*() macros, while not marked async-signal-safe in Issue 7 + TC2, are * considered such, per , which * is binding for Issue 7 implementations via the Interpretations Track. * * Furthermore, writev(), while also not marked async-signal-safe in Issue 7 + * TC2, is considered such, per * , which is slated for * inclusion in Issue 7 TC3 (if there's going to be a TC3), and in Issue 8.) */ static void __attribute__ ((sentinel)) xwritel (int fildes, ...) { /* Open-code the current value of _XOPEN_IOV_MAX, in order to contain stack * footprint, should _XOPEN_IOV_MAX grow in the future. */ struct iovec iovec[16], *filled, *end, *pos; va_list ap; char *arg; /* Translate the variable argument list to IO vectors. Note that we cast away * const-ness intentionally. */ filled = iovec; end = iovec + ARRAY_SIZE (iovec); va_start (ap, fildes); while (filled < end && (arg = va_arg (ap, char *)) != NULL) *filled++ = (struct iovec){ .iov_base = arg, .iov_len = strlen (arg) }; va_end (ap); /* Write out the IO vectors. */ pos = iovec; while (pos < filled) { ssize_t written; /* Skip any empty vectors at the front. */ if (pos->iov_len == 0) { ++pos; continue; } /* Write out the vectors. */ do written = writev (fildes, pos, filled - pos); while (written == -1 && (errno == EINTR || errno == EAGAIN)); if (written == -1) return; /* Consume the vectors that have been written out (fully, or in part). Note * that "written" is positive here. */ do { size_t advance; advance = MIN (written, pos->iov_len); /* Note that "advance" is positive here iff "pos->iov_len" is positive. */ pos->iov_base = (char *)pos->iov_base + advance; pos->iov_len -= advance; written -= advance; /* At least one of "written" and "pos->iov_len" is zero here. */ if (pos->iov_len == 0) ++pos; } while (written > 0); } } /* Fork-safe version of perror. ONLY use this after fork and before * exec, the rest of the time use set_error(). */ void nbd_internal_fork_safe_perror (const char *s) { const int err = errno; const char *m = NULL; char buf[32]; #ifdef HAVE_STRERRORDESC_NP m = strerrordesc_np (errno); #else #if HAVE_SYS_ERRLIST /* NB Don't use #ifdef */ m = errno >= 0 && errno < sys_nerr ? sys_errlist[errno] : NULL; #endif #endif if (!m) m = nbd_internal_fork_safe_itoa (errno, buf, sizeof buf); xwritel (STDERR_FILENO, s, ": ", m, "\n", (char *)NULL); /* Restore original errno in case it was disturbed by the system * calls above. */ errno = err; } #if defined (__GNUC__) #pragma GCC diagnostic pop #endif /* nbd_internal_printable_* functions are used by the API code to * print debug messages when we trace calls in and out of libnbd. The * calls should attempt to convert the parameter into something * printable. * * They cannot fail, but it's OK if they return NULL. * * Caller frees the result. */ char * nbd_internal_printable_buffer (const void *buf, size_t count) { char *s = NULL; size_t len = 0, truncated; FILE *fp; fp = open_memstream (&s, &len); if (fp == NULL) return NULL; /* If the buffer is very long, truncate it to 1 sector. */ if (count > 512) { truncated = count - 512; count = 512; } else truncated = 0; fprintf (fp, "\n"); nbd_internal_hexdump (buf, count, fp); if (truncated) fprintf (fp, "[... %zu more bytes truncated ...]\n", truncated); fclose (fp); return s; } static void printable_string (const char *str, FILE *fp) { size_t i, n, truncated; if (str == NULL) { fprintf (fp, "NULL"); return; } n = strlen (str); if (n > 512) { truncated = n - 512; n = 512; } else truncated = 0; fprintf (fp, "\""); for (i = 0; i < n; ++i) { if (isprint (str[i])) fputc (str[i], fp); else fprintf (fp, "\\x%02x", str[i]); } if (truncated) fprintf (fp, "[... %zu more bytes truncated ...]", truncated); fprintf (fp, "\""); } char * nbd_internal_printable_string (const char *str) { char *s = NULL; size_t len = 0; FILE *fp; fp = open_memstream (&s, &len); if (fp == NULL) return NULL; printable_string (str, fp); fclose (fp); return s; } char * nbd_internal_printable_string_list (char **list) { char *s = NULL; size_t len = 0; FILE *fp; fp = open_memstream (&s, &len); if (fp == NULL) return NULL; if (list == NULL) fprintf (fp, "NULL"); else { size_t i; fprintf (fp, "["); for (i = 0; list[i] != NULL; ++i) { if (i > 0) fprintf (fp, ", "); printable_string (list[i], fp); } fprintf (fp, "]"); } fclose (fp); return s; } int nbd_internal_socket (int domain, int type, int protocol, bool nonblock) { int fd; /* So far we do not know about any platform that has SOCK_CLOEXEC and * lacks SOCK_NONBLOCK at the same time. * * The workaround for missing SOCK_CLOEXEC introduces a race which * cannot be fixed until support for SOCK_CLOEXEC is added (or other * fix is implemented). */ #ifndef SOCK_CLOEXEC int flags; #else type |= SOCK_CLOEXEC; if (nonblock) type |= SOCK_NONBLOCK; #endif fd = socket (domain, type, protocol); #ifndef SOCK_CLOEXEC if (fd == -1) return -1; if (fcntl (fd, F_SETFD, FD_CLOEXEC) == -1) { close (fd); return -1; } if (nonblock) { flags = fcntl (fd, F_GETFL, 0); if (flags == -1 || fcntl (fd, F_SETFL, flags|O_NONBLOCK) == -1) { close (fd); return -1; } } #endif return fd; } int nbd_internal_socketpair (int domain, int type, int protocol, int *fds) { int ret; /* * Same as with nbd_internal_socket() this workaround for missing * SOCK_CLOEXEC introduces a race which cannot be fixed until support * for SOCK_CLOEXEC is added (or other fix is implemented). */ #ifndef SOCK_CLOEXEC size_t i; #else type |= SOCK_CLOEXEC; #endif ret = socketpair (domain, type, protocol, fds); #ifndef SOCK_CLOEXEC if (ret == 0) { for (i = 0; i < 2; i++) { if (fcntl (fds[i], F_SETFD, FD_CLOEXEC) == -1) { close (fds[0]); close (fds[1]); return -1; } } } #endif return ret; } void nbd_internal_fork_safe_assert (int result, const char *file, long line, const char *func, const char *assertion) { const char *line_out; char line_buf[32]; if (result) return; line_out = nbd_internal_fork_safe_itoa (line, line_buf, sizeof line_buf); xwritel (STDERR_FILENO, file, ":", line_out, ": ", func, ": Assertion `", assertion, "' failed.\n", (char *)NULL); abort (); } /* Returns the value of the PATH environment variable -- falling back to * confstr(_CS_PATH) if PATH is absent -- as a dynamically allocated string. On * failure, sets "errno" and returns NULL. */ static char * LIBNBD_ATTRIBUTE_ALLOC_DEALLOC (free) get_path (void) { char *path; bool env_path_found; size_t path_size, path_size2; /* Note: per POSIX, here we should lock the environment, even just for * getenv(). However, glibc and any other high-quality libc will not be * modifying "environ" during getenv(), and no sane application should modify * the environment after launching threads. */ path = getenv ("PATH"); if ((env_path_found = (path != NULL))) path = strdup (path); /* This is where we'd unlock the environment. */ if (env_path_found) { /* This handles out-of-memory as well. */ return path; } errno = 0; path_size = confstr (_CS_PATH, NULL, 0); if (path_size == 0) { /* If _CS_PATH does not have a configuration-defined value, just store * ENOENT to "errno". */ if (errno == 0) errno = ENOENT; return NULL; } path = malloc (path_size); if (path == NULL) return NULL; path_size2 = confstr (_CS_PATH, path, path_size); assert (path_size2 == path_size); return path; } /* nbd_internal_execvpe_init() and nbd_internal_fork_safe_execvpe() together * present an execvp() alternative that is async-signal-safe. * * nbd_internal_execvpe_init() may only be called before fork(), for filling in * the caller-allocated, uninitialized "ctx" structure. If * nbd_internal_execvpe_init() succeeds, then fork() may be called. * Subsequently, in the child process, nbd_internal_fork_safe_execvpe() may be * called with the inherited "ctx" structure, while in the parent process, * nbd_internal_execvpe_uninit() must be called to uninitialize (evacuate) the * "ctx" structure. * * On failure, "ctx" will not have been modified, "errno" is set, and -1 is * returned. Failures include: * * - Errors forwarded from underlying functions such as strdup(), confstr(), * malloc(), string_vector_append(). * * - ENOENT: "file" is an empty string. * * - ENOENT: "file" does not contain a "/" character, the PATH * environment variable is not set, and confstr() doesn't associate a * configuration-defined value with _CS_PATH. * * - ENOENT: "file" does not contain a "/" character, and: (a) the PATH * environment variable is set to the empty string, or (b) PATH is not * set, and confstr() outputs the empty string for _CS_PATH. * * - EOVERFLOW: the sizes or counts of necessary objects could not be expressed. * * - EINVAL: "num_args" is less than 2. * * On success, the "ctx" structure will have been filled in, and 0 is returned. * * - "pathnames" member: * * - All strings pointed-to by elements of the "pathnames" string_vector * member are owned by "pathnames". * * - If "file" contains a "/" character, then the sole entry in * "pathnames" is a copy of "file". * * - If "file" does not contain a "/" character: * * Let "system path" be defined as the value of the PATH environment * variable, if the latter exists, and as the value output by confstr() for * _CS_PATH otherwise. Per the ENOENT specifications above, "system path" is * a non-empty string. Let "system path" further be of the form * * [n = 1] * * or * * ::...: [n >= 2] * * where for each 0 <= i < n, does not contain the ":" * character. In the (n = 1) case, is never empty (see ENOENT * above), while in the (n >= 2) case, any individual may or may * not be empty. * * The "pathnames" string_vector member has n elements; for each 0 <= i < n, * element i is of the form * * suffix(curdir())file * * where * * curdir(x) := "." if x = "" * curdir(x) := x otherwise * * and * * suffix(x) := x if "x" ends with a "/" * suffix(x) := x "/" otherwise * * This transformation implements the POSIX XBD / PATH environment variable * semantics, creating candidate pathnames for execution by * nbd_internal_fork_safe_execvpe(). nbd_internal_fork_safe_execvpe() will * iterate over the candidate pathnames with execve() until execve() * succeeds, or fails with an error that is due to neither pathname * resolution, nor the candidate not being a regular file, nor the candidate * lacking execution permission. * * - The "sh_argv" array member will have at least (num_args + 1) elements * allocated, and none populated. * * (The minimum value of "num_args" is 2 -- see EINVAL above. According to * POSIX, "[t]he argument /arg0/ should point to a filename string that is * associated with the process being started by one of the /exec/ functions", * plus "num_args" includes the null pointer that terminates the argument * list.) * * This allocation is made in anticipation of execve() failing for a * particular candidate inside nbd_internal_fork_safe_execvpe() with ENOEXEC * ("[t]he new process image file has the appropriate access permission but * has an unrecognized format"). While that failure terminates the iteration, * the failed call * * execve (pathnames[i], * { argv[0], argv[1], ..., NULL }, // (num_args >= 2) elements * { envp[0], envp[1], ..., NULL }) * * must be repeated as * * execve (, * { argv[0], pathnames[i], // ((num_args + 1) >= 3) argv[1], ..., NULL }, // elements * { envp[0], envp[1], ..., NULL }) * * for emulating execvp(). The allocation in the "sh_argv" member makes it * possible just to *link* the original "argv" elements and the "pathnames[i]" * candidate into the right positions. * * (POSIX leaves the shell pathname unspecified; "/bin/sh" should be good * enough.) * * The shell *binary* will see itself being executed under the name "argv[0]", * will receive "pathnames[i]" as the pathname of the shell *script* to read * and interpret ("command_file" in POSIX terminology), will expose * "pathnames[i]" as the positional parameter $0 to the script, and will * forward "argv[1]" and the rest to the script as positional parameters $1 * and onward. */ int nbd_internal_execvpe_init (struct execvpe *ctx, const char *file, size_t num_args) { int rc; char *sys_path; string_vector pathnames; char *pathname; size_t num_sh_args; char **sh_argv; size_t sh_argv_bytes; rc = -1; if (file[0] == '\0') { errno = ENOENT; return rc; } /* First phase. */ sys_path = NULL; pathnames = (string_vector)empty_vector; if (strchr (file, '/') == NULL) { size_t file_len; const char *sys_path_element, *scan; bool finish; sys_path = get_path (); if (sys_path == NULL) return rc; if (sys_path[0] == '\0') { errno = ENOENT; goto free_sys_path; } pathname = NULL; file_len = strlen (file); sys_path_element = sys_path; scan = sys_path; do { assert (sys_path_element <= scan); finish = (*scan == '\0'); if (finish || *scan == ':') { const char *sys_path_copy_start; size_t sys_path_copy_size; size_t sep_copy_size; size_t pathname_size; char *p; if (scan == sys_path_element) { sys_path_copy_start = "."; sys_path_copy_size = 1; } else { sys_path_copy_start = sys_path_element; sys_path_copy_size = scan - sys_path_element; } assert (sys_path_copy_size >= 1); sep_copy_size = (sys_path_copy_start[sys_path_copy_size - 1] != '/'); if (ADD_OVERFLOW (sys_path_copy_size, sep_copy_size, &pathname_size) || ADD_OVERFLOW (pathname_size, file_len, &pathname_size) || ADD_OVERFLOW (pathname_size, 1u, &pathname_size)) { errno = EOVERFLOW; goto empty_pathnames; } pathname = malloc (pathname_size); if (pathname == NULL) goto empty_pathnames; p = pathname; memcpy (p, sys_path_copy_start, sys_path_copy_size); p += sys_path_copy_size; memcpy (p, "/", sep_copy_size); p += sep_copy_size; memcpy (p, file, file_len); p += file_len; *p++ = '\0'; if (string_vector_append (&pathnames, pathname) == -1) goto empty_pathnames; /* Ownership transferred. */ pathname = NULL; sys_path_element = scan + 1; } ++scan; } while (!finish); } else { pathname = strdup (file); if (pathname == NULL) return rc; if (string_vector_append (&pathnames, pathname) == -1) goto empty_pathnames; /* Ownership transferred. */ pathname = NULL; } /* Second phase. */ if (num_args < 2) { errno = EINVAL; goto empty_pathnames; } if (ADD_OVERFLOW (num_args, 1u, &num_sh_args) || MUL_OVERFLOW (num_sh_args, sizeof *sh_argv, &sh_argv_bytes)) { errno = EOVERFLOW; goto empty_pathnames; } sh_argv = malloc (sh_argv_bytes); if (sh_argv == NULL) goto empty_pathnames; /* Commit. */ ctx->pathnames = pathnames; ctx->sh_argv = sh_argv; ctx->num_sh_args = num_sh_args; rc = 0; /* Fall through, for freeing temporaries. */ empty_pathnames: if (rc == -1) { free (pathname); string_vector_empty (&pathnames); } free_sys_path: free (sys_path); return rc; } void nbd_internal_execvpe_uninit (struct execvpe *ctx) { free (ctx->sh_argv); ctx->num_sh_args = 0; string_vector_empty (&ctx->pathnames); } int nbd_internal_fork_safe_execvpe (struct execvpe *ctx, const string_vector *argv, char * const *envp) { size_t pathname_idx; NBD_INTERNAL_FORK_SAFE_ASSERT (ctx->pathnames.len > 0); pathname_idx = 0; do { (void)execve (ctx->pathnames.ptr[pathname_idx], argv->ptr, envp); if (errno != EACCES && errno != ELOOP && errno != ENAMETOOLONG && errno != ENOENT && errno != ENOTDIR) break; ++pathname_idx; } while (pathname_idx < ctx->pathnames.len); if (errno == ENOEXEC) { char **sh_argp; size_t argv_idx; NBD_INTERNAL_FORK_SAFE_ASSERT (ctx->num_sh_args >= argv->len); NBD_INTERNAL_FORK_SAFE_ASSERT (ctx->num_sh_args - argv->len == 1); sh_argp = ctx->sh_argv; *sh_argp++ = argv->ptr[0]; *sh_argp++ = ctx->pathnames.ptr[pathname_idx]; for (argv_idx = 1; argv_idx < argv->len; ++argv_idx) *sh_argp++ = argv->ptr[argv_idx]; (void)execve ("/bin/sh", ctx->sh_argv, envp); } return -1; } libnbd-1.22.2/lib/test-fork-safe-assert.c0000644000175000017500000000336014525371754013573 /* nbd client library in userspace * Copyright Red Hat * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #ifdef HAVE_PRCTL #include #endif #include #undef NDEBUG #include "internal.h" /* Define these to verify that NBD_INTERNAL_FORK_SAFE_ASSERT() properly * stringifies the expression passed to it. */ #define TRUE 1 #define FALSE 0 int main (void) { struct rlimit rlimit; /* The standard approach for disabling core dumping. Has no effect on Linux if * /proc/sys/kernel/core_pattern starts with a pipe (|) symbol. */ if (getrlimit (RLIMIT_CORE, &rlimit) == -1) { perror ("getrlimit"); return EXIT_FAILURE; } rlimit.rlim_cur = 0; if (setrlimit (RLIMIT_CORE, &rlimit) == -1) { perror ("setrlimit"); return EXIT_FAILURE; } #ifdef HAVE_PRCTL if (prctl (PR_SET_DUMPABLE, 0, 0, 0, 0) == -1) { perror ("prctl"); return EXIT_FAILURE; } #endif NBD_INTERNAL_FORK_SAFE_ASSERT (TRUE); NBD_INTERNAL_FORK_SAFE_ASSERT (FALSE); return 0; } libnbd-1.22.2/lib/test-fork-safe-execvpe.c0000644000175000017500000000610114525371754013725 /* nbd client library in userspace * Copyright (C) 2013-2023 Red Hat Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include "internal.h" extern char **environ; /* This is a perror() replacement that makes the error message more * machine-readable, for a select few error numbers. Do not use it as a general * error() replacement, only upon nbd_internal_execvpe_init() and * nbd_internal_fork_safe_execvpe() failure. */ static void xperror (const char *s) { const char *err; if (s != NULL && *s != '\0') (void)fprintf (stderr, "%s: ", s); switch (errno) { case EACCES: err = "EACCES"; break; case ELOOP: err = "ELOOP"; break; case ENOENT: err = "ENOENT"; break; case ENOTDIR: err = "ENOTDIR"; break; default: err = strerror (errno); } (void)fprintf (stderr, "%s\n", err); } int main (int argc, char **argv) { struct execvpe ctx; const char *prog_file; string_vector prog_argv; size_t i; if (argc < 3) { fprintf (stderr, "%1$s: usage: %1$s program-to-exec argv0 ...\n", argv[0]); return EXIT_FAILURE; } prog_file = argv[1]; /* For the argv of the program to execute, we need to drop our argv[0] (= our * own name) and argv[1] (= the program we need to execute), and to tack on a * terminating null pointer. Note that "argc" does not include the terminating * NULL. */ prog_argv = (string_vector)empty_vector; if (string_vector_reserve (&prog_argv, argc - 2 + 1) == -1) { perror ("string_vector_reserve"); return EXIT_FAILURE; } for (i = 2; i < argc; ++i) (void)string_vector_append (&prog_argv, argv[i]); (void)string_vector_append (&prog_argv, NULL); if (nbd_internal_execvpe_init (&ctx, prog_file, prog_argv.len) == -1) { xperror ("nbd_internal_execvpe_init"); goto reset_prog_argv; } /* Print out the generated candidates. */ for (i = 0; i < ctx.pathnames.len; ++i) (void)fprintf (stdout, "%s\n", ctx.pathnames.ptr[i]); if (fflush (stdout) == EOF) { perror ("fflush"); goto uninit_execvpe; } (void)nbd_internal_fork_safe_execvpe (&ctx, &prog_argv, environ); xperror ("nbd_internal_fork_safe_execvpe"); /* fall through */ uninit_execvpe: nbd_internal_execvpe_uninit (&ctx); reset_prog_argv: string_vector_reset (&prog_argv); return EXIT_FAILURE; } libnbd-1.22.2/lib/libnbd.syms0000444000175000017500000001307114706511425011433 # NBD client library in userspace # WARNING: THIS FILE IS GENERATED FROM # generator/generator # ANY CHANGES YOU MAKE TO THIS FILE WILL BE LOST. # # Copyright Red Hat # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA # Public symbols in libnbd 1.0: LIBNBD_1.0 { global: nbd_create; nbd_close; nbd_get_errno; nbd_get_error; nbd_set_debug; nbd_get_debug; nbd_set_debug_callback; nbd_clear_debug_callback; nbd_set_handle_name; nbd_get_handle_name; nbd_set_export_name; nbd_get_export_name; nbd_set_tls; nbd_get_tls; nbd_set_tls_certificates; nbd_set_tls_verify_peer; nbd_get_tls_verify_peer; nbd_set_tls_username; nbd_get_tls_username; nbd_set_tls_psk_file; nbd_add_meta_context; nbd_connect_uri; nbd_connect_unix; nbd_connect_tcp; nbd_connect_command; nbd_is_read_only; nbd_can_flush; nbd_can_fua; nbd_is_rotational; nbd_can_trim; nbd_can_zero; nbd_can_df; nbd_can_multi_conn; nbd_can_cache; nbd_can_meta_context; nbd_get_size; nbd_pread; nbd_pread_structured; nbd_pwrite; nbd_shutdown; nbd_flush; nbd_trim; nbd_cache; nbd_zero; nbd_block_status; nbd_poll; nbd_aio_connect; nbd_aio_connect_uri; nbd_aio_connect_unix; nbd_aio_connect_tcp; nbd_aio_connect_command; nbd_aio_pread; nbd_aio_pread_structured; nbd_aio_pwrite; nbd_aio_disconnect; nbd_aio_flush; nbd_aio_trim; nbd_aio_cache; nbd_aio_zero; nbd_aio_block_status; nbd_aio_get_fd; nbd_aio_get_direction; nbd_aio_notify_read; nbd_aio_notify_write; nbd_aio_is_created; nbd_aio_is_connecting; nbd_aio_is_ready; nbd_aio_is_processing; nbd_aio_is_dead; nbd_aio_is_closed; nbd_aio_command_completed; nbd_aio_peek_command_completed; nbd_aio_in_flight; nbd_connection_state; nbd_get_package_name; nbd_get_version; nbd_kill_subprocess; nbd_supports_tls; nbd_supports_uri; # Everything else is hidden. local: *; }; # Public symbols in libnbd 1.2: LIBNBD_1.2 { global: nbd_get_tls_negotiated; nbd_set_request_structured_replies; nbd_get_request_structured_replies; nbd_get_structured_replies_negotiated; nbd_set_handshake_flags; nbd_get_handshake_flags; nbd_set_uri_allow_transports; nbd_set_uri_allow_tls; nbd_set_uri_allow_local_file; nbd_connect_vsock; nbd_connect_socket; nbd_connect_systemd_socket_activation; nbd_can_fast_zero; nbd_get_protocol; nbd_aio_connect_vsock; nbd_aio_connect_socket; nbd_aio_connect_systemd_socket_activation; } LIBNBD_1.0; # Public symbols in libnbd 1.4: LIBNBD_1.4 { global: nbd_set_full_info; nbd_get_full_info; nbd_get_canonical_export_name; nbd_get_export_description; nbd_set_opt_mode; nbd_get_opt_mode; nbd_opt_go; nbd_opt_abort; nbd_opt_list; nbd_opt_info; nbd_get_block_size; nbd_aio_opt_go; nbd_aio_opt_abort; nbd_aio_opt_list; nbd_aio_opt_info; nbd_aio_is_negotiating; } LIBNBD_1.2; # Public symbols in libnbd 1.6: LIBNBD_1.6 { global: nbd_set_strict_mode; nbd_get_strict_mode; nbd_opt_list_meta_context; nbd_get_nr_meta_contexts; nbd_get_meta_context; nbd_clear_meta_contexts; nbd_aio_opt_list_meta_context; } LIBNBD_1.4; # Public symbols in libnbd 1.8: LIBNBD_1.8 { global: nbd_set_private_data; nbd_get_private_data; nbd_get_uri; } LIBNBD_1.6; # Public symbols in libnbd 1.12: LIBNBD_1.12 { global: nbd_set_request_block_size; nbd_get_request_block_size; nbd_set_pread_initialize; nbd_get_pread_initialize; } LIBNBD_1.8; # Public symbols in libnbd 1.16: LIBNBD_1.16 { global: nbd_stats_bytes_sent; nbd_stats_chunks_sent; nbd_stats_bytes_received; nbd_stats_chunks_received; nbd_set_request_meta_context; nbd_get_request_meta_context; nbd_opt_starttls; nbd_opt_structured_reply; nbd_opt_list_meta_context_queries; nbd_opt_set_meta_context; nbd_opt_set_meta_context_queries; nbd_set_socket_activation_name; nbd_get_socket_activation_name; nbd_poll2; nbd_aio_opt_starttls; nbd_aio_opt_structured_reply; nbd_aio_opt_list_meta_context_queries; nbd_aio_opt_set_meta_context; nbd_aio_opt_set_meta_context_queries; nbd_supports_vsock; } LIBNBD_1.12; # Public symbols in libnbd 1.18: LIBNBD_1.18 { global: nbd_set_request_extended_headers; nbd_get_request_extended_headers; nbd_get_extended_headers_negotiated; nbd_opt_extended_headers; nbd_can_block_status_payload; nbd_block_status_64; nbd_block_status_filter; nbd_aio_opt_extended_headers; nbd_aio_block_status_64; nbd_aio_block_status_filter; } LIBNBD_1.16; # Public symbols in libnbd 1.22: LIBNBD_1.22 { global: nbd_set_tls_hostname; nbd_get_tls_hostname; nbd_get_subprocess_pid; nbd_is_uri; } LIBNBD_1.18; libnbd-1.22.2/lib/test-fork-safe-assert.sh0000755000175000017500000000224214525371754013764 #!/usr/bin/env bash # nbd client library in userspace # Copyright Red Hat # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA set +e ./test-fork-safe-assert 2>test-fork-safe-assert.err exit_status=$? set -e test $exit_status -gt 128 signal_name=$(kill -l $exit_status) test "x$signal_name" = xABRT || test "x$signal_name" = xSIGABRT ptrn="^test-fork-safe-assert\\.c:[0-9]+: main: Assertion \`FALSE' failed\\.\$" grep -E -q -- "$ptrn" test-fork-safe-assert.err grep -v -q "\`TRUE'" test-fork-safe-assert.err libnbd-1.22.2/lib/test-fork-safe-execvpe.sh0000755000175000017500000002515714702423667014132 #!/usr/bin/env bash # nbd client library in userspace # Copyright (C) 2013-2023 Red Hat Inc. # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . ../tests/functions.sh set -e # The "realpath" utility is not in POSIX, but Linux, FreeBSD and # OpenBSD all have it. requires "$REALPATH" / # Fails on macOS with: # ./test-fork-safe-execvpe.sh: line 58: 84314 Killed: 9 PATH=$pathctl "$execvpe" "$@" > out 2> err # 'PATH= /Users/rjones/d/libnbd/lib/test-fork-safe-execvpe bin/f expr 1 + 1' should have succeeded requires_not test "$(uname)" = "Darwin" # Determine the absolute pathname of the execvpe helper binary. bname=$(basename -- "$0" .sh) dname=$(dirname -- "$0") if ! execvpe=$($REALPATH -- "$dname/$bname"); then # Work around . For example, # Alpine Linux in the libnbd CI uses BusyBox. execvpe=$($REALPATH "$dname/$bname") fi # This is an elaborate way to control the PATH variable around the $execvpe # helper binary as narrowly as possible. # # If $1 is "_", then the $execvpe helper binary is invoked with PATH unset. # Otherwise, the binary is invoked with PATH set to $1. # # $2 and onward are passed to $execvpe; $2 becomes "program-to-exec" for the # helper and $3 becomes argv[0] for the program executed by the helper. # # (Outside of the "run" function below, "run0" should only ever be called for # working around BusyBox. (Alpine Linux in the libnbd CI uses BusyBox.) # BusyBox's utilities "expr", "sh" etc. are just symlinks to the central # "busybox" binary executable, and that executable keys its behavior off the # name under which it is invoked -- that is, $3 here. See # .) # # The command itself (including the PATH setting) is written to "cmd" (for error # reporting purposes only); the standard output and error are saved in "out" and # "err" respectively; the exit status is written to "status". This function # should never fail; if it does, then that's a bug in this unit test script, or # the disk is full etc. run0() { local pathctl=$1 local exit_status shift 1 if test _ = "$pathctl"; then printf 'unset PATH; %s %s\n' "$execvpe" "$*" >cmd set +e ( unset PATH "$execvpe" "$@" >out 2>err ) exit_status=$? set -e else printf 'PATH=%s %s %s\n' "$pathctl" "$execvpe" "$*" >cmd set +e PATH=$pathctl "$execvpe" "$@" >out 2>err exit_status=$? set -e fi printf '%d\n' $exit_status >status } # Does the same as "run0", but $2 becomes *both* "program-to-exec" for the the # $execvpe helper binary *and* argv[0] for the program executed by the helper. run() { local pathctl=$1 local program=$2 shift 1 run0 "$pathctl" "$program" "$@" } # After "run" returns, the following three functions can verify the result. # # Check if the helper binary failed in nbd_internal_execvpe_init(). # # $1 is the error number (a macro name such as ENOENT) that's expected of # nbd_internal_execvpe_init(). init_fail() { local expected_error="nbd_internal_execvpe_init: $1" local cmd=$(< cmd) local err=$(< err) local status=$(< status) if test 0 -eq "$status"; then printf "'%s' should have failed\\n" "$cmd" >&2 return 1 fi if test x"$err" != x"$expected_error"; then printf "'%s' should have failed with '%s', got '%s'\\n" \ "$cmd" "$expected_error" "$err" >&2 return 1 fi } # Check if the helper binary failed in nbd_internal_fork_safe_execvpe(). # # $1 is the output (the list of candidate pathnames) that # nbd_internal_execvpe_init() is expected to produce; with inner # characters replaced with characters, and the last stripped. # # $2 is the error number (a macro name such as ENOENT) that's expected of # nbd_internal_fork_safe_execvpe(). execve_fail() { local expected_output=$1 local expected_error="nbd_internal_fork_safe_execvpe: $2" local cmd=$(< cmd) local out=$(< out) local err=$(< err) local status=$(< status) if test 0 -eq "$status"; then printf "'%s' should have failed\\n" "$cmd" >&2 return 1 fi if test x"$err" != x"$expected_error"; then printf "'%s' should have failed with '%s', got '%s'\\n" \ "$cmd" "$expected_error" "$err" >&2 return 1 fi out=${out//$'\n'/,} if test x"$out" != x"$expected_output"; then printf "'%s' should have output '%s', got '%s'\\n" \ "$cmd" "$expected_output" "$out" >&2 return 1 fi } # Check if the helper binary and the program executed by it succeeded. # # $1 is the output (the list of candidate pathnames) that # nbd_internal_execvpe_init() is expected to produce, followed by any output # expected of the program that's executed by the helper; with inner # characters replaced with characters, and the last stripped. success() { local expected_output=$1 local cmd=$(< cmd) local out=$(< out) local status=$(< status) if test 0 -ne "$status"; then printf "'%s' should have succeeded\\n" "$cmd" >&2 return 1 fi out=${out//$'\n'/,} if test x"$out" != x"$expected_output"; then printf "'%s' should have output '%s', got '%s'\\n" \ "$cmd" "$expected_output" "$out" >&2 return 1 fi } # Create a temporary directory and change the working directory to it. tmpd=$(mktemp -d) cleanup_fn rm -r -- "$tmpd" cd "$tmpd" # If the "file" parameter of execvpe() is an empty string, then we must fail -- # in nbd_internal_execvpe_init() -- regardless of PATH. run _ ""; init_fail ENOENT run "" ""; init_fail ENOENT run . ""; init_fail ENOENT # Create subdirectories for triggering non-fatal internal error conditions of # execvpe(). (Almost) every subdirectory will contain one entry, called "f". # # Create a directory that's empty. mkdir empty # Create a directory with a named pipe (FIFO) in it. mkdir fifo mkfifo fifo/f # Create a directory with a directory in it. mkdir subdir mkdir subdir/f # Create a directory with a non-executable file in it. mkdir nxregf touch nxregf/f # Create a symlink loop. ln -s symlink symlink # Create a directory with a (most likely) binary executable in it. mkdir bin expr_pathname=$(command -p -v expr) cp -- "$expr_pathname" bin/f # Create a directory with an executable shell script that does not contain a # shebang (#!). The script will print $0 and $1, and not depend on PATH for it. mkdir sh printf "command -p printf '%%s %%s\\\\n' \"\$0\" \"\$1\"\\n" >sh/f chmod u+x sh/f # In the tests below, invoke each "f" such that the "file" parameter of # execvpe() contain a character. # # Therefore, PATH does not matter. Set it to the empty string. (Which in this # implementation would cause nbd_internal_execvpe_init() to fail with ENOENT, if # the "file" parameter didn't contain a .) run "" empty/f; execve_fail empty/f ENOENT run "" fifo/f; execve_fail fifo/f EACCES run "" subdir/f; execve_fail subdir/f EACCES run "" nxregf/f; execve_fail nxregf/f EACCES run "" nxregf/f/; execve_fail nxregf/f/ ENOTDIR run "" symlink/f; execve_fail symlink/f ELOOP # This runs "expr 1 + 1". run0 "" bin/f expr 1 + 1; success bin/f,2 # This triggers the ENOEXEC branch in nbd_internal_fork_safe_execvpe(). # nbd_internal_fork_safe_execvpe() will first try # # execve("sh/f", {"sh/f", "arg1", NULL}, envp) # # hitting ENOEXEC. Then it will successfully call # # execve("/bin/sh", {"sh/f", "sh/f", "arg1", NULL}, envp) # # The shell script will get "sh/f" for $0 and "arg1" for $1, and print those # out. run0 "" sh/f sh arg1; success sh/f,"sh/f arg1" # In the tests below, the "file" parameter of execvpe() will not contain a # character. # # Show that PATH matters that way -- first, trigger an ENOENT in # nbd_internal_execvpe_init() by setting PATH to the empty string. run "" expr 1 + 1; init_fail ENOENT # Fall back to confstr(_CS_PATH) in nbd_internal_execvpe_init(), by unsetting # PATH. Verify the generated candidates by invoking "getconf PATH" here, and # appending "/expr" to each prefix. expected_output=$( path=$(command -p getconf PATH) IFS=: for p in $path; do printf '%s/%s\n' $p expr done command -p expr 1 + 1 ) run _ expr 1 + 1; success "${expected_output//$'\n'/,}" # Continue with tests where the "file" parameter of execvpe() does not contain a # character, but now set PATH to explicit prefix lists. # # Show that, if the last candidate fails execve() with an error number that # would not be fatal otherwise, we do get that error number. run empty:fifo:subdir:nxregf:symlink f execve_fail empty/f,fifo/f,subdir/f,nxregf/f,symlink/f ELOOP # Put a single prefix in PATH, such that it leads to a successful execution. # This exercises two things at the same time: (a) that # nbd_internal_execvpe_init() produces *one* candidate (i.e., that no is # seen), and (b) that nbd_internal_fork_safe_execvpe() succeeds for the *last* # candidate. Repeat the test with "expr" (called "f" under "bin") and the shell # script (called "f" under "sh", triggering the ENOEXEC branch). run0 bin f expr 1 + 1; success bin/f,2 run0 sh f sh arg1; success sh/f,"sh/f arg1" # Demonstrate that the order of candidates matters. The first invocation finds # "expr" (called "f" under "bin"), the second invocation finds the shell script # under "sh" (triggering the ENOEXEC branch). run0 empty:bin:sh f expr 1 + 1; success empty/f,bin/f,sh/f,2 run0 empty:sh:bin f sh arg1; success empty/f,sh/f,bin/f,"sh/f arg1" # Check the expansion of zero-length prefixes in PATH to ".", plus the # (non-)insertion of the "/" separator. run a/: f; execve_fail a/f,./f ENOENT run :a/ f; execve_fail ./f,a/f ENOENT run : f; execve_fail ./f,./f ENOENT pushd bin run0 : f expr 1 + 1; success ./f,./f,2 popd run :a/:::b/: f; execve_fail ./f,a/f,./f,./f,b/f,./f ENOENT libnbd-1.22.2/m4/0000755000175000017500000000000015001726567007122 5libnbd-1.22.2/m4/ac_c_compile_flags.m40000644000175000017500000000302014525371754013054 # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # Originally from: # https://github.com/WinterMute/prboom/blob/master/autotools/ac_c_compile_flags.m4 # RWMJ: I adapted it to add the extra parameters and fixed a few bugs. # AC_C_COMPILE_FLAGS(VAR, FLAGS TO TEST, [CFLAGS_FOR_TEST = $CFLAGS]) # ---------------------------------------------------------- # Check if compiler flag $2 is supported, if so add it to $1. # Extra CFLAGS for the test can be passed in $3. AC_DEFUN([AC_C_COMPILE_FLAGS],[ CFLAGS_FOR_TEST="m4_default([$3], [$CFLAGS])" for flag in $2 do AC_MSG_CHECKING(whether the compiler supports $flag) SAVED_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS_FOR_TEST $flag" AC_COMPILE_IFELSE([AC_LANG_PROGRAM() ],[ AC_MSG_RESULT(yes) $1="${$1} $flag" ],[AC_MSG_RESULT(no)]) CFLAGS="$SAVED_CFLAGS" done ]) libnbd-1.22.2/m4/ax_pthread.m40000644000175000017500000005403414525371754011435 # =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_pthread.html # =========================================================================== # # SYNOPSIS # # AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) # # DESCRIPTION # # This macro figures out how to build C programs using POSIX threads. It # sets the PTHREAD_LIBS output variable to the threads library and linker # flags, and the PTHREAD_CFLAGS output variable to any special C compiler # flags that are needed. (The user can also force certain compiler # flags/libs to be tested by setting these environment variables.) # # Also sets PTHREAD_CC and PTHREAD_CXX to any special C compiler that is # needed for multi-threaded programs (defaults to the value of CC # respectively CXX otherwise). (This is necessary on e.g. AIX to use the # special cc_r/CC_r compiler alias.) # # NOTE: You are assumed to not only compile your program with these flags, # but also to link with them as well. For example, you might link with # $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS # $PTHREAD_CXX $CXXFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS # # If you are only building threaded programs, you may wish to use these # variables in your default LIBS, CFLAGS, and CC: # # LIBS="$PTHREAD_LIBS $LIBS" # CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS" # CC="$PTHREAD_CC" # CXX="$PTHREAD_CXX" # # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant # has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to # that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). # # Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the # PTHREAD_PRIO_INHERIT symbol is defined when compiling with # PTHREAD_CFLAGS. # # ACTION-IF-FOUND is a list of shell commands to run if a threads library # is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it # is not found. If ACTION-IF-FOUND is not specified, the default action # will define HAVE_PTHREAD. # # Please let the authors know if this macro fails on any platform, or if # you have any other suggestions or comments. This macro was based on work # by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help # from M. Frigo), as well as ac_pthread and hb_pthread macros posted by # Alejandro Forero Cuervo to the autoconf macro repository. We are also # grateful for the helpful feedback of numerous users. # # Updated for Autoconf 2.68 by Daniel Richard G. # # LICENSE # # Copyright (c) 2008 Steven G. Johnson # Copyright (c) 2011 Daniel Richard G. # Copyright (c) 2019 Marc Stevens # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation, either version 3 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 31 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) AC_DEFUN([AX_PTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_PROG_SED]) AC_LANG_PUSH([C]) ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h # requires special compiler flags (e.g. on Tru64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then ax_pthread_save_CC="$CC" ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"]) AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"]) CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS]) AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes]) AC_MSG_RESULT([$ax_pthread_ok]) if test "x$ax_pthread_ok" = "xno"; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi CC="$ax_pthread_save_CC" CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" fi # We must check for the threads library under a number of different # names; the ordering is very important because some systems # (e.g. DEC) have both -lpthread and -lpthreads, where one of the # libraries is broken (non-POSIX). # Create a list of thread flags to try. Items with a "," contain both # C compiler flags (before ",") and linker flags (after ","). Other items # starting with a "-" are C compiler flags, and remaining items are # library names, except for "none" which indicates that we try without # any flags at all, and "pthread-config" which is a program returning # the flags for the Pth emulation library. ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" # The ordering *is* (sometimes) important. Some notes on the # individual items follow: # pthreads: AIX (must check this before -lpthread) # none: in case threads are in libc; should be tried before -Kthread and # other compiler flags to prevent continual compiler warnings # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) # -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64 # (Note: HP C rejects this with "bad form for `-t' option") # -pthreads: Solaris/gcc (Note: HP C also rejects) # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it # doesn't hurt to check since this sometimes defines pthreads and # -D_REENTRANT too), HP C (must be checked before -lpthread, which # is present but should not be used directly; and before -mthreads, # because the compiler interprets this as "-mt" + "-hreads") # -mthreads: Mingw32/gcc, Lynx/gcc # pthread: Linux, etcetera # --thread-safe: KAI C++ # pthread-config: use pthread-config program (for GNU Pth library) case $host_os in freebsd*) # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) ax_pthread_flags="-kthread lthread $ax_pthread_flags" ;; hpux*) # From the cc(1) man page: "[-mt] Sets various -D flags to enable # multi-threading and also sets -lpthread." ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags" ;; openedition*) # IBM z/OS requires a feature-test macro to be defined in order to # enable POSIX threads at all, so give the user a hint if this is # not set. (We don't define these ourselves, as they can affect # other portions of the system API in unpredictable ways.) AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING], [ # if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS) AX_PTHREAD_ZOS_MISSING # endif ], [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])]) ;; solaris*) # On Solaris (at least, for some versions), libc contains stubbed # (non-functional) versions of the pthreads routines, so link-based # tests will erroneously succeed. (N.B.: The stubs are missing # pthread_cleanup_push, or rather a function called by this macro, # so we could check for that, but who knows whether they'll stub # that too in a future libc.) So we'll check first for the # standard Solaris way of linking pthreads (-mt -lpthread). ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags" ;; esac # Are we compiling with Clang? AC_CACHE_CHECK([whether $CC is Clang], [ax_cv_PTHREAD_CLANG], [ax_cv_PTHREAD_CLANG=no # Note that Autoconf sets GCC=yes for Clang as well as GCC if test "x$GCC" = "xyes"; then AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG], [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ # if defined(__clang__) && defined(__llvm__) AX_PTHREAD_CC_IS_CLANG # endif ], [ax_cv_PTHREAD_CLANG=yes]) fi ]) ax_pthread_clang="$ax_cv_PTHREAD_CLANG" # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) # Note that for GCC and Clang -pthread generally implies -lpthread, # except when -nostdlib is passed. # This is problematic using libtool to build C++ shared libraries with pthread: # [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460 # [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333 # [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555 # To solve this, first try -pthread together with -lpthread for GCC AS_IF([test "x$GCC" = "xyes"], [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"]) # Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first AS_IF([test "x$ax_pthread_clang" = "xyes"], [ax_pthread_flags="-pthread,-lpthread -pthread"]) # The presence of a feature test macro requesting re-entrant function # definitions is, on some systems, a strong hint that pthreads support is # correctly enabled case $host_os in darwin* | hpux* | linux* | osf* | solaris*) ax_pthread_check_macro="_REENTRANT" ;; aix*) ax_pthread_check_macro="_THREAD_SAFE" ;; *) ax_pthread_check_macro="--" ;; esac AS_IF([test "x$ax_pthread_check_macro" = "x--"], [ax_pthread_check_cond=0], [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"]) if test "x$ax_pthread_ok" = "xno"; then for ax_pthread_try_flag in $ax_pthread_flags; do case $ax_pthread_try_flag in none) AC_MSG_CHECKING([whether pthreads work without any flags]) ;; *,*) PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"` PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"` AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"]) ;; -*) AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag]) PTHREAD_CFLAGS="$ax_pthread_try_flag" ;; pthread-config) AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no]) AS_IF([test "x$ax_pthread_config" = "xno"], [continue]) PTHREAD_CFLAGS="`pthread-config --cflags`" PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" ;; *) AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag]) PTHREAD_LIBS="-l$ax_pthread_try_flag" ;; esac ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we # need a special flag -Kthread to make this header compile.) # We check for pthread_join because it is in -lpthread on IRIX # while pthread_create is in libc. We check for pthread_attr_init # due to DEC craziness with -lpthreads. We check for # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. AC_LINK_IFELSE([AC_LANG_PROGRAM([#include # if $ax_pthread_check_cond # error "$ax_pthread_check_macro must be defined" # endif static void *some_global = NULL; static void routine(void *a) { /* To avoid any unused-parameter or unused-but-set-parameter warning. */ some_global = a; } static void *start_routine(void *a) { return a; }], [pthread_t th; pthread_attr_t attr; pthread_create(&th, 0, start_routine, 0); pthread_join(th, 0); pthread_attr_init(&attr); pthread_cleanup_push(routine, 0); pthread_cleanup_pop(0) /* ; */])], [ax_pthread_ok=yes], []) CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" AC_MSG_RESULT([$ax_pthread_ok]) AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) PTHREAD_LIBS="" PTHREAD_CFLAGS="" done fi # Clang needs special handling, because older versions handle the -pthread # option in a rather... idiosyncratic way if test "x$ax_pthread_clang" = "xyes"; then # Clang takes -pthread; it has never supported any other flag # (Note 1: This will need to be revisited if a system that Clang # supports has POSIX threads in a separate library. This tends not # to be the way of modern systems, but it's conceivable.) # (Note 2: On some systems, notably Darwin, -pthread is not needed # to get POSIX threads support; the API is always present and # active. We could reasonably leave PTHREAD_CFLAGS empty. But # -pthread does define _REENTRANT, and while the Darwin headers # ignore this macro, third-party headers might not.) # However, older versions of Clang make a point of warning the user # that, in an invocation where only linking and no compilation is # taking place, the -pthread option has no effect ("argument unused # during compilation"). They expect -pthread to be passed in only # when source code is being compiled. # # Problem is, this is at odds with the way Automake and most other # C build frameworks function, which is that the same flags used in # compilation (CFLAGS) are also used in linking. Many systems # supported by AX_PTHREAD require exactly this for POSIX threads # support, and in fact it is often not straightforward to specify a # flag that is used only in the compilation phase and not in # linking. Such a scenario is extremely rare in practice. # # Even though use of the -pthread flag in linking would only print # a warning, this can be a nuisance for well-run software projects # that build with -Werror. So if the active version of Clang has # this misfeature, we search for an option to squash it. AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread], [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG], [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown # Create an alternate version of $ac_link that compiles and # links in two steps (.c -> .o, .o -> exe) instead of one # (.c -> exe), because the warning occurs only in the second # step ax_pthread_save_ac_link="$ac_link" ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g' ax_pthread_link_step=`AS_ECHO(["$ac_link"]) | sed "$ax_pthread_sed"` ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)" ax_pthread_save_CFLAGS="$CFLAGS" for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do AS_IF([test "x$ax_pthread_try" = "xunknown"], [break]) CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS" ac_link="$ax_pthread_save_ac_link" AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])], [ac_link="$ax_pthread_2step_ac_link" AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])], [break]) ]) done ac_link="$ax_pthread_save_ac_link" CFLAGS="$ax_pthread_save_CFLAGS" AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no]) ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try" ]) case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in no | unknown) ;; *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;; esac fi # $ax_pthread_clang = yes # Various other checks: if test "x$ax_pthread_ok" = "xyes"; then ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. AC_CACHE_CHECK([for joinable pthread attribute], [ax_cv_PTHREAD_JOINABLE_ATTR], [ax_cv_PTHREAD_JOINABLE_ATTR=unknown for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], [int attr = $ax_pthread_attr; return attr /* ; */])], [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break], []) done ]) AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \ test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \ test "x$ax_pthread_joinable_attr_defined" != "xyes"], [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$ax_cv_PTHREAD_JOINABLE_ATTR], [Define to necessary symbol if this constant uses a non-standard name on your system.]) ax_pthread_joinable_attr_defined=yes ]) AC_CACHE_CHECK([whether more special flags are required for pthreads], [ax_cv_PTHREAD_SPECIAL_FLAGS], [ax_cv_PTHREAD_SPECIAL_FLAGS=no case $host_os in solaris*) ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS" ;; esac ]) AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \ test "x$ax_pthread_special_flags_added" != "xyes"], [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS" ax_pthread_special_flags_added=yes]) AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], [ax_cv_PTHREAD_PRIO_INHERIT], [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[int i = PTHREAD_PRIO_INHERIT; return i;]])], [ax_cv_PTHREAD_PRIO_INHERIT=yes], [ax_cv_PTHREAD_PRIO_INHERIT=no]) ]) AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \ test "x$ax_pthread_prio_inherit_defined" != "xyes"], [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.]) ax_pthread_prio_inherit_defined=yes ]) CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" # More AIX lossage: compile with *_r variant if test "x$GCC" != "xyes"; then case $host_os in aix*) AS_CASE(["x/$CC"], [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6], [#handle absolute path differently from PATH based program lookup AS_CASE(["x$CC"], [x/*], [ AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"]) AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])]) ], [ AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC]) AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])]) ] ) ]) ;; esac fi fi test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX" AC_SUBST([PTHREAD_LIBS]) AC_SUBST([PTHREAD_CFLAGS]) AC_SUBST([PTHREAD_CC]) AC_SUBST([PTHREAD_CXX]) # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: if test "x$ax_pthread_ok" = "xyes"; then ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1]) : else ax_pthread_ok=no $2 fi AC_LANG_POP ])dnl AX_PTHREAD libnbd-1.22.2/m4/libtool.m40000644000175000017500000113752014751426461010762 # libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- # # Copyright (C) 1996-2001, 2003-2019, 2021-2024 Free Software # Foundation, Inc. # Written by Gordon Matzigkeit, 1996 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. m4_define([_LT_COPYING], [dnl # Copyright (C) 2024 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program or library that is built # using GNU Libtool, you may include this file under the same # distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . ]) # serial 63 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.64])dnl We use AC_PATH_PROGS_FEATURE_CHECK AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. 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cat conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi fi $RM conftest* ]) if test yes = "[$]$2"; then m4_if([$5], , :, [$5]) else m4_if([$6], , :, [$6]) fi ])# _LT_COMPILER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) # _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------- # Check whether the given linker option works AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $3" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&AS_MESSAGE_LOG_FD $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi else $2=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ]) if test yes = "[$]$2"; then m4_if([$4], , :, [$4]) else m4_if([$5], , :, [$5]) fi ])# _LT_LINKER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) # LT_CMD_MAX_LEN #--------------- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl # find the maximum length of command line arguments AC_MSG_CHECKING([the maximum length of command line arguments]) AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu* | ironclad*) # Under GNU Hurd and Ironclad, this test is not required because there # is no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | windows* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord (void) __attribute__((visibility("default"))); #endif int fnord (void) { return 42; } int main (void) { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | windows* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" AC_CACHE_CHECK([whether a statically linked program can dlopen itself], lt_cv_dlopen_self_static, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) ]) fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi _LT_DECL([dlopen_support], [enable_dlopen], [0], [Whether dlopen is supported]) _LT_DECL([dlopen_self], [enable_dlopen_self], [0], [Whether dlopen of programs is supported]) _LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], [Whether dlopen of statically linked programs is supported]) ])# LT_SYS_DLOPEN_SELF # Old name: AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) # _LT_COMPILER_C_O([TAGNAME]) # --------------------------- # Check to see if options -c and -o are simultaneously supported by compiler. # This macro does not hard code the compiler like AC_PROG_CC_C_O. m4_defun([_LT_COMPILER_C_O], [m4_require([_LT_DECL_SED])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes fi fi chmod u+w . 2>&AS_MESSAGE_LOG_FD $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* ]) _LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], [Does compiler simultaneously support -c and -o options?]) ])# _LT_COMPILER_C_O # _LT_COMPILER_FILE_LOCKS([TAGNAME]) # ---------------------------------- # Check to see if we can do hard links to lock some files if needed m4_defun([_LT_COMPILER_FILE_LOCKS], [m4_require([_LT_ENABLE_LOCK])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl _LT_COMPILER_C_O([$1]) hard_links=nottested if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test no = "$hard_links"; then AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi _LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) ])# _LT_COMPILER_FILE_LOCKS # _LT_CHECK_OBJDIR # ---------------- m4_defun([_LT_CHECK_OBJDIR], [AC_CACHE_CHECK([for objdir], [lt_cv_objdir], [rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null]) objdir=$lt_cv_objdir _LT_DECL([], [objdir], [0], [The name of the directory that contains temporary libtool files])dnl m4_pattern_allow([LT_OBJDIR])dnl AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/", [Define to the sub-directory where libtool stores uninstalled libraries.]) ])# _LT_CHECK_OBJDIR # _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) # -------------------------------------- # Check hardcoding attributes. m4_defun([_LT_LINKER_HARDCODE_LIBPATH], [AC_MSG_CHECKING([how to hardcode library paths into programs]) _LT_TAGVAR(hardcode_action, $1)= if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || test -n "$_LT_TAGVAR(runpath_var, $1)" || test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then # We can hardcode non-existent directories. if test no != "$_LT_TAGVAR(hardcode_direct, $1)" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" && test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then # Linking always hardcodes the temporary library directory. _LT_TAGVAR(hardcode_action, $1)=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. _LT_TAGVAR(hardcode_action, $1)=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. _LT_TAGVAR(hardcode_action, $1)=unsupported fi AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) if test relink = "$_LT_TAGVAR(hardcode_action, $1)" || test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; 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AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | windows* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BCDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw* | windows*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(void){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | windows* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | windows* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly* | midnightbsd*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *-mlibc) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; serenity*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | windows* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | windows* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *flang* | ftn | f18* | f95*) # Flang compiler. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *-mlibc) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; serenity*) ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; esac], [_LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) fi _LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], [Additional compiler flags for building library objects]) _LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], [How to pass a linker flag through the compiler]) # # Check to make sure the static flag actually works. # wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), $lt_tmp_static_flag, [], [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) _LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], [Compiler flag to prevent dynamic linking]) ])# _LT_COMPILER_PIC # _LT_LINKER_SHLIBS([TAGNAME]) # ---------------------------- # See if the linker supports building shared libraries. m4_defun([_LT_LINKER_SHLIBS], [AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl m4_require([_LT_PATH_MANIFEST_TOOL])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; 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openbsd*) if test -f /usr/libexec/ld.so; then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; serenity*) ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(ld_shlibs, $1)=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' ;; esac fi fi ]) AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no _LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld _LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl _LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl _LT_DECL([], [extract_expsyms_cmds], [2], [The commands to extract the exported symbol list from a shared archive]) # # Do we need to explicitly link libc? # case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in x|xyes) # Assume -lc should be added _LT_TAGVAR(archive_cmds_need_lc, $1)=yes if test yes,yes = "$GCC,$enable_shared"; then case $_LT_TAGVAR(archive_cmds, $1) in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 10 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option '$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl 'shared' nor 'disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], [_LT_WITH_AIX_SONAME([aix])]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-windows* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the 'shared' and # 'disable-shared' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the 'static' and # 'disable-static' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the 'fast-install' # and 'disable-fast-install' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_AIX_SONAME([DEFAULT]) # ---------------------------------- # implement the --enable-aix-soname configure option, and support the # `aix-soname=aix' and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. # DEFAULT is either `aix', `both', or `svr4'. If omitted, it defaults to `aix'. m4_define([_LT_WITH_AIX_SONAME], [m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl shared_archive_member_spec= case $host,$enable_shared in power*-*-aix[[5-9]]*,yes) AC_MSG_CHECKING([which variant of shared library versioning to provide]) AC_ARG_ENABLE([aix-soname], [AS_HELP_STRING([--enable-aix-soname=aix|svr4|both], [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])], [case $enableval in aix|svr4|both) ;; *) AC_MSG_ERROR([Unknown argument to --enable-aix-soname]) ;; esac lt_cv_with_aix_soname=$enable_aix_soname], [_AC_ENABLE_IF([with], [aix-soname], [case $withval in aix|svr4|both) ;; *) AC_MSG_ERROR([Unknown argument to --with-aix-soname]) ;; esac lt_cv_with_aix_soname=$with_aix_soname], [AC_CACHE_VAL([lt_cv_with_aix_soname], [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)]) enable_aix_soname=$lt_cv_with_aix_soname]) with_aix_soname=$enable_aix_soname AC_MSG_RESULT([$with_aix_soname]) if test aix != "$with_aix_soname"; then # For the AIX way of multilib, we name the shared archive member # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, # the AIX toolchain works better with OBJECT_MODE set (default 32). if test 64 = "${OBJECT_MODE-32}"; then shared_archive_member_spec=shr_64 else shared_archive_member_spec=shr fi fi ;; *) with_aix_soname=aix ;; esac _LT_DECL([], [shared_archive_member_spec], [0], [Shared archive member basename, for filename based shared library versioning on AIX])dnl ])# _LT_WITH_AIX_SONAME LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])]) LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])]) LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])]) # _LT_WITH_PIC([MODE]) # -------------------- # implement the --enable-pic flag, and support the 'pic-only' and 'no-pic' # LT_INIT options. # MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'. m4_define([_LT_WITH_PIC], [AC_ARG_ENABLE([pic], [AS_HELP_STRING([--enable-pic@<:@=PKGS@:>@], [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], [lt_p=${PACKAGE-default} case $enableval in yes|no) pic_mode=$enableval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $enableval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac], [dnl Continue to support --with-pic and --without-pic, for backward dnl compatibility. _AC_ENABLE_IF([with], [pic], [lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac], [pic_mode=m4_default([$1], [default])])] ) _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl ])# _LT_WITH_PIC LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) # Old name: AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'pic-only' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) ## ----------------- ## ## LTDL_INIT Options ## ## ----------------- ## m4_define([_LTDL_MODE], []) LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], [m4_define([_LTDL_MODE], [nonrecursive])]) LT_OPTION_DEFINE([LTDL_INIT], [recursive], [m4_define([_LTDL_MODE], [recursive])]) LT_OPTION_DEFINE([LTDL_INIT], [subproject], [m4_define([_LTDL_MODE], [subproject])]) m4_define([_LTDL_TYPE], []) LT_OPTION_DEFINE([LTDL_INIT], [installable], [m4_define([_LTDL_TYPE], [installable])]) LT_OPTION_DEFINE([LTDL_INIT], [convenience], [m4_define([_LTDL_TYPE], [convenience])]) libnbd-1.22.2/m4/ltsugar.m40000644000175000017500000001045314751426461010771 # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- # # Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software # Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) # lt_join(SEP, ARG1, [ARG2...]) # ----------------------------- # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their # associated separator. # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier # versions in m4sugar had bugs. m4_define([lt_join], [m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) m4_define([_lt_join], [m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) # lt_car(LIST) # lt_cdr(LIST) # ------------ # Manipulate m4 lists. # These macros are necessary as long as will still need to support # Autoconf-2.59, which quotes differently. m4_define([lt_car], [[$1]]) m4_define([lt_cdr], [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])]) m4_define([lt_unquote], $1) # lt_append(MACRO-NAME, STRING, [SEPARATOR]) # ------------------------------------------ # Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. # Note that neither SEPARATOR nor STRING are expanded; they are appended # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). # No SEPARATOR is output if MACRO-NAME was previously undefined (different # than defined and empty). # # This macro is needed until we can rely on Autoconf 2.62, since earlier # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. m4_define([lt_append], [m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of # PREFIX-LIST with SUFFIX1 through SUFFIXn. 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It'll see the old AC_DEFUN # in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us # using a macro with the same name in our local m4/libtool.m4 it'll # pull the old libtool.m4 in (it doesn't see our shiny new m4_define # and doesn't know about Autoconf macros at all.) # # So we provide this file, which has a silly filename so it's always # included after everything else. This provides aclocal with the # AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything # because those macros already exist, or will be overwritten later. # We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. # # Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. # Yes, that means every name once taken will need to remain here until # we give up compatibility with versions before 1.7, at which point # we need to keep only those names which we still refer to. # This is to help aclocal find these macros, as it can't see m4_define. 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Jones dnl Copyright © 2009 Stefano Zacchiroli dnl Copyright © 2000-2005 Olivier Andrieu dnl Copyright © 2000-2005 Jean-Christophe Filliâtre dnl Copyright © 2000-2005 Georges Mariano dnl dnl For documentation, please read the ocaml.m4 man page. 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"./$cache_file";; esac fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 printf "%s\n" "$as_me: creating cache $cache_file" >&6;} >$cache_file fi as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" # Test code for whether the C compiler supports C89 (global declarations) ac_c_conftest_c89_globals=' /* Does the compiler advertise C89 conformance? Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (char **p, int i) { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* C89 style stringification. */ #define noexpand_stringify(a) #a const char *stringified = noexpand_stringify(arbitrary+token=sequence); /* C89 style token pasting. Exercises some of the corner cases that e.g. old MSVC gets wrong, but not very hard. */ #define noexpand_concat(a,b) a##b #define expand_concat(a,b) noexpand_concat(a,b) extern int vA; extern int vbee; #define aye A #define bee B int *pvA = &expand_concat(v,aye); int *pvbee = &noexpand_concat(v,bee); /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. It is necessary to write \x00 == 0 to get something that is true only with -std. */ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters inside strings and character constants. */ #define FOO(x) '\''x'\'' int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), int, int);' # Test code for whether the C compiler supports C89 (body of main). ac_c_conftest_c89_main=' ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); ' # Test code for whether the C compiler supports C99 (global declarations) ac_c_conftest_c99_globals=' /* Does the compiler advertise C99 conformance? */ #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L # error "Compiler does not advertise C99 conformance" #endif // See if C++-style comments work. #include extern int puts (const char *); extern int printf (const char *, ...); extern int dprintf (int, const char *, ...); extern void *malloc (size_t); extern void free (void *); // Check varargs macros. These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Work around memory leak warnings. free (ia); // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' /* Does the compiler advertise C11 conformance? */ #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H" as_fn_append ac_header_c_list " minix/config.h minix_config_h HAVE_MINIX_CONFIG_H" # Test code for whether the C++ compiler supports C++98 (global declarations) ac_cxx_conftest_cxx98_globals=' // Does the compiler advertise C++98 conformance? #if !defined __cplusplus || __cplusplus < 199711L # error "Compiler does not advertise C++98 conformance" #endif // These inclusions are to reject old compilers that // lack the unsuffixed header files. #include #include // and are *not* freestanding headers in C++98. extern void assert (int); namespace std { extern int strcmp (const char *, const char *); } // Namespaces, exceptions, and templates were all added after "C++ 2.0". using std::exception; using std::strcmp; namespace { void test_exception_syntax() { try { throw "test"; } catch (const char *s) { // Extra parentheses suppress a warning when building autoconf itself, // due to lint rules shared with more typical C programs. assert (!(strcmp) (s, "test")); } } template struct test_template { T const val; explicit test_template(T t) : val(t) {} template T add(U u) { return static_cast(u) + val; } }; } // anonymous namespace ' # Test code for whether the C++ compiler supports C++98 (body of main) ac_cxx_conftest_cxx98_main=' assert (argc); assert (! argv[0]); { test_exception_syntax (); test_template tt (2.0); assert (tt.add (4) == 6.0); assert (true && !false); } ' # Test code for whether the C++ compiler supports C++11 (global declarations) ac_cxx_conftest_cxx11_globals=' // Does the compiler advertise C++ 2011 conformance? #if !defined __cplusplus || __cplusplus < 201103L # error "Compiler does not advertise C++11 conformance" #endif namespace cxx11test { constexpr int get_val() { return 20; } struct testinit { int i; double d; }; class delegate { public: delegate(int n) : n(n) {} delegate(): delegate(2354) {} virtual int getval() { return this->n; }; protected: int n; }; class overridden : public delegate { public: overridden(int n): delegate(n) {} virtual int getval() override final { return this->n * 2; } }; class nocopy { public: nocopy(int i): i(i) {} nocopy() = default; nocopy(const nocopy&) = delete; nocopy & operator=(const nocopy&) = delete; private: int i; }; // for testing lambda expressions template Ret eval(Fn f, Ret v) { return f(v); } // for testing variadic templates and trailing return types template auto sum(V first) -> V { return first; } template auto sum(V first, Args... rest) -> V { return first + sum(rest...); } } ' # Test code for whether the C++ compiler supports C++11 (body of main) ac_cxx_conftest_cxx11_main=' { // Test auto and decltype auto a1 = 6538; auto a2 = 48573953.4; auto a3 = "String literal"; int total = 0; for (auto i = a3; *i; ++i) { total += *i; } decltype(a2) a4 = 34895.034; } { // Test constexpr short sa[cxx11test::get_val()] = { 0 }; } { // Test initializer lists cxx11test::testinit il = { 4323, 435234.23544 }; } { // Test range-based for int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; for (auto &x : array) { x += 23; } } { // Test lambda expressions using cxx11test::eval; assert (eval ([](int x) { return x*2; }, 21) == 42); double d = 2.0; assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0); assert (d == 5.0); assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0); assert (d == 5.0); } { // Test use of variadic templates using cxx11test::sum; auto a = sum(1); auto b = sum(1, 2); auto c = sum(1.0, 2.0, 3.0); } { // Test constructor delegation cxx11test::delegate d1; cxx11test::delegate d2(); cxx11test::delegate d3(45); } { // Test override and final cxx11test::overridden o1(55464); } { // Test nullptr char *c = nullptr; } { // Test template brackets test_template<::test_template> v(test_template(12)); } { // Unicode literals char const *utf8 = u8"UTF-8 string \u2500"; char16_t const *utf16 = u"UTF-8 string \u2500"; char32_t const *utf32 = U"UTF-32 string \u2500"; } ' # Test code for whether the C compiler supports C++11 (complete). ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals} ${ac_cxx_conftest_cxx11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} ${ac_cxx_conftest_cxx11_main} return ok; } " # Test code for whether the C compiler supports C++98 (complete). ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} return ok; } " # Auxiliary files required by this configure script. ac_aux_files="config.guess config.sub ltmain.sh missing install-sh compile" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." # Search for a directory containing all of the required auxiliary files, # $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. # If we don't find one directory that contains all the files we need, # we report the set of missing files from the *first* directory in # $ac_aux_dir_candidates and give up. ac_missing_aux_files="" ac_first_candidate=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR as_found=false for as_dir in $ac_aux_dir_candidates do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac as_found=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 ac_aux_dir_found=yes ac_install_sh= for ac_aux in $ac_aux_files do # As a special case, if "install-sh" is required, that requirement # can be satisfied by any of "install-sh", "install.sh", or "shtool", # and $ac_install_sh is set appropriately for whichever one is found. if test x"$ac_aux" = x"install-sh" then if test -f "${as_dir}install-sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 ac_install_sh="${as_dir}install-sh -c" elif test -f "${as_dir}install.sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 ac_install_sh="${as_dir}install.sh -c" elif test -f "${as_dir}shtool"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 ac_install_sh="${as_dir}shtool install -c" else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} install-sh" else break fi fi else if test -f "${as_dir}${ac_aux}"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" else break fi fi fi done if test "$ac_aux_dir_found" = yes; then ac_aux_dir="$as_dir" break fi ac_first_candidate=false as_found=false done IFS=$as_save_IFS if $as_found then : else case e in #( e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;; esac fi # These three variables are undocumented and unsupported, # and are intended to be withdrawn in a future Autoconf release. # They can cause serious problems if a builder's source tree is in a directory # whose full name contains unusual characters. if test -f "${ac_aux_dir}config.guess"; then ac_config_guess="$SHELL ${ac_aux_dir}config.guess" fi if test -f "${ac_aux_dir}config.sub"; then ac_config_sub="$SHELL ${ac_aux_dir}config.sub" fi if test -f "$ac_aux_dir/configure"; then ac_configure="$SHELL ${ac_aux_dir}configure" fi # Check that the precious variables saved in the cache have kept the same # value. ac_cache_corrupted=false for ac_var in $ac_precious_vars; do eval ac_old_set=\$ac_cv_env_${ac_var}_set eval ac_new_set=\$ac_env_${ac_var}_set eval ac_old_val=\$ac_cv_env_${ac_var}_value eval ac_new_val=\$ac_env_${ac_var}_value case $ac_old_set,$ac_new_set in set,) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5 printf "%s\n" "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;} ac_cache_corrupted=: ;; ,set) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5 printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;} ac_cache_corrupted=: ;; ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then # differences in whitespace do not lead to failure. ac_old_val_w=`echo x $ac_old_val` ac_new_val_w=`echo x $ac_new_val` if test "$ac_old_val_w" != "$ac_new_val_w"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5 printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;} ac_cache_corrupted=: else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5 printf "%s\n" "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;} eval $ac_var=\$ac_old_val fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: '$ac_old_val'" >&5 printf "%s\n" "$as_me: former value: '$ac_old_val'" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: '$ac_new_val'" >&5 printf "%s\n" "$as_me: current value: '$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. if test "$ac_new_set" = set; then case $ac_new_val in *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; *) ac_arg=$ac_var=$ac_new_val ;; esac case " $ac_configure_args " in *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. *) as_fn_append ac_configure_args " '$ac_arg'" ;; esac fi done if $ac_cache_corrupted; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file' and start over" "$LINENO" 5 fi ## -------------------- ## ## Main body of script. ## ## -------------------- ## ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu # Expand $ac_aux_dir to an absolute path. am_aux_dir=`cd "$ac_aux_dir" && pwd` ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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" >&6; } if test ${lt_cv_prog_gnu_ld+y} then : printf %s "(cached) " >&6 else case e in #( e) # I'd rather use --version here, but apparently some GNU lds only accept -v. case `$LD -v 2>&1 &5 printf "%s\n" "$lt_cv_prog_gnu_ld" >&6; } with_gnu_ld=$lt_cv_prog_gnu_ld { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 printf %s "checking for BSD- or MS-compatible name lister (nm)... " >&6; } if test ${lt_cv_path_NM+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM=$NM else lt_nm_to_check=${ac_tool_prefix}nm if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. tmp_nm=$ac_dir/$lt_tmp_nm if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then # Check to see if the nm accepts a BSD-compat flag. # Adding the 'sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty case $build_os in mingw* | windows*) lt_bad_file=conftest.nm/nofile ;; *) lt_bad_file=/dev/null ;; esac case `"$tmp_nm" -B $lt_bad_file 2>&1 | $SED '1q'` in *$lt_bad_file* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break 2 ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break 2 ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS=$lt_save_ifs done : ${lt_cv_path_NM=no} fi ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 printf "%s\n" "$lt_cv_path_NM" >&6; } if test no != "$lt_cv_path_NM"; then NM=$lt_cv_path_NM else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DUMPBIN+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$DUMPBIN"; then ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi DUMPBIN=$ac_cv_prog_DUMPBIN if test -n "$DUMPBIN"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 printf "%s\n" "$DUMPBIN" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$DUMPBIN" && break done fi if test -z "$DUMPBIN"; then ac_ct_DUMPBIN=$DUMPBIN for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DUMPBIN+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 printf "%s\n" "$ac_ct_DUMPBIN" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols -headers" ;; *) DUMPBIN=: ;; esac fi if test : != "$DUMPBIN"; then NM=$DUMPBIN fi fi test -z "$NM" && NM=nm { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 printf %s "checking the name lister ($NM) interface... " >&6; } if test ${lt_cv_nm_interface+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 printf "%s\n" "$lt_cv_nm_interface" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 printf %s "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 printf "%s\n" "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 printf %s "checking the maximum length of command line arguments... " >&6; } if test ${lt_cv_sys_max_cmd_len+y} then : printf %s "(cached) " >&6 else case e in #( e) i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu* | ironclad*) # Under GNU Hurd and Ironclad, this test is not required because there # is no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | windows* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ;; esac fi if test -n "$lt_cv_sys_max_cmd_len"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 printf "%s\n" "$lt_cv_sys_max_cmd_len" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5 printf "%s\n" "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 printf %s "checking how to convert $build file names to $host format... " >&6; } if test ${lt_cv_to_host_file_cmd+y} then : printf %s "(cached) " >&6 else case e in #( e) case $host in *-*-mingw* ) case $build in *-*-mingw* | *-*-windows* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* | *-*-windows* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 printf "%s\n" "$lt_cv_to_host_file_cmd" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 printf %s "checking how to convert $build file names to toolchain format... " >&6; } if test ${lt_cv_to_tool_file_cmd+y} then : printf %s "(cached) " >&6 else case e in #( e) #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* | *-*-windows* ) case $build in *-*-mingw* | *-*-windows* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 printf "%s\n" "$lt_cv_to_tool_file_cmd" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 printf %s "checking for $LD option to reload object files... " >&6; } if test ${lt_cv_ld_reload_flag+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_ld_reload_flag='-r' ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 printf "%s\n" "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | windows* | pw32* | cegcc*) if test yes != "$GCC"; then reload_cmds=false fi ;; darwin*) if test yes = "$GCC"; then reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac # Extract the first word of "file", so it can be a program name with args. set dummy file; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_FILECMD+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$FILECMD"; then ac_cv_prog_FILECMD="$FILECMD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_FILECMD="file" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_FILECMD" && ac_cv_prog_FILECMD=":" fi ;; esac fi FILECMD=$ac_cv_prog_FILECMD if test -n "$FILECMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FILECMD" >&5 printf "%s\n" "$FILECMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OBJDUMP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 printf "%s\n" "$OBJDUMP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OBJDUMP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 printf "%s\n" "$ac_ct_OBJDUMP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 printf %s "checking how to recognize dependent libraries... " >&6; } if test ${lt_cv_deplibs_check_method+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # 'unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'file_magic [[regex]]' -- check by looking for files in library path # that responds to the $file_magic_cmd with a given extended regex. # If you have 'file' or equivalent on your system and you're not sure # whether 'pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='$FILECMD -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | windows* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. if ( file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64|pe-aarch64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly* | midnightbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=$FILECMD case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; *-mlibc) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; serenity*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 printf "%s\n" "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | windows* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DLLTOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 printf "%s\n" "$DLLTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DLLTOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 printf "%s\n" "$ac_ct_DLLTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 printf %s "checking how to associate runtime and link libraries... " >&6; } if test ${lt_cv_sharedlib_from_linklib_cmd+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | windows* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh; # decide which one to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_RANLIB+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 printf "%s\n" "$RANLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_RANLIB+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 printf "%s\n" "$ac_ct_RANLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_AR+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi AR=$ac_cv_prog_AR if test -n "$AR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 printf "%s\n" "$AR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_AR+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 printf "%s\n" "$ac_ct_AR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because that's what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 printf %s "checking for archiver @FILE support... " >&6; } if test ${lt_cv_ar_at_file+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 printf "%s\n" "$lt_cv_ar_at_file" >&6; } if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_STRIP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 printf "%s\n" "$STRIP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_STRIP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 printf "%s\n" "$ac_ct_STRIP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 printf %s "checking command to parse $NM output from $compiler object... " >&6; } if test ${lt_cv_sys_global_symbol_pipe+y} then : printf %s "(cached) " >&6 else case e in #( e) # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | windows* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BCDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw* | windows*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(void){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&5 if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&5 && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ;; esac fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: failed" >&5 printf "%s\n" "failed" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5 printf "%s\n" "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 printf %s "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test ${with_sysroot+y} then : withval=$with_sysroot; else case e in #( e) with_sysroot=no ;; esac fi lt_sysroot= case $with_sysroot in #( yes) if test yes = "$GCC"; then # Trim trailing / since we'll always append absolute paths and we want # to avoid //, if only for less confusing output for the user. lt_sysroot=`$CC --print-sysroot 2>/dev/null | $SED 's:/\+$::'` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 printf "%s\n" "$with_sysroot" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 printf "%s\n" "${lt_sysroot:-no}" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 printf %s "checking for a working dd... " >&6; } if test ${ac_cv_path_lt_DD+y} then : printf %s "(cached) " >&6 else case e in #( e) printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i : ${lt_DD:=$DD} if test -z "$lt_DD"; then ac_path_lt_DD_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in dd do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_lt_DD="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_lt_DD" || continue if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: fi $ac_path_lt_DD_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_lt_DD"; then : fi else ac_cv_path_lt_DD=$lt_DD fi rm -f conftest.i conftest2.i conftest.out ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 printf "%s\n" "$ac_cv_path_lt_DD" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 printf %s "checking how to truncate binary pipes... " >&6; } if test ${lt_cv_truncate_bin+y} then : printf %s "(cached) " >&6 else case e in #( e) printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i lt_cv_truncate_bin= if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" fi rm -f conftest.i conftest2.i conftest.out test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 printf "%s\n" "$lt_cv_truncate_bin" >&6; } # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in $*""; do case $cc_temp in compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } # Check whether --enable-libtool-lock was given. if test ${enable_libtool_lock+y} then : enableval=$enable_libtool_lock; fi test no = "$enable_libtool_lock" || enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out what ABI is being produced by ac_compile, and set mode # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE=32 ;; *ELF-64*) HPUX_IA64_MODE=64 ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test yes = "$lt_cv_prog_gnu_ld"; then case `$FILECMD conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `$FILECMD conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; mips64*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then emul=elf case `$FILECMD conftest.$ac_objext` in *32-bit*) emul="${emul}32" ;; *64-bit*) emul="${emul}64" ;; esac case `$FILECMD conftest.$ac_objext` in *MSB*) emul="${emul}btsmip" ;; *LSB*) emul="${emul}ltsmip" ;; esac case `$FILECMD conftest.$ac_objext` in *N32*) emul="${emul}n32" ;; esac LD="${LD-ld} -m $emul" fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*|x86_64-gnu*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. Note that the listed cases only cover the # situations where additional linker options are needed (such as when # doing 32-bit compilation for a host where ld defaults to 64-bit, or # vice versa); the common cases where no linker options are needed do # not appear in the list. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*|x86_64-gnu*) case `$FILECMD conftest.o` in *x86-64*) LD="${LD-ld} -m elf32_x86_64" ;; *) LD="${LD-ld} -m elf_i386" ;; esac ;; powerpc64le-*linux*) LD="${LD-ld} -m elf32lppclinux" ;; powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*|x86_64-gnu*) LD="${LD-ld} -m elf_x86_64" ;; powerpcle-*linux*) LD="${LD-ld} -m elf64lppc" ;; powerpc-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -belf" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 printf %s "checking whether the C compiler needs -belf... " >&6; } if test ${lt_cv_cc_needs_belf+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_cc_needs_belf=yes else case e in #( e) lt_cv_cc_needs_belf=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 printf "%s\n" "$lt_cv_cc_needs_belf" >&6; } if test yes != "$lt_cv_cc_needs_belf"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS=$SAVE_CFLAGS fi ;; *-*solaris*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*|x86_64-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_MANIFEST_TOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 printf "%s\n" "$MANIFEST_TOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_MANIFEST_TOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 printf "%s\n" "$ac_ct_MANIFEST_TOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 printf %s "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if test ${lt_cv_path_manifest_tool+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_path_manifest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_manifest_tool=yes fi rm -f conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_manifest_tool" >&5 printf "%s\n" "$lt_cv_path_manifest_tool" >&6; } if test yes != "$lt_cv_path_manifest_tool"; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DSYMUTIL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 printf "%s\n" "$DSYMUTIL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DSYMUTIL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 printf "%s\n" "$ac_ct_DSYMUTIL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_NMEDIT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 printf "%s\n" "$NMEDIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_NMEDIT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 printf "%s\n" "$ac_ct_NMEDIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_LIPO+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 printf "%s\n" "$LIPO" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_LIPO+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 printf "%s\n" "$ac_ct_LIPO" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OTOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 printf "%s\n" "$OTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OTOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 printf "%s\n" "$ac_ct_OTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OTOOL64+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 printf "%s\n" "$OTOOL64" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OTOOL64+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 printf "%s\n" "$ac_ct_OTOOL64" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 printf %s "checking for -single_module linker flag... " >&6; } if test ${lt_cv_apple_cc_single_mod+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_apple_cc_single_mod=no if test -z "$LT_MULTI_MODULE"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test 0 = "$_lt_result"; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; } # Feature test to disable chained fixups since it is not # compatible with '-undefined dynamic_lookup' { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -no_fixup_chains linker flag" >&5 printf %s "checking for -no_fixup_chains linker flag... " >&6; } if test ${lt_cv_support_no_fixup_chains+y} then : printf %s "(cached) " >&6 else case e in #( e) save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-no_fixup_chains" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_support_no_fixup_chains=yes else case e in #( e) lt_cv_support_no_fixup_chains=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_support_no_fixup_chains" >&5 printf "%s\n" "$lt_cv_support_no_fixup_chains" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 printf %s "checking for -exported_symbols_list linker flag... " >&6; } if test ${lt_cv_ld_exported_symbols_list+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_ld_exported_symbols_list=no save_LDFLAGS=$LDFLAGS echo "_main" > conftest.sym LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_ld_exported_symbols_list=yes else case e in #( e) lt_cv_ld_exported_symbols_list=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 printf %s "checking for -force_load linker flag... " >&6; } if test ${lt_cv_ld_force_load+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_ld_force_load=no cat > conftest.c << _LT_EOF int forced_loaded() { return 2;} _LT_EOF echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 echo "$AR $AR_FLAGS libconftest.a conftest.o" >&5 $AR $AR_FLAGS libconftest.a conftest.o 2>&5 echo "$RANLIB libconftest.a" >&5 $RANLIB libconftest.a 2>&5 cat > conftest.c << _LT_EOF int main(void) { return 0;} _LT_EOF echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err _lt_result=$? if test -s conftest.err && $GREP force_load conftest.err; then cat conftest.err >&5 elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then lt_cv_ld_force_load=yes else cat conftest.err >&5 fi rm -f conftest.err libconftest.a conftest conftest.c rm -rf conftest.dSYM ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 printf "%s\n" "$lt_cv_ld_force_load" >&6; } case $host_os in rhapsody* | darwin1.[012]) _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; darwin1.*) _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; darwin*) case $MACOSX_DEPLOYMENT_TARGET,$host in 10.[012],*|,*powerpc*-darwin[5-8]*) _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; *) _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' if test yes = "$lt_cv_support_no_fixup_chains"; then as_fn_append _lt_dar_allow_undefined ' $wl-no_fixup_chains' fi ;; esac ;; esac if test yes = "$lt_cv_apple_cc_single_mod"; then _lt_dar_single_mod='$single_module' fi _lt_dar_needs_single_mod=no case $host_os in rhapsody* | darwin1.*) _lt_dar_needs_single_mod=yes ;; darwin*) # When targeting Mac OS X 10.4 (darwin 8) or later, # -single_module is the default and -multi_module is unsupported. # The toolchain on macOS 10.14 (darwin 18) and later cannot # target any OS version that needs -single_module. case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in 10.0,*-darwin[567].*|10.[0-3],*-darwin[5-9].*|10.[0-3],*-darwin1[0-7].*) _lt_dar_needs_single_mod=yes ;; esac ;; esac if test yes = "$lt_cv_ld_exported_symbols_list"; then _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' else _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' fi if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then _lt_dsymutil='~$DSYMUTIL $lib || :' else _lt_dsymutil= fi ;; esac # func_munge_path_list VARIABLE PATH # ----------------------------------- # VARIABLE is name of variable containing _space_ separated list of # directories to be munged by the contents of PATH, which is string # having a format: # "DIR[:DIR]:" # string "DIR[ DIR]" will be prepended to VARIABLE # ":DIR[:DIR]" # string "DIR[ DIR]" will be appended to VARIABLE # "DIRP[:DIRP]::[DIRA:]DIRA" # string "DIRP[ DIRP]" will be prepended to VARIABLE and string # "DIRA[ DIRA]" will be appended to VARIABLE # "DIR[:DIR]" # VARIABLE will be replaced by "DIR[ DIR]" func_munge_path_list () { case x$2 in x) ;; *:) eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" ;; x:*) eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" ;; *::*) eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" ;; *) eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" ;; esac } ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default " if test "x$ac_cv_header_dlfcn_h" = xyes then : printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h fi # Set options enable_dlopen=no enable_win32_dll=no # Check whether --enable-shared was given. if test ${enable_shared+y} then : enableval=$enable_shared; p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac else case e in #( e) enable_shared=yes ;; esac fi # Check whether --enable-static was given. if test ${enable_static+y} then : enableval=$enable_static; p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac else case e in #( e) enable_static=yes ;; esac fi # Check whether --enable-pic was given. if test ${enable_pic+y} then : enableval=$enable_pic; lt_p=${PACKAGE-default} case $enableval in yes|no) pic_mode=$enableval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $enableval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac else case e in #( e) # Check whether --with-pic was given. if test ${with_pic+y} then : withval=$with_pic; lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac else case e in #( e) pic_mode=default ;; esac fi ;; esac fi # Check whether --enable-fast-install was given. if test ${enable_fast_install+y} then : enableval=$enable_fast_install; p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac else case e in #( e) enable_fast_install=yes ;; esac fi shared_archive_member_spec= case $host,$enable_shared in power*-*-aix[5-9]*,yes) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 printf %s "checking which variant of shared library versioning to provide... " >&6; } # Check whether --enable-aix-soname was given. if test ${enable_aix_soname+y} then : enableval=$enable_aix_soname; case $enableval in aix|svr4|both) ;; *) as_fn_error $? "Unknown argument to --enable-aix-soname" "$LINENO" 5 ;; esac lt_cv_with_aix_soname=$enable_aix_soname else case e in #( e) # Check whether --with-aix-soname was given. if test ${with_aix_soname+y} then : withval=$with_aix_soname; case $withval in aix|svr4|both) ;; *) as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 ;; esac lt_cv_with_aix_soname=$with_aix_soname else case e in #( e) if test ${lt_cv_with_aix_soname+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_with_aix_soname=aix ;; esac fi ;; esac fi enable_aix_soname=$lt_cv_with_aix_soname ;; esac fi with_aix_soname=$enable_aix_soname { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 printf "%s\n" "$with_aix_soname" >&6; } if test aix != "$with_aix_soname"; then # For the AIX way of multilib, we name the shared archive member # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, # the AIX toolchain works better with OBJECT_MODE set (default 32). if test 64 = "${OBJECT_MODE-32}"; then shared_archive_member_spec=shr_64 else shared_archive_member_spec=shr fi fi ;; *) with_aix_soname=aix ;; esac # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' test -z "$LN_S" && LN_S="ln -s" if test -n "${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 printf %s "checking for objdir... " >&6; } if test ${lt_cv_objdir+y} then : printf %s "(cached) " >&6 else case e in #( e) rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 printf "%s\n" "$lt_cv_objdir" >&6; } objdir=$lt_cv_objdir printf "%s\n" "#define LT_OBJDIR \"$lt_cv_objdir/\"" >>confdefs.h case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test set != "${COLLECT_NAMES+set}"; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Global variables: ofile=libtool can_build_shared=yes # All known linkers require a '.a' archive for static linking (except MSVC and # ICC, which need '.lib'). libext=a with_gnu_ld=$lt_cv_prog_gnu_ld old_CC=$CC old_CFLAGS=$CFLAGS # Set sane defaults for various variables test -z "$CC" && CC=cc test -z "$LTCC" && LTCC=$CC test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS test -z "$LD" && LD=ld test -z "$ac_objext" && ac_objext=o func_cc_basename $compiler cc_basename=$func_cc_basename_result # Only perform the check for file, if the check method requires it test -z "$MAGIC_CMD" && MAGIC_CMD=file case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 printf %s "checking for ${ac_tool_prefix}file... " >&6; } if test ${lt_cv_path_MAGIC_CMD+y} then : printf %s "(cached) " >&6 else case e in #( e) case $MAGIC_CMD in [\\/*] | ?:[\\/]*) lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD=$MAGIC_CMD lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" for ac_dir in $ac_dummy; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/${ac_tool_prefix}file"; then lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" if test -n "$file_magic_test_file"; then case $deplibs_check_method in "file_magic "*) file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` MAGIC_CMD=$lt_cv_path_MAGIC_CMD if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | $EGREP "$file_magic_regex" > /dev/null; then : else cat <<_LT_EOF 1>&2 *** Warning: the command libtool uses to detect shared libraries, *** $file_magic_cmd, produces output that libtool cannot recognize. *** The result is that libtool may fail to recognize shared libraries *** as such. This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS=$lt_save_ifs MAGIC_CMD=$lt_save_MAGIC_CMD ;; esac ;; esac fi MAGIC_CMD=$lt_cv_path_MAGIC_CMD if test -n "$MAGIC_CMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 printf "%s\n" "$MAGIC_CMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test -z "$lt_cv_path_MAGIC_CMD"; then if test -n "$ac_tool_prefix"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for file" >&5 printf %s "checking for file... " >&6; } if test ${lt_cv_path_MAGIC_CMD+y} then : printf %s "(cached) " >&6 else case e in #( e) case $MAGIC_CMD in [\\/*] | ?:[\\/]*) lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD=$MAGIC_CMD lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" for ac_dir in $ac_dummy; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/file"; then lt_cv_path_MAGIC_CMD=$ac_dir/"file" if test -n "$file_magic_test_file"; then case $deplibs_check_method in "file_magic "*) file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` MAGIC_CMD=$lt_cv_path_MAGIC_CMD if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | $EGREP "$file_magic_regex" > /dev/null; then : else cat <<_LT_EOF 1>&2 *** Warning: the command libtool uses to detect shared libraries, *** $file_magic_cmd, produces output that libtool cannot recognize. *** The result is that libtool may fail to recognize shared libraries *** as such. This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS=$lt_save_ifs MAGIC_CMD=$lt_save_MAGIC_CMD ;; esac ;; esac fi MAGIC_CMD=$lt_cv_path_MAGIC_CMD if test -n "$MAGIC_CMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 printf "%s\n" "$MAGIC_CMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi else MAGIC_CMD=: fi fi fi ;; esac # Use C for the default configuration in the libtool script lt_save_CC=$CC ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu # Source file extension for C test sources. ac_ext=c # Object file extension for compiled C test sources. objext=o objext=$objext # Code to be used in simple compile tests lt_simple_compile_test_code="int some_variable = 0;" # Code to be used in simple link tests lt_simple_link_test_code='int main(void){return(0);}' # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Save the default compiler, since it gets overwritten when the other # tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. compiler_DEFAULT=$CC # save warnings/boilerplate of simple test code ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" >conftest.$ac_ext eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err _lt_compiler_boilerplate=`cat conftest.err` $RM conftest* ac_outfile=conftest.$ac_objext echo "$lt_simple_link_test_code" >conftest.$ac_ext eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err _lt_linker_boilerplate=`cat conftest.err` $RM -r conftest* ## CAVEAT EMPTOR: ## There is no encapsulation within the following macros, do not change ## the running order or otherwise move them around unless you know exactly ## what you are doing... if test -n "$compiler"; then lt_prog_compiler_no_builtin_flag= if test yes = "$GCC"; then case $cc_basename in nvcc*) lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; *) lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 printf %s "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } if test ${lt_cv_prog_compiler_rtti_exceptions+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_rtti_exceptions=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_rtti_exceptions=yes fi fi $RM conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 printf "%s\n" "$lt_cv_prog_compiler_rtti_exceptions" >&6; } if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" else : fi fi lt_prog_compiler_wl= lt_prog_compiler_pic= lt_prog_compiler_static= if test yes = "$GCC"; then lt_prog_compiler_wl='-Wl,' lt_prog_compiler_static='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' fi lt_prog_compiler_pic='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support lt_prog_compiler_pic='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | windows* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. lt_prog_compiler_static= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) lt_prog_compiler_pic='-fPIC' ;; esac ;; interix[3-9]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. lt_prog_compiler_can_build_shared=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic=-Kconform_pic fi ;; *) lt_prog_compiler_pic='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 lt_prog_compiler_wl='-Xlinker ' if test -n "$lt_prog_compiler_pic"; then lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) lt_prog_compiler_wl='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' else lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; esac ;; mingw* | windows* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) lt_prog_compiler_wl='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) lt_prog_compiler_pic='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? lt_prog_compiler_static='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) lt_prog_compiler_wl='-Wl,' # PIC (with -KPIC) is the default. lt_prog_compiler_static='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-static' ;; *flang* | ftn | f18* | f95*) # Flang compiler. lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # Lahey Fortran 8.1. lf95*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='--shared' lt_prog_compiler_static='--static' ;; nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; ccc*) lt_prog_compiler_wl='-Wl,' # All Alpha code is PIC. lt_prog_compiler_static='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-qpic' lt_prog_compiler_static='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='' ;; *Sun\ F* | *Sun*Fortran*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Wl,' ;; *Intel*\ [CF]*Compiler*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; *Portland\ Group*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; esac ;; esac ;; newsos6) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; *-mlibc) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; osf3* | osf4* | osf5*) lt_prog_compiler_wl='-Wl,' # All OSF/1 code is PIC. lt_prog_compiler_static='-non_shared' ;; rdos*) lt_prog_compiler_static='-non_shared' ;; serenity*) ;; solaris*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) lt_prog_compiler_wl='-Qoption ld ';; *) lt_prog_compiler_wl='-Wl,';; esac ;; sunos4*) lt_prog_compiler_wl='-Qoption ld ' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic='-Kconform_pic' lt_prog_compiler_static='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; unicos*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_can_build_shared=no ;; uts4*) lt_prog_compiler_pic='-pic' lt_prog_compiler_static='-Bstatic' ;; *) lt_prog_compiler_can_build_shared=no ;; esac fi case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) lt_prog_compiler_pic= ;; *) lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 printf %s "checking for $compiler option to produce PIC... " >&6; } if test ${lt_cv_prog_compiler_pic+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_pic=$lt_prog_compiler_pic ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; } lt_prog_compiler_pic=$lt_cv_prog_compiler_pic # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } if test ${lt_cv_prog_compiler_pic_works+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_pic_works=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_pic_works=yes fi fi $RM conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; } if test yes = "$lt_cv_prog_compiler_pic_works"; then case $lt_prog_compiler_pic in "" | " "*) ;; *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; esac else lt_prog_compiler_pic= lt_prog_compiler_can_build_shared=no fi fi # # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } if test ${lt_cv_prog_compiler_static_works+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_static_works=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $lt_tmp_static_flag" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_static_works=yes fi else lt_cv_prog_compiler_static_works=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; } if test yes = "$lt_cv_prog_compiler_static_works"; then : else lt_prog_compiler_static= fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; } if test ${lt_cv_prog_compiler_c_o+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_c_o=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then lt_cv_prog_compiler_c_o=yes fi fi chmod u+w . 2>&5 $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; } if test ${lt_cv_prog_compiler_c_o+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_c_o=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then lt_cv_prog_compiler_c_o=yes fi fi chmod u+w . 2>&5 $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; } hard_links=nottested if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then # do not overwrite the value of need_locks provided by the user { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 printf %s "checking if we can lock with hard links... " >&6; } hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 printf "%s\n" "$hard_links" >&6; } if test no = "$hard_links"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 printf "%s\n" "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 printf %s "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } runpath_var= allow_undefined_flag= always_export_symbols=no archive_cmds= archive_expsym_cmds= compiler_needs_object=no enable_shared_with_static_runtimes=no export_dynamic_flag_spec= export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' hardcode_automatic=no hardcode_direct=no hardcode_direct_absolute=no hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_minus_L=no hardcode_shlibpath_var=unsupported inherit_rpath=no link_all_deplibs=unknown module_cmds= module_expsym_cmds= old_archive_from_new_cmds= old_archive_from_expsyms_cmds= thread_safe_flag_spec= whole_archive_flag_spec= # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list include_expsyms= # exclude_expsyms can be an extended regexp of symbols to exclude # it will be wrapped by ' (' and ')$', so one must not match beginning or # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', # as well as any symbol that contains 'd'. exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out # platforms (ab)use it in PIC code, but their linkers get confused if # the symbol is explicitly referenced. 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However, as the warning in the GNU ld # block says, versions before 2.19.5* couldn't really create working # shared libraries, regardless of the interface used. case `$LD -v 2>&1` in *\ \(GNU\ Binutils\)\ 2.19.5*) ;; *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; *\ \(GNU\ Binutils\)\ [3-9]*) ;; *) lt_use_gnu_ld_interface=yes ;; esac ;; *) lt_use_gnu_ld_interface=yes ;; esac fi if test yes = "$lt_use_gnu_ld_interface"; then # If archive_cmds runs LD, not CC, wlarc should be empty wlarc='$wl' # Set some defaults for GNU ld with shared library support. These # are reset later if shared libraries are not supported. 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If you *** really care for shared libraries, you may want to install binutils *** 2.20 or above, or modify your PATH so that a non-GNU linker is found. *** You will then need to restart the configuration process. _LT_EOF fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; beos*) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then allow_undefined_flag=unsupported # Joseph Beckenbach says some releases of gcc # support --undefined. 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FIXME archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' else ld_shlibs=no fi ;; cygwin* | mingw* | windows* | pw32* | cegcc*) # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, # as there is no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' export_dynamic_flag_spec='$wl--export-all-symbols' allow_undefined_flag=unsupported always_export_symbols=no enable_shared_with_static_runtimes=yes export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' file_list_spec='@' if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' # If the export-symbols file already is a .def file, use it as # is; otherwise, prepend EXPORTS... archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then cp $export_symbols $output_objdir/$soname.def; else echo EXPORTS > $output_objdir/$soname.def; cat $export_symbols >> $output_objdir/$soname.def; fi~ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' else ld_shlibs=no fi ;; haiku*) archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' link_all_deplibs=no ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported shrext_cmds=.dll archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' enable_shared_with_static_runtimes=yes file_list_spec='@' ;; interix[3-9]*) hardcode_direct=no hardcode_shlibpath_var=no hardcode_libdir_flag_spec='$wl-rpath,$libdir' export_dynamic_flag_spec='$wl-E' # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. # Instead, shared libraries are loaded at an image base (0x10000000 by # default) and relocated if they conflict, which is a slow very memory # consuming and fragmenting process. 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. 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If linking a library # or program results in "error TOC overflow" add -mminimal-toc to # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. archive_cmds='' hardcode_direct=yes hardcode_direct_absolute=yes hardcode_libdir_separator=':' link_all_deplibs=yes file_list_spec='$wl-f,' case $with_aix_soname,$aix_use_runtimelinking in aix,*) ;; # traditional, no import file svr4,* | *,yes) # use import file # The Import File defines what to hardcode. hardcode_direct=no hardcode_direct_absolute=no ;; esac if test yes = "$GCC"; then case $host_os in aix4.[012]|aix4.[012].*) # We only want to do this on AIX 4.2 and lower, the check # below for broken collect2 doesn't work under 4.3+ collect2name=`$CC -print-prog-name=collect2` if test -f "$collect2name" && strings "$collect2name" | $GREP resolve_lib_name >/dev/null then # We have reworked collect2 : else # We have old collect2 hardcode_direct=unsupported # It fails to find uninstalled libraries when the uninstalled # path is not listed in the libpath. Setting hardcode_minus_L # to unsupported forces relinking hardcode_minus_L=yes hardcode_libdir_flag_spec='-L$libdir' hardcode_libdir_separator= fi ;; esac shared_flag='-shared' if test yes = "$aix_use_runtimelinking"; then shared_flag="$shared_flag "'$wl-G' fi # Need to ensure runtime linking is disabled for the traditional # shared library, or the linker may eventually find shared libraries # /with/ Import File - we do not want to mix them. shared_flag_aix='-shared' shared_flag_svr4='-shared $wl-G' else # not using gcc if test ia64 = "$host_cpu"; then # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release # chokes on -Wl,-G. The following line is correct: shared_flag='-G' else if test yes = "$aix_use_runtimelinking"; then shared_flag='$wl-G' else shared_flag='$wl-bM:SRE' fi shared_flag_aix='$wl-bM:SRE' shared_flag_svr4='$wl-G' fi fi export_dynamic_flag_spec='$wl-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if test ${lt_cv_aix_libpath_+y} then : printf %s "(cached) " >&6 else case e in #( e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi ;; esac fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag else if test ia64 = "$host_cpu"; then hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if test ${lt_cv_aix_libpath_+y} then : printf %s "(cached) " >&6 else case e in #( e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi ;; esac fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' $wl-bernotok' allow_undefined_flag=' $wl-berok' if test yes = "$with_gnu_ld"; then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' # -brtl affects multiple linker settings, -berok does not and is overridden later compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' if test svr4 != "$with_aix_soname"; then # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' fi if test aix != "$with_aix_soname"; then archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' else # used by -dlpreopen to get the symbols archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' fi archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | windows* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++ or Intel C++ Compiler. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl* | icl*) # Native MSVC or ICC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -Fe$output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then cp "$export_symbols" "$output_objdir/$soname.def"; echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; else $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -Fe$tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile=$lt_outputfile.exe lt_tool_outputfile=$lt_tool_outputfile.exe ;; esac~ if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC and ICC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test yes = "$lt_cv_ld_force_load"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag=$_lt_dar_allow_undefined case $cc_basename in ifort*|nagfor*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test yes = "$_lt_dar_can_shared"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" archive_expsym_cmds="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" module_expsym_cmds="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2.*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly* | midnightbsd*) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; hpux9*) if test yes = "$GCC"; then archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' else archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' fi hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: hardcode_direct=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes export_dynamic_flag_spec='$wl-E' ;; hpux10*) if test yes,no = "$GCC,$with_gnu_ld"; then archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes fi ;; hpux11*) if test yes,no = "$GCC,$with_gnu_ld"; then case $host_cpu in hppa*64*) archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) # Older versions of the 11.00 compiler do not understand -b yet # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 printf %s "checking if $CC understands -b... " >&6; } if test ${lt_cv_prog_compiler__b+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler__b=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 printf "%s\n" "$lt_cv_prog_compiler__b" >&6; } if test yes = "$lt_cv_prog_compiler__b"; then archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test yes = "$GCC"; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 printf %s "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if test ${lt_cv_irix_exported_symbol+y} then : printf %s "(cached) " >&6 else case e in #( e) save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_irix_exported_symbol=yes else case e in #( e) lt_cv_irix_exported_symbol=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 printf "%s\n" "$lt_cv_irix_exported_symbol" >&6; } if test yes = "$lt_cv_irix_exported_symbol"; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; linux*) case $cc_basename in tcc*) # Fabrice Bellard et al's Tiny C Compiler ld_shlibs=yes archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' ;; esac ;; *-mlibc) ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='$wl-rpath,$libdir' export_dynamic_flag_spec='$wl-E' else archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath,$libdir' fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported shrext_cmds=.dll archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' enable_shared_with_static_runtimes=yes file_list_spec='@' ;; osf3*) if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; serenity*) ;; solaris*) no_undefined_flag=' -z defs' if test yes = "$GCC"; then wlarc='$wl' archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='$wl-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. no_undefined_flag='$wl-z,text' allow_undefined_flag='$wl-z,nodefs' archive_cmds_need_lc=no hardcode_shlibpath_var=no hardcode_libdir_flag_spec='$wl-R,$libdir' hardcode_libdir_separator=':' link_all_deplibs=yes export_dynamic_flag_spec='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; *) ld_shlibs=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) export_dynamic_flag_spec='$wl-Blargedynsym' ;; esac fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 printf "%s\n" "$ld_shlibs" >&6; } test no = "$ld_shlibs" && can_build_shared=no with_gnu_ld=$with_gnu_ld # # Do we need to explicitly link libc? # case "x$archive_cmds_need_lc" in x|xyes) # Assume -lc should be added archive_cmds_need_lc=yes if test yes,yes = "$GCC,$enable_shared"; then case $archive_cmds in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 printf %s "checking whether -lc should be explicitly linked in... " >&6; } if test ${lt_cv_archive_cmds_need_lc+y} then : printf %s "(cached) " >&6 else case e in #( e) $RM conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext deplibs= wl=$lt_prog_compiler_wl pic_flag=$lt_prog_compiler_pic compiler_flags=-v linker_flags=-v verstring= output_objdir=. libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag allow_undefined_flag= if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } then lt_cv_archive_cmds_need_lc=no else lt_cv_archive_cmds_need_lc=yes fi allow_undefined_flag=$lt_save_allow_undefined_flag else cat conftest.err 1>&5 fi $RM conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 printf "%s\n" "$lt_cv_archive_cmds_need_lc" >&6; } archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc ;; esac fi ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 printf %s "checking dynamic linker characteristics... " >&6; } if test yes = "$GCC"; then case $host_os in darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; *) lt_awk_arg='/^libraries:/' ;; esac case $host_os in mingw* | windows* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; *) lt_sed_strip_eq='s|=/|/|g' ;; esac lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` case $lt_search_path_spec in *\;*) # if the path contains ";" then we assume it to be the separator # otherwise default to the standard path separator (i.e. ":") - it is # assumed that no part of a normal pathname contains ";" but that should # okay in the real world where ";" in dirpaths is itself problematic. lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` ;; *) lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` ;; esac # Ok, now we have the path, separated by spaces, we can step through it # and add multilib dir if necessary... lt_tmp_lt_search_path_spec= lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` # ...but if some path component already ends with the multilib dir we assume # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). case "$lt_multi_os_dir; $lt_search_path_spec " in "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) lt_multi_os_dir= ;; esac for lt_sys_path in $lt_search_path_spec; do if test -d "$lt_sys_path$lt_multi_os_dir"; then lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" elif test -n "$lt_multi_os_dir"; then test -d "$lt_sys_path" && \ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" fi done lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' BEGIN {RS = " "; FS = "/|\n";} { lt_foo = ""; lt_count = 0; for (lt_i = NF; lt_i > 0; lt_i--) { if ($lt_i != "" && $lt_i != ".") { if ($lt_i == "..") { lt_count++; } else { if (lt_count == 0) { lt_foo = "/" $lt_i lt_foo; } else { lt_count--; } } } } if (lt_foo != "") { lt_freq[lt_foo]++; } if (lt_freq[lt_foo] == 1) { print lt_foo; } }'` # AWK program above erroneously prepends '/' to C:/dos/paths # for these hosts. case $host_os in mingw* | windows* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ $SED 's|/\([A-Za-z]:\)|\1|g'` ;; esac sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` else sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" fi library_names_spec= libname_spec='lib$name' soname_spec= shrext_cmds=.so postinstall_cmds= postuninstall_cmds= finish_cmds= finish_eval= shlibpath_var= shlibpath_overrides_runpath=unknown version_type=none dynamic_linker="$host_os ld.so" sys_lib_dlsearch_path_spec="/lib /usr/lib" need_lib_prefix=unknown hardcode_into_libs=no # when you set need_version to no, make sure it does not cause -set_version # flags to be left without arguments need_version=unknown case $host_os in aix3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname.a' shlibpath_var=LIBPATH # AIX 3 has no versioning support, so we append a major version to the name. soname_spec='$libname$release$shared_ext$major' ;; aix[4-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no hardcode_into_libs=yes if test ia64 = "$host_cpu"; then # AIX 5 supports IA64 library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH else # With GCC up to 2.95.x, collect2 would create an import file # for dependence libraries. The import file would start with # the line '#! .'. This would cause the generated library to # depend on '.', always an invalid library. This was fixed in # development snapshots of GCC prior to 3.0. case $host_os in aix4 | aix4.[01] | aix4.[01].*) if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' echo ' yes ' echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then : else can_build_shared=no fi ;; esac # Using Import Files as archive members, it is possible to support # filename-based versioning of shared library archives on AIX. While # this would work for both with and without runtime linking, it will # prevent static linking of such archives. So we do filename-based # shared library versioning with .so extension only, which is used # when both runtime linking and shared linking is enabled. # Unfortunately, runtime linking may impact performance, so we do # not want this to be the default eventually. Also, we use the # versioned .so libs for executables only if there is the -brtl # linker flag in LDFLAGS as well, or --enable-aix-soname=svr4 only. # To allow for filename-based versioning support, we need to create # libNAME.so.V as an archive file, containing: # *) an Import File, referring to the versioned filename of the # archive as well as the shared archive member, telling the # bitwidth (32 or 64) of that shared object, and providing the # list of exported symbols of that shared object, eventually # decorated with the 'weak' keyword # *) the shared object with the F_LOADONLY flag set, to really avoid # it being seen by the linker. # At run time we better use the real file rather than another symlink, # but for link time we create the symlink libNAME.so -> libNAME.so.V case $with_aix_soname,$aix_use_runtimelinking in # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct # soname into executable. Probably we can add versioning support to # collect2, so additional links can be useful in future. aix,yes) # traditional libtool dynamic_linker='AIX unversionable lib.so' # If using run time linking (on AIX 4.2 or later) use lib.so # instead of lib.a to let people know that these are not # typical AIX shared libraries. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; aix,no) # traditional AIX only dynamic_linker='AIX lib.a(lib.so.V)' # We preserve .a as extension for shared libraries through AIX4.2 # and later when we are not doing run time linking. library_names_spec='$libname$release.a $libname.a' soname_spec='$libname$release$shared_ext$major' ;; svr4,*) # full svr4 only dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' # We do not specify a path in Import Files, so LIBPATH fires. shlibpath_overrides_runpath=yes ;; *,yes) # both, prefer svr4 dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' # unpreferred sharedlib libNAME.a needs extra handling postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' # We do not specify a path in Import Files, so LIBPATH fires. shlibpath_overrides_runpath=yes ;; *,no) # both, prefer aix dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" library_names_spec='$libname$release.a $libname.a' soname_spec='$libname$release$shared_ext$major' # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' ;; esac shlibpath_var=LIBPATH fi ;; amigaos*) case $host_cpu in powerpc) # Since July 2007 AmigaOS4 officially supports .so libraries. # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; m68k) library_names_spec='$libname.ixlibrary $libname.a' # Create ${libname}_ixlibrary.a entries in /sys/libs. finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' ;; esac ;; beos*) library_names_spec='$libname$shared_ext' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;; bsdi[45]*) version_type=linux # correct to gnu/linux during the next big refactor need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; cygwin* | mingw* | windows* | pw32* | cegcc*) version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no case $GCC,$cc_basename in yes,*) # gcc library_names_spec='$libname.dll.a' # DLL is installed to $(libdir)/../bin by postinstall_cmds # If user builds GCC with multilib enabled, # it should just install on $(libdir) # not on $(libdir)/../bin or 32 bits dlls would override 64 bit ones. if test xyes = x"$multilib"; then postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ $install_prog $dir/$dlname $destdir/$dlname~ chmod a+x $destdir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib $destdir/$dlname'\'' || exit \$?; fi' else postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; 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See . cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int test_pointer_size[sizeof (void *) - 5]; _ACEOF if ac_fn_c_try_compile "$LINENO" then : shlibpath_var=LD_LIBRARY_PATH else case e in #( e) shlibpath_var=LD_32_LIBRARY_PATH ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;; *) shlibpath_var=LD_LIBRARY_PATH ;; esac case $host_os in freebsd2.*) shlibpath_overrides_runpath=yes ;; freebsd3.[01]* | freebsdelf3.[01]*) shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; *) # from 4.6 on, and DragonFly shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec='/boot/system/non-packaged/develop/lib /boot/system/develop/lib' sys_lib_dlsearch_path_spec='/boot/home/config/non-packaged/lib /boot/home/config/lib /boot/system/non-packaged/lib /boot/system/lib' hardcode_into_libs=no ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # -rpath works at least for libraries that are not overridden by # libraries installed in system locations. hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if test ${lt_cv_shlibpath_overrides_runpath+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir ;; esac fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Add ABI-specific directories to the system library path. sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib" # Ideally, we could use ldconfig to report *all* directories which are # searched for libraries, however this is still not possible. 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Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsdelf*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='NetBSD ld.elf_so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; *-mlibc) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='mlibc ld.so' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; rdos*) dynamic_linker=no ;; serenity*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no dynamic_linker='SerenityOS LibELF' ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test yes = "$with_gnu_ld"; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec; then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' soname_spec='$libname$shared_ext.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=sco need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test yes = "$with_gnu_ld"; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; emscripten*) version_type=none need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= dynamic_linker="Emscripten linker" lt_prog_compiler_wl= lt_prog_compiler_pic= lt_prog_compiler_static= if test yes = "$GCC"; then lt_prog_compiler_wl='-Wl,' lt_prog_compiler_static='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' fi lt_prog_compiler_pic='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support lt_prog_compiler_pic='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | windows* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. lt_prog_compiler_static= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) lt_prog_compiler_pic='-fPIC' ;; esac ;; interix[3-9]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. lt_prog_compiler_can_build_shared=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic=-Kconform_pic fi ;; *) lt_prog_compiler_pic='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 lt_prog_compiler_wl='-Xlinker ' if test -n "$lt_prog_compiler_pic"; then lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) lt_prog_compiler_wl='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' else lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; esac ;; mingw* | windows* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) lt_prog_compiler_wl='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) lt_prog_compiler_pic='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? lt_prog_compiler_static='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) lt_prog_compiler_wl='-Wl,' # PIC (with -KPIC) is the default. lt_prog_compiler_static='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-static' ;; *flang* | ftn | f18* | f95*) # Flang compiler. lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # Lahey Fortran 8.1. lf95*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='--shared' lt_prog_compiler_static='--static' ;; nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; ccc*) lt_prog_compiler_wl='-Wl,' # All Alpha code is PIC. lt_prog_compiler_static='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-qpic' lt_prog_compiler_static='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='' ;; *Sun\ F* | *Sun*Fortran*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Wl,' ;; *Intel*\ [CF]*Compiler*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; *Portland\ Group*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; esac ;; esac ;; newsos6) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; *-mlibc) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; osf3* | osf4* | osf5*) lt_prog_compiler_wl='-Wl,' # All OSF/1 code is PIC. lt_prog_compiler_static='-non_shared' ;; rdos*) lt_prog_compiler_static='-non_shared' ;; serenity*) ;; solaris*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) lt_prog_compiler_wl='-Qoption ld ';; *) lt_prog_compiler_wl='-Wl,';; esac ;; sunos4*) lt_prog_compiler_wl='-Qoption ld ' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic='-Kconform_pic' lt_prog_compiler_static='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; unicos*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_can_build_shared=no ;; uts4*) lt_prog_compiler_pic='-pic' lt_prog_compiler_static='-Bstatic' ;; *) lt_prog_compiler_can_build_shared=no ;; esac fi case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) lt_prog_compiler_pic= ;; *) lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 printf %s "checking for $compiler option to produce PIC... " >&6; } if test ${lt_cv_prog_compiler_pic+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_pic=$lt_prog_compiler_pic ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; } lt_prog_compiler_pic=$lt_cv_prog_compiler_pic # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } if test ${lt_cv_prog_compiler_pic_works+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_pic_works=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_pic_works=yes fi fi $RM conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; } if test yes = "$lt_cv_prog_compiler_pic_works"; then case $lt_prog_compiler_pic in "" | " "*) ;; *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; esac else lt_prog_compiler_pic= lt_prog_compiler_can_build_shared=no fi fi # # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } if test ${lt_cv_prog_compiler_static_works+y} then : printf %s "(cached) " >&6 else case e in #( e) lt_cv_prog_compiler_static_works=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $lt_tmp_static_flag" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_static_works=yes fi else lt_cv_prog_compiler_static_works=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; } if test yes = "$lt_cv_prog_compiler_static_works"; then : else lt_prog_compiler_static= fi ='-fPIC' archive_cmds='$CC -sSIDE_MODULE=2 -shared $libobjs $deplibs $compiler_flags -o $lib' archive_expsym_cmds='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -sSIDE_MODULE=2 -shared $libobjs $deplibs $compiler_flags -o $lib -s EXPORTED_FUNCTIONS=@$output_objdir/$soname.expsym' archive_cmds_need_lc=no no_undefined_flag= ;; *) dynamic_linker=no ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 printf "%s\n" "$dynamic_linker" >&6; } test no = "$dynamic_linker" && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test yes = "$GCC"; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec fi if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec fi # remember unaugmented sys_lib_dlsearch_path content for libtool script decls... configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec # ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" # to be used as default LT_SYS_LIBRARY_PATH value in generated libtool configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 printf %s "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test yes = "$hardcode_automatic"; then # We can hardcode non-existent directories. if test no != "$hardcode_direct" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && test no != "$hardcode_minus_L"; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 printf "%s\n" "$hardcode_action" >&6; } if test relink = "$hardcode_action" || test yes = "$inherit_rpath"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | windows* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char dlopen (void); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else case e in #( e) ac_cv_lib_dl_dlopen=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else case e in #( e) lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; esac fi ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes then : lt_cv_dlopen=shl_load else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 printf %s "checking for shl_load in -ldld... " >&6; } if test ${ac_cv_lib_dld_shl_load+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char shl_load (void); int main (void) { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dld_shl_load=yes else case e in #( e) ac_cv_lib_dld_shl_load=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes then : lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld else case e in #( e) ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes then : lt_cv_dlopen=dlopen else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char dlopen (void); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else case e in #( e) ac_cv_lib_dl_dlopen=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 printf %s "checking for dlopen in -lsvld... " >&6; } if test ${ac_cv_lib_svld_dlopen+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char dlopen (void); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_svld_dlopen=yes else case e in #( e) ac_cv_lib_svld_dlopen=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 printf "%s\n" "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 printf %s "checking for dld_link in -ldld... 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The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char dld_link (void); int main (void) { return dld_link (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dld_dld_link=yes else case e in #( e) ac_cv_lib_dld_dld_link=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 printf "%s\n" "$ac_cv_lib_dld_dld_link" >&6; } if test "x$ac_cv_lib_dld_dld_link" = xyes then : lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld fi ;; esac fi ;; esac fi ;; esac fi ;; esac fi ;; esac fi ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 printf %s "checking whether a program can dlopen itself... " >&6; } if test ${lt_cv_dlopen_self+y} then : printf %s "(cached) " >&6 else case e in #( e) if test yes = "$cross_compiling"; then : lt_cv_dlopen_self=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord (void) __attribute__((visibility("default"))); #endif int fnord (void) { return 42; } int main (void) { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; esac else : # compilation failed lt_cv_dlopen_self=no fi fi rm -fr conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 printf "%s\n" "$lt_cv_dlopen_self" >&6; } if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 printf %s "checking whether a statically linked program can dlopen itself... " >&6; } if test ${lt_cv_dlopen_self_static+y} then : printf %s "(cached) " >&6 else case e in #( e) if test yes = "$cross_compiling"; then : lt_cv_dlopen_self_static=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord (void) __attribute__((visibility("default"))); #endif int fnord (void) { return 42; } int main (void) { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; esac else : # compilation failed lt_cv_dlopen_self_static=no fi fi rm -fr conftest* ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 printf "%s\n" "$lt_cv_dlopen_self_static" >&6; } fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi striplib= old_striplib= { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 printf %s "checking whether stripping libraries is possible... " >&6; } if test -z "$STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } else if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else case $host_os in darwin*) # FIXME - insert some real tests, host_os isn't really good enough striplib="$STRIP -x" old_striplib="$STRIP -S" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } ;; freebsd*) if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi fi # Report what library types will actually be built { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 printf %s "checking if libtool supports shared libraries... 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" >&6; } if test ${ac_cv_prog_DD+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$DD"; then ac_cv_prog_DD="$DD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DD="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi DD=$ac_cv_prog_DD if test -n "$DD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DD" >&5 printf "%s\n" "$DD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$DD" && break done test -n "$DD" || DD="dd" for ac_prog in grealpath realpath do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_REALPATH+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$REALPATH"; then ac_cv_prog_REALPATH="$REALPATH" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_REALPATH="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi REALPATH=$ac_cv_prog_REALPATH if test -n "$REALPATH"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $REALPATH" >&5 printf "%s\n" "$REALPATH" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$REALPATH" && break done test -n "$REALPATH" || REALPATH="realpath" for ac_prog in gstat stat do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_STAT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$STAT"; then ac_cv_prog_STAT="$STAT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_STAT="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi STAT=$ac_cv_prog_STAT if test -n "$STAT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STAT" >&5 printf "%s\n" "$STAT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$STAT" && break done test -n "$STAT" || STAT="stat" for ac_prog in gtr tr do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_TR+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$TR"; then ac_cv_prog_TR="$TR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_TR="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi TR=$ac_cv_prog_TR if test -n "$TR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $TR" >&5 printf "%s\n" "$TR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$TR" && break done test -n "$TR" || TR="tr" for ac_prog in gtruncate truncate do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_TRUNCATE+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$TRUNCATE"; then ac_cv_prog_TRUNCATE="$TRUNCATE" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_TRUNCATE="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi TRUNCATE=$ac_cv_prog_TRUNCATE if test -n "$TRUNCATE"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $TRUNCATE" >&5 printf "%s\n" "$TRUNCATE" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$TRUNCATE" && break done test -n "$TRUNCATE" || TRUNCATE="truncate" bash=`which bash` { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the major version of $bash" >&5 printf %s "checking for the major version of $bash... " >&6; } bash_major=`bash -c 'echo ${BASH_VERSINFO:-0}'` { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $bash_major" >&5 printf "%s\n" "$bash_major" >&6; } if test $bash_major -lt 4 then : as_fn_error $? " Your bash shell ($bash) is older than version 4. If you are using macOS, please install the latest version of bash from homebrew or macports. If you have installed the latest bash and this error is still showing up, check that \$PATH is set correctly. " "$LINENO" 5 fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi else CC="$ac_cv_prog_CC" fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. set dummy ${ac_tool_prefix}cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else ac_prog_rejected=no as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@" fi fi fi ;; esac fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl.exe do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$CC" && break done fi if test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cl.exe do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_CC" && break done if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args. set dummy ${ac_tool_prefix}clang; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}clang" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "clang", so it can be a program name with args. set dummy clang; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="clang" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi else CC="$ac_cv_prog_CC" fi fi test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;} as_fn_error $? "no acceptable C compiler found in \$PATH See 'config.log' for more details" "$LINENO" 5; } # Provide some information about the compiler. printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 set X $ac_compile ac_compiler=$2 for ac_option in --version -v -V -qversion -version; do { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" printf "%s\n" "$ac_try_echo"; } >&5 (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? if test -s conftest.err; then sed '10a\ ... rest of stderr output deleted ... 10q' conftest.err >conftest.er1 cat conftest.er1 >&5 fi rm -f conftest.er1 conftest.err printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } done { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5 printf %s "checking whether the compiler supports GNU C... " >&6; } if test ${ac_cv_c_compiler_gnu+y} then : printf %s "(cached) " >&6 else case e in #( e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { #ifndef __GNUC__ choke me #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_compiler_gnu=yes else case e in #( e) ac_compiler_gnu=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_cv_c_compiler_gnu=$ac_compiler_gnu ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; } ac_compiler_gnu=$ac_cv_c_compiler_gnu if test $ac_compiler_gnu = yes; then GCC=yes else GCC= fi ac_test_CFLAGS=${CFLAGS+y} ac_save_CFLAGS=$CFLAGS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 printf %s "checking whether $CC accepts -g... 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The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char pthread_join (void); int main (void) { return pthread_join (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ax_pthread_ok=yes fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 printf "%s\n" "$ax_pthread_ok" >&6; } if test "x$ax_pthread_ok" = "xno"; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi CC="$ax_pthread_save_CC" CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" fi # We must check for the threads library under a number of different # names; the ordering is very important because some systems # (e.g. DEC) have both -lpthread and -lpthreads, where one of the # libraries is broken (non-POSIX). # Create a list of thread flags to try. Items with a "," contain both # C compiler flags (before ",") and linker flags (after ","). Other items # starting with a "-" are C compiler flags, and remaining items are # library names, except for "none" which indicates that we try without # any flags at all, and "pthread-config" which is a program returning # the flags for the Pth emulation library. ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" # The ordering *is* (sometimes) important. Some notes on the # individual items follow: # pthreads: AIX (must check this before -lpthread) # none: in case threads are in libc; should be tried before -Kthread and # other compiler flags to prevent continual compiler warnings # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) # -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64 # (Note: HP C rejects this with "bad form for `-t' option") # -pthreads: Solaris/gcc (Note: HP C also rejects) # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it # doesn't hurt to check since this sometimes defines pthreads and # -D_REENTRANT too), HP C (must be checked before -lpthread, which # is present but should not be used directly; and before -mthreads, # because the compiler interprets this as "-mt" + "-hreads") # -mthreads: Mingw32/gcc, Lynx/gcc # pthread: Linux, etcetera # --thread-safe: KAI C++ # pthread-config: use pthread-config program (for GNU Pth library) case $host_os in freebsd*) # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) ax_pthread_flags="-kthread lthread $ax_pthread_flags" ;; hpux*) # From the cc(1) man page: "[-mt] Sets various -D flags to enable # multi-threading and also sets -lpthread." ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags" ;; openedition*) # IBM z/OS requires a feature-test macro to be defined in order to # enable POSIX threads at all, so give the user a hint if this is # not set. (We don't define these ourselves, as they can affect # other portions of the system API in unpredictable ways.) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ # if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS) AX_PTHREAD_ZOS_MISSING # endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP_TRADITIONAL "AX_PTHREAD_ZOS_MISSING" >/dev/null 2>&1 then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support." >&5 printf "%s\n" "$as_me: WARNING: IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support." >&2;} fi rm -rf conftest* ;; solaris*) # On Solaris (at least, for some versions), libc contains stubbed # (non-functional) versions of the pthreads routines, so link-based # tests will erroneously succeed. (N.B.: The stubs are missing # pthread_cleanup_push, or rather a function called by this macro, # so we could check for that, but who knows whether they'll stub # that too in a future libc.) So we'll check first for the # standard Solaris way of linking pthreads (-mt -lpthread). ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags" ;; esac # Are we compiling with Clang? { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC is Clang" >&5 printf %s "checking whether $CC is Clang... " >&6; } if test ${ax_cv_PTHREAD_CLANG+y} then : printf %s "(cached) " >&6 else case e in #( e) ax_cv_PTHREAD_CLANG=no # Note that Autoconf sets GCC=yes for Clang as well as GCC if test "x$GCC" = "xyes"; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Note: Clang 2.7 lacks __clang_[a-z]+__ */ # if defined(__clang__) && defined(__llvm__) AX_PTHREAD_CC_IS_CLANG # endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP_TRADITIONAL "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1 then : ax_cv_PTHREAD_CLANG=yes fi rm -rf conftest* fi ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG" >&5 printf "%s\n" "$ax_cv_PTHREAD_CLANG" >&6; } ax_pthread_clang="$ax_cv_PTHREAD_CLANG" # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) # Note that for GCC and Clang -pthread generally implies -lpthread, # except when -nostdlib is passed. # This is problematic using libtool to build C++ shared libraries with pthread: # [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460 # [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333 # [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555 # To solve this, first try -pthread together with -lpthread for GCC if test "x$GCC" = "xyes" then : ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags" fi # Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first if test "x$ax_pthread_clang" = "xyes" then : ax_pthread_flags="-pthread,-lpthread -pthread" fi # The presence of a feature test macro requesting re-entrant function # definitions is, on some systems, a strong hint that pthreads support is # correctly enabled case $host_os in darwin* | hpux* | linux* | osf* | solaris*) ax_pthread_check_macro="_REENTRANT" ;; aix*) ax_pthread_check_macro="_THREAD_SAFE" ;; *) ax_pthread_check_macro="--" ;; esac if test "x$ax_pthread_check_macro" = "x--" then : ax_pthread_check_cond=0 else case e in #( e) ax_pthread_check_cond="!defined($ax_pthread_check_macro)" ;; esac fi if test "x$ax_pthread_ok" = "xno"; then for ax_pthread_try_flag in $ax_pthread_flags; do case $ax_pthread_try_flag in none) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5 printf %s "checking whether pthreads work without any flags... " >&6; } ;; *,*) PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"` PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"` { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with \"$PTHREAD_CFLAGS\" and \"$PTHREAD_LIBS\"" >&5 printf %s "checking whether pthreads work with \"$PTHREAD_CFLAGS\" and \"$PTHREAD_LIBS\"... " >&6; } ;; -*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $ax_pthread_try_flag" >&5 printf %s "checking whether pthreads work with $ax_pthread_try_flag... " >&6; } PTHREAD_CFLAGS="$ax_pthread_try_flag" ;; pthread-config) # Extract the first word of "pthread-config", so it can be a program name with args. set dummy pthread-config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ax_pthread_config+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ax_pthread_config"; then ac_cv_prog_ax_pthread_config="$ax_pthread_config" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ax_pthread_config="yes" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_ax_pthread_config" && ac_cv_prog_ax_pthread_config="no" fi ;; esac fi ax_pthread_config=$ac_cv_prog_ax_pthread_config if test -n "$ax_pthread_config"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_config" >&5 printf "%s\n" "$ax_pthread_config" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ax_pthread_config" = "xno" then : continue fi PTHREAD_CFLAGS="`pthread-config --cflags`" PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$ax_pthread_try_flag" >&5 printf %s "checking for the pthreads library -l$ax_pthread_try_flag... " >&6; } PTHREAD_LIBS="-l$ax_pthread_try_flag" ;; esac ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we # need a special flag -Kthread to make this header compile.) # We check for pthread_join because it is in -lpthread on IRIX # while pthread_create is in libc. We check for pthread_attr_init # due to DEC craziness with -lpthreads. We check for # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include # if $ax_pthread_check_cond # error "$ax_pthread_check_macro must be defined" # endif static void *some_global = NULL; static void routine(void *a) { /* To avoid any unused-parameter or unused-but-set-parameter warning. */ some_global = a; } static void *start_routine(void *a) { return a; } int main (void) { pthread_t th; pthread_attr_t attr; pthread_create(&th, 0, start_routine, 0); pthread_join(th, 0); pthread_attr_init(&attr); pthread_cleanup_push(routine, 0); pthread_cleanup_pop(0) /* ; */ ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ax_pthread_ok=yes fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 printf "%s\n" "$ax_pthread_ok" >&6; } if test "x$ax_pthread_ok" = "xyes" then : break fi PTHREAD_LIBS="" PTHREAD_CFLAGS="" done fi # Clang needs special handling, because older versions handle the -pthread # option in a rather... idiosyncratic way if test "x$ax_pthread_clang" = "xyes"; then # Clang takes -pthread; it has never supported any other flag # (Note 1: This will need to be revisited if a system that Clang # supports has POSIX threads in a separate library. This tends not # to be the way of modern systems, but it's conceivable.) # (Note 2: On some systems, notably Darwin, -pthread is not needed # to get POSIX threads support; the API is always present and # active. We could reasonably leave PTHREAD_CFLAGS empty. But # -pthread does define _REENTRANT, and while the Darwin headers # ignore this macro, third-party headers might not.) # However, older versions of Clang make a point of warning the user # that, in an invocation where only linking and no compilation is # taking place, the -pthread option has no effect ("argument unused # during compilation"). They expect -pthread to be passed in only # when source code is being compiled. # # Problem is, this is at odds with the way Automake and most other # C build frameworks function, which is that the same flags used in # compilation (CFLAGS) are also used in linking. Many systems # supported by AX_PTHREAD require exactly this for POSIX threads # support, and in fact it is often not straightforward to specify a # flag that is used only in the compilation phase and not in # linking. Such a scenario is extremely rare in practice. # # Even though use of the -pthread flag in linking would only print # a warning, this can be a nuisance for well-run software projects # that build with -Werror. So if the active version of Clang has # this misfeature, we search for an option to squash it. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread" >&5 printf %s "checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread... " >&6; } if test ${ax_cv_PTHREAD_CLANG_NO_WARN_FLAG+y} then : printf %s "(cached) " >&6 else case e in #( e) ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown # Create an alternate version of $ac_link that compiles and # links in two steps (.c -> .o, .o -> exe) instead of one # (.c -> exe), because the warning occurs only in the second # step ax_pthread_save_ac_link="$ac_link" ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g' ax_pthread_link_step=`printf "%s\n" "$ac_link" | sed "$ax_pthread_sed"` ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)" ax_pthread_save_CFLAGS="$CFLAGS" for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do if test "x$ax_pthread_try" = "xunknown" then : break fi CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS" ac_link="$ax_pthread_save_ac_link" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(void){return 0;} _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_link="$ax_pthread_2step_ac_link" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(void){return 0;} _ACEOF if ac_fn_c_try_link "$LINENO" then : break fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext done ac_link="$ax_pthread_save_ac_link" CFLAGS="$ax_pthread_save_CFLAGS" if test "x$ax_pthread_try" = "x" then : ax_pthread_try=no fi ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try" ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&5 printf "%s\n" "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&6; } case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in no | unknown) ;; *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;; esac fi # $ax_pthread_clang = yes # Various other checks: if test "x$ax_pthread_ok" = "xyes"; then ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5 printf %s "checking for joinable pthread attribute... " >&6; } if test ${ax_cv_PTHREAD_JOINABLE_ATTR+y} then : printf %s "(cached) " >&6 else case e in #( e) ax_cv_PTHREAD_JOINABLE_ATTR=unknown for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { int attr = $ax_pthread_attr; return attr /* ; */ ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext done ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_JOINABLE_ATTR" >&5 printf "%s\n" "$ax_cv_PTHREAD_JOINABLE_ATTR" >&6; } if test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \ test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \ test "x$ax_pthread_joinable_attr_defined" != "xyes" then : printf "%s\n" "#define PTHREAD_CREATE_JOINABLE $ax_cv_PTHREAD_JOINABLE_ATTR" >>confdefs.h ax_pthread_joinable_attr_defined=yes fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether more special flags are required for pthreads" >&5 printf %s "checking whether more special flags are required for pthreads... " >&6; } if test ${ax_cv_PTHREAD_SPECIAL_FLAGS+y} then : printf %s "(cached) " >&6 else case e in #( e) ax_cv_PTHREAD_SPECIAL_FLAGS=no case $host_os in solaris*) ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS" ;; esac ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_SPECIAL_FLAGS" >&5 printf "%s\n" "$ax_cv_PTHREAD_SPECIAL_FLAGS" >&6; } if test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \ test "x$ax_pthread_special_flags_added" != "xyes" then : PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS" ax_pthread_special_flags_added=yes fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for PTHREAD_PRIO_INHERIT" >&5 printf %s "checking for PTHREAD_PRIO_INHERIT... " >&6; } if test ${ax_cv_PTHREAD_PRIO_INHERIT+y} then : printf %s "(cached) " >&6 else case e in #( e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { int i = PTHREAD_PRIO_INHERIT; return i; ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ax_cv_PTHREAD_PRIO_INHERIT=yes else case e in #( e) ax_cv_PTHREAD_PRIO_INHERIT=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5 printf "%s\n" "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; } if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \ test "x$ax_pthread_prio_inherit_defined" != "xyes" then : printf "%s\n" "#define HAVE_PTHREAD_PRIO_INHERIT 1" >>confdefs.h ax_pthread_prio_inherit_defined=yes fi CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" # More AIX lossage: compile with *_r variant if test "x$GCC" != "xyes"; then case $host_os in aix*) case "x/$CC" in #( x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6) : #handle absolute path differently from PATH based program lookup case "x$CC" in #( x/*) : if as_fn_executable_p ${CC}_r then : PTHREAD_CC="${CC}_r" fi if test "x${CXX}" != "x" then : if as_fn_executable_p ${CXX}_r then : PTHREAD_CXX="${CXX}_r" fi fi ;; #( *) : for ac_prog in ${CC}_r do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; 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*-mlibc) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='mlibc ld.so' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; 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"cannot make $CC report undeclared builtins See 'config.log' for more details" "$LINENO" 5; } ;; #( 'none needed') : ac_c_undeclared_builtin_options='' ;; #( *) : ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;; esac as_ac_Symbol=`printf "%s\n" "ac_cv_have_decl___builtin_add_overflow(int, int, int *)" | sed "$as_sed_sh"` ac_fn_check_decl "$LINENO" "__builtin_add_overflow(int, int, int *)" "$as_ac_Symbol" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS" if eval test \"x\$"$as_ac_Symbol"\" = x"yes" then : ac_have_decl=1 else case e in #( e) ac_have_decl=0 ;; esac fi printf "%s\n" "#define HAVE_DECL___BUILTIN_ADD_OVERFLOW $ac_have_decl" >>confdefs.h as_ac_Symbol=`printf "%s\n" "ac_cv_have_decl___builtin_mul_overflow(int, int, int *)" | sed "$as_sed_sh"` ac_fn_check_decl "$LINENO" "__builtin_mul_overflow(int, int, int *)" "$as_ac_Symbol" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS" if eval test \"x\$"$as_ac_Symbol"\" = x"yes" then : ac_have_decl=1 else case e in #( e) ac_have_decl=0 ;; esac fi printf "%s\n" "#define HAVE_DECL___BUILTIN_MUL_OVERFLOW $ac_have_decl" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if __auto_type is available in this compiler" >&5 printf %s "checking if __auto_type is available in this compiler... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ static int test (int a) { __auto_type at = a; return at; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "%s\n" "#define HAVE_AUTO_TYPE 1" >>confdefs.h else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like 'int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long" >&5 printf %s "checking size of long... " >&6; } if test ${ac_cv_sizeof_long+y} then : printf %s "(cached) " >&6 else case e in #( e) if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long" "$ac_includes_default" then : else case e in #( e) if test "$ac_cv_type_long" = yes; then { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;} as_fn_error 77 "cannot compute sizeof (long) See 'config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_long=0 fi ;; esac fi ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5 printf "%s\n" "$ac_cv_sizeof_long" >&6; } printf "%s\n" "#define SIZEOF_LONG $ac_cv_sizeof_long" >>confdefs.h ac_fn_c_check_header_compile "$LINENO" "byteswap.h" "ac_cv_header_byteswap_h" "$ac_includes_default" if test "x$ac_cv_header_byteswap_h" = xyes then : printf "%s\n" "#define HAVE_BYTESWAP_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "endian.h" "ac_cv_header_endian_h" "$ac_includes_default" if test "x$ac_cv_header_endian_h" = xyes then : printf "%s\n" "#define HAVE_ENDIAN_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "linux/fs.h" "ac_cv_header_linux_fs_h" "$ac_includes_default" if test "x$ac_cv_header_linux_fs_h" = xyes then : printf "%s\n" "#define HAVE_LINUX_FS_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "linux/userfaultfd.h" "ac_cv_header_linux_userfaultfd_h" "$ac_includes_default" if test "x$ac_cv_header_linux_userfaultfd_h" = xyes then : printf "%s\n" "#define HAVE_LINUX_USERFAULTFD_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "stdatomic.h" "ac_cv_header_stdatomic_h" "$ac_includes_default" if test "x$ac_cv_header_stdatomic_h" = xyes then : printf "%s\n" "#define HAVE_STDATOMIC_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/disk.h" "ac_cv_header_sys_disk_h" "$ac_includes_default" if test "x$ac_cv_header_sys_disk_h" = xyes then : printf "%s\n" "#define HAVE_SYS_DISK_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/disklabel.h" "ac_cv_header_sys_disklabel_h" "$ac_includes_default" if test "x$ac_cv_header_sys_disklabel_h" = xyes then : printf "%s\n" "#define HAVE_SYS_DISKLABEL_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/endian.h" "ac_cv_header_sys_endian_h" "$ac_includes_default" if test "x$ac_cv_header_sys_endian_h" = xyes then : printf "%s\n" "#define HAVE_SYS_ENDIAN_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default" if test "x$ac_cv_header_sys_ioctl_h" = xyes then : printf "%s\n" "#define HAVE_SYS_IOCTL_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/syscall.h" "ac_cv_header_sys_syscall_h" "$ac_includes_default" if test "x$ac_cv_header_sys_syscall_h" = xyes then : printf "%s\n" "#define HAVE_SYS_SYSCALL_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "linux/vm_sockets.h" "ac_cv_header_linux_vm_sockets_h" " #include " if test "x$ac_cv_header_linux_vm_sockets_h" = xyes then : printf "%s\n" "#define HAVE_LINUX_VM_SOCKETS_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/vsock.h" "ac_cv_header_sys_vsock_h" " #include " if test "x$ac_cv_header_sys_vsock_h" = xyes then : printf "%s\n" "#define HAVE_SYS_VSOCK_H 1" >>confdefs.h fi ac_fn_c_check_type "$LINENO" "struct sockaddr_vm" "ac_cv_type_struct_sockaddr_vm" " #include #ifdef HAVE_LINUX_VM_SOCKETS_H #include #elif HAVE_SYS_VSOCK_H #include #endif #ifndef AF_VSOCK #error \"no vsock support\" #endif " if test "x$ac_cv_type_struct_sockaddr_vm" = xyes then : printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_VM 1" >>confdefs.h fi ac_fn_c_check_func "$LINENO" "posix_fadvise" "ac_cv_func_posix_fadvise" if test "x$ac_cv_func_posix_fadvise" = xyes then : printf "%s\n" "#define HAVE_POSIX_FADVISE 1" >>confdefs.h fi ac_fn_c_check_func "$LINENO" "posix_memalign" "ac_cv_func_posix_memalign" if test "x$ac_cv_func_posix_memalign" = xyes then : printf "%s\n" "#define HAVE_POSIX_MEMALIGN 1" >>confdefs.h fi ac_fn_c_check_func "$LINENO" "prctl" "ac_cv_func_prctl" if test "x$ac_cv_func_prctl" = xyes then : printf "%s\n" "#define HAVE_PRCTL 1" >>confdefs.h fi ac_fn_c_check_func "$LINENO" "strcasestr" "ac_cv_func_strcasestr" if test "x$ac_cv_func_strcasestr" = xyes then : printf "%s\n" "#define HAVE_STRCASESTR 1" >>confdefs.h fi ac_fn_c_check_func "$LINENO" "strerrordesc_np" "ac_cv_func_strerrordesc_np" if test "x$ac_cv_func_strerrordesc_np" = xyes then : printf "%s\n" "#define HAVE_STRERRORDESC_NP 1" >>confdefs.h fi ac_fn_c_check_func "$LINENO" "valloc" "ac_cv_func_valloc" if test "x$ac_cv_func_valloc" = xyes then : printf "%s\n" "#define HAVE_VALLOC 1" >>confdefs.h fi ac_fn_check_decl "$LINENO" "sys_errlist" "ac_cv_have_decl_sys_errlist" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS" if test "x$ac_cv_have_decl_sys_errlist" = xyes then : ac_have_decl=1 else case e in #( e) ac_have_decl=0 ;; esac fi printf "%s\n" "#define HAVE_DECL_SYS_ERRLIST $ac_have_decl" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char dlopen (void); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else case e in #( e) ac_cv_lib_dl_dlopen=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : have_libdl=yes else case e in #( e) have_libdl=no ;; esac fi for ac_header in dlfcn.h do : ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default" if test "x$ac_cv_header_dlfcn_h" = xyes then : printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h have_dlfcn=yes else case e in #( e) have_dlfcn=no ;; esac fi done if test "x$have_libdl" = "xyes" && test "x$have_dlfcn" = "xyes"; then HAVE_LIBDL_TRUE= HAVE_LIBDL_FALSE='#' else HAVE_LIBDL_TRUE='#' HAVE_LIBDL_FALSE= fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if this is glibc >= 2.34" >&5 printf %s "checking if this is glibc >= 2.34... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #if !defined(__GLIBC__) || __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 34) #error "not glibc 2.34" #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : if (LD_PRELOAD=libc_malloc_debug.so.0 /bin/true) 2>&1 | grep .; then is_glibc_234='missing suitable libc_malloc_debug.so.0' else is_glibc_234=yes fi else case e in #( e) is_glibc_234=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $is_glibc_234" >&5 printf "%s\n" "$is_glibc_234" >&6; } if test "x$is_glibc_234" = "xyes"; then HAVE_GLIBC_234_TRUE= HAVE_GLIBC_234_FALSE='#' else HAVE_GLIBC_234_TRUE='#' HAVE_GLIBC_234_FALSE= fi # Check whether --with-gnutls was given. if test ${with_gnutls+y} then : withval=$with_gnutls; else case e in #( e) with_gnutls=check ;; esac fi if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_PKG_CONFIG+y} then : printf %s "(cached) " >&6 else case e in #( e) case $PKG_CONFIG in [\\/]* | ?:[\\/]*) ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac ;; esac fi PKG_CONFIG=$ac_cv_path_PKG_CONFIG if test -n "$PKG_CONFIG"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 printf "%s\n" "$PKG_CONFIG" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_path_PKG_CONFIG"; then ac_pt_PKG_CONFIG=$PKG_CONFIG # Extract the first word of "pkg-config", so it can be a program name with args. set dummy pkg-config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_ac_pt_PKG_CONFIG+y} then : printf %s "(cached) " >&6 else case e in #( e) case $ac_pt_PKG_CONFIG in [\\/]* | ?:[\\/]*) ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_ac_pt_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac ;; esac fi ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG if test -n "$ac_pt_PKG_CONFIG"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_pt_PKG_CONFIG" = x; then PKG_CONFIG="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac PKG_CONFIG=$ac_pt_PKG_CONFIG fi else PKG_CONFIG="$ac_cv_path_PKG_CONFIG" fi fi if test -n "$PKG_CONFIG"; then _pkg_min_version=0.9.0 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 printf %s "checking pkg-config is at least version $_pkg_min_version... " >&6; } if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } PKG_CONFIG="" fi fi if test -z "$PKG_CONFIG"; then as_fn_error $? "pkg-config not found" "$LINENO" 5 fi if test "$with_gnutls" != "no" then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gnutls >= 3.5.18" >&5 printf %s "checking for gnutls >= 3.5.18... " >&6; } if test -n "$GNUTLS_CFLAGS"; then pkg_cv_GNUTLS_CFLAGS="$GNUTLS_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gnutls >= 3.5.18\""; } >&5 ($PKG_CONFIG --exists --print-errors "gnutls >= 3.5.18") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_GNUTLS_CFLAGS=`$PKG_CONFIG --cflags "gnutls >= 3.5.18" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$GNUTLS_LIBS"; then pkg_cv_GNUTLS_LIBS="$GNUTLS_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gnutls >= 3.5.18\""; } >&5 ($PKG_CONFIG --exists --print-errors "gnutls >= 3.5.18") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_GNUTLS_LIBS=`$PKG_CONFIG --libs "gnutls >= 3.5.18" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then GNUTLS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "gnutls >= 3.5.18" 2>&1` else GNUTLS_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "gnutls >= 3.5.18" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$GNUTLS_PKG_ERRORS" >&5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: gnutls not found or < 3.5.18, TLS support will be disabled." >&5 printf "%s\n" "$as_me: WARNING: gnutls not found or < 3.5.18, TLS support will be disabled." >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: gnutls not found or < 3.5.18, TLS support will be disabled." >&5 printf "%s\n" "$as_me: WARNING: gnutls not found or < 3.5.18, TLS support will be disabled." >&2;} else GNUTLS_CFLAGS=$pkg_cv_GNUTLS_CFLAGS GNUTLS_LIBS=$pkg_cv_GNUTLS_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "gnutls version is "; $PKG_CONFIG --modversion gnutls printf "%s\n" "#define HAVE_GNUTLS 1" >>confdefs.h fi fi if test "x$GNUTLS_LIBS" != "x"; then HAVE_GNUTLS_TRUE= HAVE_GNUTLS_FALSE='#' else HAVE_GNUTLS_TRUE='#' HAVE_GNUTLS_FALSE= fi if test "$GNUTLS_LIBS" != "" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for default TLS session priority string" >&5 printf %s "checking for default TLS session priority string... " >&6; } # Check whether --with-tls-priority was given. if test ${with_tls_priority+y} then : withval=$with_tls_priority; tls_priority=$withval else case e in #( e) tls_priority=NORMAL ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tls_priority" >&5 printf "%s\n" "$tls_priority" >&6; } printf "%s\n" "#define TLS_PRIORITY \"$tls_priority\"" >>confdefs.h # Check for working . This is only needed for # gnutls 3.7.9 and no other version (unfortunately used by Debian # 12 and others). In that release kTLS functionality was added to # incorrectly, before being moved to # in 3.8.0. breaks on # Windows, so we must make inclusion conditional. When we move # the minimum version of gnutls >= 3.8.0 we can get rid of this. old_CFLAGS="$CFLAGS" CFLAGS="$GNUTLS_CFLAGS $CFLAGS" ac_fn_c_check_header_compile "$LINENO" "gnutls/socket.h" "ac_cv_header_gnutls_socket_h" "$ac_includes_default" if test "x$ac_cv_header_gnutls_socket_h" = xyes then : printf "%s\n" "#define HAVE_GNUTLS_SOCKET_H 1" >>confdefs.h fi CFLAGS="$old_CFLAGS" # Check for APIs which may not be present. old_LIBS="$LIBS" LIBS="$GNUTLS_LIBS $LIBS" ac_fn_c_check_func "$LINENO" "gnutls_transport_is_ktls_enabled" "ac_cv_func_gnutls_transport_is_ktls_enabled" if test "x$ac_cv_func_gnutls_transport_is_ktls_enabled" = xyes then : printf "%s\n" "#define HAVE_GNUTLS_TRANSPORT_IS_KTLS_ENABLED 1" >>confdefs.h fi LIBS="$old_LIBS" fi for ac_prog in gnutls-certtool certtool do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CERTTOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$CERTTOOL"; then ac_cv_prog_CERTTOOL="$CERTTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CERTTOOL="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi CERTTOOL=$ac_cv_prog_CERTTOOL if test -n "$CERTTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CERTTOOL" >&5 printf "%s\n" "$CERTTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$CERTTOOL" && break done test -n "$CERTTOOL" || CERTTOOL="certtool" if test "x$CERTTOOL" != "x"; then HAVE_CERTTOOL_TRUE= HAVE_CERTTOOL_FALSE='#' else HAVE_CERTTOOL_TRUE='#' HAVE_CERTTOOL_FALSE= fi # Extract the first word of "psktool", so it can be a program name with args. set dummy psktool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_PSKTOOL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$PSKTOOL"; then ac_cv_prog_PSKTOOL="$PSKTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_PSKTOOL="psktool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi PSKTOOL=$ac_cv_prog_PSKTOOL if test -n "$PSKTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PSKTOOL" >&5 printf "%s\n" "$PSKTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$PSKTOOL" != "x"; then HAVE_PSKTOOL_TRUE= HAVE_PSKTOOL_FALSE='#' else HAVE_PSKTOOL_TRUE='#' HAVE_PSKTOOL_FALSE= fi # Check whether --with-libxml2 was given. if test ${with_libxml2+y} then : withval=$with_libxml2; else case e in #( e) with_libxml2=check ;; esac fi if test "$with_libxml2" != "no" then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libxml-2.0" >&5 printf %s "checking for libxml-2.0... " >&6; } if test -n "$LIBXML2_CFLAGS"; then pkg_cv_LIBXML2_CFLAGS="$LIBXML2_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libxml-2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "libxml-2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBXML2_CFLAGS=`$PKG_CONFIG --cflags "libxml-2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$LIBXML2_LIBS"; then pkg_cv_LIBXML2_LIBS="$LIBXML2_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libxml-2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "libxml-2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBXML2_LIBS=`$PKG_CONFIG --libs "libxml-2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then LIBXML2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libxml-2.0" 2>&1` else LIBXML2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libxml-2.0" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$LIBXML2_PKG_ERRORS" >&5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libxml2 not found, NBD URI support will be disabled." >&5 printf "%s\n" "$as_me: WARNING: libxml2 not found, NBD URI support will be disabled." >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libxml2 not found, NBD URI support will be disabled." >&5 printf "%s\n" "$as_me: WARNING: libxml2 not found, NBD URI support will be disabled." >&2;} else LIBXML2_CFLAGS=$pkg_cv_LIBXML2_CFLAGS LIBXML2_LIBS=$pkg_cv_LIBXML2_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "libxml2 version is "; $PKG_CONFIG --modversion libxml-2.0 printf "%s\n" "#define HAVE_LIBXML2 1" >>confdefs.h fi fi if test "x$LIBXML2_LIBS" != "x"; then HAVE_LIBXML2_TRUE= HAVE_LIBXML2_FALSE='#' else HAVE_LIBXML2_TRUE='#' HAVE_LIBXML2_FALSE= fi nbdkit_min_minor="12" ;# 1.12 nbdkit_plugins="file memory null pattern sh" # Extract the first word of "nbdkit", so it can be a program name with args. set dummy nbdkit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_NBDKIT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$NBDKIT"; then ac_cv_prog_NBDKIT="$NBDKIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_NBDKIT="nbdkit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi NBDKIT=$ac_cv_prog_NBDKIT if test -n "$NBDKIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NBDKIT" >&5 printf "%s\n" "$NBDKIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$NBDKIT" != "x" then : have_nbdkit_features=yes { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for nbdkit >= 1.$nbdkit_min_minor" >&5 printf %s "checking for nbdkit >= 1.$nbdkit_min_minor... " >&6; } nbdkit_minor="$( $NBDKIT --version | $SED 's/^nbdkit 1\.\([0-9]*\)\..*/\1/' )" if test $nbdkit_minor -ge $nbdkit_min_minor then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes (1.$nbdkit_minor)" >&5 printf "%s\n" "yes (1.$nbdkit_minor)" >&6; } printf "nbdkit version is "; $NBDKIT --version else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no (1.$nbdkit_minor)" >&5 printf "%s\n" "no (1.$nbdkit_minor)" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: nbdkit is too old, some tests will be disabled" >&5 printf "%s\n" "$as_me: WARNING: nbdkit is too old, some tests will be disabled" >&2;} have_nbdkit_features=no ;; esac fi for p in $nbdkit_plugins; do { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for nbdkit $p plugin" >&5 printf %s "checking for nbdkit $p plugin... " >&6; } if $NBDKIT $p --version >&5 2>&1 then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: nbdkit $p plugin is missing, some tests will be disabled" >&5 printf "%s\n" "$as_me: WARNING: nbdkit $p plugin is missing, some tests will be disabled" >&2;} have_nbdkit_features=no ;; esac fi done printf "%s\n" "#define NBDKIT \"$NBDKIT\"" >>confdefs.h fi if test "x$NBDKIT" != "x" && test "x$have_nbdkit_features" = "xyes"; then HAVE_NBDKIT_TRUE= HAVE_NBDKIT_FALSE='#' else HAVE_NBDKIT_TRUE='#' HAVE_NBDKIT_FALSE= fi # Extract the first word of "nbd-server", so it can be a program name with args. set dummy nbd-server; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_NBD_SERVER+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$NBD_SERVER"; then ac_cv_prog_NBD_SERVER="$NBD_SERVER" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_NBD_SERVER="nbd-server" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi NBD_SERVER=$ac_cv_prog_NBD_SERVER if test -n "$NBD_SERVER"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NBD_SERVER" >&5 printf "%s\n" "$NBD_SERVER" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$NBD_SERVER" != "x"; then HAVE_NBD_SERVER_TRUE= HAVE_NBD_SERVER_FALSE='#' else HAVE_NBD_SERVER_TRUE='#' HAVE_NBD_SERVER_FALSE= fi if test "x$NBD_SERVER" != "x" then : printf "%s\n" "#define NBD_SERVER \"$NBD_SERVER\"" >>confdefs.h printf "nbd-server version is "; $NBD_SERVER --version | head -1 fi # Extract the first word of "qemu-nbd", so it can be a program name with args. set dummy qemu-nbd; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_QEMU_NBD+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$QEMU_NBD"; then ac_cv_prog_QEMU_NBD="$QEMU_NBD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_QEMU_NBD="qemu-nbd" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi QEMU_NBD=$ac_cv_prog_QEMU_NBD if test -n "$QEMU_NBD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $QEMU_NBD" >&5 printf "%s\n" "$QEMU_NBD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$QEMU_NBD" != "x"; then HAVE_QEMU_NBD_TRUE= HAVE_QEMU_NBD_FALSE='#' else HAVE_QEMU_NBD_TRUE='#' HAVE_QEMU_NBD_FALSE= fi if test "x$QEMU_NBD" != "x" then : printf "%s\n" "#define QEMU_NBD \"$QEMU_NBD\"" >>confdefs.h printf "qemu-nbd version is "; $QEMU_NBD --version | head -1 fi # Extract the first word of "qemu-storage-daemon", so it can be a program name with args. set dummy qemu-storage-daemon; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_QEMU_STORAGE_DAEMON+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$QEMU_STORAGE_DAEMON"; then ac_cv_prog_QEMU_STORAGE_DAEMON="$QEMU_STORAGE_DAEMON" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_QEMU_STORAGE_DAEMON="qemu-storage-daemon" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi QEMU_STORAGE_DAEMON=$ac_cv_prog_QEMU_STORAGE_DAEMON if test -n "$QEMU_STORAGE_DAEMON"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $QEMU_STORAGE_DAEMON" >&5 printf "%s\n" "$QEMU_STORAGE_DAEMON" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$QEMU_STORAGE_DAEMON" != "x"; then HAVE_QEMU_STORAGE_DAEMON_TRUE= HAVE_QEMU_STORAGE_DAEMON_FALSE='#' else HAVE_QEMU_STORAGE_DAEMON_TRUE='#' HAVE_QEMU_STORAGE_DAEMON_FALSE= fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for glib-2.0" >&5 printf %s "checking for glib-2.0... " >&6; } if test -n "$GLIB_CFLAGS"; then pkg_cv_GLIB_CFLAGS="$GLIB_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "glib-2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_GLIB_CFLAGS=`$PKG_CONFIG --cflags "glib-2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$GLIB_LIBS"; then pkg_cv_GLIB_LIBS="$GLIB_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "glib-2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_GLIB_LIBS=`$PKG_CONFIG --libs "glib-2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then GLIB_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "glib-2.0" 2>&1` else GLIB_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "glib-2.0" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$GLIB_PKG_ERRORS" >&5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: glib2 not found, some examples will not be compiled" >&5 printf "%s\n" "$as_me: WARNING: glib2 not found, some examples will not be compiled" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: glib2 not found, some examples will not be compiled" >&5 printf "%s\n" "$as_me: WARNING: glib2 not found, some examples will not be compiled" >&2;} else GLIB_CFLAGS=$pkg_cv_GLIB_CFLAGS GLIB_LIBS=$pkg_cv_GLIB_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "glib2 version is "; $PKG_CONFIG --modversion glib-2.0 fi if test "x$GLIB_LIBS" != "x"; then HAVE_GLIB_TRUE= HAVE_GLIB_FALSE='#' else HAVE_GLIB_TRUE='#' HAVE_GLIB_FALSE= fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libev" >&5 printf %s "checking for libev... " >&6; } if test -n "$LIBEV_CFLAGS"; then pkg_cv_LIBEV_CFLAGS="$LIBEV_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libev\""; } >&5 ($PKG_CONFIG --exists --print-errors "libev") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBEV_CFLAGS=`$PKG_CONFIG --cflags "libev" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$LIBEV_LIBS"; then pkg_cv_LIBEV_LIBS="$LIBEV_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libev\""; } >&5 ($PKG_CONFIG --exists --print-errors "libev") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBEV_LIBS=`$PKG_CONFIG --libs "libev" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then LIBEV_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libev" 2>&1` else LIBEV_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libev" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$LIBEV_PKG_ERRORS" >&5 for ac_header in ev.h do : ac_fn_c_check_header_compile "$LINENO" "ev.h" "ac_cv_header_ev_h" "$ac_includes_default" if test "x$ac_cv_header_ev_h" = xyes then : printf "%s\n" "#define HAVE_EV_H 1" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ev_time in -lev" >&5 printf %s "checking for ev_time in -lev... " >&6; } if test ${ac_cv_lib_ev_ev_time+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-lev $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char ev_time (void); int main (void) { return ev_time (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_ev_ev_time=yes else case e in #( e) ac_cv_lib_ev_ev_time=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ev_ev_time" >&5 printf "%s\n" "$ac_cv_lib_ev_ev_time" >&6; } if test "x$ac_cv_lib_ev_ev_time" = xyes then : LIBEV_LIBS="-lev" else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libev not found, some examples will not be compiled" >&5 printf "%s\n" "$as_me: WARNING: libev not found, some examples will not be compiled" >&2;} ;; esac fi else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: ev.h not found, some examples will not be compiled" >&5 printf "%s\n" "$as_me: WARNING: ev.h not found, some examples will not be compiled" >&2;} ;; esac fi done elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } for ac_header in ev.h do : ac_fn_c_check_header_compile "$LINENO" "ev.h" "ac_cv_header_ev_h" "$ac_includes_default" if test "x$ac_cv_header_ev_h" = xyes then : printf "%s\n" "#define HAVE_EV_H 1" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ev_time in -lev" >&5 printf %s "checking for ev_time in -lev... " >&6; } if test ${ac_cv_lib_ev_ev_time+y} then : printf %s "(cached) " >&6 else case e in #( e) ac_check_lib_save_LIBS=$LIBS LIBS="-lev $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. The 'extern "C"' is for builds by C++ compilers; although this is not generally supported in C code supporting it here has little cost and some practical benefit (sr 110532). */ #ifdef __cplusplus extern "C" #endif char ev_time (void); int main (void) { return ev_time (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_ev_ev_time=yes else case e in #( e) ac_cv_lib_ev_ev_time=no ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ev_ev_time" >&5 printf "%s\n" "$ac_cv_lib_ev_ev_time" >&6; } if test "x$ac_cv_lib_ev_ev_time" = xyes then : LIBEV_LIBS="-lev" else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libev not found, some examples will not be compiled" >&5 printf "%s\n" "$as_me: WARNING: libev not found, some examples will not be compiled" >&2;} ;; esac fi else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: ev.h not found, some examples will not be compiled" >&5 printf "%s\n" "$as_me: WARNING: ev.h not found, some examples will not be compiled" >&2;} ;; esac fi done else LIBEV_CFLAGS=$pkg_cv_LIBEV_CFLAGS LIBEV_LIBS=$pkg_cv_LIBEV_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "libev version is "; $PKG_CONFIG --modversion libev fi if test "x$LIBEV_LIBS" != "x" then : old_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $LIBEV_CFLAGS -Werror=strict-aliasing -O2" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the compiler is new enough for good aliasing rules" >&5 printf %s "checking if the compiler is new enough for good aliasing rules... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include static void cb (struct ev_loop *l, ev_timer *t, int e) { } static ev_timer timer; int main (void) { ev_timer_init (&timer, cb, 0, .1); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } LIBEV_CFLAGS="$LIBEV_CFLAGS -Wno-strict-aliasing" ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext CFLAGS="$old_CFLAGS" fi if test "x$LIBEV_LIBS" != "x"; then HAVE_LIBEV_TRUE= HAVE_LIBEV_FALSE='#' else HAVE_LIBEV_TRUE='#' HAVE_LIBEV_FALSE= fi # Check whether --enable-fuse was given. if test ${enable_fuse+y} then : enableval=$enable_fuse; else case e in #( e) enable_fuse=yes ;; esac fi if test "x$enable_fuse" != "xno" then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fuse3" >&5 printf %s "checking for fuse3... " >&6; } if test -n "$FUSE_CFLAGS"; then pkg_cv_FUSE_CFLAGS="$FUSE_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fuse3\""; } >&5 ($PKG_CONFIG --exists --print-errors "fuse3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FUSE_CFLAGS=`$PKG_CONFIG --cflags "fuse3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$FUSE_LIBS"; then pkg_cv_FUSE_LIBS="$FUSE_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fuse3\""; } >&5 ($PKG_CONFIG --exists --print-errors "fuse3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FUSE_LIBS=`$PKG_CONFIG --libs "fuse3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then FUSE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "fuse3" 2>&1` else FUSE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "fuse3" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$FUSE_PKG_ERRORS" >&5 enable_fuse=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: FUSE 3 library and headers are missing, so optional nbdfuse program won't be built" >&5 printf "%s\n" "$as_me: WARNING: FUSE 3 library and headers are missing, so optional nbdfuse program won't be built" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } enable_fuse=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: FUSE 3 library and headers are missing, so optional nbdfuse program won't be built" >&5 printf "%s\n" "$as_me: WARNING: FUSE 3 library and headers are missing, so optional nbdfuse program won't be built" >&2;} else FUSE_CFLAGS=$pkg_cv_FUSE_CFLAGS FUSE_LIBS=$pkg_cv_FUSE_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "fuse3 version is "; $PKG_CONFIG --modversion fuse3 printf "%s\n" "#define HAVE_FUSE 1" >>confdefs.h fi fi if test "x$enable_fuse" != "xno"; then HAVE_FUSE_TRUE= HAVE_FUSE_FALSE='#' else HAVE_FUSE_TRUE='#' HAVE_FUSE_FALSE= fi # Check whether --enable-ublk was given. if test ${enable_ublk+y} then : enableval=$enable_ublk; else case e in #( e) enable_ublk=yes ;; esac fi if test "x$enable_ublk" != "xno" then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ublksrv" >&5 printf %s "checking for ublksrv... " >&6; } if test -n "$UBLKSRV_CFLAGS"; then pkg_cv_UBLKSRV_CFLAGS="$UBLKSRV_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ublksrv\""; } >&5 ($PKG_CONFIG --exists --print-errors "ublksrv") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_UBLKSRV_CFLAGS=`$PKG_CONFIG --cflags "ublksrv" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$UBLKSRV_LIBS"; then pkg_cv_UBLKSRV_LIBS="$UBLKSRV_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ublksrv\""; } >&5 ($PKG_CONFIG --exists --print-errors "ublksrv") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_UBLKSRV_LIBS=`$PKG_CONFIG --libs "ublksrv" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then UBLKSRV_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "ublksrv" 2>&1` else UBLKSRV_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "ublksrv" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$UBLKSRV_PKG_ERRORS" >&5 enable_ublk=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libublksrv (ublk server) library and headers are missing, so optional nbdublk program won't be built" >&5 printf "%s\n" "$as_me: WARNING: libublksrv (ublk server) library and headers are missing, so optional nbdublk program won't be built" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } enable_ublk=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libublksrv (ublk server) library and headers are missing, so optional nbdublk program won't be built" >&5 printf "%s\n" "$as_me: WARNING: libublksrv (ublk server) library and headers are missing, so optional nbdublk program won't be built" >&2;} else UBLKSRV_CFLAGS=$pkg_cv_UBLKSRV_CFLAGS UBLKSRV_LIBS=$pkg_cv_UBLKSRV_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "ublksrv version is "; $PKG_CONFIG --modversion ublksrv printf "%s\n" "#define HAVE_UBLK 1" >>confdefs.h fi fi if test "x$enable_ublk" != "xno"; then HAVE_UBLK_TRUE= HAVE_UBLK_FALSE='#' else HAVE_UBLK_TRUE='#' HAVE_UBLK_FALSE= fi # Extract the first word of "perl", so it can be a program name with args. set dummy perl; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_PERL+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$PERL"; then ac_cv_prog_PERL="$PERL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_PERL="perl" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_PERL" && ac_cv_prog_PERL="no" fi ;; esac fi PERL=$ac_cv_prog_PERL if test -n "$PERL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PERL" >&5 printf "%s\n" "$PERL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$PERL" != "xno" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we have perl Pod::Man and Pod::Simple" >&5 printf %s "checking if we have perl Pod::Man and Pod::Simple... " >&6; } if $PERL -MPod::Man -MPod::Simple -e 1 >&5 2>&1 then : enable_pod=yes else case e in #( e) enable_pod=no ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_pod" >&5 printf "%s\n" "$enable_pod" >&6; } fi if test "x$PERL" != "xno" && test "x$enable_pod" = "xyes"; then HAVE_POD_TRUE= HAVE_POD_FALSE='#' else HAVE_POD_TRUE='#' HAVE_POD_FALSE= fi PODWRAPPER="$PERL $(pwd)/podwrapper.pl" # Check whether --enable-libfuzzer was given. if test ${enable_libfuzzer+y} then : enableval=$enable_libfuzzer; else case e in #( e) enable_libfuzzer=no ;; esac fi if test "x$enable_libfuzzer" = "xyes"; then ENABLE_LIBFUZZER_TRUE= ENABLE_LIBFUZZER_FALSE='#' else ENABLE_LIBFUZZER_TRUE='#' ENABLE_LIBFUZZER_FALSE= fi # Check whether --with-bash-completions was given. if test ${with_bash_completions+y} then : withval=$with_bash_completions; fi if test "x$with_bash_completions" != xno then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for bash-completion >= 2.0" >&5 printf %s "checking for bash-completion >= 2.0... " >&6; } if test -n "$BASH_COMPLETION_CFLAGS"; then pkg_cv_BASH_COMPLETION_CFLAGS="$BASH_COMPLETION_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"bash-completion >= 2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "bash-completion >= 2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_BASH_COMPLETION_CFLAGS=`$PKG_CONFIG --cflags "bash-completion >= 2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$BASH_COMPLETION_LIBS"; then pkg_cv_BASH_COMPLETION_LIBS="$BASH_COMPLETION_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"bash-completion >= 2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "bash-completion >= 2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_BASH_COMPLETION_LIBS=`$PKG_CONFIG --libs "bash-completion >= 2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then BASH_COMPLETION_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "bash-completion >= 2.0" 2>&1` else BASH_COMPLETION_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "bash-completion >= 2.0" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$BASH_COMPLETION_PKG_ERRORS" >&5 bash_completion=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: bash-completion not installed" >&5 printf "%s\n" "$as_me: WARNING: bash-completion not installed" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } bash_completion=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: bash-completion not installed" >&5 printf "%s\n" "$as_me: WARNING: bash-completion not installed" >&2;} else BASH_COMPLETION_CFLAGS=$pkg_cv_BASH_COMPLETION_CFLAGS BASH_COMPLETION_LIBS=$pkg_cv_BASH_COMPLETION_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } bash_completion=yes { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for bash-completions directory" >&5 printf %s "checking for bash-completions directory... " >&6; } if test -n "$bashcompdir"; then pkg_cv_bashcompdir="$bashcompdir" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"bash-completion\""; } >&5 ($PKG_CONFIG --exists --print-errors "bash-completion") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_bashcompdir=`$PKG_CONFIG --variable="completionsdir" "bash-completion" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi bashcompdir=$pkg_cv_bashcompdir if test "x$bashcompdir" = x"" then : fi if test -z "$bashcompdir" then : bashcompdir="${sysconfdir}/bash_completion.d" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $bashcompdir" >&5 printf "%s\n" "$bashcompdir" >&6; } fi fi if test "x$bash_completion" = xno && test "x$with_bash_completions" = xyes then : as_fn_error $? "bash-completions requested but required packages not found" "$LINENO" 5 fi if test "x$bash_completion" = "xyes"; then HAVE_BASH_COMPLETION_TRUE= HAVE_BASH_COMPLETION_FALSE='#' else HAVE_BASH_COMPLETION_TRUE='#' HAVE_BASH_COMPLETION_FALSE= fi # checking for ocamlc if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlc", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLC"; then ac_cv_prog_OCAMLC="$OCAMLC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLC="${ac_tool_prefix}ocamlc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLC=$ac_cv_prog_OCAMLC if test -n "$OCAMLC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLC" >&5 printf "%s\n" "$OCAMLC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLC"; then ac_ct_OCAMLC=$OCAMLC # Extract the first word of "ocamlc", so it can be a program name with args. set dummy ocamlc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLC"; then ac_cv_prog_ac_ct_OCAMLC="$ac_ct_OCAMLC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLC="ocamlc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLC=$ac_cv_prog_ac_ct_OCAMLC if test -n "$ac_ct_OCAMLC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLC" >&5 printf "%s\n" "$ac_ct_OCAMLC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLC" = x; then OCAMLC="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLC=$ac_ct_OCAMLC fi else OCAMLC="$ac_cv_prog_OCAMLC" fi if test "$OCAMLC" != "no"; then OCAMLVERSION=`$OCAMLC -v | sed -n -e 's|.*version* *\(.*\)$|\1|p'` { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: OCaml version is $OCAMLVERSION" >&5 printf "%s\n" "OCaml version is $OCAMLVERSION" >&6; } # If OCAMLLIB is set, use it if test "$OCAMLLIB" = ""; then OCAMLLIB=`$OCAMLC -where 2>/dev/null || $OCAMLC -v|tail -1|cut -d ' ' -f 4` else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: OCAMLLIB previously set; preserving it." >&5 printf "%s\n" "OCAMLLIB previously set; preserving it." >&6; } fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: OCaml library path is $OCAMLLIB" >&5 printf "%s\n" "OCaml library path is $OCAMLLIB" >&6; } # checking for ocamlopt if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlopt", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlopt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLOPT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLOPT"; then ac_cv_prog_OCAMLOPT="$OCAMLOPT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLOPT="${ac_tool_prefix}ocamlopt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLOPT=$ac_cv_prog_OCAMLOPT if test -n "$OCAMLOPT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLOPT" >&5 printf "%s\n" "$OCAMLOPT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLOPT"; then ac_ct_OCAMLOPT=$OCAMLOPT # Extract the first word of "ocamlopt", so it can be a program name with args. set dummy ocamlopt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLOPT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLOPT"; then ac_cv_prog_ac_ct_OCAMLOPT="$ac_ct_OCAMLOPT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLOPT="ocamlopt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLOPT=$ac_cv_prog_ac_ct_OCAMLOPT if test -n "$ac_ct_OCAMLOPT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLOPT" >&5 printf "%s\n" "$ac_ct_OCAMLOPT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLOPT" = x; then OCAMLOPT="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLOPT=$ac_ct_OCAMLOPT fi else OCAMLOPT="$ac_cv_prog_OCAMLOPT" fi OCAMLBEST=byte if test "$OCAMLOPT" = "no"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Cannot find ocamlopt; bytecode compilation only." >&5 printf "%s\n" "$as_me: WARNING: Cannot find ocamlopt; bytecode compilation only." >&2;} else TMPVERSION=`$OCAMLOPT -v | sed -n -e 's|.*version* *\(.*\)$|\1|p' ` if test "$TMPVERSION" != "$OCAMLVERSION" ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: versions differs from ocamlc; ocamlopt discarded." >&5 printf "%s\n" "versions differs from ocamlc; ocamlopt discarded." >&6; } OCAMLOPT=no else OCAMLBEST=opt fi fi # checking for ocamlc.opt if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlc.opt", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlc.opt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLCDOTOPT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLCDOTOPT"; then ac_cv_prog_OCAMLCDOTOPT="$OCAMLCDOTOPT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLCDOTOPT="${ac_tool_prefix}ocamlc.opt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLCDOTOPT=$ac_cv_prog_OCAMLCDOTOPT if test -n "$OCAMLCDOTOPT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLCDOTOPT" >&5 printf "%s\n" "$OCAMLCDOTOPT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLCDOTOPT"; then ac_ct_OCAMLCDOTOPT=$OCAMLCDOTOPT # Extract the first word of "ocamlc.opt", so it can be a program name with args. set dummy ocamlc.opt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLCDOTOPT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLCDOTOPT"; then ac_cv_prog_ac_ct_OCAMLCDOTOPT="$ac_ct_OCAMLCDOTOPT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLCDOTOPT="ocamlc.opt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLCDOTOPT=$ac_cv_prog_ac_ct_OCAMLCDOTOPT if test -n "$ac_ct_OCAMLCDOTOPT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLCDOTOPT" >&5 printf "%s\n" "$ac_ct_OCAMLCDOTOPT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLCDOTOPT" = x; then OCAMLCDOTOPT="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLCDOTOPT=$ac_ct_OCAMLCDOTOPT fi else OCAMLCDOTOPT="$ac_cv_prog_OCAMLCDOTOPT" fi if test "$OCAMLCDOTOPT" != "no"; then TMPVERSION=`$OCAMLCDOTOPT -v | sed -n -e 's|.*version* *\(.*\)$|\1|p' ` if test "$TMPVERSION" != "$OCAMLVERSION" ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: versions differs from ocamlc; ocamlc.opt discarded." >&5 printf "%s\n" "versions differs from ocamlc; ocamlc.opt discarded." >&6; } else OCAMLC=$OCAMLCDOTOPT fi fi # checking for ocamlopt.opt if test "$OCAMLOPT" != "no" ; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlopt.opt", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlopt.opt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLOPTDOTOPT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLOPTDOTOPT"; then ac_cv_prog_OCAMLOPTDOTOPT="$OCAMLOPTDOTOPT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLOPTDOTOPT="${ac_tool_prefix}ocamlopt.opt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLOPTDOTOPT=$ac_cv_prog_OCAMLOPTDOTOPT if test -n "$OCAMLOPTDOTOPT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLOPTDOTOPT" >&5 printf "%s\n" "$OCAMLOPTDOTOPT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLOPTDOTOPT"; then ac_ct_OCAMLOPTDOTOPT=$OCAMLOPTDOTOPT # Extract the first word of "ocamlopt.opt", so it can be a program name with args. set dummy ocamlopt.opt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLOPTDOTOPT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLOPTDOTOPT"; then ac_cv_prog_ac_ct_OCAMLOPTDOTOPT="$ac_ct_OCAMLOPTDOTOPT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLOPTDOTOPT="ocamlopt.opt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLOPTDOTOPT=$ac_cv_prog_ac_ct_OCAMLOPTDOTOPT if test -n "$ac_ct_OCAMLOPTDOTOPT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLOPTDOTOPT" >&5 printf "%s\n" "$ac_ct_OCAMLOPTDOTOPT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLOPTDOTOPT" = x; then OCAMLOPTDOTOPT="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLOPTDOTOPT=$ac_ct_OCAMLOPTDOTOPT fi else OCAMLOPTDOTOPT="$ac_cv_prog_OCAMLOPTDOTOPT" fi if test "$OCAMLOPTDOTOPT" != "no"; then TMPVERSION=`$OCAMLOPTDOTOPT -v | sed -n -e 's|.*version* *\(.*\)$|\1|p' ` if test "$TMPVERSION" != "$OCAMLVERSION" ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: version differs from ocamlc; ocamlopt.opt discarded." >&5 printf "%s\n" "version differs from ocamlc; ocamlopt.opt discarded." >&6; } else OCAMLOPT=$OCAMLOPTDOTOPT fi fi fi fi # checking for ocaml toplevel if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocaml", so it can be a program name with args. set dummy ${ac_tool_prefix}ocaml; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAML+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAML"; then ac_cv_prog_OCAML="$OCAML" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAML="${ac_tool_prefix}ocaml" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAML=$ac_cv_prog_OCAML if test -n "$OCAML"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAML" >&5 printf "%s\n" "$OCAML" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAML"; then ac_ct_OCAML=$OCAML # Extract the first word of "ocaml", so it can be a program name with args. set dummy ocaml; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAML+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAML"; then ac_cv_prog_ac_ct_OCAML="$ac_ct_OCAML" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAML="ocaml" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAML=$ac_cv_prog_ac_ct_OCAML if test -n "$ac_ct_OCAML"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAML" >&5 printf "%s\n" "$ac_ct_OCAML" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAML" = x; then OCAML="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAML=$ac_ct_OCAML fi else OCAML="$ac_cv_prog_OCAML" fi # checking for ocamldep if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamldep", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamldep; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLDEP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLDEP"; then ac_cv_prog_OCAMLDEP="$OCAMLDEP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLDEP="${ac_tool_prefix}ocamldep" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLDEP=$ac_cv_prog_OCAMLDEP if test -n "$OCAMLDEP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLDEP" >&5 printf "%s\n" "$OCAMLDEP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLDEP"; then ac_ct_OCAMLDEP=$OCAMLDEP # Extract the first word of "ocamldep", so it can be a program name with args. set dummy ocamldep; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLDEP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLDEP"; then ac_cv_prog_ac_ct_OCAMLDEP="$ac_ct_OCAMLDEP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLDEP="ocamldep" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLDEP=$ac_cv_prog_ac_ct_OCAMLDEP if test -n "$ac_ct_OCAMLDEP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLDEP" >&5 printf "%s\n" "$ac_ct_OCAMLDEP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLDEP" = x; then OCAMLDEP="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLDEP=$ac_ct_OCAMLDEP fi else OCAMLDEP="$ac_cv_prog_OCAMLDEP" fi # checking for ocamlmktop if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlmktop", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlmktop; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLMKTOP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLMKTOP"; then ac_cv_prog_OCAMLMKTOP="$OCAMLMKTOP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLMKTOP="${ac_tool_prefix}ocamlmktop" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLMKTOP=$ac_cv_prog_OCAMLMKTOP if test -n "$OCAMLMKTOP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLMKTOP" >&5 printf "%s\n" "$OCAMLMKTOP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLMKTOP"; then ac_ct_OCAMLMKTOP=$OCAMLMKTOP # Extract the first word of "ocamlmktop", so it can be a program name with args. set dummy ocamlmktop; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLMKTOP+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLMKTOP"; then ac_cv_prog_ac_ct_OCAMLMKTOP="$ac_ct_OCAMLMKTOP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLMKTOP="ocamlmktop" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLMKTOP=$ac_cv_prog_ac_ct_OCAMLMKTOP if test -n "$ac_ct_OCAMLMKTOP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLMKTOP" >&5 printf "%s\n" "$ac_ct_OCAMLMKTOP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLMKTOP" = x; then OCAMLMKTOP="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLMKTOP=$ac_ct_OCAMLMKTOP fi else OCAMLMKTOP="$ac_cv_prog_OCAMLMKTOP" fi # checking for ocamlmklib if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlmklib", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlmklib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLMKLIB+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLMKLIB"; then ac_cv_prog_OCAMLMKLIB="$OCAMLMKLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLMKLIB="${ac_tool_prefix}ocamlmklib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLMKLIB=$ac_cv_prog_OCAMLMKLIB if test -n "$OCAMLMKLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLMKLIB" >&5 printf "%s\n" "$OCAMLMKLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLMKLIB"; then ac_ct_OCAMLMKLIB=$OCAMLMKLIB # Extract the first word of "ocamlmklib", so it can be a program name with args. set dummy ocamlmklib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLMKLIB+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLMKLIB"; then ac_cv_prog_ac_ct_OCAMLMKLIB="$ac_ct_OCAMLMKLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLMKLIB="ocamlmklib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLMKLIB=$ac_cv_prog_ac_ct_OCAMLMKLIB if test -n "$ac_ct_OCAMLMKLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLMKLIB" >&5 printf "%s\n" "$ac_ct_OCAMLMKLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLMKLIB" = x; then OCAMLMKLIB="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLMKLIB=$ac_ct_OCAMLMKLIB fi else OCAMLMKLIB="$ac_cv_prog_OCAMLMKLIB" fi # checking for ocamldoc if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamldoc", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamldoc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLDOC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLDOC"; then ac_cv_prog_OCAMLDOC="$OCAMLDOC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLDOC="${ac_tool_prefix}ocamldoc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLDOC=$ac_cv_prog_OCAMLDOC if test -n "$OCAMLDOC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLDOC" >&5 printf "%s\n" "$OCAMLDOC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLDOC"; then ac_ct_OCAMLDOC=$OCAMLDOC # Extract the first word of "ocamldoc", so it can be a program name with args. set dummy ocamldoc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLDOC+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLDOC"; then ac_cv_prog_ac_ct_OCAMLDOC="$ac_ct_OCAMLDOC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLDOC="ocamldoc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLDOC=$ac_cv_prog_ac_ct_OCAMLDOC if test -n "$ac_ct_OCAMLDOC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLDOC" >&5 printf "%s\n" "$ac_ct_OCAMLDOC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLDOC" = x; then OCAMLDOC="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLDOC=$ac_ct_OCAMLDOC fi else OCAMLDOC="$ac_cv_prog_OCAMLDOC" fi # checking for ocamlbuild if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlbuild", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlbuild; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLBUILD+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLBUILD"; then ac_cv_prog_OCAMLBUILD="$OCAMLBUILD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLBUILD="${ac_tool_prefix}ocamlbuild" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLBUILD=$ac_cv_prog_OCAMLBUILD if test -n "$OCAMLBUILD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLBUILD" >&5 printf "%s\n" "$OCAMLBUILD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLBUILD"; then ac_ct_OCAMLBUILD=$OCAMLBUILD # Extract the first word of "ocamlbuild", so it can be a program name with args. set dummy ocamlbuild; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLBUILD+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLBUILD"; then ac_cv_prog_ac_ct_OCAMLBUILD="$ac_ct_OCAMLBUILD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLBUILD="ocamlbuild" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLBUILD=$ac_cv_prog_ac_ct_OCAMLBUILD if test -n "$ac_ct_OCAMLBUILD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLBUILD" >&5 printf "%s\n" "$ac_ct_OCAMLBUILD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLBUILD" = x; then OCAMLBUILD="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLBUILD=$ac_ct_OCAMLBUILD fi else OCAMLBUILD="$ac_cv_prog_OCAMLBUILD" fi # checking for ocamlfind if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ocamlfind", so it can be a program name with args. set dummy ${ac_tool_prefix}ocamlfind; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OCAMLFIND+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$OCAMLFIND"; then ac_cv_prog_OCAMLFIND="$OCAMLFIND" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OCAMLFIND="${ac_tool_prefix}ocamlfind" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi OCAMLFIND=$ac_cv_prog_OCAMLFIND if test -n "$OCAMLFIND"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLFIND" >&5 printf "%s\n" "$OCAMLFIND" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OCAMLFIND"; then ac_ct_OCAMLFIND=$OCAMLFIND # Extract the first word of "ocamlfind", so it can be a program name with args. set dummy ocamlfind; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OCAMLFIND+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$ac_ct_OCAMLFIND"; then ac_cv_prog_ac_ct_OCAMLFIND="$ac_ct_OCAMLFIND" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OCAMLFIND="ocamlfind" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi ;; esac fi ac_ct_OCAMLFIND=$ac_cv_prog_ac_ct_OCAMLFIND if test -n "$ac_ct_OCAMLFIND"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OCAMLFIND" >&5 printf "%s\n" "$ac_ct_OCAMLFIND" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OCAMLFIND" = x; then OCAMLFIND="no" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OCAMLFIND=$ac_ct_OCAMLFIND fi else OCAMLFIND="$ac_cv_prog_OCAMLFIND" fi OCAML_WARN_ERROR="-warn-error +C+D+E+F+L+M+P+S+U+V+Y+Z+X+52-3" OCAML_FLAGS="-g -annot -safe-string" # Check whether --enable-ocaml was given. if test ${enable_ocaml+y} then : enableval=$enable_ocaml; else case e in #( e) enable_ocaml=yes ;; esac fi if test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"; then HAVE_OCAML_TRUE= HAVE_OCAML_FALSE='#' else HAVE_OCAML_TRUE='#' HAVE_OCAML_FALSE= fi if test "x$OCAMLOPT" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"; then HAVE_OCAMLOPT_TRUE= HAVE_OCAMLOPT_FALSE='#' else HAVE_OCAMLOPT_TRUE='#' HAVE_OCAMLOPT_FALSE= fi if test "x$OCAMLDOC" != "xno" && test "x$enable_ocaml" = "xyes"; then HAVE_OCAMLDOC_TRUE= HAVE_OCAMLDOC_FALSE='#' else HAVE_OCAMLDOC_TRUE='#' HAVE_OCAMLDOC_FALSE= fi if test "x$OCAMLC" != "xno"; then HAVE_OCAMLC_TRUE= HAVE_OCAMLC_FALSE='#' else HAVE_OCAMLC_TRUE='#' HAVE_OCAMLC_FALSE= fi if test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes" then : ocaml_ver_str=4.05 ocaml_min_major=4 ocaml_min_minor=5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if OCaml version >= $ocaml_ver_str" >&5 printf %s "checking if OCaml version >= $ocaml_ver_str... " >&6; } ocaml_major="`echo $OCAMLVERSION | $AWK -F. '{print $1}'`" ocaml_minor="`echo $OCAMLVERSION | $AWK -F. '{print $2}' | $SED 's/^0//'`" if test "$ocaml_major" -ge $((ocaml_min_major+1)) || ( test "$ocaml_major" -eq $ocaml_min_major && test "$ocaml_minor" -ge $ocaml_min_minor ) then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes ($ocaml_major, $ocaml_minor)" >&5 printf "%s\n" "yes ($ocaml_major, $ocaml_minor)" >&6; } else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;} as_fn_error $? "OCaml compiler is not new enough. At least OCaml $ocaml_ver_str is required See 'config.log' for more details" "$LINENO" 5; } ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking what OCaml packages need to be linked in" >&5 printf %s "checking what OCaml packages need to be linked in... " >&6; } if test "$ocaml_major" -ge 5 then : OCAMLFIND_PACKAGES="unix" else case e in #( e) OCAMLFIND_PACKAGES="unix,bigarray" ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OCAMLFIND_PACKAGES" >&5 printf "%s\n" "$OCAMLFIND_PACKAGES" >&6; } fi if test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for caml_alloc_custom_mem" >&5 printf %s "checking for caml_alloc_custom_mem... " >&6; } cat >conftest.c <<'EOF' #include int main () { char *p = (void *)caml_alloc_custom_mem; return 0; } EOF if $OCAMLC conftest.c >&5 2>&1 then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "%s\n" "#define HAVE_CAML_ALLOC_CUSTOM_MEM 1" >>confdefs.h else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi rm -f conftest.c conftest.o fi if test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for caml_alloc_initialized_string" >&5 printf %s "checking for caml_alloc_initialized_string... " >&6; } cat >conftest.c <<'EOF' #include int main () { char *p = (void *)caml_alloc_initialized_string; return 0; } EOF if $OCAMLC conftest.c >&5 2>&1 then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "%s\n" "#define HAVE_CAML_ALLOC_INITIALIZED_STRING 1" >>confdefs.h else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi rm -f conftest.c conftest.o fi if test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for caml_unix_get_sockaddr" >&5 printf %s "checking for caml_unix_get_sockaddr... " >&6; } cat >conftest.c <<'EOF' #include #include int main () { char *p = (void *)caml_unix_get_sockaddr; return 0; } EOF if $OCAMLC conftest.c >&5 2>&1 then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "%s\n" "#define HAVE_CAML_UNIX_GET_SOCKADDR 1" >>confdefs.h else case e in #( e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi rm -f conftest.c conftest.o fi PYTHON_PREFIX= PYTHON_VERSION= PYTHON_INSTALLDIR= # Check whether --enable-python was given. if test ${enable_python+y} then : enableval=$enable_python; else case e in #( e) enable_python=yes ;; esac fi if test "x$enable_python" != "xno" then : # Extract the first word of "python3", so it can be a program name with args. set dummy python3; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_PYTHON+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$PYTHON"; then ac_cv_prog_PYTHON="$PYTHON" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_PYTHON="python3" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_PYTHON" && ac_cv_prog_PYTHON="no" fi ;; esac fi PYTHON=$ac_cv_prog_PYTHON if test -n "$PYTHON"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5 printf "%s\n" "$PYTHON" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$PYTHON" != "xno"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking Python version" >&5 printf %s "checking Python version... " >&6; } PYTHON_VERSION_MAJOR=`$PYTHON -c "import sys; print (sys.version_info[0])"` PYTHON_VERSION_MINOR=`$PYTHON -c "import sys; print (sys.version_info[1])"` PYTHON_VERSION="$PYTHON_VERSION_MAJOR.$PYTHON_VERSION_MINOR" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON_VERSION" >&5 printf "%s\n" "$PYTHON_VERSION" >&6; } # Debian: python-3.2.pc pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python-\"$PYTHON_VERSION\"" >&5 printf %s "checking for python-\"$PYTHON_VERSION\"... " >&6; } if test -n "$PYTHON_CFLAGS"; then pkg_cv_PYTHON_CFLAGS="$PYTHON_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"python-\"\$PYTHON_VERSION\"\""; } >&5 ($PKG_CONFIG --exists --print-errors "python-"$PYTHON_VERSION"") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_PYTHON_CFLAGS=`$PKG_CONFIG --cflags "python-"$PYTHON_VERSION"" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$PYTHON_LIBS"; then pkg_cv_PYTHON_LIBS="$PYTHON_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"python-\"\$PYTHON_VERSION\"\""; } >&5 ($PKG_CONFIG --exists --print-errors "python-"$PYTHON_VERSION"") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_PYTHON_LIBS=`$PKG_CONFIG --libs "python-"$PYTHON_VERSION"" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then PYTHON_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "python-"$PYTHON_VERSION"" 2>&1` else PYTHON_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "python-"$PYTHON_VERSION"" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$PYTHON_PKG_ERRORS" >&5 pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python" >&5 printf %s "checking for python... " >&6; } if test -n "$PYTHON_CFLAGS"; then pkg_cv_PYTHON_CFLAGS="$PYTHON_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"python\""; } >&5 ($PKG_CONFIG --exists --print-errors "python") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_PYTHON_CFLAGS=`$PKG_CONFIG --cflags "python" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$PYTHON_LIBS"; then pkg_cv_PYTHON_LIBS="$PYTHON_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"python\""; } >&5 ($PKG_CONFIG --exists --print-errors "python") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_PYTHON_LIBS=`$PKG_CONFIG --libs "python" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then PYTHON_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "python" 2>&1` else PYTHON_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "python" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$PYTHON_PKG_ERRORS" >&5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: python $PYTHON_VERSION not found" >&5 printf "%s\n" "$as_me: WARNING: python $PYTHON_VERSION not found" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: python $PYTHON_VERSION not found" >&5 printf "%s\n" "$as_me: WARNING: python $PYTHON_VERSION not found" >&2;} else PYTHON_CFLAGS=$pkg_cv_PYTHON_CFLAGS PYTHON_LIBS=$pkg_cv_PYTHON_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } have_python_module=1 printf "%s\n" "#define HAVE_PYTHON 1" >>confdefs.h fi elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python" >&5 printf %s "checking for python... " >&6; } if test -n "$PYTHON_CFLAGS"; then pkg_cv_PYTHON_CFLAGS="$PYTHON_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"python\""; } >&5 ($PKG_CONFIG --exists --print-errors "python") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_PYTHON_CFLAGS=`$PKG_CONFIG --cflags "python" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$PYTHON_LIBS"; then pkg_cv_PYTHON_LIBS="$PYTHON_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"python\""; } >&5 ($PKG_CONFIG --exists --print-errors "python") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_PYTHON_LIBS=`$PKG_CONFIG --libs "python" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then PYTHON_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "python" 2>&1` else PYTHON_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "python" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$PYTHON_PKG_ERRORS" >&5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: python $PYTHON_VERSION not found" >&5 printf "%s\n" "$as_me: WARNING: python $PYTHON_VERSION not found" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: python $PYTHON_VERSION not found" >&5 printf "%s\n" "$as_me: WARNING: python $PYTHON_VERSION not found" >&2;} else PYTHON_CFLAGS=$pkg_cv_PYTHON_CFLAGS PYTHON_LIBS=$pkg_cv_PYTHON_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } have_python_module=1 printf "%s\n" "#define HAVE_PYTHON 1" >>confdefs.h fi else PYTHON_CFLAGS=$pkg_cv_PYTHON_CFLAGS PYTHON_LIBS=$pkg_cv_PYTHON_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } have_python_module=1 printf "%s\n" "#define HAVE_PYTHON 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking Python prefix" >&5 printf %s "checking Python prefix... " >&6; } PYTHON_PREFIX=`$PYTHON -c "import sys; print (sys.prefix)"` { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON_PREFIX" >&5 printf "%s\n" "$PYTHON_PREFIX" >&6; } # Check whether --with-python-installdir was given. if test ${with_python_installdir+y} then : withval=$with_python_installdir; PYTHON_INSTALLDIR="$withval" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Python install dir $PYTHON_INSTALLDIR" >&5 printf "%s\n" "$as_me: Python install dir $PYTHON_INSTALLDIR" >&6;} else case e in #( e) PYTHON_INSTALLDIR=check ;; esac fi if test "x$PYTHON_INSTALLDIR" = "xcheck"; then PYTHON_INSTALLDIR= { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Python site-packages path" >&5 printf %s "checking for Python site-packages path... " >&6; } if test -z "$PYTHON_INSTALLDIR"; then PYTHON_INSTALLDIR=`$PYTHON -c "import sysconfig; \ print (sysconfig.get_path('platlib'));"` fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON_INSTALLDIR" >&5 printf "%s\n" "$PYTHON_INSTALLDIR" >&6; } fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Python extension suffix (PEP-3149)" >&5 printf %s "checking for Python extension suffix (PEP-3149)... " >&6; } if test -z "$PYTHON_EXT_SUFFIX"; then python_ext_suffix=`$PYTHON -c "import sysconfig; \ print (sysconfig.get_config_var('EXT_SUFFIX') or sysconfig.get_config_var('SO'))"` PYTHON_EXT_SUFFIX=$python_ext_suffix fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON_EXT_SUFFIX" >&5 printf "%s\n" "$PYTHON_EXT_SUFFIX" >&6; } fi fi if test "x$PYTHON" != "xno" && test "x$have_python_module" = "x1" ; then HAVE_PYTHON_TRUE= HAVE_PYTHON_FALSE='#' else HAVE_PYTHON_TRUE='#' HAVE_PYTHON_FALSE= fi # Check whether --enable-python-code-style was given. if test ${enable_python_code_style+y} then : enableval=$enable_python_code_style; enable_pycodestyle=$enableval else case e in #( e) enable_pycodestyle=no ;; esac fi if test "x$enable_pycodestyle" = "xyes"; then ENABLE_PYCODESTYLE_TRUE= ENABLE_PYCODESTYLE_FALSE='#' else ENABLE_PYCODESTYLE_TRUE='#' ENABLE_PYCODESTYLE_FALSE= fi # Check whether --enable-golang was given. if test ${enable_golang+y} then : enableval=$enable_golang; else case e in #( e) enable_golang=yes ;; esac fi if test "x$enable_golang" != "xno" then : # Extract the first word of "go", so it can be a program name with args. set dummy go; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_GOLANG+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$GOLANG"; then ac_cv_prog_GOLANG="$GOLANG" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_GOLANG="go" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_GOLANG" && ac_cv_prog_GOLANG="no" fi ;; esac fi GOLANG=$ac_cv_prog_GOLANG if test -n "$GOLANG"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $GOLANG" >&5 printf "%s\n" "$GOLANG" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi # Extract the first word of "gofmt", so it can be a program name with args. set dummy gofmt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_GOFMT+y} then : printf %s "(cached) " >&6 else case e in #( e) if test -n "$GOFMT"; then ac_cv_prog_GOFMT="$GOFMT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_GOFMT="gofmt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_GOFMT" && ac_cv_prog_GOFMT="no" fi ;; esac fi GOFMT=$ac_cv_prog_GOFMT if test -n "$GOFMT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $GOFMT" >&5 printf "%s\n" "$GOFMT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$GOLANG" != "xno" then : $GOLANG version ||: { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $GOLANG major version" >&5 printf %s "checking for $GOLANG major version... 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See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA AC_INIT([libnbd],[1.22.2]) AC_CONFIG_MACRO_DIR([m4]) m4_ifdef([AC_USE_SYSTEM_EXTENSIONS],[], [m4_define([AC_USE_SYSTEM_EXTENSIONS],[])]) AC_USE_SYSTEM_EXTENSIONS AC_SYS_LARGEFILE dnl NB: Do not [quote] this parameter. AM_INIT_AUTOMAKE(foreign subdir-objects) LT_INIT AC_CANONICAL_HOST AC_PROG_LN_S AC_PROG_SED dnl Check for some commands used by the tests which should be the GNU dnl coreutils variants. On macOS these are prefixed with 'g' or 'gnu'. 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AC_PROG_CC AC_PROG_INSTALL AC_PROG_CPP AC_C_PROTOTYPES test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant]) AM_PROG_CC_C_O AX_PTHREAD dnl Defines WORDS_BIGENDIAN on big endian platforms. AC_C_BIGENDIAN dnl Check for C++ (optional, we just use this to test the header dnl can be included from C++ code). AC_PROG_CXX dnl The C++ compiler test is pretty useless because even if it fails dnl it sets CXX=g++. So test the compiler actually works. 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AC_CHECK_HEADERS([\ byteswap.h \ endian.h \ linux/fs.h \ linux/userfaultfd.h \ stdatomic.h \ sys/disk.h \ sys/disklabel.h \ sys/endian.h \ sys/ioctl.h \ sys/syscall.h]) AC_CHECK_HEADERS([linux/vm_sockets.h sys/vsock.h], [], [], [[ #include ]]) AC_CHECK_TYPES([struct sockaddr_vm], [], [], [[ #include #ifdef HAVE_LINUX_VM_SOCKETS_H #include #elif HAVE_SYS_VSOCK_H #include #endif #ifndef AF_VSOCK #error "no vsock support" #endif ]]) dnl Check for various libc functions, all optional. dnl dnl posix_fadvise helps to optimise linear reads and writes. dnl dnl When /proc/sys/kernel/core_pattern starts with a pipe (|) symbol, Linux dnl ignores "ulimit -c" and (equivalent) setrlimit(RLIMIT_CORE) actions, for dnl disabling core dumping. Only prctl() can be used then, for that purpose. dnl dnl strerrordesc_np (glibc only) is preferred over sys_errlist: dnl https://lists.fedoraproject.org/archives/list/glibc@lists.fedoraproject.org/thread/WJHGG2OO7ABNAYICGA5WQZ2Q34Q2FEHU/ AC_CHECK_FUNCS([\ posix_fadvise \ posix_memalign \ prctl \ strcasestr \ strerrordesc_np \ valloc]) dnl Check for sys_errlist (optional). AC_CHECK_DECLS([sys_errlist]) dnl Check for libdl/dlopen (optional - only used to test if the library dnl can be used with libdl). AC_CHECK_LIB([dl],[dlopen],[have_libdl=yes],[have_libdl=no]) AC_CHECK_HEADERS([dlfcn.h],[have_dlfcn=yes],[have_dlfcn=no]) AM_CONDITIONAL([HAVE_LIBDL], [test "x$have_libdl" = "xyes" && test "x$have_dlfcn" = "xyes"]) dnl Does this platform support libc_malloc_debug.so.0 (glibc >= 2.34)? AC_MSG_CHECKING([if this is glibc >= 2.34]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #if !defined(__GLIBC__) || __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 34) #error "not glibc 2.34" #endif ]])], [if (LD_PRELOAD=libc_malloc_debug.so.0 /bin/true) 2>&1 | grep .; then is_glibc_234='missing suitable libc_malloc_debug.so.0' else is_glibc_234=yes fi], [is_glibc_234=no] ) AC_MSG_RESULT([$is_glibc_234]) AM_CONDITIONAL([HAVE_GLIBC_234], [test "x$is_glibc_234" = "xyes"]) dnl Check for GnuTLS (optional, for TLS support). AC_ARG_WITH([gnutls], [AS_HELP_STRING([--without-gnutls], [disable use of gnutls @<:@default=check@:>@])], [], [with_gnutls=check]) AS_IF([test "$with_gnutls" != "no"],[ PKG_CHECK_MODULES([GNUTLS], [gnutls >= 3.5.18], [ printf "gnutls version is "; $PKG_CONFIG --modversion gnutls AC_SUBST([GNUTLS_CFLAGS]) AC_SUBST([GNUTLS_LIBS]) AC_DEFINE([HAVE_GNUTLS],[1],[gnutls found at compile time.]) ], [ AC_MSG_WARN([gnutls not found or < 3.5.18, TLS support will be disabled.]) ]) ]) AM_CONDITIONAL([HAVE_GNUTLS], [test "x$GNUTLS_LIBS" != "x"]) AS_IF([test "$GNUTLS_LIBS" != ""],[ AC_MSG_CHECKING([for default TLS session priority string]) AC_ARG_WITH([tls-priority], [AS_HELP_STRING([--with-tls-priority=...], [default TLS session priority string @<:@default=NORMAL@:>@])], [tls_priority=$withval], [tls_priority=NORMAL]) AC_MSG_RESULT([$tls_priority]) AC_DEFINE_UNQUOTED([TLS_PRIORITY],["$tls_priority"], [Default TLS session priority string]) # Check for working . This is only needed for # gnutls 3.7.9 and no other version (unfortunately used by Debian # 12 and others). In that release kTLS functionality was added to # incorrectly, before being moved to # in 3.8.0. breaks on # Windows, so we must make inclusion conditional. When we move # the minimum version of gnutls >= 3.8.0 we can get rid of this. old_CFLAGS="$CFLAGS" CFLAGS="$GNUTLS_CFLAGS $CFLAGS" AC_CHECK_HEADERS([gnutls/socket.h]) CFLAGS="$old_CFLAGS" # Check for APIs which may not be present. old_LIBS="$LIBS" LIBS="$GNUTLS_LIBS $LIBS" AC_CHECK_FUNCS([\ gnutls_transport_is_ktls_enabled \ ]) LIBS="$old_LIBS" ]) dnl certtool (part of GnuTLS) for testing TLS with certificates. dnl macOS has its own program called certtool and packages the dnl GnuTLS tool as "gnutls-certtool". AC_CHECK_PROGS([CERTTOOL],[gnutls-certtool certtool],[certtool]) AM_CONDITIONAL([HAVE_CERTTOOL], [test "x$CERTTOOL" != "x"]) dnl psktool (part of GnuTLS) for testing Pre-Shared Keys (PSK). AC_CHECK_PROG([PSKTOOL], [psktool], [psktool]) AM_CONDITIONAL([HAVE_PSKTOOL], [test "x$PSKTOOL" != "x"]) dnl Check for libxml2 (optional, for NBD URI support) AC_ARG_WITH([libxml2], [AS_HELP_STRING([--without-libxml2], [disable use of libxml2 for URI support @<:@default=check@:>@])], [], [with_libxml2=check]) AS_IF([test "$with_libxml2" != "no"],[ PKG_CHECK_MODULES([LIBXML2], [libxml-2.0], [ printf "libxml2 version is "; $PKG_CONFIG --modversion libxml-2.0 AC_SUBST([LIBXML2_CFLAGS]) AC_SUBST([LIBXML2_LIBS]) AC_DEFINE([HAVE_LIBXML2],[1],[libxml2 found at compile time.]) ], [ AC_MSG_WARN([libxml2 not found, NBD URI support will be disabled.]) ]) ]) AM_CONDITIONAL([HAVE_LIBXML2], [test "x$LIBXML2_LIBS" != "x"]) dnl nbdkit and some plugins are only needed to run the test suite. dnl dnl List the minimum version and plugins which are used by C code, dnl because shell script tests can use 'requires' tests. nbdkit_min_minor="12" ;# 1.12 nbdkit_plugins="file memory null pattern sh" AC_CHECK_PROG([NBDKIT], [nbdkit], [nbdkit]) AS_IF([test "x$NBDKIT" != "x"], [ have_nbdkit_features=yes AC_MSG_CHECKING([for nbdkit >= 1.$nbdkit_min_minor]) nbdkit_minor="$( $NBDKIT --version | $SED 's/^nbdkit 1\.\(@<:@0-9@:>@*\)\..*/\1/' )" AS_IF([test $nbdkit_minor -ge $nbdkit_min_minor],[ AC_MSG_RESULT([yes (1.$nbdkit_minor)]) printf "nbdkit version is "; $NBDKIT --version ],[ AC_MSG_RESULT([no (1.$nbdkit_minor)]) AC_MSG_WARN([nbdkit is too old, some tests will be disabled]) have_nbdkit_features=no ]) for p in $nbdkit_plugins; do AC_MSG_CHECKING([for nbdkit $p plugin]) AS_IF([$NBDKIT $p --version >&AS_MESSAGE_LOG_FD 2>&1], [ AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) AC_MSG_WARN([nbdkit $p plugin is missing, some tests will be disabled]) have_nbdkit_features=no ]) done AC_DEFINE_UNQUOTED([NBDKIT],["$NBDKIT"], [The name of nbdkit server (optional)]) ]) AM_CONDITIONAL([HAVE_NBDKIT], [test "x$NBDKIT" != "x" && test "x$have_nbdkit_features" = "xyes"]) dnl nbd-server, qemu-nbd and qemu-storage-daemon for interop testing. AC_CHECK_PROG([NBD_SERVER], [nbd-server], [nbd-server]) AM_CONDITIONAL([HAVE_NBD_SERVER], [test "x$NBD_SERVER" != "x"]) AS_IF([test "x$NBD_SERVER" != "x"], [ AC_DEFINE_UNQUOTED([NBD_SERVER],["$NBD_SERVER"], [The name of nbd-server (optional)]) printf "nbd-server version is "; $NBD_SERVER --version | head -1 ]) AC_CHECK_PROG([QEMU_NBD], [qemu-nbd], [qemu-nbd]) AM_CONDITIONAL([HAVE_QEMU_NBD], [test "x$QEMU_NBD" != "x"]) AS_IF([test "x$QEMU_NBD" != "x"], [ AC_DEFINE_UNQUOTED([QEMU_NBD],["$QEMU_NBD"], [The name of qemu-nbd (optional)]) printf "qemu-nbd version is "; $QEMU_NBD --version | head -1 ]) AC_CHECK_PROG([QEMU_STORAGE_DAEMON], [qemu-storage-daemon], [qemu-storage-daemon]) AM_CONDITIONAL([HAVE_QEMU_STORAGE_DAEMON], [test "x$QEMU_STORAGE_DAEMON" != "x"]) dnl glib2 main loop for examples that interoperate with the glib main loop. PKG_CHECK_MODULES([GLIB], [glib-2.0], [ printf "glib2 version is "; $PKG_CONFIG --modversion glib-2.0 AC_SUBST([GLIB_CFLAGS]) AC_SUBST([GLIB_LIBS]) ],[ AC_MSG_WARN([glib2 not found, some examples will not be compiled]) ]) AM_CONDITIONAL([HAVE_GLIB], [test "x$GLIB_LIBS" != "x"]) dnl libev support for examples that interoperate with libev event loop. PKG_CHECK_MODULES([LIBEV], [libev], [ printf "libev version is "; $PKG_CONFIG --modversion libev AC_SUBST([LIBEV_CFLAGS]) AC_SUBST([LIBEV_LIBS]) ],[ dnl no pkg-config for libev, searching manually: AC_CHECK_HEADERS([ev.h], [ AC_CHECK_LIB([ev], [ev_time], [ AC_SUBST([LIBEV_LIBS], ["-lev"]) ], [ AC_MSG_WARN([libev not found, some examples will not be compiled]) ]) ],[ AC_MSG_WARN([ev.h not found, some examples will not be compiled]) ]) ]) AS_IF([test "x$LIBEV_LIBS" != "x"], [ old_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $LIBEV_CFLAGS -Werror=strict-aliasing -O2" AC_MSG_CHECKING([if the compiler is new enough for good aliasing rules]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([ #include static void cb (struct ev_loop *l, ev_timer *t, int e) { } static ev_timer timer; ], [ ev_timer_init (&timer, cb, 0, .1); ]) ], [ AC_MSG_RESULT([yes]) ], [ AC_MSG_RESULT([no]) LIBEV_CFLAGS="$LIBEV_CFLAGS -Wno-strict-aliasing" ]) CFLAGS="$old_CFLAGS" ]) AM_CONDITIONAL([HAVE_LIBEV], [test "x$LIBEV_LIBS" != "x"]) dnl FUSE 3 is optional to build the nbdfuse program. AC_ARG_ENABLE([fuse], AS_HELP_STRING([--disable-fuse], [disable FUSE (nbdfuse) support]), [], [enable_fuse=yes]) AS_IF([test "x$enable_fuse" != "xno"],[ PKG_CHECK_MODULES([FUSE],[fuse3],[ printf "fuse3 version is "; $PKG_CONFIG --modversion fuse3 AC_SUBST([FUSE_CFLAGS]) AC_SUBST([FUSE_LIBS]) AC_DEFINE([HAVE_FUSE],[1],[Define to 1 if you have FUSE.]) ],[ enable_fuse=no AC_MSG_WARN([FUSE 3 library and headers are missing, so optional nbdfuse program won't be built]) ]) ]) AM_CONDITIONAL([HAVE_FUSE],[test "x$enable_fuse" != "xno"]) dnl libublksrv is optional to build the nbdublk program. AC_ARG_ENABLE([ublk], AS_HELP_STRING([--disable-ublk], [disable ublk (nbdublk) support]), [], [enable_ublk=yes]) AS_IF([test "x$enable_ublk" != "xno"],[ PKG_CHECK_MODULES([UBLKSRV],[ublksrv],[ printf "ublksrv version is "; $PKG_CONFIG --modversion ublksrv AC_SUBST([UBLKSRV_CFLAGS]) AC_SUBST([UBLKSRV_LIBS]) AC_DEFINE([HAVE_UBLK],[1],[Define to 1 if you have ublk.]) ],[ enable_ublk=no AC_MSG_WARN([libublksrv (ublk server) library and headers are missing, so optional nbdublk program won't be built]) ]) ]) AM_CONDITIONAL([HAVE_UBLK],[test "x$enable_ublk" != "xno"]) dnl Check we have enough to run podwrapper. AC_CHECK_PROG([PERL],[perl],[perl],[no]) AS_IF([test "x$PERL" != "xno"],[ AC_MSG_CHECKING([if we have perl Pod::Man and Pod::Simple]) AS_IF([$PERL -MPod::Man -MPod::Simple -e 1 >&AS_MESSAGE_LOG_FD 2>&1],[ enable_pod=yes ],[ enable_pod=no ]) AC_MSG_RESULT([$enable_pod]) ]) AM_CONDITIONAL([HAVE_POD], [test "x$PERL" != "xno" && test "x$enable_pod" = "xyes"]) dnl Define the path to the podwrapper program. PODWRAPPER="$PERL $(pwd)/podwrapper.pl" AC_SUBST([PODWRAPPER]) dnl Build the libFuzzer test. See fuzzing/README. AC_ARG_ENABLE([libfuzzer], [AS_HELP_STRING([--enable-libfuzzer], [build the libFuzzer test (for developers)])], [], [enable_libfuzzer=no]) AM_CONDITIONAL([ENABLE_LIBFUZZER],[test "x$enable_libfuzzer" = "xyes"]) dnl Bash completion. AC_ARG_WITH([bash-completions], [AS_HELP_STRING([--without-bash-completions], [disable installing bash completions @<:@default=check@:>@])]) AS_IF([test "x$with_bash_completions" != xno], [ PKG_CHECK_MODULES([BASH_COMPLETION], [bash-completion >= 2.0], [ bash_completion=yes AC_MSG_CHECKING([for bash-completions directory]) m4_ifdef([PKG_CHECK_VAR],[ PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir]) ]) AS_IF([test -z "$bashcompdir"], [ bashcompdir="${sysconfdir}/bash_completion.d" ]) AC_MSG_RESULT([$bashcompdir]) AC_SUBST([bashcompdir]) ],[ bash_completion=no AC_MSG_WARN([bash-completion not installed]) ]) ]) AS_IF([test "x$bash_completion" = xno && test "x$with_bash_completions" = xyes], [ AC_MSG_ERROR([bash-completions requested but required packages not found]) ]) AM_CONDITIONAL([HAVE_BASH_COMPLETION],[test "x$bash_completion" = "xyes"]) dnl OCaml >= 4.05, required for running the generator when building dnl from git, or optional unless you want to build the OCaml bindings. AC_PROG_OCAML AC_PROG_FINDLIB dnl Flags we want to pass to every OCaml compiler call. OCAML_WARN_ERROR="-warn-error +C+D+E+F+L+M+P+S+U+V+Y+Z+X+52-3" AC_SUBST([OCAML_WARN_ERROR]) OCAML_FLAGS="-g -annot -safe-string" AC_SUBST([OCAML_FLAGS]) dnl Note this only disables the OCaml bindings. AC_ARG_ENABLE([ocaml], AS_HELP_STRING([--disable-ocaml], [disable OCaml language bindings]), [], [enable_ocaml=yes]) AM_CONDITIONAL([HAVE_OCAML], [test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"]) AM_CONDITIONAL([HAVE_OCAMLOPT], [test "x$OCAMLOPT" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"]) AM_CONDITIONAL([HAVE_OCAMLDOC], [test "x$OCAMLDOC" != "xno" && test "x$enable_ocaml" = "xyes"]) dnl HAVE_OCAMLC can be used to detect if we are able to run the dnl generator. We should NOT require ocamlfind for this. AM_CONDITIONAL([HAVE_OCAMLC], [test "x$OCAMLC" != "xno"]) dnl OCaml if present should be >= 4.05 AS_IF([test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"],[ ocaml_ver_str=4.05 ocaml_min_major=4 ocaml_min_minor=5 AC_MSG_CHECKING([if OCaml version >= $ocaml_ver_str]) ocaml_major="`echo $OCAMLVERSION | $AWK -F. '{print $1}'`" ocaml_minor="`echo $OCAMLVERSION | $AWK -F. '{print $2}' | $SED 's/^0//'`" AS_IF([test "$ocaml_major" -ge $((ocaml_min_major+1)) || ( test "$ocaml_major" -eq $ocaml_min_major && test "$ocaml_minor" -ge $ocaml_min_minor )],[ AC_MSG_RESULT([yes ($ocaml_major, $ocaml_minor)]) ],[ AC_MSG_RESULT([no]) AC_MSG_FAILURE([OCaml compiler is not new enough. At least OCaml $ocaml_ver_str is required]) ]) dnl Which packages do we need to link to OCaml code? dnl In OCaml >= 5, bigarray is part of the stdlib. AC_MSG_CHECKING([what OCaml packages need to be linked in]) AS_IF([test "$ocaml_major" -ge 5],[ OCAMLFIND_PACKAGES="unix" ],[ OCAMLFIND_PACKAGES="unix,bigarray" ]) AC_MSG_RESULT([$OCAMLFIND_PACKAGES]) AC_SUBST([OCAMLFIND_PACKAGES]) ]) dnl Check if OCaml has caml_alloc_custom_mem (added in OCaml 4.08). AS_IF([test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"],[ AC_MSG_CHECKING([for caml_alloc_custom_mem]) cat >conftest.c <<'EOF' #include int main () { char *p = (void *)caml_alloc_custom_mem; return 0; } EOF AS_IF([$OCAMLC conftest.c >&AS_MESSAGE_LOG_FD 2>&1],[ AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_CAML_ALLOC_CUSTOM_MEM],[1], [caml_alloc_custom_mem found at compile time.]) ],[ AC_MSG_RESULT([no]) ]) rm -f conftest.c conftest.o ]) dnl Check if OCaml has caml_alloc_initialized_string (added in OCaml 4.06). AS_IF([test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"],[ AC_MSG_CHECKING([for caml_alloc_initialized_string]) cat >conftest.c <<'EOF' #include int main () { char *p = (void *)caml_alloc_initialized_string; return 0; } EOF AS_IF([$OCAMLC conftest.c >&AS_MESSAGE_LOG_FD 2>&1],[ AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_CAML_ALLOC_INITIALIZED_STRING],[1], [caml_alloc_initialized_string found at compile time.]) ],[ AC_MSG_RESULT([no]) ]) rm -f conftest.c conftest.o ]) dnl Check if OCaml has caml_unix_get_sockaddr dnl (added in OCaml 4.14, previously called 'get_sockaddr'). AS_IF([test "x$OCAMLC" != "xno" && test "x$OCAMLFIND" != "xno" && \ test "x$enable_ocaml" = "xyes"],[ AC_MSG_CHECKING([for caml_unix_get_sockaddr]) cat >conftest.c <<'EOF' #include #include int main () { char *p = (void *)caml_unix_get_sockaddr; return 0; } EOF AS_IF([$OCAMLC conftest.c >&AS_MESSAGE_LOG_FD 2>&1],[ AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_CAML_UNIX_GET_SOCKADDR],[1], [caml_unix_get_sockaddr found at compile time.]) ],[ AC_MSG_RESULT([no]) ]) rm -f conftest.c conftest.o ]) dnl Python, optional for the Python bindings and shell. PYTHON_PREFIX= PYTHON_VERSION= PYTHON_INSTALLDIR= AC_ARG_ENABLE([python], AS_HELP_STRING([--disable-python], [disable Python 3 language bindings]), [], [enable_python=yes]) AS_IF([test "x$enable_python" != "xno"],[ AC_CHECK_PROG([PYTHON],[python3],[python3],[no]) if test "x$PYTHON" != "xno"; then AC_MSG_CHECKING([Python version]) PYTHON_VERSION_MAJOR=`$PYTHON -c "import sys; print (sys.version_info@<:@0@:>@)"` PYTHON_VERSION_MINOR=`$PYTHON -c "import sys; print (sys.version_info@<:@1@:>@)"` PYTHON_VERSION="$PYTHON_VERSION_MAJOR.$PYTHON_VERSION_MINOR" AC_MSG_RESULT([$PYTHON_VERSION]) # Debian: python-3.2.pc PKG_CHECK_MODULES([PYTHON], [python-"$PYTHON_VERSION"],[ have_python_module=1 AC_SUBST([PYTHON_CFLAGS]) AC_SUBST([PYTHON_LIBS]) AC_SUBST([PYTHON_VERSION]) AC_DEFINE([HAVE_PYTHON],[1],[Python library found at compile time]) ],[ PKG_CHECK_MODULES([PYTHON], [python],[ have_python_module=1 AC_SUBST([PYTHON_CFLAGS]) AC_SUBST([PYTHON_LIBS]) AC_SUBST([PYTHON_VERSION]) AC_DEFINE([HAVE_PYTHON],[1],[Python library found at compile time]) ],[ AC_MSG_WARN([python $PYTHON_VERSION not found]) ]) ]) AC_MSG_CHECKING([Python prefix]) PYTHON_PREFIX=`$PYTHON -c "import sys; print (sys.prefix)"` AC_MSG_RESULT([$PYTHON_PREFIX]) AC_ARG_WITH([python-installdir], [AS_HELP_STRING([--with-python-installdir=...], [directory to install python modules @<:@default=check@:>@])], [PYTHON_INSTALLDIR="$withval" AC_MSG_NOTICE([Python install dir $PYTHON_INSTALLDIR])], [PYTHON_INSTALLDIR=check]) if test "x$PYTHON_INSTALLDIR" = "xcheck"; then PYTHON_INSTALLDIR= AC_MSG_CHECKING([for Python site-packages path]) if test -z "$PYTHON_INSTALLDIR"; then PYTHON_INSTALLDIR=`$PYTHON -c "import sysconfig; \ print (sysconfig.get_path('platlib'));"` fi AC_MSG_RESULT([$PYTHON_INSTALLDIR]) fi AC_MSG_CHECKING([for Python extension suffix (PEP-3149)]) if test -z "$PYTHON_EXT_SUFFIX"; then python_ext_suffix=`$PYTHON -c "import sysconfig; \ print (sysconfig.get_config_var('EXT_SUFFIX') or sysconfig.get_config_var('SO'))"` PYTHON_EXT_SUFFIX=$python_ext_suffix fi AC_MSG_RESULT([$PYTHON_EXT_SUFFIX]) fi AC_SUBST(PYTHON_PREFIX) AC_SUBST(PYTHON_VERSION) AC_SUBST(PYTHON_INSTALLDIR) AC_SUBST(PYTHON_EXT_SUFFIX) ]) AM_CONDITIONAL([HAVE_PYTHON], [test "x$PYTHON" != "xno" && test "x$have_python_module" = "x1" ]) dnl Use --enable-python-code-style to enable flake8 tests. AC_ARG_ENABLE([python-code-style], [AS_HELP_STRING([--enable-python-code-style], [enable Python code style (flake8) checks (for developers)])], [enable_pycodestyle=$enableval], [enable_pycodestyle=no]) AM_CONDITIONAL([ENABLE_PYCODESTYLE],[test "x$enable_pycodestyle" = "xyes"]) dnl Golang. AC_ARG_ENABLE([golang], AS_HELP_STRING([--disable-golang], [disable Go language bindings]), [], [enable_golang=yes]) AS_IF([test "x$enable_golang" != "xno"],[ AC_CHECK_PROG([GOLANG],[go],[go],[no]) AC_CHECK_PROG([GOFMT],[gofmt],[gofmt],[no]) AS_IF([test "x$GOLANG" != "xno"],[ $GOLANG version ||: AC_MSG_CHECKING([for $GOLANG major version]) [GOLANG_MAJOR_VERSION=`$GOLANG version | $SED 's/.*go\([[:digit:]]*\).*/\1/g'`] AC_MSG_RESULT([$GOLANG_MAJOR_VERSION]) AC_SUBST([GOLANG_MAJOR_VERSION]) AC_MSG_CHECKING([for $GOLANG minor version]) [GOLANG_MINOR_VERSION=`$GOLANG version | $SED 's/.*go[[:digit:]]*\.\([[:digit:]]*\).*/\1/g'`] AC_MSG_RESULT([$GOLANG_MINOR_VERSION]) AC_SUBST([GOLANG_MINOR_VERSION]) AC_MSG_CHECKING([if $GOLANG is usable]) AS_IF([ ( cd $srcdir/golang/configure && $GOLANG run . 2>&AS_MESSAGE_LOG_FD 1>&2 && $GOLANG mod tidy 2>&AS_MESSAGE_LOG_FD 1>&2 ) ],[ AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) AC_MSG_WARN([golang ($GOLANG) is installed but not usable]) GOLANG=no ]) ]) ],[GOLANG=no]) AM_CONDITIONAL([HAVE_GOLANG],[test "x$GOLANG" != "xno"]) dnl Rust. AC_ARG_ENABLE([rust], AS_HELP_STRING([--disable-rust], [disable Rust language bindings]), [], [enable_rust=yes]) AS_IF([test "x$enable_rust" != "xno"],[ AC_CHECK_PROG([CARGO],[cargo],[cargo],[no]) AS_IF([test "x$CARGO" != "xno"],[ printf "cargo version is "; $CARGO --version printf "rustc version is "; rustc --version ]) AC_CHECK_PROG([RUSTFMT],[rustfmt],[rustfmt],[no]) AS_IF([test "x$RUSTFMT" != "xno"],[ printf "rustfmt version is "; $RUSTFMT --version ]) AS_IF([test "x$CARGO" != "xno"],[ AC_MSG_CHECKING([if $CARGO is usable]) AS_IF([ ( cd $srcdir/rust/cargo_test && $CARGO test 2>&AS_MESSAGE_LOG_FD 1>&2 && $CARGO doc 2>&AS_MESSAGE_LOG_FD 1>&2 ) ],[ AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) AC_MSG_WARN([Rust ($CARGO) is installed but not usable]) CARGO=no ]) ]) ],[CARGO=no]) AM_CONDITIONAL([HAVE_RUST],[test "x$CARGO" != "xno"]) AC_MSG_CHECKING([for how to mark DSO non-deletable at runtime]) NODELETE= `$LD --help 2>&1 | grep -- "-z nodelete" >/dev/null` && \ NODELETE="-Wl,-z -Wl,nodelete" AC_MSG_RESULT([$NODELETE]) AC_SUBST([NODELETE]) AC_MSG_CHECKING([for how to set DSO symbol versions]) case $host_os in darwin*) VERSION_SCRIPT= ;; *) VERSION_SCRIPT="-Wl,--version-script=${srcdir}/libnbd.syms" ;; esac AC_MSG_RESULT([$VERSION_SCRIPT]) AC_SUBST([VERSION_SCRIPT]) dnl Produce output files. AC_CONFIG_HEADERS([config.h]) AC_CONFIG_FILES([podwrapper.pl], [chmod +x,-w podwrapper.pl]) AC_CONFIG_FILES([python/run-python-tests], [chmod +x,-w python/run-python-tests]) AC_CONFIG_FILES([run], [chmod +x,-w run]) AC_CONFIG_FILES([rust/run-tests.sh], [chmod +x,-w rust/run-tests.sh]) AC_CONFIG_FILES([sh/nbdsh], [chmod +x,-w sh/nbdsh]) AC_CONFIG_FILES([Makefile bash-completion/Makefile common/include/Makefile common/utils/Makefile copy/Makefile docs/Makefile dump/Makefile examples/Makefile fuse/Makefile fuzzing/Makefile generator/Makefile generator/config.ml golang/Makefile golang/examples/Makefile include/Makefile info/Makefile interop/Makefile interop/nbd-server.conf interop/nbd-server-tls.conf lib/Makefile lib/libnbd.pc lib/local/libnbd.pc ocaml/Makefile ocaml/META ocaml/examples/Makefile ocaml/tests/Makefile ocaml/tests/ocaml_test_config.ml python/Makefile rust/Makefile sh/Makefile tests/Makefile tests/functions.sh ublk/Makefile valgrind/Makefile]) AC_OUTPUT dnl Summary. echo echo echo "----------------------------------------------------------------------" echo "Thank you for downloading $PACKAGE_STRING" echo echo "This is how we have configured the optional components for you today:" echo print () { printf ' %.40s %s\n' \ "$1 ........................................" "$2" } feature () { feat="$1" shift if "$@"; then print "$feat" "yes" else print "$feat" "no" fi } echo "Optional library features:" echo feature "TLS support" test "x$HAVE_GNUTLS_TRUE" = "x" feature "NBD URI support" test "x$HAVE_LIBXML2_TRUE" = "x" feature "AF_VSOCK support" test "x$ac_cv_type_struct_sockaddr_vm" = "xyes" feature "FUSE support" test "x$HAVE_FUSE_TRUE" = "x" feature "ublk support" test "x$HAVE_UBLK_TRUE" = "x" feature "Manual pages" test "x$HAVE_POD_TRUE" = "x" feature "Bash tab completion" test "x$HAVE_BASH_COMPLETION_TRUE" = "x" echo echo "Language bindings:" echo feature "Go" test "x$HAVE_GOLANG_TRUE" = "x" feature "OCaml" test "x$HAVE_OCAML_TRUE" = "x" feature "Python" test "x$HAVE_PYTHON_TRUE" = "x" feature "Rust" test "x$HAVE_RUST_TRUE" = "x" echo echo "Server interoperability testing:" echo feature "qemu-nbd" test "x$HAVE_QEMU_NBD_TRUE" = "x" feature "qemu-storage-daemon" test "x$HAVE_QEMU_STORAGE_DAEMON_TRUE" = "x" feature "nbdkit" test "x$HAVE_NBDKIT_TRUE" = "x" feature "nbd-server" test "x$HAVE_NBD_SERVER_TRUE" = "x" echo echo "Examples:" echo feature "glib example" test "x$GLIB_LIBS" != "x" feature "libev example" test "x$LIBEV_LIBS" != "x" echo echo "If any optional component is configured ‘no’ when you expected ‘yes’" echo "then you should check the preceding messages and README." echo echo "Please report bugs back to the mailing list:" echo "https://lists.libguestfs.org" echo echo "Next you should type 'make' to build the package," echo "then 'make check' to run the tests." libnbd-1.22.2/aclocal.m40000644000175000017500000017125015001726367010366 # generated automatically by aclocal 1.17 -*- Autoconf -*- # Copyright (C) 1996-2024 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.72],, [m4_warning([this file was generated for autoconf 2.72. 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See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA dnl 02111-1307, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a dnl configuration script generated by Autoconf, you may include it under dnl the same distribution terms that you use for the rest of that dnl program. dnl PKG_PREREQ(MIN-VERSION) dnl ----------------------- dnl Since: 0.29 dnl dnl Verify that the version of the pkg-config macros are at least dnl MIN-VERSION. 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Define to 500 only if necessary to make mbstate_t available. */ #ifndef _XOPEN_SOURCE # undef _XOPEN_SOURCE #endif /* Version number of package */ #undef VERSION /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most significant byte first (like Motorola and SPARC, unlike Intel). */ #if defined AC_APPLE_UNIVERSAL_BUILD # if defined __BIG_ENDIAN__ # define WORDS_BIGENDIAN 1 # endif #else # ifndef WORDS_BIGENDIAN # undef WORDS_BIGENDIAN # endif #endif /* Number of bits in a file offset, on hosts where this is settable. */ #undef _FILE_OFFSET_BITS /* Define to 1 on platforms where this makes off_t a 64-bit type. */ #undef _LARGE_FILES /* Number of bits in time_t, on hosts where this is settable. */ #undef _TIME_BITS /* Define to 1 on platforms where this makes time_t a 64-bit type. */ #undef __MINGW_USE_VC2005_COMPAT /* Define like PROTOTYPES; this can be used by system headers. */ #undef __PROTOTYPES libnbd-1.22.2/podwrapper.pl.in0000755000175000017500000004425514671773677011704 #!/usr/bin/env perl # podwrapper.pl # @configure_input@ # Copyright Red Hat # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # * Neither the name of Red Hat nor the names of its contributors may be # used to endorse or promote products derived from this software without # specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. use warnings; use strict; #use Carp; #$SIG{ __DIE__ } = sub { Carp::confess( @_ ) }; use Pod::Usage; use Getopt::Long; use Pod::Man; use Pod::Simple; use Pod::Simple::Text; use Pod::Simple::XHTML; use File::Basename; # https://www.redhat.com/archives/libguestfs/2013-May/thread.html#00088 eval { $Text::Wrap::huge = "overflow" }; # All man page names must match this function. sub validate_name_field { local $_ = shift; $_ =~ m/^libnbd/ || $_ =~ m/^nbd/; } # The license for man pages in this package - see LICENSE below. my $package_license = "lgplv2plus"; =head1 NAME podwrapper.pl - generate documentation from POD input files =head1 SYNOPSIS EXTRA_DIST = foo.pod if HAVE_POD man_MANS = foo.1 CLEANFILES += $(man_MANS) foo.1: foo.pod $(PODWRAPPER) --section 1 --man $@ \ --html $(top_builddir)/html/$@.html \ $< endif HAVE_POD =head1 DESCRIPTION podwrapper.pl is a Perl script that generates various output formats from POD input files that this project uses for most documentation. You must specify one input file, and one or more output formats. The output options are I<--man>, I<--html> and I<--text> (see below). In C files, use a variation of the boilerplate shown in the L section above. For information about the POD format, see L. =head1 OPTIONS =over 4 =cut my $help; =item B<--help> Display brief help. =cut my $allow_long_lines; =item B<--allow-long-lines> Allow lines longer than 76 characters in the input. Use this if the man page is not written by hand. =cut my $html; =item B<--html> output.html Write a web page to F. If this option is not given, then no web page output is produced. =cut my @inserts; =item B<--insert> filename:__PATTERN__ In the input file, replace the literal text C<__PATTERN__> with the replacement file F. You can give this option multiple times. The contents of F are treated as POD. Compare and contrast with I<--verbatim>. Although it is conventional to use C<__...__> (double underscores) for patterns, in fact you can use any string as the pattern. =cut my $man; =item B<--man> output.n Write a man page to F (C is the manual section number). If this option is not given, then no man page output is produced. =cut my $name; =item B<--name> NAME Set the name of the man page. If not set, defaults to the basename of the input file. =cut my @replaces; =item B<--replace> __PATTERN__:CONTENT In the input file, replace the literal text C<__PATTERN__> with the literal replacement string . You can give this option multiple times. Although it is conventional to use C<__...__> (double underscores) for patterns, in fact you can use any string as the pattern. =cut my $section; =item B<--section> N Set the section of the man page (a number such as C<1> for command line utilities or C<3> for C API documentation). If not set, defaults to C<1>. =cut my $text; =item B<--text> output.txt Write a text file to F. If this option is not given, then no text output is produced. =cut my @verbatims; =item B<--verbatim> filename:__PATTERN__ In the input file, replace the literal text C<__PATTERN__> with the replacement file F. You can give this option multiple times. The contents of F are inserted as verbatim text, and are I interpreted as POD. Compare and contrast with I<--insert>. Although it is conventional to use C<__...__> (double underscores) for patterns, in fact you can use any string as the pattern. =cut # Clean up the program name. my $progname = $0; $progname =~ s{.*/}{}; # Parse options. GetOptions ("help|?" => \$help, "allow-long-lines" => \$allow_long_lines, "html=s" => \$html, "insert=s" => \@inserts, "man=s" => \$man, "name=s" => \$name, "replace=s" => \@replaces, "section=s" => \$section, "text=s" => \$text, "verbatim=s" => \@verbatims, ) or pod2usage (2); pod2usage (1) if $help; die "$progname: missing argument: podwrapper input.pod\n" unless @ARGV == 1; my $input = $ARGV[0]; # There should be at least one output. die "$progname: $input: no output format specified. Use --man and/or --html and/or --text.\n" unless defined $man || defined $html || defined $text; # Default for $name and $section. $name = basename ($input, ".pod") unless defined $name; $section = 1 unless defined $section; # Note that these @...@ are substituted by ./configure. my $abs_top_srcdir = "@abs_top_srcdir@"; my $abs_top_builddir = "@abs_top_builddir@"; my $package_name = "@PACKAGE_NAME@"; my $package_version = "@PACKAGE_VERSION@"; die "$progname: ./configure substitutions were not performed" unless $abs_top_srcdir && $abs_top_builddir && $package_name && $package_version; # Create a stable date (thanks Hilko Bengen). my $date; my $filename = "$abs_top_srcdir/.git"; if (!$date && -d $filename) { local $ENV{GIT_DIR} = $filename; $date = `git show -O/dev/null -s --format=format:%cs`; } if (!$date) { my ($day, $month, $year) = (gmtime($ENV{SOURCE_DATE_EPOCH} || time))[3,4,5]; $date = sprintf ("%04d-%02d-%02d", $year+1900, $month+1, $day); } # Create a release string. my $release = "$package_name-$package_version"; #print "input=$input\n"; #print "name=$name\n"; #print "section=$section\n"; #print "date=$date\n"; # Read the input. my $content = read_whole_file ($input); # Perform @inserts. foreach (@inserts) { my @a = split /:/, $_, 2; die "$progname: $input: no colon in parameter of --insert\n" unless @a >= 2; my $replacement = read_whole_file ($a[0]); my $oldcontent = $content; $content =~ s/$a[1]/$replacement/ge; die "$progname: $input: could not find pattern '$a[1]' in input file\n" if $content eq $oldcontent; } # Turn external links to this man page into simple cross-section links. $content =~ s,\QL<$name($section)/\E,L= 2; my $oldcontent = $content; $content =~ s/$a[0]/$a[1]/g; die "$progname: $input: could not find pattern '$a[0]' in input file\n" if $content eq $oldcontent; } # Perform @verbatims. foreach (@verbatims) { my @a = split /:/, $_, 2; die "$progname: $input: no colon in parameter of --verbatim\n" unless @a >= 2; my $replacement = read_verbatim_file ($a[0]); my $oldcontent = $content; $content =~ s/$a[1]/$replacement/ge; die "$progname: $input: could not find pattern '$a[1]' in input file\n" if $content eq $oldcontent; } # Check the content is valid UTF8. die "$progname: $input: is not valid utf8" unless utf8::is_utf8 ($content); # There should be no =encoding line present in the content. die "$progname: $input: =encoding must not be present in input\n" if $content =~ /^=encoding/m; # Don't permit trailing whitespace. die "$progname: $input: trailing whitespace in input\n" if $content =~ /[ \t]$/m; # We may add an encoding line, but this breaks RHEL 6-era Pod::Simple # with the error "Cannot decode string with wide characters". $content =~ s/^=(.*)/\n=encoding utf8\n\n=$1/m if $] >= 5.011; # Perl >= 5.11 # Verify sections present / not present. die "$progname: $input: missing NAME section\n" if $content !~ /^=head1 NAME/m; die "$progname: $input: missing DESCRIPTION section\n" if $content !~ /^=head1 DESCRIPTION/m; die "$progname: $input: missing AUTHOR or AUTHORS section\n" unless $content =~ /^=head1 AUTHOR/m; die "$progname: $input: missing SEE ALSO section\n" unless $content =~ /^=head1 SEE ALSO/m; die "$progname: $input: missing COPYRIGHT section\n" unless $content =~ /^=head1 COPYRIGHT/m; die "$progname: $input: BUGS is now added automatically, do not add it to the POD file\n" if $content =~ /^=head1 (REPORTING )?BUGS/m; die "$progname: $input: LICENSE is now added automatically, do not add it to the POD file\n" if $content =~ /^=head1 LICENSE/m; # Check NAME section conformity. my @lines = split /\n/, $content; my @name; foreach (@lines) { push @name, $_ if /^=head1 NAME/../^=head1 (?!NAME)/ } shift @name; # remove =head1 and empty line shift @name; # from beginning and end pop @name; pop @name; die "$progname: $input: empty NAME section\n" unless @name >= 1; die "$progname: $input: NAME doesn't start with $package_name\n" unless validate_name_field ($name[0]); die "$progname: $input: NAME doesn't match man page name\n" unless $name[0] =~ /\b$name\b.* - /; die "$progname: $input: NAME does not conform with Linux man pages standard\n" if $name[0] !~ m/- [a-z]/ || $name[@name-1] =~ m/\.$/; unless ($allow_long_lines) { # Check no over-long lines in the input. (As a special exception # this is permitted in verbatim sections or if the line contains a # URL). foreach (@lines) { die "$progname: $input: line too long:\n$_\n" if length $_ > 76 && substr ($_, 0, 1) ne ' ' && ! m/https?:/; } } # Check for bare URLs. They should probably be replaced by L<> links. # (Allow them in verbatim sections) # Older Perl did not support variable length lookbehind, hence the # eval here. my $re = eval ' qr/(? link\n" } } } # Add standard LICENSE section at the end. my $license_lgplv2plus = "\ This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA "; my $license_bsd = "\ Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: =over 4 =item * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. =item * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. =item * Neither the name of Red Hat nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. =back THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. "; $content .= "\n=head1 LICENSE\n"; $content .= eval "\$license_$package_license"; # Check cross-references to other nbdkit man pages exist. my @xrefs = $content =~ /L<(nbd_.*?\([1-9]\))>/g; foreach (@xrefs) { # All documentation in section 3. if (m/^nbd_(.*)\(3\)$/) { my $name = $1; die "$progname: $input: cannot find cross reference for $_\n" unless -f "$abs_top_srcdir/docs/nbd_$name.pod" || -f "$abs_top_srcdir/docs/nbd_$name.3"; } else { die "$progname: $input: cannot find cross-reference for $_\n" } } # Output man page. SUBMAN: { package Podwrapper::Man; use vars qw(@ISA $VERSION); @ISA = qw(Pod::Man); $VERSION = $package_version; # Override the L<> method. sub cmd_l { my ($self, $attrs, $text) = @_; return $text; } } if ($man) { my $parser = Podwrapper::Man->new ( name => $name, release => $release, section => $section, center => uc $package_name, date => $date, stderr => 1, utf8 => 1 ); my $output; $parser->no_errata_section (1); $parser->complain_stderr (1); $parser->output_string (\$output); $parser->parse_string_document ($content) or die "$progname: could not parse input document"; open OUT, ">$man" or die "$progname: $man: $!"; print OUT $output or die "$progname: $man: $!"; close OUT or die "$progname: $man: $!"; if ($parser->any_errata_seen) { unlink $man; die "$input: errors or warnings in this POD file, see messages above\n" } #print "$progname: wrote $man\n"; } # Output HTML. SUBHTML: { # Subclass Pod::Simple::XHTML. See the documentation. package Podwrapper::XHTML; use vars qw(@ISA $VERSION); @ISA = qw(Pod::Simple::XHTML); $VERSION = $package_version; # Note this also allows links to related projects because they all # appear together under the http://libguestfs.org website. sub is_a_local_page { local $_ = shift; return 1 if /^Sys::Guestfs/; return 0 if /^virt-install/; return 1 if /^virt-/; return 1 if /^libguestf/; return 1 if /^guestf/; return 1 if /^guestmount/; return 1 if /^guestunmount/; return 1 if /^hivex/; return 1 if /^supermin/; return 1 if /^libnbd/; return 0 if /^nbd-server\(/ || /^nbd-client\(/; return 1 if /^nbd/; return 0; } sub resolve_man_page_link { my $self = shift; my $name = $_[0]; # eg. "foobar(3)", can be undef my $anchor = $_[1]; # eg. "SYNOPSIS", can be undef my $r = ""; if (defined $name) { return $self->SUPER::resolve_man_page_link (@_) unless is_a_local_page ($name); $name =~ s/\((.*)\)$/.$1/; $r .= "$name.html"; } $r .= "#" . $self->idify ($anchor, 1) if defined $anchor; $r; } } if ($html) { mkdir "$abs_top_builddir/html"; my $parser = Podwrapper::XHTML->new; my $output; $parser->no_errata_section (1); $parser->complain_stderr (1); $parser->force_title ($name[0]); # from @name above $parser->output_string (\$output); # Added in Pod::Simple 3.16, 2011-03-14. eval { $parser->html_charset ("UTF-8") }; $parser->html_css ("pod.css"); $parser->index (1); $parser->parse_string_document ($content); # Hack for Perl 5.16. $output =~ s{/>pod.css<}{/>\n<}; open OUT, ">$html" or die "$progname: $html: $!"; print OUT $output or die "$progname: $html: $!"; close OUT or die "$progname: $html: $!"; if ($parser->any_errata_seen) { unlink $html; die "$input: errors or warnings in this POD file, see messages above\n" } #print "$progname: wrote $html\n"; } # Output text. if ($text) { my $parser = Pod::Simple::Text->new; my $output; $parser->no_errata_section (1); $parser->complain_stderr (1); $parser->output_string (\$output); $parser->parse_string_document ($content); open OUT, ">$text" or die "$progname: $text: $!"; binmode OUT, ":utf8"; print OUT $output or die "$progname: $text: $!"; close OUT or die "$progname: $text: $!"; if ($parser->any_errata_seen) { unlink $text; die "$input: errors or warnings in this POD file, see messages above\n" } #print "$progname: wrote $text\n"; } sub read_whole_file { my $input = shift; local $/ = undef; open FILE, "<:encoding(UTF-8)", $input or die "$progname: $input: $!"; $_ = ; close FILE; $_; } sub read_verbatim_file { my $input = shift; my @r = (); open FILE, "<:encoding(UTF-8)", $input or die "$progname: $input: $!"; while () { chomp; if (length) { push @r, " $_" } else { push @r, "" } } close FILE; return join ("\n", @r) . "\n"; } =head1 SEE ALSO L, L. =head1 AUTHOR Richard W.M. Jones. =head1 COPYRIGHT Copyright Red Hat libnbd-1.22.2/run.in0000755000175000017500000001151214525371754007665 #!/usr/bin/env bash # libnbd 'run' programs locally script # Copyright Red Hat # # @configure_input@ # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA #---------------------------------------------------------------------- # With this script you can run libnbd programs without needing to # install libnbd first. You just have to do for example: # # ./run nbdsh # # or: # # ./run /path/to/my/libnbd/program # # or: # # ./run python # >>> import nbd # locally-compiled nbd module # # This works for any C program and most non-C bindings. # # You can also compile other projects against this uninstalled libnbd # tree if those projects are using pkgconf/pkg-config: # # ../libnbd/run ./configure # make #---------------------------------------------------------------------- # Function to intelligently prepend a path to an environment variable. # See http://stackoverflow.com/a/9631350 prepend() { eval $1="$2\${$1:+:\$$1}" } # Source and build directories (absolute paths so this works from any # directory). s="$(cd @abs_srcdir@ && pwd)" b="$(cd @abs_builddir@ && pwd)" # Set the PATH to contain all libnbd binaries. prepend PATH "$b/copy" prepend PATH "$b/dump" prepend PATH "$b/fuse" prepend PATH "$b/info" prepend PATH "$b/sh" prepend PATH "$b/ublk" export PATH # Set LD_LIBRARY_PATH and DYLD_LIBRARY_PATH to contain library. # For use of _DYLD_LIBRARY_PATH see sh/nbdsh. prepend LD_LIBRARY_PATH "$b/lib/.libs" prepend DYLD_LIBRARY_PATH "$b/lib/.libs" prepend _DYLD_LIBRARY_PATH "$b/lib/.libs" export LD_LIBRARY_PATH export DYLD_LIBRARY_PATH export _DYLD_LIBRARY_PATH # For Python. export PYTHON="@PYTHON@" prepend PYTHONPATH "$b/python/.libs" prepend PYTHONPATH "$b/python" prepend PYTHONPATH "$s/python" export PYTHONPATH # For OCaml. prepend CAML_LD_LIBRARY_PATH "$b/ocaml" export CAML_LD_LIBRARY_PATH # For golang. export GOLANG="@GOLANG@" if [ -z "$CGO_CFLAGS" ]; then CGO_CFLAGS="-I$s/include -I$b" else CGO_CFLAGS="$CGO_CFLAGS -I$s/include -I$b" fi export CGO_CFLAGS if [ -z "$CGO_LDFLAGS" ]; then CGO_LDFLAGS="-L$b/lib/.libs" else CGO_LDFLAGS="$CGO_LDFLAGS -L$b/lib/.libs" fi export CGO_LDFLAGS if [ -n "@GOLANG_MAJOR_VERSION@" ] && ( ( [ "@GOLANG_MAJOR_VERSION@" -eq 1 ] && [ "@GOLANG_MINOR_VERSION@" -ge 21 ] ) || [ "@GOLANG_MAJOR_VERSION@" -ge 2 ] ); then # cgocheck=1 "implements reasonably cheap dynamic checks" export GODEBUG=cgocheck=1,invalidptr=1 # cgocheck2 implements complete pointer checking. export GOEXPERIMENT=cgocheck2 else # golang <= 1.20 used this instead: export GODEBUG=cgocheck=2,invalidptr=1 fi # On failure, crash (giving us a useful core dump) instead of hiding that. export GOTRACEBACK=crash # Allow dependent packages to be compiled against local libnbd. prepend PKG_CONFIG_PATH "$b/lib/local" export PKG_CONFIG_PATH prepend OCAMLPATH "$b/ocaml" export OCAMLPATH # Do we have libtool? If we have it then we can use it to make # running valgrind simpler. However don't depend on it. if libtool --help >/dev/null 2>&1; then libtool="libtool --mode=execute" fi # Use valgrind? # # If we're running a binary then apply valgrind directly to it. # # If it's a shell script then we set $VG and the script must run any # valgrinded programs by using $VG explicitly (note this variable is # not set if not valgrinding). # # Unfortunately the obvious thing of running ‘file $1’ will not work # because of libtool, so we have to base this off the file extension. if [ "x$LIBNBD_VALGRIND" = "x1" ]; then _VG="valgrind --vgdb=no --leak-check=full --show-leak-kinds=all --error-exitcode=119 --suppressions=$b/valgrind/suppressions --trace-children=no --run-libc-freeres=no --num-callers=100" case "$1" in *.sh) VG="$libtool $_VG"; export VG ;; *) valgrind="$_VG" ;; esac # Don't invoke malloc debugging when we are valgrinding because # it duplicates work done by valgrind and might even hide issues. # # Originally this was a workaround for: # https://sourceware.org/bugzilla/show_bug.cgi?id=28256 unset GLIBC_TUNABLES fi # Avoid GNOME keyring stupidity export GNOME_KEYRING_CONTROL= export GNOME_KEYRING_PID= # Run the program. exec $libtool $valgrind "$@" libnbd-1.22.2/common-rules.mk0000644000175000017500000000233614525371754011503 # nbd client library in userspace # Copyright Red Hat # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA # common-rules.mk is included in every Makefile.am. # subdir-rules.mk is included only in subdirectories. # Convenient list terminator NULL = CLEANFILES = *~ $(generator_built): $(top_builddir)/generator/stamp-generator $(top_builddir)/generator/stamp-generator: \ $(wildcard $(top_srcdir)/generator/*.ml) \ $(wildcard $(top_srcdir)/generator/*.mli) \ $(wildcard $(top_srcdir)/generator/states*.c) $(MAKE) -C $(top_builddir)/generator stamp-generator libnbd-1.22.2/COPYING.LIB0000664000175000017500000006422714525371754010203 This is the general license covering libnbd. The example code (in the examples/ subdirectory) is distributed under a different license, see examples/LICENSE-FOR-EXAMPLES. ---------------------------------------------------------------------- GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, February 1999 Copyright (C) 1991, 1999 Free Software Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. [This is the first released version of the Lesser GPL. It also counts as the successor of the GNU Library Public License, version 2, hence the version number 2.1.] Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. 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To apply these terms, attach the following notices to the library. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Also add information on how to contact you by electronic and paper mail. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the library, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! libnbd-1.22.2/README.md0000644000175000017500000001351214703254550007777 ## NBD client library in userspace NBD — Network Block Device — is a protocol for accessing Block Devices (hard disks and disk-like things) over a Network. This is the NBD client library in userspace, a simple library for writing NBD clients. The key features are: * Synchronous API for ease of use. * Asynchronous API for writing non-blocking, multithreaded clients. You can mix both APIs freely. * High performance. * Minimal dependencies for the basic library. * Well-documented, stable API. * Bindings in several programming languages. * Shell (nbdsh) for command line and scripting. * Copying tool (nbdcopy) for high performance copying and streaming. * Hexdump tool (nbddump) to print NBD content. * Query tool (nbdinfo) to query NBD servers. * FUSE support (nbdfuse) to mount NBD in the local filesystem. * Linux ublk support (nbdublk) to create the userspace block device. For documentation, see the [docs](docs/) and [examples](examples/) subdirectories. ## License The software is Copyright Red Hat and licensed under the GNU Lesser General Public License version 2 or above (LGPLv2+). See the file [COPYING.LIB](COPYING.LIB) for details. The examples are under a very liberal license. ## Building from source To build from git: ``` autoreconf -i ./configure make make check ``` To build from tarball: ``` ./configure make make check ``` It is **not** normally recommended to use `make install` since it may partially overwrite any system-installed libnbd. It is better to run from the build directory using the [`./run` script](run.in), eg: ``` ./run nbdsh ``` You can install into a destdir (for packaging or moving to another machine) by doing: ``` make install DESTDIR=/var/tmp/some-directory ``` To run the tests under valgrind: ``` make check-valgrind ``` To run benchmarks: ``` make bench ``` Some tests require root permissions (and are therefore risky). If you want to run these tests, do: ``` sudo make check-root ``` On FreeBSD, OpenBSD and macOS which do not have GNU make by default you must use `gmake` instead of `make`. Requirements: * Linux, FreeBSD or OpenBSD. Other OSes may also work but we have only tested these three. * GCC or Clang * GNU make * bash >= 4 Required for building from git, optional for building from tarballs: * OCaml (ocamlc, the bytecode compiler) is required to generate some source files, which is needed to build from git. However ocamlc is _not_ needed if building from the official tarballs from http://download.libguestfs.org/libnbd/ because those contain the generated files. Recommended - if not present, some features will be disabled: * GnuTLS is recommended for TLS support. If not available then you will not be able to access encrypted servers and some APIs related to TLS will always return an error. * libxml2 is recommended for NBD URI support. If not available then a few APIs related to URIs will always return an error, and the nbdinfo tool is not built. Optional: * Perl Pod::Man and Pod::Simple to generate the documentation. * OCaml >= 4.05 and ocamlfind are both needed to generate the OCaml bindings. * Python >= 3.3 to build the Python 3 bindings and NBD shell (nbdsh). * FUSE 3 to build the nbdfuse program. * Linux >= 6.0 and ublksrv library to build nbdublk program. * go and cgo >= 1.17, for compiling the golang bindings and tests. * cargo with a recent stable toolchain is required to build the Rust bindings. * bash-completion >= 1.99 for tab completion. Optional, only needed if running 'make dist' for a canonical tarball: * gofmt for canonical formatting of generated .go files. * rustfmt for canonical formatting of generated .rs files. Optional, only needed to run the test suite: * nbdkit >= 1.12, the nbdkit basic plugins and the nbdkit basic filters are recommended as they are needed to run the test suite. * nbdkit, nbd-server, qemu-nbd and qemu-storage-daemon if you want to do interoperability testing against these servers. * A C++ compiler is needed if you want to test that the library works from C++. * coreutils, diffutils or standard Unix tools such as cmp, dd, stat, truncate. * libdl (dlopen, dlclose etc) to test this functionality. * qemu, qemu-io, qemu-img for interoperability testing. * certtool and psktool (part of GnuTLS) for testing TLS support. * valgrind if you want to run the tests under valgrind. * nbd-client and Linux nbd.ko for testing nbdcopy to/from devices. * flake8 to keep Python code formatted uniformly. * ss (from iproute) for TCP-based tests. * "sudo modprobe vsock_loopback" to run tests of AF_VSOCK (Linux-only). * libc_malloc_debug.so.0 (from glibc-utils) for enhanced testing of common malloc misuse. Optional, only needed to run some examples: * glib2 for examples that interoperate with the glib main loop. * libev for examples that interoperate with the libev library. ### Download tarballs Tarballs are available from: http://libguestfs.org/download/libnbd ## Developers Install the valgrind program and development headers. Use: ``` ./configure --enable-gcc-warnings --enable-python-code-style ``` When testing use: ``` make check make check-valgrind ``` Use the following one-time setup for nicer diffs of various files: ``` git config diff.ml.xfuncname '^(type|and|val|let) .*=' git config diff.ml-api.xfuncname '^(let .*=| "[^"]*", \{$)' git config diff.mli.xfuncname '^(type|and|val|module) ' git config diff.states.xfuncname '^([a-zA-Z_].*| [A-Z._0-9]*:$)' ``` For development ideas, see the [TODO](TODO) file. The upstream git repository is: https://gitlab.com/nbdkit/libnbd Patches are accepted either by email to the upstream mailing list: https://lists.libguestfs.org or by Merge Request on gitlab.com If you want to fuzz the library see [fuzzing/README](fuzzing/README). ## Other links * http://libguestfs.org/ * https://github.com/NetworkBlockDevice/nbd/blob/master/doc/proto.md * https://gitlab.com/nbdkit/nbdkit libnbd-1.22.2/TODO0000644000175000017500000000726714651201711007213 Explore if nbd_aio_notify_error is needed for faster response if server goes away. Bindings in other languages. - Latest attempt at adding Rust: https://www.redhat.com/archives/libguestfs/2019-August/msg00416.html Example code integrating with ppoll, pollfd, APR pollset (and others?). NBD resize extension. TLS should properly shut down the session (calling gnutls_bye). Potential deadlock with nbd_add_meta_context: if a client sends enough requests to the server that it blocks while writing, but the server replies to requests as they come in rather than waiting for the end of the client request, then the server can likewise block in writing replies that libnbd is not yet reading. Not an issue for existing servers that don't have enough contexts to reply with enough data to fill buffers, but could be an issue with qemu-nbd if it is taught to exports many dirty bitmaps simultaneously. Revamping the states-newstyle-meta-context.c state machine to let libnbd handle NBD_REP_META_CONTEXT while still writing queries could be hairy. Performance: Chart it over various buffer sizes and threads, as that should make it easier to identify systematic issues. Examine other fuzzers: https://gitlab.com/akihe/radamsa nbdcopy: - Enforce maximum block size. - Synchronous loop should be adjusted to take into account the NBD preferred block size, as was done for multi-thread loop. - Benchmark. - Better page cache usage, see nbdkit-file-plugin options fadvise=sequential cache=none. - Consider io_uring if there are performance bottlenecks. - Configurable retries in response to read or write failures. nbdfuse: - If you write beyond the end of the virtual file, it returns EIO. - Implement block_status. nbdinfo: - 'nbdinfo --map' needs --offset and --length parameters for mapping just a subset of the image - 'nbdinfo --map=context1 --map=context2' visiting two contexts in lock-step would be nice - 'nbdinfo --map' should consider probing all available contexts rather than just base:allocation Suggested API improvements: general: - synchronous APIs that have a timeout or can be cancelled connecting: - nbd_connect_tcp: allow control over whether IPv4 or IPv6 is desired - nbd_connect_uri: allow control over which features are enabled - nbd_connect_command: allow passing char **env - connection completed callback TLS: - should be individual APIs for setting each TLS file (set_tls_certificates can continue to exist) - TLS should have a way to pass in PIN or password to support encrypted keys - allow use of TLS memory APIs (gnutls_datum_t + gnutls_*_mem) - support PKCS11 URIs (RFC 7512) Easier server implementation testing: - a way to force NBD_OPT_EXPORT_NAME over NBD_OPT_GO - a way to send options before NBD_OPT_STARTTLS - a way to send unknown NBD_OPT or NBD_CMD subprocess - it should be possible to use nbd_close and never block, so maybe nbd_shutdown should wait for the subprocess or there should be another API to do this - capture error message when nbd_connect_command fails sockets - allow user to pass in their own socket functions, this would allow io_uring to be used OCaml: - Translate *error between OCaml Unix.error and C errno automatically using the functions in . This requires a change to the generator CBMutable (Int _) -> CBMutable (Errno _) which is quite a large change. Coding style: - consider replacing "#if defined (macro)" with "#if defined macro", or even just "#ifdef macro"; for shorter lines - investigate automatic code formatting tools (such a tool could be run in "check mode" in CI) Code sharing with nbdkit (header files, etc): - investigate a git submodule libnbd-1.22.2/compile0000755000175000017500000001670514751426463010114 #! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2024-06-19.01; # UTC # Copyright (C) 1999-2024 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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"$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libnbd-1.22.2/config.guess0000755000175000017500000014307214751426463011054 #!/usr/bin/sh # Attempt to guess a canonical system name. # Copyright 1992-2024 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2024-07-27' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # # Originally written by Per Bothner; maintained since 2000 by Ben Elliston. # # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.guess # # Please send patches to . # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. 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GUESS=romp-ibm-aix # uname -m gives an 8 hex-code CPU id ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) GUESS=i386-ibm-aix ;; ia64:AIX:*:*) if test -x /usr/bin/oslevel ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=$UNAME_VERSION.$UNAME_RELEASE fi GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include int main () { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` then GUESS=$SYSTEM_NAME else GUESS=rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then GUESS=rs6000-ibm-aix3.2.4 else GUESS=rs6000-ibm-aix3.2 fi ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if test -x /usr/bin/lslpp ; then IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \ awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` else IBM_REV=$UNAME_VERSION.$UNAME_RELEASE fi GUESS=$IBM_ARCH-ibm-aix$IBM_REV ;; *:AIX:*:*) GUESS=rs6000-ibm-aix ;; ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*) GUESS=romp-ibm-bsd4.4 ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and GUESS=romp-ibm-bsd$UNAME_RELEASE # 4.3 with uname added to ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) GUESS=rs6000-bull-bosx ;; DPX/2?00:B.O.S.:*:*) GUESS=m68k-bull-sysv3 ;; 9000/[34]??:4.3bsd:1.*:*) GUESS=m68k-hp-bsd ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) GUESS=m68k-hp-bsd4.4 ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` case $UNAME_MACHINE in 9000/31?) 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HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if test -x /usr/bin/getconf; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case $sc_cpu_version in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case $sc_kernel_bits in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if test "$HP_ARCH" = ""; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if test "$HP_ARCH" = hppa2.0w then set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi GUESS=$HP_ARCH-hp-hpux$HPUX_REV ;; ia64:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` GUESS=ia64-hp-hpux$HPUX_REV ;; 3050*:HI-UX:*:*) set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } GUESS=unknown-hitachi-hiuxwe2 ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) GUESS=hppa1.1-hp-bsd ;; 9000/8??:4.3bsd:*:*) GUESS=hppa1.0-hp-bsd ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) GUESS=hppa1.0-hp-mpeix ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) GUESS=hppa1.1-hp-osf ;; hp8??:OSF1:*:*) GUESS=hppa1.0-hp-osf ;; i*86:OSF1:*:*) if test -x /usr/sbin/sysversion ; then GUESS=$UNAME_MACHINE-unknown-osf1mk else GUESS=$UNAME_MACHINE-unknown-osf1 fi ;; parisc*:Lites*:*:*) GUESS=hppa1.1-hp-lites ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) GUESS=c1-convex-bsd ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) GUESS=c34-convex-bsd ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) GUESS=c38-convex-bsd ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) GUESS=c4-convex-bsd ;; CRAY*Y-MP:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=ymp-cray-unicos$CRAY_REL ;; CRAY*[A-Z]90:*:*:*) echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=t90-cray-unicos$CRAY_REL ;; CRAY*T3E:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=alphaev5-cray-unicosmk$CRAY_REL ;; CRAY*SV1:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=sv1-cray-unicos$CRAY_REL ;; *:UNICOS/mp:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=craynv-cray-unicosmp$CRAY_REL ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE ;; sparc*:BSD/OS:*:*) GUESS=sparc-unknown-bsdi$UNAME_RELEASE ;; *:BSD/OS:*:*) GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE ;; arm:FreeBSD:*:*) UNAME_PROCESSOR=`uname -p` set_cc_for_build if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi else FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf fi ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`uname -p` case $UNAME_PROCESSOR in amd64) UNAME_PROCESSOR=x86_64 ;; i386) UNAME_PROCESSOR=i586 ;; esac FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL ;; i*:CYGWIN*:*) GUESS=$UNAME_MACHINE-pc-cygwin ;; *:MINGW64*:*) GUESS=$UNAME_MACHINE-pc-mingw64 ;; *:MINGW*:*) GUESS=$UNAME_MACHINE-pc-mingw32 ;; *:MSYS*:*) GUESS=$UNAME_MACHINE-pc-msys ;; i*:PW*:*) GUESS=$UNAME_MACHINE-pc-pw32 ;; *:SerenityOS:*:*) GUESS=$UNAME_MACHINE-pc-serenity ;; *:Interix*:*) case $UNAME_MACHINE in x86) GUESS=i586-pc-interix$UNAME_RELEASE ;; authenticamd | genuineintel | EM64T) GUESS=x86_64-unknown-interix$UNAME_RELEASE ;; IA64) GUESS=ia64-unknown-interix$UNAME_RELEASE ;; esac ;; i*:UWIN*:*) GUESS=$UNAME_MACHINE-pc-uwin ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) GUESS=x86_64-pc-cygwin ;; prep*:SunOS:5.*:*) SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` GUESS=powerpcle-unknown-solaris2$SUN_REL ;; *:GNU:*:*) # the GNU system GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'` GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL ;; *:GNU/*:*:*) # other systems with GNU libc and userland GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC ;; x86_64:[Mm]anagarm:*:*|i?86:[Mm]anagarm:*:*) GUESS="$UNAME_MACHINE-pc-managarm-mlibc" ;; *:[Mm]anagarm:*:*) GUESS="$UNAME_MACHINE-unknown-managarm-mlibc" ;; *:Minix:*:*) GUESS=$UNAME_MACHINE-unknown-minix ;; aarch64:Linux:*:*) set_cc_for_build CPU=$UNAME_MACHINE LIBCABI=$LIBC if test "$CC_FOR_BUILD" != no_compiler_found; then ABI=64 sed 's/^ //' << EOF > "$dummy.c" #ifdef __ARM_EABI__ #ifdef __ARM_PCS_VFP ABI=eabihf #else ABI=eabi #endif #endif EOF cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'` eval "$cc_set_abi" case $ABI in eabi | eabihf) CPU=armv8l; LIBCABI=$LIBC$ABI ;; esac fi GUESS=$CPU-unknown-linux-$LIBCABI ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC=gnulibc1 ; fi GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arm*:Linux:*:*) set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then GUESS=$UNAME_MACHINE-unknown-linux-$LIBC else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi else GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf fi fi ;; avr32*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; cris:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; crisv32:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; e2k:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; frv:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; hexagon:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:Linux:*:*) GUESS=$UNAME_MACHINE-pc-linux-$LIBC ;; ia64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; k1om:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; kvx:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; kvx:cos:*:*) GUESS=$UNAME_MACHINE-unknown-cos ;; kvx:mbr:*:*) GUESS=$UNAME_MACHINE-unknown-mbr ;; loongarch32:Linux:*:* | loongarch64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m32r*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m68*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; mips:Linux:*:* | mips64:Linux:*:*) set_cc_for_build IS_GLIBC=0 test x"${LIBC}" = xgnu && IS_GLIBC=1 sed 's/^ //' << EOF > "$dummy.c" #undef CPU #undef mips #undef mipsel #undef mips64 #undef mips64el #if ${IS_GLIBC} && defined(_ABI64) LIBCABI=gnuabi64 #else #if ${IS_GLIBC} && defined(_ABIN32) LIBCABI=gnuabin32 #else LIBCABI=${LIBC} #endif #endif #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa64r6 #else #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa32r6 #else #if defined(__mips64) CPU=mips64 #else CPU=mips #endif #endif #endif #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) MIPS_ENDIAN=el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) MIPS_ENDIAN= #else MIPS_ENDIAN= #endif #endif EOF cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'` eval "$cc_set_vars" test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; } ;; mips64el:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; openrisc*:Linux:*:*) GUESS=or1k-unknown-linux-$LIBC ;; or32:Linux:*:* | or1k*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; padre:Linux:*:*) GUESS=sparc-unknown-linux-$LIBC ;; parisc64:Linux:*:* | hppa64:Linux:*:*) GUESS=hppa64-unknown-linux-$LIBC ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;; PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;; *) GUESS=hppa-unknown-linux-$LIBC ;; esac ;; ppc64:Linux:*:*) GUESS=powerpc64-unknown-linux-$LIBC ;; ppc:Linux:*:*) GUESS=powerpc-unknown-linux-$LIBC ;; ppc64le:Linux:*:*) GUESS=powerpc64le-unknown-linux-$LIBC ;; ppcle:Linux:*:*) GUESS=powerpcle-unknown-linux-$LIBC ;; riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; s390:Linux:*:* | s390x:Linux:*:*) GUESS=$UNAME_MACHINE-ibm-linux-$LIBC ;; sh64*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sh*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sparc:Linux:*:* | sparc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; tile*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; vax:Linux:*:*) GUESS=$UNAME_MACHINE-dec-linux-$LIBC ;; x86_64:Linux:*:*) set_cc_for_build CPU=$UNAME_MACHINE LIBCABI=$LIBC if test "$CC_FOR_BUILD" != no_compiler_found; then ABI=64 sed 's/^ //' << EOF > "$dummy.c" #ifdef __i386__ ABI=x86 #else #ifdef __ILP32__ ABI=x32 #endif #endif EOF cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'` eval "$cc_set_abi" case $ABI in x86) CPU=i686 ;; x32) LIBCABI=${LIBC}x32 ;; esac fi GUESS=$CPU-pc-linux-$LIBCABI ;; xtensa*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. GUESS=i386-sequent-sysv4 ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION ;; i*86:OS/2:*:*) # If we were able to find 'uname', then EMX Unix compatibility # is probably installed. GUESS=$UNAME_MACHINE-pc-os2-emx ;; i*86:XTS-300:*:STOP) GUESS=$UNAME_MACHINE-unknown-stop ;; i*86:atheos:*:*) GUESS=$UNAME_MACHINE-unknown-atheos ;; i*86:syllable:*:*) GUESS=$UNAME_MACHINE-pc-syllable ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) GUESS=i386-unknown-lynxos$UNAME_RELEASE ;; i*86:*DOS:*:*) GUESS=$UNAME_MACHINE-pc-msdosdjgpp ;; i*86:*:4.*:*) UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL fi ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv32 fi ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. GUESS=i586-pc-msdosdjgpp ;; Intel:Mach:3*:*) GUESS=i386-pc-mach3 ;; paragon:*:*:*) GUESS=i860-intel-osf1 ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then GUESS=i860-stardent-sysv$UNAME_RELEASE # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. GUESS=i860-unknown-sysv$UNAME_RELEASE # Unknown i860-SVR4 fi ;; mini*:CTIX:SYS*5:*) # "miniframe" GUESS=m68010-convergent-sysv ;; mc68k:UNIX:SYSTEM5:3.51m) GUESS=m68k-convergent-sysv ;; M680?0:D-NIX:5.3:*) GUESS=m68k-diab-dnix ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) GUESS=m68k-unknown-lynxos$UNAME_RELEASE ;; mc68030:UNIX_System_V:4.*:*) GUESS=m68k-atari-sysv4 ;; TSUNAMI:LynxOS:2.*:*) GUESS=sparc-unknown-lynxos$UNAME_RELEASE ;; rs6000:LynxOS:2.*:*) GUESS=rs6000-unknown-lynxos$UNAME_RELEASE ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) GUESS=powerpc-unknown-lynxos$UNAME_RELEASE ;; SM[BE]S:UNIX_SV:*:*) GUESS=mips-dde-sysv$UNAME_RELEASE ;; RM*:ReliantUNIX-*:*:*) GUESS=mips-sni-sysv4 ;; RM*:SINIX-*:*:*) GUESS=mips-sni-sysv4 ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` GUESS=$UNAME_MACHINE-sni-sysv4 else GUESS=ns32k-sni-sysv fi ;; PENTIUM:*:4.0*:*) # Unisys 'ClearPath HMP IX 4000' SVR4/MP effort # says GUESS=i586-unisys-sysv4 ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm GUESS=hppa1.1-stratus-sysv4 ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. GUESS=i860-stratus-sysv4 ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. GUESS=$UNAME_MACHINE-stratus-vos ;; *:VOS:*:*) # From Paul.Green@stratus.com. GUESS=hppa1.1-stratus-vos ;; mc68*:A/UX:*:*) GUESS=m68k-apple-aux$UNAME_RELEASE ;; news*:NEWS-OS:6*:*) GUESS=mips-sony-newsos6 ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if test -d /usr/nec; then GUESS=mips-nec-sysv$UNAME_RELEASE else GUESS=mips-unknown-sysv$UNAME_RELEASE fi ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. GUESS=powerpc-be-beos ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. GUESS=powerpc-apple-beos ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. GUESS=i586-pc-beos ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. GUESS=i586-pc-haiku ;; ppc:Haiku:*:*) # Haiku running on Apple PowerPC GUESS=powerpc-apple-haiku ;; *:Haiku:*:*) # Haiku modern gcc (not bound by BeOS compat) GUESS=$UNAME_MACHINE-unknown-haiku ;; SX-4:SUPER-UX:*:*) GUESS=sx4-nec-superux$UNAME_RELEASE ;; SX-5:SUPER-UX:*:*) GUESS=sx5-nec-superux$UNAME_RELEASE ;; SX-6:SUPER-UX:*:*) GUESS=sx6-nec-superux$UNAME_RELEASE ;; SX-7:SUPER-UX:*:*) GUESS=sx7-nec-superux$UNAME_RELEASE ;; SX-8:SUPER-UX:*:*) GUESS=sx8-nec-superux$UNAME_RELEASE ;; SX-8R:SUPER-UX:*:*) GUESS=sx8r-nec-superux$UNAME_RELEASE ;; SX-ACE:SUPER-UX:*:*) GUESS=sxace-nec-superux$UNAME_RELEASE ;; Power*:Rhapsody:*:*) GUESS=powerpc-apple-rhapsody$UNAME_RELEASE ;; *:Rhapsody:*:*) GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE ;; arm64:Darwin:*:*) GUESS=aarch64-apple-darwin$UNAME_RELEASE ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` case $UNAME_PROCESSOR in unknown) UNAME_PROCESSOR=powerpc ;; esac if command -v xcode-select > /dev/null 2> /dev/null && \ ! xcode-select --print-path > /dev/null 2> /dev/null ; then # Avoid executing cc if there is no toolchain installed as # cc will be a stub that puts up a graphical alert # prompting the user to install developer tools. CC_FOR_BUILD=no_compiler_found else set_cc_for_build fi if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_PPC >/dev/null then UNAME_PROCESSOR=powerpc fi elif test "$UNAME_PROCESSOR" = i386 ; then # uname -m returns i386 or x86_64 UNAME_PROCESSOR=$UNAME_MACHINE fi GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = x86; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE ;; *:QNX:*:4*) GUESS=i386-pc-qnx ;; NEO-*:NONSTOP_KERNEL:*:*) GUESS=neo-tandem-nsk$UNAME_RELEASE ;; NSE-*:NONSTOP_KERNEL:*:*) GUESS=nse-tandem-nsk$UNAME_RELEASE ;; NSR-*:NONSTOP_KERNEL:*:*) GUESS=nsr-tandem-nsk$UNAME_RELEASE ;; NSV-*:NONSTOP_KERNEL:*:*) GUESS=nsv-tandem-nsk$UNAME_RELEASE ;; NSX-*:NONSTOP_KERNEL:*:*) GUESS=nsx-tandem-nsk$UNAME_RELEASE ;; *:NonStop-UX:*:*) GUESS=mips-compaq-nonstopux ;; BS2000:POSIX*:*:*) GUESS=bs2000-siemens-sysv ;; DS/*:UNIX_System_V:*:*) GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "${cputype-}" = 386; then UNAME_MACHINE=i386 elif test "x${cputype-}" != x; then UNAME_MACHINE=$cputype fi GUESS=$UNAME_MACHINE-unknown-plan9 ;; *:TOPS-10:*:*) GUESS=pdp10-unknown-tops10 ;; *:TENEX:*:*) GUESS=pdp10-unknown-tenex ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) GUESS=pdp10-dec-tops20 ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) GUESS=pdp10-xkl-tops20 ;; *:TOPS-20:*:*) GUESS=pdp10-unknown-tops20 ;; *:ITS:*:*) GUESS=pdp10-unknown-its ;; SEI:*:*:SEIUX) GUESS=mips-sei-seiux$UNAME_RELEASE ;; *:DragonFly:*:*) DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case $UNAME_MACHINE in A*) GUESS=alpha-dec-vms ;; I*) GUESS=ia64-dec-vms ;; V*) GUESS=vax-dec-vms ;; esac ;; *:XENIX:*:SysV) GUESS=i386-pc-xenix ;; i*86:skyos:*:*) SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'` GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL ;; i*86:rdos:*:*) GUESS=$UNAME_MACHINE-pc-rdos ;; i*86:Fiwix:*:*) GUESS=$UNAME_MACHINE-pc-fiwix ;; *:AROS:*:*) GUESS=$UNAME_MACHINE-unknown-aros ;; x86_64:VMkernel:*:*) GUESS=$UNAME_MACHINE-unknown-esx ;; amd64:Isilon\ OneFS:*:*) GUESS=x86_64-unknown-onefs ;; *:Unleashed:*:*) GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE ;; *:Ironclad:*:*) GUESS=$UNAME_MACHINE-unknown-ironclad ;; esac # Do we have a guess based on uname results? if test "x$GUESS" != x; then echo "$GUESS" exit fi # No uname command or uname output not recognized. set_cc_for_build cat > "$dummy.c" < #include #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #include #if defined(_SIZE_T_) || defined(SIGLOST) #include #endif #endif #endif int main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) #if !defined (ultrix) #include #if defined (BSD) #if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); #else #if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); #else printf ("vax-dec-bsd\n"); exit (0); #endif #endif #else printf ("vax-dec-bsd\n"); exit (0); #endif #else #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname un; uname (&un); printf ("vax-dec-ultrix%s\n", un.release); exit (0); #else printf ("vax-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname *un; uname (&un); printf ("mips-dec-ultrix%s\n", un.release); exit (0); #else printf ("mips-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; } echo "$0: unable to guess system type" >&2 case $UNAME_MACHINE:$UNAME_SYSTEM in mips:Linux | mips64:Linux) # If we got here on MIPS GNU/Linux, output extra information. cat >&2 <&2 <&2 </dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = "$UNAME_MACHINE" UNAME_RELEASE = "$UNAME_RELEASE" UNAME_SYSTEM = "$UNAME_SYSTEM" UNAME_VERSION = "$UNAME_VERSION" EOF fi exit 1 # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: libnbd-1.22.2/config.sub0000755000175000017500000011544414751426463010521 #!/usr/bin/sh # Configuration validation subroutine script. # Copyright 1992-2024 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268,SC2162 # see below for rationale timestamp='2024-05-27' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.sub # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. However, this script identifies a wide # variety of pre-POSIX systems that do not have POSIX shells at all, and # even some reasonably current systems (Solaris 10 as case-in-point) still # have a pre-POSIX /bin/sh. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2024 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try '$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; *local*) # First pass through any local machine types. echo "$1" exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Split fields of configuration type saved_IFS=$IFS IFS="-" read field1 field2 field3 field4 <&2 exit 1 ;; *-*-*-*) basic_machine=$field1-$field2 basic_os=$field3-$field4 ;; *-*-*) # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two # parts maybe_os=$field2-$field3 case $maybe_os in cloudabi*-eabi* \ | kfreebsd*-gnu* \ | knetbsd*-gnu* \ | kopensolaris*-gnu* \ | linux-* \ | managarm-* \ | netbsd*-eabi* \ | netbsd*-gnu* \ | nto-qnx* \ | os2-emx* \ | rtmk-nova* \ | storm-chaos* \ | uclinux-gnu* \ | uclinux-uclibc* \ | windows-* ) basic_machine=$field1 basic_os=$maybe_os ;; android-linux) basic_machine=$field1-unknown basic_os=linux-android ;; *) basic_machine=$field1-$field2 basic_os=$field3 ;; esac ;; *-*) case $field1-$field2 in # Shorthands that happen to contain a single dash convex-c[12] | convex-c3[248]) basic_machine=$field2-convex basic_os= ;; decstation-3100) basic_machine=mips-dec basic_os= ;; *-*) # Second component is usually, but not always the OS case $field2 in # Do not treat sunos as a manufacturer sun*os*) basic_machine=$field1 basic_os=$field2 ;; # Manufacturers 3100* \ | 32* \ | 3300* \ | 3600* \ | 7300* \ | acorn \ | altos* \ | apollo \ | apple \ | atari \ | att* \ | axis \ | be \ | bull \ | cbm \ | ccur \ | cisco \ | commodore \ | convergent* \ | convex* \ | cray \ | crds \ | dec* \ | delta* \ | dg \ | digital \ | dolphin \ | encore* \ | gould \ | harris \ | highlevel \ | hitachi* \ | hp \ | ibm* \ | intergraph \ | isi* \ | knuth \ | masscomp \ | microblaze* \ | mips* \ | motorola* \ | ncr* \ | news \ | next \ | ns \ | oki \ | omron* \ | pc533* \ | rebel \ | rom68k \ | rombug \ | semi \ | sequent* \ | siemens \ | sgi* \ | siemens \ | sim \ | sni \ | sony* \ | stratus \ | sun \ | sun[234]* \ | tektronix \ | tti* \ | ultra \ | unicom* \ | wec \ | winbond \ | wrs) basic_machine=$field1-$field2 basic_os= ;; zephyr*) basic_machine=$field1-unknown basic_os=$field2 ;; *) basic_machine=$field1 basic_os=$field2 ;; esac ;; esac ;; *) # Convert single-component short-hands not valid as part of # multi-component configurations. case $field1 in 386bsd) basic_machine=i386-pc basic_os=bsd ;; a29khif) basic_machine=a29k-amd basic_os=udi ;; adobe68k) basic_machine=m68010-adobe basic_os=scout ;; alliant) basic_machine=fx80-alliant basic_os= ;; altos | altos3068) basic_machine=m68k-altos basic_os= ;; am29k) basic_machine=a29k-none basic_os=bsd ;; amdahl) basic_machine=580-amdahl basic_os=sysv ;; amiga) basic_machine=m68k-unknown basic_os= ;; amigaos | amigados) basic_machine=m68k-unknown basic_os=amigaos ;; amigaunix | amix) basic_machine=m68k-unknown basic_os=sysv4 ;; apollo68) basic_machine=m68k-apollo basic_os=sysv ;; apollo68bsd) basic_machine=m68k-apollo basic_os=bsd ;; aros) basic_machine=i386-pc basic_os=aros ;; aux) basic_machine=m68k-apple basic_os=aux ;; balance) basic_machine=ns32k-sequent basic_os=dynix ;; blackfin) basic_machine=bfin-unknown basic_os=linux ;; cegcc) basic_machine=arm-unknown basic_os=cegcc ;; cray) basic_machine=j90-cray basic_os=unicos ;; crds | unos) basic_machine=m68k-crds basic_os= ;; da30) basic_machine=m68k-da30 basic_os= ;; decstation | pmax | pmin | dec3100 | decstatn) basic_machine=mips-dec basic_os= ;; delta88) basic_machine=m88k-motorola basic_os=sysv3 ;; dicos) basic_machine=i686-pc basic_os=dicos ;; djgpp) basic_machine=i586-pc basic_os=msdosdjgpp ;; ebmon29k) basic_machine=a29k-amd basic_os=ebmon ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson basic_os=ose ;; gmicro) basic_machine=tron-gmicro basic_os=sysv ;; go32) basic_machine=i386-pc basic_os=go32 ;; h8300hms) basic_machine=h8300-hitachi basic_os=hms ;; h8300xray) basic_machine=h8300-hitachi basic_os=xray ;; h8500hms) basic_machine=h8500-hitachi basic_os=hms ;; harris) basic_machine=m88k-harris basic_os=sysv3 ;; hp300 | hp300hpux) basic_machine=m68k-hp basic_os=hpux ;; hp300bsd) basic_machine=m68k-hp basic_os=bsd ;; hppaosf) basic_machine=hppa1.1-hp basic_os=osf ;; hppro) basic_machine=hppa1.1-hp basic_os=proelf ;; i386mach) basic_machine=i386-mach basic_os=mach ;; isi68 | isi) basic_machine=m68k-isi basic_os=sysv ;; m68knommu) basic_machine=m68k-unknown basic_os=linux ;; magnum | m3230) basic_machine=mips-mips basic_os=sysv ;; merlin) basic_machine=ns32k-utek basic_os=sysv ;; mingw64) basic_machine=x86_64-pc basic_os=mingw64 ;; mingw32) basic_machine=i686-pc basic_os=mingw32 ;; mingw32ce) basic_machine=arm-unknown basic_os=mingw32ce ;; monitor) basic_machine=m68k-rom68k basic_os=coff ;; morphos) basic_machine=powerpc-unknown basic_os=morphos ;; moxiebox) basic_machine=moxie-unknown basic_os=moxiebox ;; msdos) basic_machine=i386-pc basic_os=msdos ;; msys) basic_machine=i686-pc basic_os=msys ;; mvs) basic_machine=i370-ibm basic_os=mvs ;; nacl) basic_machine=le32-unknown basic_os=nacl ;; ncr3000) basic_machine=i486-ncr basic_os=sysv4 ;; netbsd386) basic_machine=i386-pc basic_os=netbsd ;; netwinder) basic_machine=armv4l-rebel basic_os=linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony basic_os=newsos ;; news1000) basic_machine=m68030-sony basic_os=newsos ;; necv70) basic_machine=v70-nec basic_os=sysv ;; nh3000) basic_machine=m68k-harris basic_os=cxux ;; nh[45]000) basic_machine=m88k-harris basic_os=cxux ;; nindy960) basic_machine=i960-intel basic_os=nindy ;; mon960) basic_machine=i960-intel basic_os=mon960 ;; nonstopux) basic_machine=mips-compaq basic_os=nonstopux ;; os400) basic_machine=powerpc-ibm basic_os=os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson basic_os=ose ;; os68k) basic_machine=m68k-none basic_os=os68k ;; paragon) basic_machine=i860-intel basic_os=osf ;; parisc) basic_machine=hppa-unknown basic_os=linux ;; psp) basic_machine=mipsallegrexel-sony basic_os=psp ;; pw32) basic_machine=i586-unknown basic_os=pw32 ;; rdos | rdos64) basic_machine=x86_64-pc basic_os=rdos ;; rdos32) basic_machine=i386-pc basic_os=rdos ;; rom68k) basic_machine=m68k-rom68k basic_os=coff ;; sa29200) basic_machine=a29k-amd basic_os=udi ;; sei) basic_machine=mips-sei basic_os=seiux ;; sequent) basic_machine=i386-sequent basic_os= ;; sps7) basic_machine=m68k-bull basic_os=sysv2 ;; st2000) basic_machine=m68k-tandem basic_os= ;; stratus) basic_machine=i860-stratus basic_os=sysv4 ;; sun2) basic_machine=m68000-sun basic_os= ;; sun2os3) basic_machine=m68000-sun basic_os=sunos3 ;; sun2os4) basic_machine=m68000-sun basic_os=sunos4 ;; sun3) basic_machine=m68k-sun basic_os= ;; sun3os3) basic_machine=m68k-sun basic_os=sunos3 ;; sun3os4) basic_machine=m68k-sun basic_os=sunos4 ;; sun4) basic_machine=sparc-sun basic_os= ;; sun4os3) basic_machine=sparc-sun basic_os=sunos3 ;; sun4os4) basic_machine=sparc-sun basic_os=sunos4 ;; sun4sol2) basic_machine=sparc-sun basic_os=solaris2 ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun basic_os= ;; sv1) basic_machine=sv1-cray basic_os=unicos ;; symmetry) basic_machine=i386-sequent basic_os=dynix ;; t3e) basic_machine=alphaev5-cray basic_os=unicos ;; t90) basic_machine=t90-cray basic_os=unicos ;; toad1) basic_machine=pdp10-xkl basic_os=tops20 ;; tpf) basic_machine=s390x-ibm basic_os=tpf ;; udi29k) basic_machine=a29k-amd basic_os=udi ;; ultra3) basic_machine=a29k-nyu basic_os=sym1 ;; v810 | necv810) basic_machine=v810-nec basic_os=none ;; vaxv) basic_machine=vax-dec basic_os=sysv ;; vms) basic_machine=vax-dec basic_os=vms ;; vsta) basic_machine=i386-pc basic_os=vsta ;; vxworks960) basic_machine=i960-wrs basic_os=vxworks ;; vxworks68) basic_machine=m68k-wrs basic_os=vxworks ;; vxworks29k) basic_machine=a29k-wrs basic_os=vxworks ;; xbox) basic_machine=i686-pc basic_os=mingw32 ;; ymp) basic_machine=ymp-cray basic_os=unicos ;; *) basic_machine=$1 basic_os= ;; esac ;; esac # Decode 1-component or ad-hoc basic machines case $basic_machine in # Here we handle the default manufacturer of certain CPU types. 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . GNU Automake home page: . General help using GNU software: . EOF exit $? ;; -v | --v*) echo "depcomp (GNU Automake) $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. 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We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsolete pre-3.x GCC compilers. ## but also to in-use compilers like IBM xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 # Create dirs (including intermediate dirs) using mode 755. # This is like GNU 'install' as of coreutils 8.32 (2020). mkdir_umask=22 backupsuffix= chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... 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(umask $mkdir_umask && eval "\$doit_exec \$mkdirprog $prefixes") || test -d "$dstdir" || exit 1 obsolete_mkdir_used=true fi fi fi if test -n "$dir_arg"; then { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 else # Make a couple of temp file names in the proper directory. dsttmp=${dstdirslash}_inst.$$_ rmtmp=${dstdirslash}_rm.$$_ # Trap to clean up those temp files at exit. trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 # Copy the file name to the temp name. (umask $cp_umask && { test -z "$stripcmd" || { # Create $dsttmp read-write so that cp doesn't create it read-only, # which would cause strip to fail. if test -z "$doit"; then : >"$dsttmp" # No need to fork-exec 'touch'. else $doit touch "$dsttmp" fi } } && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $cpprog $src $dsttmp" command. # { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && # If -C, don't bother to copy if it wouldn't change the file. if $copy_on_change && old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && set -f && set X $old && old=:$2:$4:$5:$6 && set X $new && new=:$2:$4:$5:$6 && set +f && test "$old" = "$new" && $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 then rm -f "$dsttmp" else # If $backupsuffix is set, and the file being installed # already exists, attempt a backup. Don't worry if it fails, # e.g., if mv doesn't support -f. if test -n "$backupsuffix" && test -f "$dst"; then $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null fi # Rename the file to the real destination. $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not # support -f. { # Now remove or move aside any old file at destination location. # We try this two ways since rm can't unlink itself on some # systems and the destination file might be busy for other # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { test ! -f "$dst" || $doit $rmcmd "$dst" 2>/dev/null || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && { $doit $rmcmd "$rmtmp" 2>/dev/null; :; } } || { echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dst" } fi || exit 1 trap '' 0 fi done # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libnbd-1.22.2/ltmain.sh0000644000175000017500000122264714751426461010361 #! /usr/bin/env sh ## DO NOT EDIT - This file generated from ./build-aux/ltmain.in ## by inline-source v2019-02-19.15 # libtool (GNU libtool) 2.5.4 # Provide generalized library-building support services. # Written by Gordon Matzigkeit , 1996 # Copyright (C) 1996-2019, 2021-2024 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, # if you distribute this file as part of a program or library that # is built using GNU Libtool, you may include this file under the # same distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . PROGRAM=libtool PACKAGE=libtool VERSION=2.5.4 package_revision=2.5.4 ## ------ ## ## Usage. ## ## ------ ## # Run './libtool --help' for help with using this script from the # command line. ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # After configure completes, it has a better idea of some of the # shell tools we need than the defaults used by the functions shared # with bootstrap, so set those here where they can still be over- # ridden by the user, but otherwise take precedence. : ${AUTOCONF="autoconf"} : ${AUTOMAKE="automake"} ## -------------------------- ## ## Source external libraries. ## ## -------------------------- ## # Much of our low-level functionality needs to be sourced from external # libraries, which are installed to $pkgauxdir. # Set a version string for this script. scriptversion=2019-02-19.15; # UTC # General shell script boiler plate, and helper functions. # Written by Gary V. Vaughan, 2004 # This is free software. There is NO warranty; not even for # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Copyright (C) 2004-2019, 2021, 2023-2024 Bootstrap Authors # # This file is dual licensed under the terms of the MIT license # , and GPL version 2 or later # . You must apply one of # these licenses when using or redistributing this software or any of # the files within it. See the URLs above, or the file `LICENSE` # included in the Bootstrap distribution for the full license texts. # Please report bugs or propose patches to: # ## ------ ## ## Usage. ## ## ------ ## # Evaluate this file near the top of your script to gain access to # the functions and variables defined here: # # . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh # # If you need to override any of the default environment variable # settings, do that before evaluating this file. ## -------------------- ## ## Shell normalisation. ## ## -------------------- ## # Some shells need a little help to be as Bourne compatible as possible. # Before doing anything else, make sure all that help has been provided! DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac fi # NLS nuisances: We save the old values in case they are required later. _G_user_locale= _G_safe_locale= for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test set = \"\${$_G_var+set}\"; then save_$_G_var=\$$_G_var $_G_var=C export $_G_var _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" fi" done # These NLS vars are set unconditionally (bootstrap issue #24). Unset those # in case the environment reset is needed later and the $save_* variant is not # defined (see the code above). LC_ALL=C LANGUAGE=C export LANGUAGE LC_ALL # Make sure IFS has a sensible default sp=' ' nl=' ' IFS="$sp $nl" # There are apparently some systems that use ';' as a PATH separator! if test "${PATH_SEPARATOR+set}" != set; then PATH_SEPARATOR=: (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || PATH_SEPARATOR=';' } fi # func_unset VAR # -------------- # Portably unset VAR. # In some shells, an 'unset VAR' statement leaves a non-zero return # status if VAR is already unset, which might be problematic if the # statement is used at the end of a function (thus poisoning its return # value) or when 'set -e' is active (causing even a spurious abort of # the script in this case). func_unset () { { eval $1=; (eval unset $1) >/dev/null 2>&1 && eval unset $1 || : ; } } # Make sure CDPATH doesn't cause `cd` commands to output the target dir. func_unset CDPATH # Make sure ${,E,F}GREP behave sanely. func_unset GREP_OPTIONS ## ------------------------- ## ## Locate command utilities. ## ## ------------------------- ## # func_executable_p FILE # ---------------------- # Check that FILE is an executable regular file. func_executable_p () { test -f "$1" && test -x "$1" } # func_path_progs PROGS_LIST CHECK_FUNC [PATH] # -------------------------------------------- # Search for either a program that responds to --version with output # containing "GNU", or else returned by CHECK_FUNC otherwise, by # trying all the directories in PATH with each of the elements of # PROGS_LIST. # # CHECK_FUNC should accept the path to a candidate program, and # set $func_check_prog_result if it truncates its output less than # $_G_path_prog_max characters. func_path_progs () { _G_progs_list=$1 _G_check_func=$2 _G_PATH=${3-"$PATH"} _G_path_prog_max=0 _G_path_prog_found=false _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} for _G_dir in $_G_PATH; do IFS=$_G_save_IFS test -z "$_G_dir" && _G_dir=. for _G_prog_name in $_G_progs_list; do for _exeext in '' .EXE; do _G_path_prog=$_G_dir/$_G_prog_name$_exeext func_executable_p "$_G_path_prog" || continue case `"$_G_path_prog" --version 2>&1` in *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; *) $_G_check_func $_G_path_prog func_path_progs_result=$func_check_prog_result ;; esac $_G_path_prog_found && break 3 done done done IFS=$_G_save_IFS test -z "$func_path_progs_result" && { echo "no acceptable sed could be found in \$PATH" >&2 exit 1 } } # We want to be able to use the functions in this file before configure # has figured out where the best binaries are kept, which means we have # to search for them ourselves - except when the results are already set # where we skip the searches. # Unless the user overrides by setting SED, search the path for either GNU # sed, or the sed that truncates its output the least. test -z "$SED" && { _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ for _G_i in 1 2 3 4 5 6 7; do _G_sed_script=$_G_sed_script$nl$_G_sed_script done echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed _G_sed_script= func_check_prog_sed () { _G_path_prog=$1 _G_count=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo '' >> conftest.nl "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "sed gsed" func_check_prog_sed "$PATH:/usr/xpg4/bin" rm -f conftest.sed SED=$func_path_progs_result } # Unless the user overrides by setting GREP, search the path for either GNU # grep, or the grep that truncates its output the least. test -z "$GREP" && { func_check_prog_grep () { _G_path_prog=$1 _G_count=0 _G_path_prog_max=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo 'GREP' >> conftest.nl "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "grep ggrep" func_check_prog_grep "$PATH:/usr/xpg4/bin" GREP=$func_path_progs_result } ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # All uppercase variable names are used for environment variables. These # variables can be overridden by the user before calling a script that # uses them if a suitable command of that name is not already available # in the command search PATH. : ${CP="cp -f"} : ${ECHO="printf %s\n"} : ${EGREP="$GREP -E"} : ${FGREP="$GREP -F"} : ${LN_S="ln -s"} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} ## -------------------- ## ## Useful sed snippets. ## ## -------------------- ## sed_dirname='s|/[^/]*$||' sed_basename='s|^.*/||' # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='s|\([`"$\\]\)|\\\1|g' # Same as above, but do not quote variable references. sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' # Sed substitution that converts a w32 file name or path # that contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-'\' parameter expansions in output of sed_double_quote_subst that # were '\'-ed in input to the same. If an odd number of '\' preceded a # '$' in input to sed_double_quote_subst, that '$' was protected from # expansion. Since each input '\' is now two '\'s, look for any number # of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. _G_bs='\\' _G_bs2='\\\\' _G_bs4='\\\\\\\\' _G_dollar='\$' sed_double_backslash="\ s/$_G_bs4/&\\ /g s/^$_G_bs2$_G_dollar/$_G_bs&/ s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g s/\n//g" # require_check_ifs_backslash # --------------------------- # Check if we can use backslash as IFS='\' separator, and set # $check_ifs_backshlash_broken to ':' or 'false'. require_check_ifs_backslash=func_require_check_ifs_backslash func_require_check_ifs_backslash () { _G_save_IFS=$IFS IFS='\' _G_check_ifs_backshlash='a\\b' for _G_i in $_G_check_ifs_backshlash do case $_G_i in a) check_ifs_backshlash_broken=false ;; '') break ;; *) check_ifs_backshlash_broken=: break ;; esac done IFS=$_G_save_IFS require_check_ifs_backslash=: } ## ----------------- ## ## Global variables. ## ## ----------------- ## # Except for the global variables explicitly listed below, the following # functions in the '^func_' namespace, and the '^require_' namespace # variables initialised in the 'Resource management' section, sourcing # this file will not pollute your global namespace with anything # else. There's no portable way to scope variables in Bourne shell # though, so actually running these functions will sometimes place # results into a variable named after the function, and often use # temporary variables in the '^_G_' namespace. If you are careful to # avoid using those namespaces casually in your sourcing script, things # should continue to work as you expect. And, of course, you can freely # overwrite any of the functions or variables defined here before # calling anything to customize them. EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. # Allow overriding, eg assuming that you follow the convention of # putting '$debug_cmd' at the start of all your functions, you can get # bash to show function call trace with: # # debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name debug_cmd=${debug_cmd-":"} exit_cmd=: # By convention, finish your script with: # # exit $exit_status # # so that you can set exit_status to non-zero if you want to indicate # something went wrong during execution without actually bailing out at # the point of failure. exit_status=$EXIT_SUCCESS # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath=$0 # The name of this program. progname=`$ECHO "$progpath" |$SED "$sed_basename"` # Make sure we have an absolute progpath for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` progdir=`cd "$progdir" && pwd` progpath=$progdir/$progname ;; *) _G_IFS=$IFS IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS=$_G_IFS test -x "$progdir/$progname" && break done IFS=$_G_IFS test -n "$progdir" || progdir=`pwd` progpath=$progdir/$progname ;; esac ## ----------------- ## ## Standard options. ## ## ----------------- ## # The following options affect the operation of the functions defined # below, and should be set appropriately depending on run-time para- # meters passed on the command line. opt_dry_run=false opt_quiet=false opt_verbose=false # Categories 'all' and 'none' are always available. Append any others # you will pass as the first argument to func_warning from your own # code. warning_categories= # By default, display warnings according to 'opt_warning_types'. Set # 'warning_func' to ':' to elide all warnings, or func_fatal_error to # treat the next displayed warning as a fatal error. warning_func=func_warn_and_continue # Set to 'all' to display all warnings, 'none' to suppress all # warnings, or a space delimited list of some subset of # 'warning_categories' to display only the listed warnings. opt_warning_types=all ## -------------------- ## ## Resource management. ## ## -------------------- ## # This section contains definitions for functions that each ensure a # particular resource (a file, or a non-empty configuration variable for # example) is available, and if appropriate to extract default values # from pertinent package files. Call them using their associated # 'require_*' variable to ensure that they are executed, at most, once. # # It's entirely deliberate that calling these functions can set # variables that don't obey the namespace limitations obeyed by the rest # of this file, in order that that they be as useful as possible to # callers. # require_term_colors # ------------------- # Allow display of bold text on terminals that support it. require_term_colors=func_require_term_colors func_require_term_colors () { $debug_cmd test -t 1 && { # COLORTERM and USE_ANSI_COLORS environment variables take # precedence, because most terminfo databases neglect to describe # whether color sequences are supported. test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} if test 1 = "$USE_ANSI_COLORS"; then # Standard ANSI escape sequences tc_reset='' tc_bold=''; tc_standout='' tc_red=''; tc_green='' tc_blue=''; tc_cyan='' else # Otherwise trust the terminfo database after all. test -n "`tput sgr0 2>/dev/null`" && { tc_reset=`tput sgr0` test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` tc_standout=$tc_bold test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` } fi } require_term_colors=: } ## ----------------- ## ## Function library. ## ## ----------------- ## # This section contains a variety of useful functions to call in your # scripts. Take note of the portable wrappers for features provided by # some modern shells, which will fall back to slower equivalents on # less featureful shells. # func_append VAR VALUE # --------------------- # Append VALUE onto the existing contents of VAR. # We should try to minimise forks, especially on Windows where they are # unreasonably slow, so skip the feature probes when bash or zsh are # being used: if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then : ${_G_HAVE_ARITH_OP="yes"} : ${_G_HAVE_XSI_OPS="yes"} # The += operator was introduced in bash 3.1 case $BASH_VERSION in [12].* | 3.0 | 3.0*) ;; *) : ${_G_HAVE_PLUSEQ_OP="yes"} ;; esac fi # _G_HAVE_PLUSEQ_OP # Can be empty, in which case the shell is probed, "yes" if += is # usable or anything else if it does not work. test -z "$_G_HAVE_PLUSEQ_OP" \ && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ && _G_HAVE_PLUSEQ_OP=yes if test yes = "$_G_HAVE_PLUSEQ_OP" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_append () { $debug_cmd eval "$1+=\$2" }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_append () { $debug_cmd eval "$1=\$$1\$2" } fi # func_append_quoted VAR VALUE # ---------------------------- # Quote VALUE and append to the end of shell variable VAR, separated # by a space. if test yes = "$_G_HAVE_PLUSEQ_OP"; then eval 'func_append_quoted () { $debug_cmd func_quote_arg pretty "$2" eval "$1+=\\ \$func_quote_arg_result" }' else func_append_quoted () { $debug_cmd func_quote_arg pretty "$2" eval "$1=\$$1\\ \$func_quote_arg_result" } fi # func_append_uniq VAR VALUE # -------------------------- # Append unique VALUE onto the existing contents of VAR, assuming # entries are delimited by the first character of VALUE. For example: # # func_append_uniq options " --another-option option-argument" # # will only append to $options if " --another-option option-argument " # is not already present somewhere in $options already (note spaces at # each end implied by leading space in second argument). func_append_uniq () { $debug_cmd eval _G_current_value='`$ECHO $'$1'`' _G_delim=`expr "$2" : '\(.\)'` case $_G_delim$_G_current_value$_G_delim in *"$2$_G_delim"*) ;; *) func_append "$@" ;; esac } # func_arith TERM... # ------------------ # Set func_arith_result to the result of evaluating TERMs. test -z "$_G_HAVE_ARITH_OP" \ && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ && _G_HAVE_ARITH_OP=yes if test yes = "$_G_HAVE_ARITH_OP"; then eval 'func_arith () { $debug_cmd func_arith_result=$(( $* )) }' else func_arith () { $debug_cmd func_arith_result=`expr "$@"` } fi # func_basename FILE # ------------------ # Set func_basename_result to FILE with everything up to and including # the last / stripped. if test yes = "$_G_HAVE_XSI_OPS"; then # If this shell supports suffix pattern removal, then use it to avoid # forking. Hide the definitions single quotes in case the shell chokes # on unsupported syntax... _b='func_basename_result=${1##*/}' _d='case $1 in */*) func_dirname_result=${1%/*}$2 ;; * ) func_dirname_result=$3 ;; esac' else # ...otherwise fall back to using sed. _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` if test "X$func_dirname_result" = "X$1"; then func_dirname_result=$3 else func_append func_dirname_result "$2" fi' fi eval 'func_basename () { $debug_cmd '"$_b"' }' # func_dirname FILE APPEND NONDIR_REPLACEMENT # ------------------------------------------- # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. eval 'func_dirname () { $debug_cmd '"$_d"' }' # func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT # -------------------------------------------------------- # Perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value returned in "$func_basename_result" # For efficiency, we do not delegate to the functions above but instead # duplicate the functionality here. eval 'func_dirname_and_basename () { $debug_cmd '"$_b"' '"$_d"' }' # func_echo ARG... # ---------------- # Echo program name prefixed message. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname: $_G_line" done IFS=$func_echo_IFS } # func_echo_all ARG... # -------------------- # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_echo_infix_1 INFIX ARG... # ------------------------------ # Echo program name, followed by INFIX on the first line, with any # additional lines not showing INFIX. func_echo_infix_1 () { $debug_cmd $require_term_colors _G_infix=$1; shift _G_indent=$_G_infix _G_prefix="$progname: $_G_infix: " _G_message=$* # Strip color escape sequences before counting printable length for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" do test -n "$_G_tc" && { _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` } done _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes func_echo_infix_1_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_infix_1_IFS $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 _G_prefix=$_G_indent done IFS=$func_echo_infix_1_IFS } # func_error ARG... # ----------------- # Echo program name prefixed message to standard error. func_error () { $debug_cmd $require_term_colors func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 } # func_fatal_error ARG... # ----------------------- # Echo program name prefixed message to standard error, and exit. func_fatal_error () { $debug_cmd func_error "$*" exit $EXIT_FAILURE } # func_grep EXPRESSION FILENAME # ----------------------------- # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $debug_cmd $GREP "$1" "$2" >/dev/null 2>&1 } # func_len STRING # --------------- # Set func_len_result to the length of STRING. STRING may not # start with a hyphen. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_len () { $debug_cmd func_len_result=${#1} }' else func_len () { $debug_cmd func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` } fi # func_mkdir_p DIRECTORY-PATH # --------------------------- # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { $debug_cmd _G_directory_path=$1 _G_dir_list= if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then # Protect directory names starting with '-' case $_G_directory_path in -*) _G_directory_path=./$_G_directory_path ;; esac # While some portion of DIR does not yet exist... while test ! -d "$_G_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list in case some portion of path contains whitespace. _G_dir_list=$_G_directory_path:$_G_dir_list # If the last portion added has no slash in it, the list is done case $_G_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` done _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` func_mkdir_p_IFS=$IFS; IFS=: for _G_dir in $_G_dir_list; do IFS=$func_mkdir_p_IFS # mkdir can fail with a 'File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$_G_dir" 2>/dev/null || : done IFS=$func_mkdir_p_IFS # Bail out if we (or some other process) failed to create a directory. test -d "$_G_directory_path" || \ func_fatal_error "Failed to create '$1'" fi } # func_mktempdir [BASENAME] # ------------------------- # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, BASENAME is the basename for that directory. func_mktempdir () { $debug_cmd _G_template=${TMPDIR-/tmp}/${1-$progname} if test : = "$opt_dry_run"; then # Return a directory name, but don't create it in dry-run mode _G_tmpdir=$_G_template-$$ else # If mktemp works, use that first and foremost _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` if test ! -d "$_G_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race _G_tmpdir=$_G_template-${RANDOM-0}$$ func_mktempdir_umask=`umask` umask 0077 $MKDIR "$_G_tmpdir" umask $func_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$_G_tmpdir" || \ func_fatal_error "cannot create temporary directory '$_G_tmpdir'" fi $ECHO "$_G_tmpdir" } # func_normal_abspath PATH # ------------------------ # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. func_normal_abspath () { $debug_cmd # These SED scripts presuppose an absolute path with a trailing slash. _G_pathcar='s|^/\([^/]*\).*$|\1|' _G_pathcdr='s|^/[^/]*||' _G_removedotparts=':dotsl s|/\./|/|g t dotsl s|/\.$|/|' _G_collapseslashes='s|/\{1,\}|/|g' _G_finalslash='s|/*$|/|' # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` while :; do # Processed it all yet? if test / = "$func_normal_abspath_tpath"; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result"; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_notquiet ARG... # -------------------- # Echo program name prefixed message only when not in quiet mode. func_notquiet () { $debug_cmd $opt_quiet || func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_relative_path SRCDIR DSTDIR # -------------------------------- # Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. func_relative_path () { $debug_cmd func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=$func_dirname_result if test -z "$func_relative_path_tlibdir"; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test -n "$func_stripname_result"; then func_append func_relative_path_result "/$func_stripname_result" fi # Normalisation. If bindir is libdir, return '.' else relative path. if test -n "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result" func_relative_path_result=$func_stripname_result fi test -n "$func_relative_path_result" || func_relative_path_result=. : } # func_quote_portable EVAL ARG # ---------------------------- # Internal function to portably implement func_quote_arg. Note that we still # keep attention to performance here so we as much as possible try to avoid # calling sed binary (so far O(N) complexity as long as func_append is O(1)). func_quote_portable () { $debug_cmd $require_check_ifs_backslash func_quote_portable_result=$2 # one-time-loop (easy break) while true do if $1; then func_quote_portable_result=`$ECHO "$2" | $SED \ -e "$sed_double_quote_subst" -e "$sed_double_backslash"` break fi # Quote for eval. case $func_quote_portable_result in *[\\\`\"\$]*) # Fallback to sed for $func_check_bs_ifs_broken=:, or when the string # contains the shell wildcard characters. case $check_ifs_backshlash_broken$func_quote_portable_result in :*|*[\[\*\?]*) func_quote_portable_result=`$ECHO "$func_quote_portable_result" \ | $SED "$sed_quote_subst"` break ;; esac func_quote_portable_old_IFS=$IFS for _G_char in '\' '`' '"' '$' do # STATE($1) PREV($2) SEPARATOR($3) set start "" "" func_quote_portable_result=dummy"$_G_char$func_quote_portable_result$_G_char"dummy IFS=$_G_char for _G_part in $func_quote_portable_result do case $1 in quote) func_append func_quote_portable_result "$3$2" set quote "$_G_part" "\\$_G_char" ;; start) set first "" "" func_quote_portable_result= ;; first) set quote "$_G_part" "" ;; esac done done IFS=$func_quote_portable_old_IFS ;; *) ;; esac break done func_quote_portable_unquoted_result=$func_quote_portable_result case $func_quote_portable_result in # double-quote args containing shell metacharacters to delay # word splitting, command substitution and variable expansion # for a subsequent eval. # many bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_portable_result=\"$func_quote_portable_result\" ;; esac } # func_quotefast_eval ARG # ----------------------- # Quote one ARG (internal). This is equivalent to 'func_quote_arg eval ARG', # but optimized for speed. Result is stored in $func_quotefast_eval. if test xyes = `(x=; printf -v x %q yes; echo x"$x") 2>/dev/null`; then printf -v _GL_test_printf_tilde %q '~' if test '\~' = "$_GL_test_printf_tilde"; then func_quotefast_eval () { printf -v func_quotefast_eval_result %q "$1" } else # Broken older Bash implementations. Make those faster too if possible. func_quotefast_eval () { case $1 in '~'*) func_quote_portable false "$1" func_quotefast_eval_result=$func_quote_portable_result ;; *) printf -v func_quotefast_eval_result %q "$1" ;; esac } fi else func_quotefast_eval () { func_quote_portable false "$1" func_quotefast_eval_result=$func_quote_portable_result } fi # func_quote_arg MODEs ARG # ------------------------ # Quote one ARG to be evaled later. MODEs argument may contain zero or more # specifiers listed below separated by ',' character. This function returns two # values: # i) func_quote_arg_result # double-quoted (when needed), suitable for a subsequent eval # ii) func_quote_arg_unquoted_result # has all characters that are still active within double # quotes backslashified. Available only if 'unquoted' is specified. # # Available modes: # ---------------- # 'eval' (default) # - escape shell special characters # 'expand' # - the same as 'eval'; but do not quote variable references # 'pretty' # - request aesthetic output, i.e. '"a b"' instead of 'a\ b'. This might # be used later in func_quote to get output like: 'echo "a b"' instead # of 'echo a\ b'. This is slower than default on some shells. # 'unquoted' # - produce also $func_quote_arg_unquoted_result which does not contain # wrapping double-quotes. # # Examples for 'func_quote_arg pretty,unquoted string': # # string | *_result | *_unquoted_result # ------------+-----------------------+------------------- # " | \" | \" # a b | "a b" | a b # "a b" | "\"a b\"" | \"a b\" # * | "*" | * # z="${x-$y}" | "z=\"\${x-\$y}\"" | z=\"\${x-\$y}\" # # Examples for 'func_quote_arg pretty,unquoted,expand string': # # string | *_result | *_unquoted_result # --------------+---------------------+-------------------- # z="${x-$y}" | "z=\"${x-$y}\"" | z=\"${x-$y}\" func_quote_arg () { _G_quote_expand=false case ,$1, in *,expand,*) _G_quote_expand=: ;; esac case ,$1, in *,pretty,*|*,expand,*|*,unquoted,*) func_quote_portable $_G_quote_expand "$2" func_quote_arg_result=$func_quote_portable_result func_quote_arg_unquoted_result=$func_quote_portable_unquoted_result ;; *) # Faster quote-for-eval for some shells. func_quotefast_eval "$2" func_quote_arg_result=$func_quotefast_eval_result ;; esac } # func_quote MODEs ARGs... # ------------------------ # Quote all ARGs to be evaled later and join them into single command. See # func_quote_arg's description for more info. func_quote () { $debug_cmd _G_func_quote_mode=$1 ; shift func_quote_result= while test 0 -lt $#; do func_quote_arg "$_G_func_quote_mode" "$1" if test -n "$func_quote_result"; then func_append func_quote_result " $func_quote_arg_result" else func_append func_quote_result "$func_quote_arg_result" fi shift done } # func_stripname PREFIX SUFFIX NAME # --------------------------------- # strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_stripname () { $debug_cmd # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are # positional parameters, so assign one to ordinary variable first. func_stripname_result=$3 func_stripname_result=${func_stripname_result#"$1"} func_stripname_result=${func_stripname_result%"$2"} }' else func_stripname () { $debug_cmd case $2 in .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; esac } fi # func_show_eval CMD [FAIL_EXP] # ----------------------------- # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} func_quote_arg pretty,expand "$_G_cmd" eval "func_notquiet $func_quote_arg_result" $opt_dry_run || { eval "$_G_cmd" _G_status=$? if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_show_eval_locale CMD [FAIL_EXP] # ------------------------------------ # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} $opt_quiet || { func_quote_arg expand,pretty "$_G_cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || { eval "$_G_user_locale $_G_cmd" _G_status=$? eval "$_G_safe_locale" if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_tr_sh # ---------- # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { $debug_cmd case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_verbose ARG... # ------------------- # Echo program name prefixed message in verbose mode only. func_verbose () { $debug_cmd $opt_verbose && func_echo "$*" : } # func_warn_and_continue ARG... # ----------------------------- # Echo program name prefixed warning message to standard error. func_warn_and_continue () { $debug_cmd $require_term_colors func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 } # func_warning CATEGORY ARG... # ---------------------------- # Echo program name prefixed warning message to standard error. Warning # messages can be filtered according to CATEGORY, where this function # elides messages where CATEGORY is not listed in the global variable # 'opt_warning_types'. func_warning () { $debug_cmd # CATEGORY must be in the warning_categories list! case " $warning_categories " in *" $1 "*) ;; *) func_internal_error "invalid warning category '$1'" ;; esac _G_category=$1 shift case " $opt_warning_types " in *" $_G_category "*) $warning_func ${1+"$@"} ;; esac } # func_sort_ver VER1 VER2 # ----------------------- # 'sort -V' is not generally available. # Note this deviates from the version comparison in automake # in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a # but this should suffice as we won't be specifying old # version formats or redundant trailing .0 in bootstrap.conf. # If we did want full compatibility then we should probably # use m4_version_compare from autoconf. func_sort_ver () { $debug_cmd printf '%s\n%s\n' "$1" "$2" \ | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n } # func_lt_ver PREV CURR # --------------------- # Return true if PREV and CURR are in the correct order according to # func_sort_ver, otherwise false. Use it like this: # # func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." func_lt_ver () { $debug_cmd test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: #! /bin/sh # A portable, pluggable option parser for Bourne shell. # Written by Gary V. Vaughan, 2010 # This is free software. There is NO warranty; not even for # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Copyright (C) 2010-2019, 2021, 2023-2024 Bootstrap Authors # # This file is dual licensed under the terms of the MIT license # , and GPL version 2 or later # . You must apply one of # these licenses when using or redistributing this software or any of # the files within it. See the URLs above, or the file `LICENSE` # included in the Bootstrap distribution for the full license texts. # Please report bugs or propose patches to: # # Set a version string for this script. scriptversion=2019-02-19.15; # UTC ## ------ ## ## Usage. ## ## ------ ## # This file is a library for parsing options in your shell scripts along # with assorted other useful supporting features that you can make use # of too. # # For the simplest scripts you might need only: # # #!/bin/sh # . relative/path/to/funclib.sh # . relative/path/to/options-parser # scriptversion=1.0 # func_options ${1+"$@"} # eval set dummy "$func_options_result"; shift # ...rest of your script... # # In order for the '--version' option to work, you will need to have a # suitably formatted comment like the one at the top of this file # starting with '# Written by ' and ending with '# Copyright'. # # For '-h' and '--help' to work, you will also need a one line # description of your script's purpose in a comment directly above the # '# Written by ' line, like the one at the top of this file. # # The default options also support '--debug', which will turn on shell # execution tracing (see the comment above debug_cmd below for another # use), and '--verbose' and the func_verbose function to allow your script # to display verbose messages only when your user has specified # '--verbose'. # # After sourcing this file, you can plug in processing for additional # options by amending the variables from the 'Configuration' section # below, and following the instructions in the 'Option parsing' # section further down. ## -------------- ## ## Configuration. ## ## -------------- ## # You should override these variables in your script after sourcing this # file so that they reflect the customisations you have added to the # option parser. # The usage line for option parsing errors and the start of '-h' and # '--help' output messages. You can embed shell variables for delayed # expansion at the time the message is displayed, but you will need to # quote other shell meta-characters carefully to prevent them being # expanded when the contents are evaled. usage='$progpath [OPTION]...' # Short help message in response to '-h' and '--help'. Add to this or # override it after sourcing this library to reflect the full set of # options your script accepts. usage_message="\ --debug enable verbose shell tracing -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -v, --verbose verbosely report processing --version print version information and exit -h, --help print short or long help message and exit " # Additional text appended to 'usage_message' in response to '--help'. long_help_message=" Warning categories include: 'all' show all warnings 'none' turn off all the warnings 'error' warnings are treated as fatal errors" # Help message printed before fatal option parsing errors. fatal_help="Try '\$progname --help' for more information." ## ------------------------- ## ## Hook function management. ## ## ------------------------- ## # This section contains functions for adding, removing, and running hooks # in the main code. A hook is just a list of function names that can be # run in order later on. # func_hookable FUNC_NAME # ----------------------- # Declare that FUNC_NAME will run hooks added with # 'func_add_hook FUNC_NAME ...'. func_hookable () { $debug_cmd func_append hookable_fns " $1" } # func_add_hook FUNC_NAME HOOK_FUNC # --------------------------------- # Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must # first have been declared "hookable" by a call to 'func_hookable'. func_add_hook () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not accept hook functions." ;; esac eval func_append ${1}_hooks '" $2"' } # func_remove_hook FUNC_NAME HOOK_FUNC # ------------------------------------ # Remove HOOK_FUNC from the list of hook functions to be called by # FUNC_NAME. func_remove_hook () { $debug_cmd eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' } # func_propagate_result FUNC_NAME_A FUNC_NAME_B # --------------------------------------------- # If the *_result variable of FUNC_NAME_A _is set_, assign its value to # *_result variable of FUNC_NAME_B. func_propagate_result () { $debug_cmd func_propagate_result_result=: if eval "test \"\${${1}_result+set}\" = set" then eval "${2}_result=\$${1}_result" else func_propagate_result_result=false fi } # func_run_hooks FUNC_NAME [ARG]... # --------------------------------- # Run all hook functions registered to FUNC_NAME. # It's assumed that the list of hook functions contains nothing more # than a whitespace-delimited list of legal shell function names, and # no effort is wasted trying to catch shell meta-characters or preserve # whitespace. func_run_hooks () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not support hook functions." ;; esac eval _G_hook_fns=\$$1_hooks; shift for _G_hook in $_G_hook_fns; do func_unset "${_G_hook}_result" eval $_G_hook '${1+"$@"}' func_propagate_result $_G_hook func_run_hooks if $func_propagate_result_result; then eval set dummy "$func_run_hooks_result"; shift fi done } ## --------------- ## ## Option parsing. ## ## --------------- ## # In order to add your own option parsing hooks, you must accept the # full positional parameter list from your hook function. You may remove # or edit any options that you action, and then pass back the remaining # unprocessed options in '_result', escaped # suitably for 'eval'. # # The '_result' variable is automatically unset # before your hook gets called; for best performance, only set the # *_result variable when necessary (i.e. don't call the 'func_quote' # function unnecessarily because it can be an expensive operation on some # machines). # # Like this: # # my_options_prep () # { # $debug_cmd # # # Extend the existing usage message. # usage_message=$usage_message' # -s, --silent don'\''t print informational messages # ' # # No change in '$@' (ignored completely by this hook). Leave # # my_options_prep_result variable intact. # } # func_add_hook func_options_prep my_options_prep # # # my_silent_option () # { # $debug_cmd # # args_changed=false # # # Note that, for efficiency, we parse as many options as we can # # recognise in a loop before passing the remainder back to the # # caller on the first unrecognised argument we encounter. # while test $# -gt 0; do # opt=$1; shift # case $opt in # --silent|-s) opt_silent=: # args_changed=: # ;; # # Separate non-argument short options: # -s*) func_split_short_opt "$_G_opt" # set dummy "$func_split_short_opt_name" \ # "-$func_split_short_opt_arg" ${1+"$@"} # shift # args_changed=: # ;; # *) # Make sure the first unrecognised option "$_G_opt" # # is added back to "$@" in case we need it later, # # if $args_changed was set to 'true'. # set dummy "$_G_opt" ${1+"$@"}; shift; break ;; # esac # done # # # Only call 'func_quote' here if we processed at least one argument. # if $args_changed; then # func_quote eval ${1+"$@"} # my_silent_option_result=$func_quote_result # fi # } # func_add_hook func_parse_options my_silent_option # # # my_option_validation () # { # $debug_cmd # # $opt_silent && $opt_verbose && func_fatal_help "\ # '--silent' and '--verbose' options are mutually exclusive." # } # func_add_hook func_validate_options my_option_validation # # You'll also need to manually amend $usage_message to reflect the extra # options you parse. It's preferable to append if you can, so that # multiple option parsing hooks can be added safely. # func_options_finish [ARG]... # ---------------------------- # Finishing the option parse loop (call 'func_options' hooks ATM). func_options_finish () { $debug_cmd func_run_hooks func_options ${1+"$@"} func_propagate_result func_run_hooks func_options_finish } # func_options [ARG]... # --------------------- # All the functions called inside func_options are hookable. See the # individual implementations for details. func_hookable func_options func_options () { $debug_cmd _G_options_quoted=false for my_func in options_prep parse_options validate_options options_finish do func_unset func_${my_func}_result func_unset func_run_hooks_result eval func_$my_func '${1+"$@"}' func_propagate_result func_$my_func func_options if $func_propagate_result_result; then eval set dummy "$func_options_result"; shift _G_options_quoted=: fi done $_G_options_quoted || { # As we (func_options) are top-level options-parser function and # nobody quoted "$@" for us yet, we need to do it explicitly for # caller. func_quote eval ${1+"$@"} func_options_result=$func_quote_result } } # func_options_prep [ARG]... # -------------------------- # All initialisations required before starting the option parse loop. # Note that when calling hook functions, we pass through the list of # positional parameters. If a hook function modifies that list, and # needs to propagate that back to rest of this script, then the complete # modified list must be put in 'func_run_hooks_result' before returning. func_hookable func_options_prep func_options_prep () { $debug_cmd # Option defaults: opt_verbose=false opt_warning_types= func_run_hooks func_options_prep ${1+"$@"} func_propagate_result func_run_hooks func_options_prep } # func_parse_options [ARG]... # --------------------------- # The main option parsing loop. func_hookable func_parse_options func_parse_options () { $debug_cmd _G_parse_options_requote=false # this just eases exit handling while test $# -gt 0; do # Defer to hook functions for initial option parsing, so they # get priority in the event of reusing an option name. func_run_hooks func_parse_options ${1+"$@"} func_propagate_result func_run_hooks func_parse_options if $func_propagate_result_result; then eval set dummy "$func_parse_options_result"; shift # Even though we may have changed "$@", we passed the "$@" array # down into the hook and it quoted it for us (because we are in # this if-branch). No need to quote it again. _G_parse_options_requote=false fi # Break out of the loop if we already parsed every option. test $# -gt 0 || break # We expect that one of the options parsed in this function matches # and thus we remove _G_opt from "$@" and need to re-quote. _G_match_parse_options=: _G_opt=$1 shift case $_G_opt in --debug|-x) debug_cmd='set -x' func_echo "enabling shell trace mode" >&2 $debug_cmd ;; --no-warnings|--no-warning|--no-warn) set dummy --warnings none ${1+"$@"} shift ;; --warnings|--warning|-W) if test $# = 0 && func_missing_arg $_G_opt; then _G_parse_options_requote=: break fi case " $warning_categories $1" in *" $1 "*) # trailing space prevents matching last $1 above func_append_uniq opt_warning_types " $1" ;; *all) opt_warning_types=$warning_categories ;; *none) opt_warning_types=none warning_func=: ;; *error) opt_warning_types=$warning_categories warning_func=func_fatal_error ;; *) func_fatal_error \ "unsupported warning category: '$1'" ;; esac shift ;; --verbose|-v) opt_verbose=: ;; --version) func_version ;; -\?|-h) func_usage ;; --help) func_help ;; # Separate optargs to long options (plugins may need this): --*=*) func_split_equals "$_G_opt" set dummy "$func_split_equals_lhs" \ "$func_split_equals_rhs" ${1+"$@"} shift ;; # Separate optargs to short options: -W*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "$func_split_short_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-v*|-x*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) _G_parse_options_requote=: ; break ;; -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; *) set dummy "$_G_opt" ${1+"$@"}; shift _G_match_parse_options=false break ;; esac if $_G_match_parse_options; then _G_parse_options_requote=: fi done if $_G_parse_options_requote; then # save modified positional parameters for caller func_quote eval ${1+"$@"} func_parse_options_result=$func_quote_result fi } # func_validate_options [ARG]... # ------------------------------ # Perform any sanity checks on option settings and/or unconsumed # arguments. func_hookable func_validate_options func_validate_options () { $debug_cmd # Display all warnings if -W was not given. test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" func_run_hooks func_validate_options ${1+"$@"} func_propagate_result func_run_hooks func_validate_options # Bail if the options were screwed! $exit_cmd $EXIT_FAILURE } ## ----------------- ## ## Helper functions. ## ## ----------------- ## # This section contains the helper functions used by the rest of the # hookable option parser framework in ascii-betical order. # func_fatal_help ARG... # ---------------------- # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { $debug_cmd eval \$ECHO \""Usage: $usage"\" eval \$ECHO \""$fatal_help"\" func_error ${1+"$@"} exit $EXIT_FAILURE } # func_help # --------- # Echo long help message to standard output and exit. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message" exit 0 } # func_missing_arg ARGNAME # ------------------------ # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $debug_cmd func_error "Missing argument for '$1'." exit_cmd=exit } # func_split_equals STRING # ------------------------ # Set func_split_equals_lhs and func_split_equals_rhs shell variables # after splitting STRING at the '=' sign. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_equals () { $debug_cmd func_split_equals_lhs=${1%%=*} func_split_equals_rhs=${1#*=} if test "x$func_split_equals_lhs" = "x$1"; then func_split_equals_rhs= fi }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_equals () { $debug_cmd func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` func_split_equals_rhs= test "x$func_split_equals_lhs=" = "x$1" \ || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` } fi #func_split_equals # func_split_short_opt SHORTOPT # ----------------------------- # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_short_opt () { $debug_cmd func_split_short_opt_arg=${1#??} func_split_short_opt_name=${1%"$func_split_short_opt_arg"} }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_short_opt () { $debug_cmd func_split_short_opt_name=`expr "x$1" : 'x\(-.\)'` func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` } fi #func_split_short_opt # func_usage # ---------- # Echo short help message to standard output and exit. func_usage () { $debug_cmd func_usage_message $ECHO "Run '$progname --help |${PAGER-more}' for full usage" exit 0 } # func_usage_message # ------------------ # Echo short help message to standard output. func_usage_message () { $debug_cmd eval \$ECHO \""Usage: $usage"\" echo $SED -n 's|^# || /^Written by/{ x;p;x } h /^Written by/q' < "$progpath" echo eval \$ECHO \""$usage_message"\" } # func_version # ------------ # Echo version message to standard output and exit. # The version message is extracted from the calling file's header # comments, with leading '# ' stripped: # 1. First display the progname and version # 2. Followed by the header comment line matching /^# Written by / # 3. Then a blank line followed by the first following line matching # /^# Copyright / # 4. Immediately followed by any lines between the previous matches, # except lines preceding the intervening completely blank line. # For example, see the header comments of this file. func_version () { $debug_cmd printf '%s\n' "$progname $scriptversion" $SED -n ' /^# Written by /!b s|^# ||; p; n :fwd2blnk /./ { n b fwd2blnk } p; n :holdwrnt s|^# || s|^# *$|| /^Copyright /!{ /./H n b holdwrnt } s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| G s|\(\n\)\n*|\1|g p; q' < "$progpath" exit $? } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "30/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: # Set a version string. scriptversion='(GNU libtool) 2.5.4' # func_version # ------------ # Echo version message to standard output and exit. func_version () { $debug_cmd year=`date +%Y` cat < This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Originally written by Gordon Matzigkeit, 1996 (See AUTHORS for complete contributor listing) EOF exit $? } # func_echo ARG... # ---------------- # Libtool also displays the current mode in messages, so override # funclib.sh func_echo with this custom definition. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" done IFS=$func_echo_IFS } ## ---------------- ## ## Options parsing. ## ## ---------------- ## # Hook in the functions to make sure our own options are parsed during # the option parsing loop. usage='$progpath [OPTION]... [MODE-ARG]...' # Short help message in response to '-h'. usage_message="Options: --config show all configuration variables --debug enable verbose shell tracing -n, --dry-run display commands without modifying any files --features display basic configuration information --finish use operation '--mode=finish' --mode=MODE use operation mode MODE --no-finish don't update shared library cache --no-quiet, --no-silent print default informational messages --no-warnings equivalent to '-Wnone' --preserve-dup-deps don't remove duplicate dependency libraries --quiet, --silent don't print informational messages --reorder-cache=DIRS reorder shared library cache for preferred DIRS --tag=TAG use configuration variables from tag TAG -v, --verbose print more informational messages than default --version print version information -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -h, --help, --help-all print short, long, or detailed help message " # Additional text appended to 'usage_message' in response to '--help'. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message MODE must be one of the following: clean remove files from the build directory compile compile a source file into a libtool object execute automatically set library path, then run a program finish complete the installation of libtool libraries install install libraries or executables link create a library or an executable uninstall remove libraries from an installed directory MODE-ARGS vary depending on the MODE. When passed as first option, '--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. Try '$progname --help --mode=MODE' for a more detailed description of MODE. When reporting a bug, please describe a test case to reproduce it and include the following information: host-triplet: $host shell: $SHELL compiler: $LTCC compiler flags: $LTCFLAGS linker: $LD (gnu? $with_gnu_ld) version: $progname $scriptversion automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` Report bugs to . GNU libtool home page: . General help using GNU software: ." exit 0 } # func_lo2o OBJECT-NAME # --------------------- # Transform OBJECT-NAME from a '.lo' suffix to the platform specific # object suffix. lo2o=s/\\.lo\$/.$objext/ o2lo=s/\\.$objext\$/.lo/ if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_lo2o () { case $1 in *.lo) func_lo2o_result=${1%.lo}.$objext ;; * ) func_lo2o_result=$1 ;; esac }' # func_xform LIBOBJ-OR-SOURCE # --------------------------- # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) # suffix to a '.lo' libtool-object suffix. eval 'func_xform () { func_xform_result=${1%.*}.lo }' else # ...otherwise fall back to using sed. func_lo2o () { func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` } func_xform () { func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` } fi # func_fatal_configuration ARG... # ------------------------------- # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_fatal_error ${1+"$@"} \ "See the $PACKAGE documentation for more information." \ "Fatal configuration error." } # func_config # ----------- # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # ------------- # Display the features supported by this script. func_features () { echo "host: $host" if test yes = "$build_libtool_libs"; then echo "enable shared libraries" else echo "disable shared libraries" fi if test yes = "$build_old_libs"; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag TAGNAME # ----------------------- # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname=$1 re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf=/$re_begincf/,/$re_endcf/p # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # ------------------------ # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # libtool_options_prep [ARG]... # ----------------------------- # Preparation for options parsed by libtool. libtool_options_prep () { $debug_mode # Option defaults: opt_config=false opt_dlopen= opt_dry_run=false opt_help=false opt_mode= opt_reorder_cache=false opt_preserve_dup_deps=false opt_quiet=false opt_finishing=true opt_warning= nonopt= preserve_args= _G_rc_lt_options_prep=: # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; *) _G_rc_lt_options_prep=false ;; esac if $_G_rc_lt_options_prep; then # Pass back the list of options. func_quote eval ${1+"$@"} libtool_options_prep_result=$func_quote_result fi } func_add_hook func_options_prep libtool_options_prep # libtool_parse_options [ARG]... # --------------------------------- # Provide handling for libtool specific options. libtool_parse_options () { $debug_cmd _G_rc_lt_parse_options=false # Perform our own loop to consume as many options as possible in # each iteration. while test $# -gt 0; do _G_match_lt_parse_options=: _G_opt=$1 shift case $_G_opt in --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) func_config ;; --dlopen|-dlopen) opt_dlopen="${opt_dlopen+$opt_dlopen }$1" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) func_features ;; --finish) set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $_G_opt && break opt_mode=$1 case $1 in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument '$1' for $_G_opt" exit_cmd=exit ;; esac shift ;; --no-finish) opt_finishing=false func_append preserve_args " $_G_opt" ;; --no-silent|--no-quiet) opt_quiet=false func_append preserve_args " $_G_opt" ;; --no-warnings|--no-warning|--no-warn) opt_warning=false func_append preserve_args " $_G_opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $_G_opt" ;; --reorder-cache) opt_reorder_cache=true shared_lib_dirs=$1 if test -n "$shared_lib_dirs"; then case $1 in # Must begin with /: /*) ;; # Catch anything else as an error (relative paths) *) func_error "invalid argument '$1' for $_G_opt" func_error "absolute paths are required for $_G_opt" exit_cmd=exit ;; esac fi shift ;; --silent|--quiet) opt_quiet=: opt_verbose=false func_append preserve_args " $_G_opt" ;; --tag) test $# = 0 && func_missing_arg $_G_opt && break opt_tag=$1 func_append preserve_args " $_G_opt $1" func_enable_tag "$1" shift ;; --verbose|-v) opt_quiet=false opt_verbose=: func_append preserve_args " $_G_opt" ;; # An option not handled by this hook function: *) set dummy "$_G_opt" ${1+"$@"} ; shift _G_match_lt_parse_options=false break ;; esac $_G_match_lt_parse_options && _G_rc_lt_parse_options=: done if $_G_rc_lt_parse_options; then # save modified positional parameters for caller func_quote eval ${1+"$@"} libtool_parse_options_result=$func_quote_result fi } func_add_hook func_parse_options libtool_parse_options # func_warning ARG... # ------------------- # Libtool warnings are not categorized, so override funclib.sh # func_warning with this simpler definition. func_warning () { if $opt_warning; then $debug_cmd $warning_func ${1+"$@"} fi } # libtool_validate_options [ARG]... # --------------------------------- # Perform any sanity checks on option settings and/or unconsumed # arguments. libtool_validate_options () { # save first non-option argument if test 0 -lt $#; then nonopt=$1 shift fi # preserve --debug test : = "$debug_cmd" || func_append preserve_args " --debug" # Keeping compiler generated duplicates in $postdeps and $predeps is not # harmful, and is necessary in a majority of systems that use it to satisfy # symbol dependencies. opt_duplicate_compiler_generated_deps=: $opt_help || { # Sanity checks first: func_check_version_match test yes != "$build_libtool_libs" \ && test yes != "$build_old_libs" \ && func_fatal_configuration "not configured to build any kind of library" # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test execute != "$opt_mode"; then func_error "unrecognized option '-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help=$help help="Try '$progname --help --mode=$opt_mode' for more information." } # Pass back the unparsed argument list func_quote eval ${1+"$@"} libtool_validate_options_result=$func_quote_result } func_add_hook func_validate_options libtool_validate_options # Process options as early as possible so that --help and --version # can return quickly. func_options ${1+"$@"} eval set dummy "$func_options_result"; shift ## ----------- ## ## Main. ## ## ----------- ## magic='%%%MAGIC variable%%%' magic_exe='%%%MAGIC EXE variable%%%' # Global variables. extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # func_generated_by_libtool # True iff stdin has been generated by Libtool. This function is only # a basic sanity check; it will hardly flush out determined imposters. func_generated_by_libtool_p () { $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p } # func_lalib_unsafe_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if 'file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case $lalib_p_line in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test yes = "$lalib_p" } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { test -f "$1" && $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $debug_cmd save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # 'FILE.' does not work on cygwin managed mounts. func_source () { $debug_cmd case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case $lt_sysroot:$1 in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result='='$func_stripname_result ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $debug_cmd if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with '--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=$1 if test yes = "$build_libtool_libs"; then write_lobj=\'$2\' else write_lobj=none fi if test yes = "$build_old_libs"; then write_oldobj=\'$3\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, windows, cygwin, or some other w32 environment. Relies on a # correctly configured wine environment available, with the winepath program # in $build's $PATH. Assumes ARG has no leading or trailing path separator # characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $debug_cmd # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result= if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result"; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $debug_cmd if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $debug_cmd # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $debug_cmd if test -z "$2" && test -n "$1"; then func_error "Could not determine host file name corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result=$1 fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $debug_cmd if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " '$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result=$3 fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $debug_cmd case $4 in $1 ) func_to_host_path_result=$3$func_to_host_path_result ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep # func_convert_delimited_path PATH ORIG_DELIMITER NEW_DELIMITER # Replaces a delimiter for a given path. func_convert_delimited_path () { converted_path=`$ECHO "$1" | $SED "s#$2#$3#g"` } # end func_convert_delimited_path ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via '$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $debug_cmd $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $debug_cmd case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result=$1 } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result=$func_convert_core_msys_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result=$func_convert_core_file_wine_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via '$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $debug_cmd if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd=func_convert_path_$func_stripname_result fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $debug_cmd func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result=$1 } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_msys_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_path_wine_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_dll_def_p FILE # True iff FILE is a Windows DLL '.def' file. # Keep in sync with _LT_DLL_DEF_P in libtool.m4 func_dll_def_p () { $debug_cmd func_dll_def_p_tmp=`$SED -n \ -e 's/^[ ]*//' \ -e '/^\(;.*\)*$/d' \ -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ -e q \ "$1"` test DEF = "$func_dll_def_p_tmp" } # func_reorder_shared_lib_cache DIRS # Reorder the shared library cache by unconfiguring previous shared library cache # and configuring preferred search directories before previous search directories. # Previous shared library cache: /usr/lib /usr/local/lib # Preferred search directories: /tmp/testing # Reordered shared library cache: /tmp/testing /usr/lib /usr/local/lib func_reorder_shared_lib_cache () { $debug_cmd case $host_os in openbsd*) get_search_directories=`PATH="$PATH:/sbin" ldconfig -r | $GREP "search directories" | $SED "s#.*search directories:\ ##g"` func_convert_delimited_path "$get_search_directories" ':' '\ ' save_search_directories=$converted_path func_convert_delimited_path "$1" ':' '\ ' # Ensure directories exist for dir in $converted_path; do # Ensure each directory is an absolute path case $dir in /*) ;; *) func_error "Directory '$dir' is not an absolute path" exit $EXIT_FAILURE ;; esac # Ensure no trailing slashes func_stripname '' '/' "$dir" dir=$func_stripname_result if test -d "$dir"; then if test -n "$preferred_search_directories"; then preferred_search_directories="$preferred_search_directories $dir" else preferred_search_directories=$dir fi else func_error "Directory '$dir' does not exist" exit $EXIT_FAILURE fi done PATH="$PATH:/sbin" ldconfig -U $save_search_directories PATH="$PATH:/sbin" ldconfig -m $preferred_search_directories $save_search_directories get_search_directories=`PATH="$PATH:/sbin" ldconfig -r | $GREP "search directories" | $SED "s#.*search directories:\ ##g"` func_convert_delimited_path "$get_search_directories" ':' '\ ' reordered_search_directories=$converted_path $ECHO "Original: $save_search_directories" $ECHO "Reordered: $reordered_search_directories" exit $EXIT_SUCCESS ;; *) func_error "--reorder-cache is not supported for host_os=$host_os." exit $EXIT_FAILURE ;; esac } # end func_reorder_shared_lib_cache # func_mode_compile arg... func_mode_compile () { $debug_cmd # Get the compilation command and the source file. base_compile= srcfile=$nonopt # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg=$arg arg_mode=normal ;; target ) libobj=$arg arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify '-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs=$IFS; IFS=, for arg in $args; do IFS=$save_ifs func_append_quoted lastarg "$arg" done IFS=$save_ifs func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg=$srcfile srcfile=$arg ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with '-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj=$func_basename_result } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from '$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test yes = "$build_libtool_libs" \ || func_fatal_configuration "cannot build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_arg pretty "$libobj" test "X$libobj" != "X$func_quote_arg_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name '$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname=$func_basename_result xdir=$func_dirname_result lobj=$xdir$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test yes = "$build_old_libs"; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | windows* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test no = "$compiler_c_o"; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext lockfile=$output_obj.lock else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test yes = "$need_locks"; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test warn = "$need_locks"; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_arg pretty "$srcfile" qsrcfile=$func_quote_arg_result # Only build a PIC object if we are building libtool libraries. if test yes = "$build_libtool_libs"; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test no != "$pic_mode"; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test yes = "$suppress_opt"; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test yes = "$build_old_libs"; then if test yes != "$pic_mode"; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test yes = "$compiler_c_o"; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test no != "$need_locks"; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test compile = "$opt_mode" && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a '.o' file suitable for static linking -static only build a '.o' file suitable for static linking -Wc,FLAG -Xcompiler FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a 'standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix '.c' with the library object suffix, '.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to '-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the '--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the 'install' or 'cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE use a list of object files found in FILE to specify objects -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wa,FLAG -Xassembler FLAG pass linker-specific FLAG directly to the assembler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with '-') are ignored. Every other argument is treated as a filename. Files ending in '.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in '.la', then a libtool library is created, only library objects ('.lo' files) may be specified, and '-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created using 'ar' and 'ranlib', or on Windows using 'lib'. If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode '$opt_mode'" ;; esac echo $ECHO "Try '$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test : = "$opt_help"; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | $SED -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | $SED '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # If option '--reorder-cache', reorder the shared library cache and exit. if $opt_reorder_cache; then func_reorder_shared_lib_cache $shared_lib_dirs fi # func_mode_execute arg... func_mode_execute () { $debug_cmd # The first argument is the command name. cmd=$nonopt test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "'$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "'$file' was not linked with '-export-dynamic'" continue fi func_dirname "$file" "" "." dir=$func_dirname_result if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir=$func_dirname_result ;; *) func_warning "'-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir=$absdir # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic=$magic # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file=$progdir/$program elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file=$progdir/$program fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if $opt_dry_run; then # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS else if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd=\$cmd$args fi } test execute = "$opt_mode" && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $debug_cmd libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "'$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument '$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and '=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs" && $opt_finishing; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_quiet && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done if test "false" = "$opt_finishing"; then echo echo "NOTE: finish_cmds were not executed during testing, so you must" echo "manually run ldconfig to add a given test directory, LIBDIR, to" echo "the search path for generated executables." fi echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the '-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the '$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the '$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the '$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test finish = "$opt_mode" && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $debug_cmd # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac then # Aesthetically quote it. func_quote_arg pretty "$nonopt" install_prog="$func_quote_arg_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_arg pretty "$arg" func_append install_prog "$func_quote_arg_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=false stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=: ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test X-m = "X$prev" && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_arg pretty "$arg" func_append install_prog " $func_quote_arg_result" if test -n "$arg2"; then func_quote_arg pretty "$arg2" fi func_append install_shared_prog " $func_quote_arg_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the '$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_arg pretty "$install_override_mode" func_append install_shared_prog " -m $func_quote_arg_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=: if $isdir; then destdir=$dest destname= else func_dirname_and_basename "$dest" "" "." destdir=$func_dirname_result destname=$func_basename_result # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "'$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "'$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic=$magic staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir=$func_dirname_result func_append dir "$objdir" if test -n "$relink_command"; then # Strip any trailing slash from the destination. func_stripname '' '/' "$libdir" destlibdir=$func_stripname_result func_stripname '' '/' "$destdir" s_destdir=$func_stripname_result # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "X$s_destdir" | $Xsed -e "s%$destlibdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking '$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname=$1 shift srcname=$realname test -n "$relink_command" && srcname=${realname}T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme=$stripme case $host_os in cygwin* | mingw* | windows* | pw32* | cegcc*) case $realname in *.dll.a) tstripme= ;; esac ;; os2*) case $realname in *_dll.a) tstripme= ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try 'ln -sf' first, because the 'ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib=$destdir/$realname func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name=$func_basename_result instname=$dir/${name}i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest=$destfile destfile= ;; *) func_fatal_help "cannot copy a libtool object to '$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test yes = "$build_old_libs"; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext= case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=.exe fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw* | *windows*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script '$wrapper'" finalize=: for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` if test -n "$libdir" && test ! -f "$libfile"; then func_warning "'$lib' has not been installed in '$libdir'" finalize=false fi done relink_command= func_source "$wrapper" outputname= if test no = "$fast_install" && test -n "$relink_command"; then $opt_dry_run || { if $finalize; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file=$func_basename_result outputname=$tmpdir/$file # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_quiet || { func_quote_arg expand,pretty "$relink_command" eval "func_echo $func_quote_arg_result" } if eval "$relink_command"; then : else func_error "error: relink '$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file=$outputname else func_warning "cannot relink '$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name=$func_basename_result # Set up the ranlib parameters. oldlib=$destdir/$name func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run '$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test install = "$opt_mode" && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $debug_cmd my_outputname=$1 my_originator=$2 my_pic_p=${3-false} my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms=${my_outputname}S.c else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist=$output_objdir/$my_outputname.nm func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* External symbol declarations for the compiler. */\ " if test yes = "$dlself"; then func_verbose "generating symbol list for '$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from '$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols=$output_objdir/$outputname.exp $opt_dry_run || { $RM $export_symbols eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *windows* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *windows* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from '$dlprefile'" func_basename "$dlprefile" name=$func_basename_result case $host in *cygwin* | *mingw* | *windows* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename= if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname"; then func_basename "$dlprefile_dlname" dlprefile_dlbasename=$func_basename_result else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename"; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 case $host in i[3456]86-*-mingw32*) eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" ;; *) eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/__nm_//' >> '$nlist'" ;; esac } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi func_show_eval '$RM "${nlist}I"' if test -n "$global_symbol_to_import"; then eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[];\ " if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ static void lt_syminit(void) { LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; for (; symbol->name; ++symbol) {" $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" echo >> "$output_objdir/$my_dlsyms" "\ } }" fi echo >> "$output_objdir/$my_dlsyms" "\ LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = { {\"$my_originator\", (void *) 0}," if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ {\"@INIT@\", (void *) <_syminit}," fi case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) $my_pic_p && pic_flag_for_symtable=" $pic_flag" ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' # Transform the symbol file into the correct name. symfileobj=$output_objdir/${my_outputname}S.$objext case $host in *cygwin* | *mingw* | *windows* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for '$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $debug_cmd win32_libid_type=unknown win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64|pe-aarch64)' >/dev/null; then case $nm_interface in "MS dumpbin") if func_cygming_ms_implib_p "$1" || func_cygming_gnu_implib_p "$1" then win32_nmres=import else win32_nmres= fi ;; *) func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s|.*|import| p q } }'` ;; esac case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $debug_cmd sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $debug_cmd match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive that possess that section. Heuristic: eliminate # all those that have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $debug_cmd if func_cygming_gnu_implib_p "$1"; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1"; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result= fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $debug_cmd f_ex_an_ar_dir=$1; shift f_ex_an_ar_oldlib=$1 if test yes = "$lock_old_archive_extraction"; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test yes = "$lock_old_archive_extraction"; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $debug_cmd my_gentop=$1; shift my_oldlibs=${1+"$@"} my_oldobjs= my_xlib= my_xabs= my_xdir= for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib=$func_basename_result my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir=$my_gentop/$my_xlib_u func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` func_basename "$darwin_archive" darwin_base_archive=$func_basename_result darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches; do func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" cd "unfat-$$/$darwin_base_archive-$darwin_arch" func_extract_an_archive "`pwd`" "$darwin_base_archive" cd "$darwin_curdir" $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result=$my_oldobjs } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw/windows # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory where it is stored is # the $objdir directory. This is a cygwin/mingw/windows-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" func_quote_arg pretty "$ECHO" qECHO=$func_quote_arg_result $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=$qECHO fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ that is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options that match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw* | *-*-windows* | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw/windows when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test yes = "$fast_install"; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else \$ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #if defined _WIN32 && !defined __GNUC__ # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* declarations of non-ANSI functions */ #if defined __MINGW32__ # ifdef __STRICT_ANSI__ _CRTIMP int __cdecl _putenv (const char *); # endif #elif defined __CYGWIN__ # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined other_platform || defined ... */ #endif /* portability defines, excluding path handling macros */ #if defined _MSC_VER # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC #elif defined __MINGW32__ # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined __CYGWIN__ # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined other platforms ... */ #endif #if defined PATH_MAX # define LT_PATHMAX PATH_MAX #elif defined MAXPATHLEN # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ defined __OS2__ # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free (stale); stale = 0; } \ } while (0) #if defined LT_DEBUGWRAPPER static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; size_t tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined HAVE_DOS_BASED_FILE_SYSTEM if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined HAVE_DOS_BASED_FILE_SYSTEM } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = (size_t) (q - p); p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (STREQ (str, pat)) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else size_t len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { size_t orig_value_len = strlen (orig_value); size_t add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ size_t len = strlen (new_value); while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[--len] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw* | windows*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $debug_cmd case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_suncc_cstd_abi # !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! # Several compiler flags select an ABI that is incompatible with the # Cstd library. Avoid specifying it if any are in CXXFLAGS. func_suncc_cstd_abi () { $debug_cmd case " $compile_command " in *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) suncc_use_cstd_abi=no ;; *) suncc_use_cstd_abi=yes ;; esac } # func_mode_link arg... func_mode_link () { $debug_cmd case $host in *-*-cygwin* | *-*-mingw* | *-*-windows* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # what system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll that has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= compile_rpath_tail= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= os2dllname= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=false prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= temp_rpath_tail= thread_safe=no vinfo= vinfo_number=no weak_libs= rpath_arg= single_module=$wl-single_module func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test yes != "$build_libtool_libs" \ && func_fatal_configuration "cannot build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg=$1 shift func_quote_arg pretty,unquoted "$arg" qarg=$func_quote_arg_unquoted_result func_append libtool_args " $func_quote_arg_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir=$arg prev= continue ;; dlfiles|dlprefiles) $preload || { # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=: } case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test no = "$dlself"; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test dlprefiles = "$prev"; then dlself=yes elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test dlfiles = "$prev"; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols=$arg test -f "$arg" \ || func_fatal_error "symbol file '$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex=$arg prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir=$arg prev= continue ;; mllvm) # Clang does not use LLVM to link, so we can simply discard any # '-mllvm $arg' options when doing the link step. prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result if test none != "$pic_object"; then # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object fi # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file '$arg' does not exist" fi arg=$save_arg prev= continue ;; os2dllname) os2dllname=$arg prev= continue ;; precious_regex) precious_files_regex=$arg prev= continue ;; release) release=-$arg prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "argument to -rpath is not absolute: $arg" ;; esac if test rpath = "$prev"; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds=$arg prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xassembler) func_append compiler_flags " -Xassembler $qarg" prev= func_append compile_command " -Xassembler $qarg" func_append finalize_command " -Xassembler $qarg" continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg=$arg case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "'-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test X-export-symbols = "X$arg"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between '-L' and '$1'" else func_fatal_error "need path for '-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of '$dir'" dir=$absdir ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-windows* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test X-lc = "X$arg" || test X-lm = "X$arg"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-windows* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test X-lc = "X$arg" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-midnightbsd*) # Do not include libc due to us having libc/libc_r. test X-lc = "X$arg" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test X-lc = "X$arg" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test X-lc = "X$arg" && continue ;; esac elif test X-lc_r = "X$arg"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-midnightbsd*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -mllvm) prev=mllvm continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. # -q