Edit File: ap_mmn.h
/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file ap_mmn.h * @brief Module Magic Number * * @defgroup APACHE_CORE_MMN Module Magic Number * @ingroup APACHE_CORE * @{ */ #ifndef APACHE_AP_MMN_H #define APACHE_AP_MMN_H /* * MODULE_MAGIC_NUMBER_MAJOR * Major API changes that could cause compatibility problems for older modules * such as structure size changes. No binary compatibility is possible across * a change in the major version. * * MODULE_MAGIC_NUMBER_MINOR * Minor API changes that do not cause binary compatibility problems. * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR. * * See the AP_MODULE_MAGIC_AT_LEAST macro below for an example. */ /* * 20010224 (2.0.13-dev) MODULE_MAGIC_COOKIE reset to "AP20" * 20010523 (2.0.19-dev) bump for scoreboard structure reordering * 20010627 (2.0.19-dev) more API changes than I can count * 20010726 (2.0.22-dev) more big API changes * 20010808 (2.0.23-dev) dir d_is_absolute bit introduced, bucket changes, etc * 20010825 (2.0.25-dev) removed d_is_absolute, introduced map_to_storage hook * 20011002 (2.0.26-dev) removed 1.3-depreciated request_rec.content_language * 20011127 (2.0.29-dev) bump for postconfig hook change, and removal of socket * from connection record * 20011212 (2.0.30-dev) bump for new used_path_info member of request_rec * 20011218 (2.0.30-dev) bump for new sbh member of conn_rec, different * declarations for scoreboard, new parameter to * create_connection hook * 20020102 (2.0.30-dev) bump for changed type of limit_req_body in * core_dir_config * 20020109 (2.0.31-dev) bump for changed shm and scoreboard declarations * 20020111 (2.0.31-dev) bump for ETag fields added at end of cor_dir_config * 20020114 (2.0.31-dev) mod_dav changed how it asks its provider to fulfill * a GET request * 20020118 (2.0.31-dev) Input filtering split of blocking and mode * 20020127 (2.0.31-dev) bump for pre_mpm hook change * 20020128 (2.0.31-dev) bump for pre_config hook change * 20020218 (2.0.33-dev) bump for AddOutputFilterByType directive * 20020220 (2.0.33-dev) bump for scoreboard.h structure change * 20020302 (2.0.33-dev) bump for protocol_filter additions. * 20020306 (2.0.34-dev) bump for filter type renames. * 20020318 (2.0.34-dev) mod_dav's API for REPORT generation changed * 20020319 (2.0.34-dev) M_INVALID changed, plus new M_* methods for RFC 3253 * 20020327 (2.0.35-dev) Add parameter to quick_handler hook * 20020329 (2.0.35-dev) bump for addition of freelists to bucket API * 20020329.1 (2.0.36) minor bump for new arg to opt fn ap_cgi_build_command * 20020506 (2.0.37-dev) Removed r->boundary in request_rec. * 20020529 (2.0.37-dev) Standardized the names of some apr_pool_*_set funcs * 20020602 (2.0.37-dev) Bucket API change (metadata buckets) * 20020612 (2.0.38-dev) Changed server_rec->[keep_alive_]timeout to apr time * 20020625 (2.0.40-dev) Changed conn_rec->keepalive to an enumeration * 20020628 (2.0.40-dev) Added filter_init to filter registration functions * 20020903 (2.0.41-dev) APR's error constants changed * 20020903.1 (2.1.0-dev) allow_encoded_slashes added to core_dir_config * 20020903.2 (2.0.46-dev) add ap_escape_logitem * 20030213.1 (2.1.0-dev) changed log_writer optional fn's to return previous * handler * 20030821 (2.1.0-dev) bumped mod_include's entire API * 20030821.1 (2.1.0-dev) added XHTML doctypes * 20030821.2 (2.1.0-dev) added ap_escape_errorlog_item * 20030821.3 (2.1.0-dev) added ap_get_server_revision / ap_version_t * 20040425 (2.1.0-dev) removed ap_add_named_module API * changed ap_add_module, ap_add_loaded_module, * ap_setup_prelinked_modules, ap_process_resource_config * 20040425.1 (2.1.0-dev) Added ap_module_symbol_t and ap_prelinked_module_symbols * 20050101.0 (2.1.2-dev) Axed misnamed http_method for http_scheme (which it was!) * 20050127.0 (2.1.3-dev) renamed regex_t->ap_regex_t, regmatch_t->ap_regmatch_t, * REG_*->AP_REG_*, removed reg* in place of ap_reg*; * added ap_regex.h * 20050217.0 (2.1.3-dev) Axed find_child_by_pid, mpm_*_completion_context (winnt mpm) * symbols from the public sector, and decorated real_exit_code * with ap_ in the win32 os.h. * 20050305.0 (2.1.4-dev) added pid and generation fields to worker_score * 20050305.1 (2.1.5-dev) added ap_vhost_iterate_given_conn. * 20050305.2 (2.1.5-dev) added AP_INIT_TAKE_ARGV. * 20050305.3 (2.1.5-dev) added Protocol Framework. * 20050701.0 (2.1.7-dev) Bump MODULE_MAGIC_COOKIE to "AP21"! * 20050701.1 (2.1.7-dev) trace_enable member added to core server_config * 20050708.0 (2.1.7-dev) Bump MODULE_MAGIC_COOKIE to "AP22"! * 20050708.1 (2.1.7-dev) add proxy request_status hook (minor) * 20051006.0 (2.1.8-dev) NET_TIME filter eliminated * 20051115.0 (2.1.10-dev/2.2.0) add use_canonical_phys_port to core_dir_config * 20051115.1 (2.2.1) flush_packets and flush_wait members added to * proxy_server (minor) * 20051115.2 (2.2.2) added inreslist member to proxy_conn_rec (minor) * 20051115.3 (2.2.3) Added server_scheme member to server_rec (minor) * 20051115.4 (2.2.4) Added ap_get_server_banner() and * ap_get_server_description() (minor) * 20051115.5 (2.2.5) Added ap_mpm_safe_kill() (minor) * 20051115.6 (2.2.7) Added retry_set to proxy_worker (minor) * 20051115.7 (2.2.7) Added conn_rec::clogging_input_filters (minor) * 20051115.8 (2.2.7) Added flags to proxy_alias (minor) * 20051115.9 (2.2.7) Add ap_send_interim_response API * 20051115.10 (2.2.7) Added ap_mod_status_reqtail (minor) * 20051115.11 (2.2.7) Add *ftp_directory_charset to proxy_dir_conf * 20051115.12 (2.2.8) Add optional function ap_logio_add_bytes_in() to mog_logio * 20051115.13 (2.2.9) Add disablereuse and disablereuse_set * to proxy_worker struct (minor) * 20051115.14 (2.2.9) Add ap_proxy_ssl_connection_cleanup and * add *scpool, *r and need_flush to proxy_conn_rec * structure * 20051115.15 (2.2.9) Add interpolate_env to proxy_dir_conf and * introduce proxy_req_conf. * 20051115.16 (2.2.9) Add conn_timeout and conn_timeout_set to * proxy_worker struct. * 20051115.17 (2.2.10) Add scolonsep to proxy_balancer * 20051115.18 (2.2.10) Add chroot support to unixd_config * 20051115.19 (2.2.11) Added ap_timeout_parameter_parse to util.c / httpd.h * 20051115.20 (2.2.11) Add ap_proxy_buckets_lifetime_transform to mod_proxy.h * 20051115.21 (2.2.11) Export mod_rewrite.h in the public API * 20051115.22 (2.2.12) Add ap_escape_html2 API, with additional option * 20051115.23 (2.2.12) Add ap_open_piped_log_ex API, with cmdtype option, * and conditional cmdtype member of piped_log struct * 20051115.24 (2.2.15) Add forward member to proxy_conn_rec * 20051115.25 (2.2.17) Add errstatuses member to proxy_balancer * 20051115.26 (2.2.18) Add ap_cache_check_allowed() * 20051115.27 (2.2.18) BROKEN ABI fixed in 2.2.19: * ap_unescape_url_keep2f() signature change * Add core_dir_config.decode_encoded_slashes. * 20051115.28 (2.2.19) Restore ap_unescape_url_keep2f(char *url) signature * altered in 2.2.18. Add ap_unescape_url_keep2f_ex(). * 20051115.29 (2.2.21) add max_ranges to core_dir_config * 20051115.30 (2.2.21) add ap_set_accept_ranges() * 20051115.31 (2.2.23) Add forcerecovery to proxy_balancer_shared struct * 20051115.32 (2.2.24) Add ap_get_exec_line * 20051115.33 (2.2.24) Add ap_pregsub_ex() * 20051115.34 (2.2.28) Add ap_copy_scoreboard_worker() * 20051115.35 (2.2.28) Add SSL reusable SNI to mod_proxy.h's proxy_conn_rec * 20051115.36 (2.2.28) Add r->trailers_{in,out} */ #define MODULE_MAGIC_COOKIE 0x41503232UL /* "AP22" */ #ifndef MODULE_MAGIC_NUMBER_MAJOR #define MODULE_MAGIC_NUMBER_MAJOR 20051115 #endif #define MODULE_MAGIC_NUMBER_MINOR 36 /* 0...n */ /** * Determine if the server's current MODULE_MAGIC_NUMBER is at least a * specified value. * <pre> * Useful for testing for features. * For example, suppose you wish to use the apr_table_overlap * function. You can do this: * * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2) * ... use apr_table_overlap() * #else * ... alternative code which doesn't use apr_table_overlap() * #endif * </pre> * @param major The major module magic number * @param minor The minor module magic number * @deffunc AP_MODULE_MAGIC_AT_LEAST(int major, int minor) */ #define AP_MODULE_MAGIC_AT_LEAST(major,minor) \ ((major) < MODULE_MAGIC_NUMBER_MAJOR \ || ((major) == MODULE_MAGIC_NUMBER_MAJOR \ && (minor) <= MODULE_MAGIC_NUMBER_MINOR)) /** @deprecated present for backwards compatibility */ #define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR #define MODULE_MAGIC_AT_LEAST old_broken_macro_we_hope_you_are_not_using #endif /* !APACHE_AP_MMN_H */ /** @} */
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