ap_mmn.h revision ef5650b61a8e35f3cc93ec07e73efc17ea329894
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder/* Copyright 1999-2005 The Apache Software Foundation or its licensors, as
e9458b1a7a19a63aa4c179f9ab20f4d50681c168Jens Elkner * applicable.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Licensed under the Apache License, Version 2.0 (the "License");
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * you may not use this file except in compliance with the License.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * You may obtain a copy of the License at
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * http://www.apache.org/licenses/LICENSE-2.0
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Unless required by applicable law or agreed to in writing, software
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * distributed under the License is distributed on an "AS IS" BASIS,
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * See the License for the specific language governing permissions and
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * limitations under the License.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * @package Module Magic Number
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * MODULE_MAGIC_NUMBER_MAJOR
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Major API changes that could cause compatibility problems for older modules
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * such as structure size changes. No binary compatibility is possible across
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * a change in the major version.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * MODULE_MAGIC_NUMBER_MINOR
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Minor API changes that do not cause binary compatibility problems.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * See the MODULE_MAGIC_AT_LEAST macro below for an example.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20010224 (2.0.13-dev) MODULE_MAGIC_COOKIE reset to "AP20"
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20010523 (2.0.19-dev) bump for scoreboard structure reordering
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20010627 (2.0.19-dev) more API changes than I can count
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20010726 (2.0.22-dev) more big API changes
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20010808 (2.0.23-dev) dir d_is_absolute bit introduced, bucket changes, etc
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20010825 (2.0.25-dev) removed d_is_absolute, introduced map_to_storage hook
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20011002 (2.0.26-dev) removed 1.3-depreciated request_rec.content_language
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20011127 (2.0.29-dev) bump for postconfig hook change, and removal of socket
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * from connection record
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20011212 (2.0.30-dev) bump for new used_path_info member of request_rec
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20011218 (2.0.30-dev) bump for new sbh member of conn_rec, different
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * declarations for scoreboard, new parameter to
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * create_connection hook
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020102 (2.0.30-dev) bump for changed type of limit_req_body in
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * core_dir_config
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020109 (2.0.31-dev) bump for changed shm and scoreboard declarations
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020111 (2.0.31-dev) bump for ETag fields added at end of cor_dir_config
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020114 (2.0.31-dev) mod_dav changed how it asks its provider to fulfill
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * a GET request
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020118 (2.0.31-dev) Input filtering split of blocking and mode
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020127 (2.0.31-dev) bump for pre_mpm hook change
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020128 (2.0.31-dev) bump for pre_config hook change
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020218 (2.0.33-dev) bump for AddOutputFilterByType directive
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020220 (2.0.33-dev) bump for scoreboard.h structure change
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020302 (2.0.33-dev) bump for protocol_filter additions.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020306 (2.0.34-dev) bump for filter type renames.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020318 (2.0.34-dev) mod_dav's API for REPORT generation changed
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020319 (2.0.34-dev) M_INVALID changed, plus new M_* methods for RFC 3253
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020327 (2.0.35-dev) Add parameter to quick_handler hook
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020329 (2.0.35-dev) bump for addition of freelists to bucket API
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020329.1 (2.0.36) minor bump for new arg to opt fn ap_cgi_build_command
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020506 (2.0.37-dev) Removed r->boundary in request_rec.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020529 (2.0.37-dev) Standardized the names of some apr_pool_*_set funcs
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020602 (2.0.37-dev) Bucket API change (metadata buckets)
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020612 (2.0.38-dev) Changed server_rec->[keep_alive_]timeout to apr time
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020625 (2.0.40-dev) Changed conn_rec->keepalive to an enumeration
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020628 (2.0.40-dev) Added filter_init to filter registration functions
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020903 (2.0.41-dev) APR's error constants changed
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020903.1 (2.1.0-dev) allow_encoded_slashes added to core_dir_config
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20020903.2 (2.0.46-dev) add ap_escape_logitem
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20030213.1 (2.1.0-dev) changed log_writer optional fn's to return previous
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20030821 (2.1.0-dev) bumped mod_include's entire API
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20030821.1 (2.1.0-dev) added XHTML doctypes
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20030821.2 (2.1.0-dev) added ap_escape_errorlog_item
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20030821.3 (2.1.0-dev) added ap_get_server_revision / ap_version_t
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20040425 (2.1.0-dev) removed ap_add_named_module API
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * changed ap_add_module, ap_add_loaded_module,
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * ap_setup_prelinked_modules, ap_process_resource_config
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20040425.1 (2.1.0-dev) Added ap_module_symbol_t and ap_prelinked_module_symbols
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20050101.0 (2.1.2-dev) Axed misnamed http_method for http_scheme (which it was!)
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * 20050127.0 (2.1.3-dev) renamed regex_t->ap_regex_t, regmatch_t->ap_regmatch_t,
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * REG_*->AP_REG_*, removed reg* in place of ap_reg*;
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder#define MODULE_MAGIC_COOKIE 0x41503230UL /* "AP20" */
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder#define MODULE_MAGIC_NUMBER_MAJOR 20050127
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder#define MODULE_MAGIC_NUMBER_MINOR 0 /* 0...n */
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Determine if the server's current MODULE_MAGIC_NUMBER is at least a
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * specified value.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * Useful for testing for features.
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * For example, suppose you wish to use the apr_table_overlap
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * function. You can do this:
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2)
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * ... use apr_table_overlap()
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * ... alternative code which doesn't use apr_table_overlap()
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * @param major The major module magic number
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * @param minor The minor module magic number
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder * @deffunc AP_MODULE_MAGIC_AT_LEAST(int major, int minor)
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder#define AP_MODULE_MAGIC_AT_LEAST(major,minor) \
081559cfba7150d19604bdeafdc2d9983f7216b3Jonathan von Schroeder ((major) < MODULE_MAGIC_NUMBER_MAJOR \