ap_mmn.h revision ce9621257ef9e54c1bbe5ad8a5f445a1f211c2dc
/* Copyright 2000-2004 Apache Software Foundation
*
* Licensed 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
*
*
* 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.
*/
#ifndef APACHE_AP_MMN_H
#define APACHE_AP_MMN_H
/**
* @package Module Magic Number
*/
/*
* 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 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
*/
#ifndef MODULE_MAGIC_NUMBER_MAJOR
#define MODULE_MAGIC_NUMBER_MAJOR 20030821
#endif
/**
* 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)
*/
((major) < MODULE_MAGIC_NUMBER_MAJOR \
|| ((major) == MODULE_MAGIC_NUMBER_MAJOR \
&& (minor) <= MODULE_MAGIC_NUMBER_MINOR))
/** @deprecated present for backwards compatibility */
#endif /* !APACHE_AP_MMN_H */