1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef APACHE_AP_MMN_H
18 #define APACHE_AP_MMN_H
21 * @package Module Magic Number
25 * MODULE_MAGIC_NUMBER_MAJOR
26 * Major API changes that could cause compatibility problems for older modules
27 * such as structure size changes. No binary compatibility is possible across
28 * a change in the major version.
30 * MODULE_MAGIC_NUMBER_MINOR
31 * Minor API changes that do not cause binary compatibility problems.
32 * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR.
34 * See the MODULE_MAGIC_AT_LEAST macro below for an example.
38 * 20010224 (2.0.13-dev) MODULE_MAGIC_COOKIE reset to "AP20"
39 * 20010523 (2.0.19-dev) bump for scoreboard structure reordering
40 * 20010627 (2.0.19-dev) more API changes than I can count
41 * 20010726 (2.0.22-dev) more big API changes
42 * 20010808 (2.0.23-dev) dir d_is_absolute bit introduced, bucket changes, etc
43 * 20010825 (2.0.25-dev) removed d_is_absolute, introduced map_to_storage hook
44 * 20011002 (2.0.26-dev) removed 1.3-depreciated request_rec.content_language
45 * 20011127 (2.0.29-dev) bump for postconfig hook change, and removal of socket
46 * from connection record
47 * 20011212 (2.0.30-dev) bump for new used_path_info member of request_rec
48 * 20011218 (2.0.30-dev) bump for new sbh member of conn_rec, different
49 * declarations for scoreboard, new parameter to
50 * create_connection hook
51 * 20020102 (2.0.30-dev) bump for changed type of limit_req_body in
53 * 20020109 (2.0.31-dev) bump for changed shm and scoreboard declarations
54 * 20020111 (2.0.31-dev) bump for ETag fields added at end of cor_dir_config
55 * 20020114 (2.0.31-dev) mod_dav changed how it asks its provider to fulfill
57 * 20020118 (2.0.31-dev) Input filtering split of blocking and mode
58 * 20020127 (2.0.31-dev) bump for pre_mpm hook change
59 * 20020128 (2.0.31-dev) bump for pre_config hook change
60 * 20020218 (2.0.33-dev) bump for AddOutputFilterByType directive
61 * 20020220 (2.0.33-dev) bump for scoreboard.h structure change
62 * 20020302 (2.0.33-dev) bump for protocol_filter additions.
63 * 20020306 (2.0.34-dev) bump for filter type renames.
64 * 20020318 (2.0.34-dev) mod_dav's API for REPORT generation changed
65 * 20020319 (2.0.34-dev) M_INVALID changed, plus new M_* methods for RFC 3253
66 * 20020327 (2.0.35-dev) Add parameter to quick_handler hook
67 * 20020329 (2.0.35-dev) bump for addition of freelists to bucket API
68 * 20020329.1 (2.0.36) minor bump for new arg to opt fn ap_cgi_build_command
69 * 20020506 (2.0.37-dev) Removed r->boundary in request_rec.
70 * 20020529 (2.0.37-dev) Standardized the names of some apr_pool_*_set funcs
71 * 20020602 (2.0.37-dev) Bucket API change (metadata buckets)
72 * 20020612 (2.0.38-dev) Changed server_rec->[keep_alive_]timeout to apr time
73 * 20020625 (2.0.40-dev) Changed conn_rec->keepalive to an enumeration
74 * 20020628 (2.0.40-dev) Added filter_init to filter registration functions
75 * 20020903 (2.0.41-dev) APR's error constants changed
76 * 20020903.2 (2.0.46-dev) add ap_escape_logitem
77 * 20020903.3 (2.0.46-dev) allow_encoded_slashes added to core_dir_config
78 * 20020903.4 (2.0.47-dev) add ap_is_recursion_limit_exceeded()
79 * 20020903.5 (2.0.49-dev) add ap_escape_errorlog_item()
80 * 20020903.6 (2.0.49-dev) add insert_error_filter hook
81 * 20020903.7 (2.0.49-dev) added XHTML Doctypes
82 * 20020903.8 (2.0.50-dev) export ap_set_sub_req_protocol and
83 * ap_finalize_sub_req_protocol on Win32 and NetWare
84 * 20020903.9 (2.0.51-dev) create pcommands and initialize arrays before
85 * calling ap_setup_prelinked_modules
86 * 20020903.10 (2.0.55-dev) add ap_log_cerror()
87 * 20020903.11 (2.0.55-dev) added trace_enable to core_server_config
88 * 20020903.12 (2.0.56-dev) added ap_get_server_revision / ap_version_t
89 * 20020903.13 (2.0.62-dev) Add *ftp_directory_charset to proxy_dir_conf
90 * 20020903.14 (2.0.64-dev) added ap_vhost_iterate_given_conn
93 #define MODULE_MAGIC_COOKIE 0x41503230UL /* "AP20" */
95 #ifndef MODULE_MAGIC_NUMBER_MAJOR
96 #define MODULE_MAGIC_NUMBER_MAJOR 20020903
98 #define MODULE_MAGIC_NUMBER_MINOR 14 /* 0...n */
101 * Determine if the server's current MODULE_MAGIC_NUMBER is at least a
104 * Useful for testing for features.
105 * For example, suppose you wish to use the apr_table_overlap
106 * function. You can do this:
108 * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2)
109 * ... use apr_table_overlap()
111 * ... alternative code which doesn't use apr_table_overlap()
114 * @param major The major module magic number
115 * @param minor The minor module magic number
116 * @deffunc AP_MODULE_MAGIC_AT_LEAST(int major, int minor)
118 #define AP_MODULE_MAGIC_AT_LEAST(major,minor) \
119 ((major) < MODULE_MAGIC_NUMBER_MAJOR \
120 || ((major) == MODULE_MAGIC_NUMBER_MAJOR \
121 && (minor) <= MODULE_MAGIC_NUMBER_MINOR))
123 /** @deprecated present for backwards compatibility */
124 #define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR
125 #define MODULE_MAGIC_AT_LEAST old_broken_macro_we_hope_you_are_not_using
127 #endif /* !APACHE_AP_MMN_H */