1{ Copyright 1999-2005 The Apache Software Foundation or its licensors, as
2 * applicable.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 }
16
17{
18 * @package Module Magic Number
19 }
20
21{
22 * MODULE_MAGIC_NUMBER_MAJOR
23 * Major API changes that could cause compatibility problems for older modules
24 * such as structure size changes.  No binary compatibility is possible across
25 * a change in the major version.
26 *
27 * MODULE_MAGIC_NUMBER_MINOR
28 * Minor API changes that do not cause binary compatibility problems.
29 * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR.
30 *
31 * See the MODULE_MAGIC_AT_LEAST macro below for an example.
32 }
33
34{
35 * 20010224 (2.0.13-dev) MODULE_MAGIC_COOKIE reset to "AP20"
36 * 20010523 (2.0.19-dev) bump for scoreboard structure reordering
37 * 20010627 (2.0.19-dev) more API changes than I can count
38 * 20010726 (2.0.22-dev) more big API changes
39 * 20010808 (2.0.23-dev) dir d_is_absolute bit introduced, bucket changes, etc
40 * 20010825 (2.0.25-dev) removed d_is_absolute, introduced map_to_storage hook
41 * 20011002 (2.0.26-dev) removed 1.3-depreciated request_rec.content_language
42 * 20011127 (2.0.29-dev) bump for postconfig hook change, and removal of socket
43 *                       from connection record
44 * 20011212 (2.0.30-dev) bump for new used_path_info member of request_rec
45 * 20011218 (2.0.30-dev) bump for new sbh member of conn_rec, different
46 *                       declarations for scoreboard, new parameter to
47 *                       create_connection hook
48 * 20020102 (2.0.30-dev) bump for changed type of limit_req_body in
49 *                       core_dir_config
50 * 20020109 (2.0.31-dev) bump for changed shm and scoreboard declarations
51 * 20020111 (2.0.31-dev) bump for ETag fields added at end of cor_dir_config
52 * 20020114 (2.0.31-dev) mod_dav changed how it asks its provider to fulfill
53 *                       a GET request
54 * 20020118 (2.0.31-dev) Input filtering split of blocking and mode
55 * 20020127 (2.0.31-dev) bump for pre_mpm hook change
56 * 20020128 (2.0.31-dev) bump for pre_config hook change
57 * 20020218 (2.0.33-dev) bump for AddOutputFilterByType directive
58 * 20020220 (2.0.33-dev) bump for scoreboard.h structure change
59 * 20020302 (2.0.33-dev) bump for protocol_filter additions.
60 * 20020306 (2.0.34-dev) bump for filter type renames.
61 * 20020318 (2.0.34-dev) mod_dav's API for REPORT generation changed
62 * 20020319 (2.0.34-dev) M_INVALID changed, plus new M_* methods for RFC 3253
63 * 20020327 (2.0.35-dev) Add parameter to quick_handler hook
64 * 20020329 (2.0.35-dev) bump for addition of freelists to bucket API
65 * 20020329.1 (2.0.36) minor bump for new arg to opt fn ap_cgi_build_command
66 * 20020506 (2.0.37-dev) Removed r->boundary in request_rec.
67 * 20020529 (2.0.37-dev) Standardized the names of some apr_pool_*_set funcs
68 * 20020602 (2.0.37-dev) Bucket API change (metadata buckets)
69 * 20020612 (2.0.38-dev) Changed server_rec->[keep_alive_]timeout to apr time
70 * 20020625 (2.0.40-dev) Changed conn_rec->keepalive to an enumeration
71 * 20020628 (2.0.40-dev) Added filter_init to filter registration functions
72 * 20020903 (2.0.41-dev) APR's error constants changed
73 * 20020903.2 (2.0.46-dev) add ap_escape_logitem
74 * 20020903.3 (2.0.46-dev) allow_encoded_slashes added to core_dir_config
75 * 20020903.4 (2.0.47-dev) add ap_is_recursion_limit_exceeded()
76 * 20020903.5 (2.0.49-dev) add ap_escape_errorlog_item()
77 * 20020903.6 (2.0.49-dev) add insert_error_filter hook
78 * 20020903.7 (2.0.49-dev) added XHTML Doctypes
79 * 20020903.8 (2.0.50-dev) export ap_set_sub_req_protocol and
80 *                         ap_finalize_sub_req_protocol on Win32 and NetWare
81 * 20020903.9 (2.0.51-dev) create pcommands and initialize arrays before
82 *                         calling ap_setup_prelinked_modules
83 * 20020903.10 (2.0.55-dev) add ap_log_cerror()
84 * 20020903.11 (2.0.55-dev) added trace_enable to core_server_config
85 * 20020903.12 (2.0.56-dev) added ap_get_server_revision / ap_version_t
86 }
87const
88
89  MODULE_MAGIC_COOKIE = $41503230; { "AP20" }
90
91  MODULE_MAGIC_NUMBER_MAJOR = 20020903; { For 2.0.58 Also works for 2.0.54}
92
93  MODULE_MAGIC_NUMBER_MINOR = 12;                    // 0...n
94
95{
96 * Determine if the server's current MODULE_MAGIC_NUMBER is at least a
97 * specified value.
98 * <pre>
99 * Useful for testing for features.
100 * For example, suppose you wish to use the apr_table_overlap
101 *    function.  You can do this:
102 *
103 * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2)
104 *     ... use apr_table_overlap()
105 * #else
106 *     ... alternative code which doesn't use apr_table_overlap()
107 * #endif
108 * </pre>
109 * @param major The major module magic number
110 * @param minor The minor module magic number
111 * @deffunc AP_MODULE_MAGIC_AT_LEAST(int major, int minor)
112 }
113{#define AP_MODULE_MAGIC_AT_LEAST(major,minor)		\
114    ((major) < MODULE_MAGIC_NUMBER_MAJOR 		\
115	|| ((major) == MODULE_MAGIC_NUMBER_MAJOR 	\
116	    && (minor) <= MODULE_MAGIC_NUMBER_MINOR))}
117
118{ @deprecated present for backwards compatibility }
119  MODULE_MAGIC_NUMBER = MODULE_MAGIC_NUMBER_MAJOR;
120//#define MODULE_MAGIC_AT_LEAST old_broken_macro_we_hope_you_are_not_using
121
122