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55 #ifndef APACHE_AP_MMN_H
56 #define APACHE_AP_MMN_H
59 * @package Module Magic Number
63 * MODULE_MAGIC_NUMBER_MAJOR
64 * Major API changes that could cause compatibility problems for older modules
65 * such as structure size changes. No binary compatibility is possible across
66 * a change in the major version.
68 * MODULE_MAGIC_NUMBER_MINOR
69 * Minor API changes that do not cause binary compatibility problems.
70 * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR.
72 * See the MODULE_MAGIC_AT_LEAST macro below for an example.
76 * 20010224 (2.0.13-dev) MODULE_MAGIC_COOKIE reset to "AP20"
77 * 20010523 (2.0.19-dev) bump for scoreboard structure reordering
78 * 20010627 (2.0.19-dev) more API changes than I can count
79 * 20010726 (2.0.22-dev) more big API changes
80 * 20010808 (2.0.23-dev) dir d_is_absolute bit introduced, bucket changes, etc
81 * 20010825 (2.0.25-dev) removed d_is_absolute, introduced map_to_storage hook
82 * 20011002 (2.0.26-dev) removed 1.3-depreciated request_rec.content_language
83 * 20011127 (2.0.29-dev) bump for postconfig hook change, and removal of socket
84 * from connection record
85 * 20011212 (2.0.30-dev) bump for new used_path_info member of request_rec
86 * 20011218 (2.0.30-dev) bump for new sbh member of conn_rec, different
87 * declarations for scoreboard, new parameter to
88 * create_connection hook
89 * 20020102 (2.0.30-dev) bump for changed type of limit_req_body in
91 * 20020109 (2.0.31-dev) bump for changed shm and scoreboard declarations
92 * 20020111 (2.0.31-dev) bump for ETag fields added at end of cor_dir_config
93 * 20020114 (2.0.31-dev) mod_dav changed how it asks its provider to fulfill
95 * 20020118 (2.0.31-dev) Input filtering split of blocking and mode
96 * 20020127 (2.0.31-dev) bump for pre_mpm hook change
97 * 20020128 (2.0.31-dev) bump for pre_config hook change
98 * 20020218 (2.0.33-dev) bump for AddOutputFilterByType directive
99 * 20020220 (2.0.33-dev) bump for scoreboard.h structure change
100 * 20020302 (2.0.33-dev) bump for protocol_filter additions.
101 * 20020306 (2.0.34-dev) bump for filter type renames.
102 * 20020318 (2.0.34-dev) mod_dav's API for REPORT generation changed
103 * 20020319 (2.0.34-dev) M_INVALID changed, plus new M_* methods for RFC 3253
104 * 20020327 (2.0.35-dev) Add parameter to quick_handler hook
105 * 20020329 (2.0.35-dev) bump for addition of freelists to bucket API
106 * 20020329.1 (2.0.36) minor bump for new arg to opt fn ap_cgi_build_command
107 * 20020506 (2.0.37-dev) Removed r->boundary in request_rec.
108 * 20020529 (2.0.37-dev) Standardized the names of some apr_pool_*_set funcs
109 * 20020602 (2.0.37-dev) Bucket API change (metadata buckets)
110 * 20020612 (2.0.38-dev) Changed server_rec->[keep_alive_]timeout to apr time
111 * 20020625 (2.0.40-dev) Changed conn_rec->keepalive to an enumeration
112 * 20020628 (2.0.40-dev) Added filter_init to filter registration functions
113 * 20020903 (2.0.41-dev) APR's error constants changed
114 * 20020903.1 (2.1.0-dev) allow_encoded_slashes added to core_dir_config
115 * 20020903.2 (2.0.46-dev) add ap_escape_logitem
116 * 20030213.1 (2.1.0-dev) changed log_writer optional fn's to return previous
118 * 20030821 (2.1.0-dev) bumped mod_include's entire API
119 * 20030821.1 (2.1.0-dev) added XHTML doctypes
122 #define MODULE_MAGIC_COOKIE 0x41503230UL /* "AP20" */
124 #ifndef MODULE_MAGIC_NUMBER_MAJOR
125 #define MODULE_MAGIC_NUMBER_MAJOR 20030821
127 #define MODULE_MAGIC_NUMBER_MINOR 1 /* 0...n */
130 * Determine if the server's current MODULE_MAGIC_NUMBER is at least a
133 * Useful for testing for features.
134 * For example, suppose you wish to use the apr_table_overlap
135 * function. You can do this:
137 * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2)
138 * ... use apr_table_overlap()
140 * ... alternative code which doesn't use apr_table_overlap()
143 * @param major The major module magic number
144 * @param minor The minor module magic number
145 * @deffunc AP_MODULE_MAGIC_AT_LEAST(int major, int minor)
147 #define AP_MODULE_MAGIC_AT_LEAST(major,minor) \
148 ((major) < MODULE_MAGIC_NUMBER_MAJOR \
149 || ((major) == MODULE_MAGIC_NUMBER_MAJOR \
150 && (minor) <= MODULE_MAGIC_NUMBER_MINOR))
152 /** @deprecated present for backwards compatibility */
153 #define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR
154 #define MODULE_MAGIC_AT_LEAST old_broken_macro_we_hope_you_are_not_using
156 #endif /* !APACHE_AP_MMN_H */