ap_mmn.h revision 3fde4c273ea649d1320ec9c51e7d096cd9340a94
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#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
*/
#define MODULE_MAGIC_COOKIE 0x41503230UL /* "AP20" */
#ifndef MODULE_MAGIC_NUMBER_MAJOR
#define MODULE_MAGIC_NUMBER_MAJOR 20020114
#endif
#define MODULE_MAGIC_NUMBER_MINOR 0 /* 0...n */
#define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR /* backward compat */
/**
* 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 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 MODULE_MAGIC_AT_LEAST(int major, int minor)
*/
#define MODULE_MAGIC_AT_LEAST(major,minor) \
((major) > MODULE_MAGIC_NUMBER_MAJOR \
|| ((major) == MODULE_MAGIC_NUMBER_MAJOR \
&& (minor) >= MODULE_MAGIC_NUMBER_MINOR))
#endif /* !APACHE_AP_MMN_H */