Clarify pool lifetime constraints when modifying ap_server_config_defines.

PR: 63516

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1861672 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/include/http_main.h b/include/http_main.h
index fa1ce85216d54bfa0ca4a8df7790dd6e29966484..65f7eb6b682f8ef1c9d3a9b994f7e9e7c7b8abab 100644 (file)
--- a/include/http_main.h
+++ b/include/http_main.h
@@ -66,8 +66,10 @@ AP_DECLARE_DATA extern apr_array_header_t *ap_server_pre_read_config;
 /** An array of all -c directives.  These are processed after the server's
  *  config file */
 AP_DECLARE_DATA extern apr_array_header_t *ap_server_post_read_config;
-/** An array of all -D defines on the command line.  This allows people to
- *  effect the server based on command line options */
+/** An array of all -D defines on the command line.  This allows users
+ *  to effect the server based on command line options.  A module
+ *  which adds to this array must allocate the new element value from
+ *  same pool as the array (->pool in the array header).  */
 AP_DECLARE_DATA extern apr_array_header_t *ap_server_config_defines;
 /** Available integer for using the -T switch */
 AP_DECLARE_DATA extern int ap_document_root_check;