+int time_to_rfc1123 (time_t t, char *buffer, size_t buffer_size) /* {{{ */
+{
+ struct tm tm_tmp;
+ size_t status;
+
+ /* RFC 1123 *requires* the time to be GMT and the "GMT" timezone string.
+ * Apache will ignore the timezone if "localtime_r" and "%z" is used,
+ * resulting in weird behavior. */
+ if (gmtime_r (&t, &tm_tmp) == NULL)
+ return (errno);
+
+ status = strftime (buffer, buffer_size, "%a, %d %b %Y %T GMT", &tm_tmp);
+ if (status == 0)
+ return (errno);
+
+ return (0);
+} /* }}} int time_to_rfc1123 */
+