-#ifdef LOCALTIME_EDGECASE_BROKEN
-static struct tm *S_my_localtime (pTHX_ Time_t *tp)
-{
- auto time_t T;
- auto struct tm *P;
-
- /* No workarounds in the valid range */
- if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000)
- return (localtime (tp));
-
- /* This edge case is to workaround the undefined behaviour, where the
- * TIMEZONE makes the time go beyond the defined range.
- * gmtime (0x7fffffff) => 2038-01-19 03:14:07
- * If there is a negative offset in TZ, like MET-1METDST, some broken
- * implementations of localtime () (like AIX 5.2) barf with bogus
- * return values:
- * 0x7fffffff gmtime 2038-01-19 03:14:07
- * 0x7fffffff localtime 1901-12-13 21:45:51
- * 0x7fffffff mylocaltime 2038-01-19 04:14:07
- * 0x3c19137f gmtime 2001-12-13 20:45:51
- * 0x3c19137f localtime 2001-12-13 21:45:51
- * 0x3c19137f mylocaltime 2001-12-13 21:45:51
- * Given that legal timezones are typically between GMT-12 and GMT+12
- * we turn back the clock 23 hours before calling the localtime
- * function, and add those to the return value. This will never cause
- * day wrapping problems, since the edge case is Tue Jan *19*
- */
- T = *tp - 82800; /* 23 hour. allows up to GMT-23 */
- P = localtime (&T);
- P->tm_hour += 23;
- if (P->tm_hour >= 24) {
- P->tm_hour -= 24;
- P->tm_mday++; /* 18 -> 19 */
- P->tm_wday++; /* Mon -> Tue */
- P->tm_yday++; /* 18 -> 19 */
- }
- return (P);
-} /* S_my_localtime */
-#endif
-