- __tzset();
- __time_to_tm(*t - __timezone, result);
- result->tm_isdst = -1;
- return __dst_adjust(result);
+ __secs_to_zone(*t, 0, &tm->tm_isdst, &tm->__tm_gmtoff, 0, &tm->__tm_zone);
+ if (__secs_to_tm((long long)*t - tm->__tm_gmtoff, tm) < 0) {
+ errno = EINVAL;
+ return 0;
+ }
+ return tm;