| 1 | #define _GNU_SOURCE |
| 2 | #include "time32.h" |
| 3 | #include <time.h> |
| 4 | #include <errno.h> |
| 5 | #include <stdint.h> |
| 6 | |
| 7 | time32_t __time32gm(struct tm *tm) |
| 8 | { |
| 9 | 	time_t t = timegm(tm); |
| 10 | 	if (t < INT32_MIN || t > INT32_MAX) { |
| 11 | 		errno = EOVERFLOW; |
| 12 | 		return -1; |
| 13 | 	} |
| 14 | 	return t; |
| 15 | } |