Merge branch 'ds/midx-expire-repack'
[git/git.git] / compat / gmtime.c
CommitLineData
66547547
JK
1#include "../git-compat-util.h"
2#undef gmtime
3#undef gmtime_r
4
5struct tm *git_gmtime(const time_t *timep)
6{
7 static struct tm result;
8 return git_gmtime_r(timep, &result);
9}
10
11struct tm *git_gmtime_r(const time_t *timep, struct tm *result)
12{
13 struct tm *ret;
14
15 memset(result, 0, sizeof(*result));
16 ret = gmtime_r(timep, result);
17
18 /*
19 * Rather than NULL, FreeBSD gmtime simply leaves the "struct tm"
20 * untouched when it encounters overflow. Since "mday" cannot otherwise
21 * be zero, we can test this very quickly.
22 */
23 if (ret && !ret->tm_mday) {
24 ret = NULL;
25 errno = EOVERFLOW;
26 }
27
28 return ret;
29}