compat/gmtime.c

   1 #include "../git-compat-util.h"
   2 #undef gmtime
   3 #undef gmtime_r
   4
   5 struct tm *git_gmtime(const time_t *timep)
   6 {
   7         static struct tm result;
   8         return git_gmtime_r(timep, &result);
   9 }
  10
  11 struct 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 }