skalibs

Mirror/fork of https://skarnet.org/software/skalibs/
git clone https://ccx.te2000.cz/git/skalibs
Log | Files | Refs | README | LICENSE

ltm64_from_localtm.c (312B)

      1 /* ISC license. */
      2 
      3 #include <errno.h>
      4 #include <time.h>
      5 #include <skalibs/tai.h>
      6 #include <skalibs/djbtime.h>
      7 
      8 int ltm64_from_localtm (uint64_t *uu, struct tm const *l)
      9 {
     10   struct tm ll = *l ;
     11   time_t u = mktime(&ll) ;
     12   if (u == (time_t)-1) return (errno = EINVAL, 0) ;
     13   *uu = TAI_MAGIC + u ;
     14   return 1 ;
     15 }