diff options
Diffstat (limited to 'src/libstddjb/utc_from_tai.c')
| -rw-r--r-- | src/libstddjb/utc_from_tai.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstddjb/utc_from_tai.c b/src/libstddjb/utc_from_tai.c index f4d247e..80d2763 100644 --- a/src/libstddjb/utc_from_tai.c +++ b/src/libstddjb/utc_from_tai.c @@ -1,5 +1,6 @@ /* ISC license. */ +#include <errno.h> #include <skalibs/uint64.h> #include <skalibs/tai.h> #include <skalibs/djbtime.h> @@ -8,6 +9,7 @@ int utc_from_tai (uint64 *u, tai_t const *t) { uint64 tt = t->x - 10 ; + if (t->x < 10U) return (errno = EINVAL, 0) ; if (leapsecs_sub(&tt) < 0) return 0 ; *u = tt ; return 1 ; |