diff options
Diffstat (limited to 'source/lib')
| -rw-r--r-- | source/lib/timegm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source/lib/timegm.c b/source/lib/timegm.c index 0e42a863d3f..dcc710b1ece 100644 --- a/source/lib/timegm.c +++ b/source/lib/timegm.c @@ -53,6 +53,16 @@ time_t timegm(struct tm *tm) time_t res = 0; unsigned i; + if (tm->tm_mon > 12 || + tm->tm_mon < 0 || + tm->tm_mday > 31 || + tm->tm_min > 60 || + tm->tm_sec > 60 || + tm->tm_hour > 24) { + /* invalid tm structure */ + return 0; + } + for (i = 70; i < tm->tm_year; ++i) res += is_leap(i) ? 366 : 365; |