Ensure incoming timespec values correctly wrap at nsecs.

[metze/samba/wip.git] / lib / util / time.c

diff --git a/lib/util/time.c b/lib/util/time.c
index ed3b4f8e301c7c09021ce677cd3fe5395ba48baa..6fbeb9749a1592d120fcad813627fed09dcf8228 100644 (file)
--- a/lib/util/time.c
+++ b/lib/util/time.c
@@ -91,8 +91,15 @@ _PUBLIC_ time_t time_mono(time_t *t)
 
 time_t convert_timespec_to_time_t(struct timespec ts)
 {
+       /* Ensure tv_nsec is less than 1sec. */
+       while (ts.tv_nsec > 1000000000) {
+               ts.tv_sec += 1;
+               ts.tv_nsec -= 1000000000;
+       }
+
        /* 1 ns == 1,000,000,000 - one thousand millionths of a second.
           increment if it's greater than 500 millionth of a second. */
+
        if (ts.tv_nsec > 500000000) {
                return ts.tv_sec + 1;
        }