X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=time.c;h=83231c895020245d72cea40cd34cae03e9951a29;hp=49b941bb004b959367a1d319dae7cead37d312df;hb=734073dbcac97e8ef6a9c5b3244b953a01358bc9;hpb=bf2430160b2704e97a3ff1774d689b4b85e94eb5

diff --git a/time.c b/time.c
index 49b941bb..83231c89 100644
--- a/time.c
+++ b/time.c
@@ -113,7 +113,13 @@ void tv_scale(const unsigned long mult, const struct timeval *tv,
 void tv_divide(const unsigned long divisor, const struct timeval *tv,
 	struct timeval *result)
 {
-	long unsigned q = tv->tv_usec / divisor;
+	long unsigned q;
+
+	if (!divisor) {
+		PARA_EMERG_LOG("%s\n", "division by zero");
+		exit(EXIT_FAILURE);
+	}
+	q = tv->tv_usec / divisor;
 	result->tv_sec = tv->tv_sec / divisor;
 	result->tv_usec = (tv->tv_sec - result->tv_sec * divisor)
 		* 1000 * 1000 / divisor;