X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=time.c;h=83231c895020245d72cea40cd34cae03e9951a29;hp=d6e070809e527fba5437f59e0fe7976893432b9e;hb=60216e4058f4ecc24467df577e51cb2bd66508b0;hpb=8a8cd0f5bb40dcfad68608193e8c57decd90b25e

diff --git a/time.c b/time.c
index d6e07080..83231c89 100644
--- a/time.c
+++ b/time.c
@@ -106,14 +106,20 @@ void tv_scale(const unsigned long mult, const struct timeval *tv,
 /**
  * compute fraction of given struct timeval
  *
- * \param divider the integer value to divide by
+ * \param divisor the integer value to divide by
  * \param tv the timevalue to divide
  * \param result holds (1 / mult) * tv upon return
  */
 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;