/**
* 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;