- long unsigned q = tv->tv_usec / div;
- result->tv_sec = tv->tv_sec / div;
- result->tv_usec = (tv->tv_sec - result->tv_sec * div) * 1000 * 1000 / div;
+ 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;