sz = snprintf(time_string, sizeof(time_string), "%lu.%06lu",
(unsigned long)TV2.tv_sec - TV1.tv_sec,
(unsigned long)TV2.tv_usec - TV1.tv_usec);
- assert(sz>=0 && sz<sizeof(time_string));
+ assert(sz>=0 && (size_t)sz<sizeof(time_string));
return time_string;
}