static char part[512];
/* Get date & time */
time_t current_time = time(NULL);
+ if (current_time == (time_t) -1) {
+ return;
+ }
struct tm *current_tm = localtime(¤t_time);
+ if (current_tm == NULL) {
+ return;
+ }
(void)strftime(part, sizeof(part), format, current_tm);
printf("%s", part);
}