avconv.c:4342: error: Null Dereference
  pointer `today` last assigned on line 4340 could be null and is dereferenced at line 4342, column 69.

avconv.c:4336:1: start of procedure opt_vstats()
4334. }
4335. 
4336. static int opt_vstats(const char *opt, const char *arg)
      ^
4337. {
4338.     char filename[40];

avconv.c:4339:5: 
4337. {
4338.     char filename[40];
4339.     time_t today2 = time(NULL);
          ^
4340.     struct tm *today = localtime(&today2);
4341. 

avconv.c:4340:5: 
4338.     char filename[40];
4339.     time_t today2 = time(NULL);
4340.     struct tm *today = localtime(&today2);
          ^
4341. 
4342.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,

avconv.c:4342:5: 
4340.     struct tm *today = localtime(&today2);
4341. 
4342.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
          ^
4343.              today->tm_sec);
4344.     return opt_vstats_file(opt, filename);
