|  line  | 
 true  | 
 false  | 
 branch  | 
 
| 
11
 | 
 1  | 
 0  | 
     if (val == NULL) return false;  | 
 
| 
13
 | 
 0  | 
 0  | 
     if (len < 1 || len > TZNAME_MAX) return false;  | 
 
| 
 | 
 0  | 
 0  | 
     if (len < 1 || len > TZNAME_MAX) return false;  | 
 
| 
56
 | 
 1  | 
 0  | 
     if (_from_env(tmp, "TZ") || _tz_lzname(tmp)) return string(tmp, strlen(tmp));  | 
 
| 
 | 
 1  | 
 0  | 
     if (_from_env(tmp, "TZ") || _tz_lzname(tmp)) return string(tmp, strlen(tmp));  | 
 
| 
 | 
 1  | 
 0  | 
     if (_from_env(tmp, "TZ") || _tz_lzname(tmp)) return string(tmp, strlen(tmp));  | 
 
| 
 | 
 1  | 
 0  | 
     if (_from_env(tmp, "TZ") || _tz_lzname(tmp)) return string(tmp, strlen(tmp));  | 
 
| 
 | 
 1  | 
 0  | 
     if (_from_env(tmp, "TZ") || _tz_lzname(tmp)) return string(tmp, strlen(tmp));  | 
 
| 
60
 | 
 26  | 
 0  | 
 }}  | 
 
| 
 | 
 26  | 
 0  | 
 }}  |