Function _tzset

js/sql-debug.js:5076–5103

()

  var _daylight=STATICTOP; STATICTOP += 16;;
  
  var _timezone=STATICTOP; STATICTOP += 16;;function _tzset() {
      // TODO: Use (malleable) environment variables instead of system settings.
      if (_tzset.called) return;
      _tzset.called = true;
  
      HEAP32[((_timezone)>>2)]=-(new Date()).getTimezoneOffset() * 60;
  
      var winter = new Date(2000, 0, 1);
      var summer = new Date(2000, 6, 1);
      HEAP32[((_daylight)>>2)]=Number(winter.getTimezoneOffset() != summer.getTimezoneOffset());
  
      function extractZone(date) {
        var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
        return match ? match[1] : "GMT";
      };
      var winterName = extractZone(winter);
      var summerName = extractZone(summer);
      var winterNamePtr = allocate(intArrayFromString(winterName), 'i8', ALLOC_NORMAL);
      var summerNamePtr = allocate(intArrayFromString(summerName), 'i8', ALLOC_NORMAL);
      if (summer.getTimezoneOffset() < winter.getTimezoneOffset()) {
        // Northern hemisphere
        HEAP32[((_tzname)>>2)]=winterNamePtr;
        HEAP32[(((_tzname)+(4))>>2)]=summerNamePtr;
      } else {
        HEAP32[((_tzname)>>2)]=summerNamePtr;
        HEAP32[(((_tzname)+(4))>>2)]=winterNamePtr;
      }
    }function _localtime_r(time, tmPtr) {
      _tzset();
      var date = new Date(HEAP32[((time)>>2)]*1000);
      HEAP32[((tmPtr)>>2)]=date.getSeconds();