Function fxDateSplit

xs/sources/xsDate.c:1488–1556

}

void fxDateSplit(txNumber value, txBoolean utc, txDateTime* dt)
{
	txInteger date, time, year, leap, month;
	const txInteger* monthsDays;
	date = (txInteger)c_trunc(value / mxDayMilliseconds);
	time = (txInteger)c_fmod(value, mxDayMilliseconds);
	if (time < 0) {
		date--;
		time += (txInteger)mxDayMilliseconds;
	}
	dt->offset = 0;
	dt->day = (date + 4) % 7;
	if (dt->day < 0)
		dt->day += 7;	
	dt->milliseconds = time % 1000;
	time /= 1000;
	dt->seconds = time % 60;
	time /= 60;
	dt->minutes = time % 60;
	time /= 60;
	dt->hours = time;
    date += mxYearDays(1970 + mxYearsOffset);
    year = 400 * (date / mx400YearsDays);
	date %= mx400YearsDays;
	date--;
	year += 100 * (date / mx100YearsDays);
	date %= mx100YearsDays;
	date++;
	year += 4 * (date / mx4YearsDays);
	date %= mx4YearsDays;
	date--;
	year += date / mx1YearDays;
  	date %= mx1YearDays;
	year -= mxYearsOffset;
	leap = mxIsLeapYear(year);
  	date += leap;
  	monthsDays = leap ? gxLeapYearMonthsDays : gxCommonYearMonthsDays;
  	for (month = 0; month < 11;	month++) {
  		if (date < monthsDays[month + 1])
  			break;
  	}
    date -= monthsDays[month];
	dt->date = date + 1;
	dt->month = month;
	dt->year = year;
	if (!utc) {
		txNumber former = value;
		txInteger similar;
		c_time_t time;
		c_tm tm;
		similar = fxDateSimilarYear(year);
		if (similar != year) {
			dt->year = similar;
			value = fxDateMerge(dt, 1);
		}
		time = (txInteger)c_floor(value / 1000.0);
		tm = *c_localtime(&time);
		dt->milliseconds = c_floor(c_fmod(value, 1000.0));