ObjFW  Diff

	31 + 28 + 31 + 30 + 31 + 30,
	31 + 28 + 31 + 30 + 31 + 30 + 31,
	31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,
	31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
	31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
	31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
};

static double
tmAndTzToTime(struct tm *tm, int16_t *tz)
{
	double seconds;

	/* Years */
	seconds = (int64_t)(tm->tm_year - 70) * 31536000;
	/* Days of leap years, excluding the year to look at */
	seconds += (((tm->tm_year + 1899) / 4) - 492) * 86400;
	seconds -= (((tm->tm_year + 1899) / 100) - 19) * 86400;
	seconds += (((tm->tm_year + 1899) / 400) - 4) * 86400;
	/* Leap day */
	if (tm->tm_mon >= 2 && (((tm->tm_year + 1900) % 4 == 0 &&
	    (tm->tm_year + 1900) % 100 != 0) ||
	    (tm->tm_year + 1900) % 400 == 0))
		seconds += 86400;
	/* Months */
	if (tm->tm_mon < 0 || tm->tm_mon > 12)
		@throw [OFInvalidFormatException exception];
	seconds += monthToDayOfYear[tm->tm_mon] * 86400;
	/* Days */
	seconds += (tm->tm_mday - 1) * 86400;
	/* Hours */
	seconds += tm->tm_hour * 3600;
	/* Minutes */
	seconds += tm->tm_min * 60;
	/* Seconds */
	seconds += tm->tm_sec;
	/* Time zone */
	seconds += -(float)*tz * 60;

	return seconds;
}

@implementation OFDate
#if (!defined(HAVE_GMTIME_R) || !defined(HAVE_LOCALTIME_R)) && \
    defined(OF_HAVE_THREADS)
+ (void)initialize
{
	if (self == [OFDate class])

- initWithDateString: (OFString*)string
	      format: (OFString*)format
{
	self = [super init];

	@try {
		struct tm tm = { 0 };
		int16_t tz = 0;

		tm.tm_isdst = -1;

		if (of_strptime([string UTF8String], [format UTF8String],
		    &tm) == NULL)
		    &tm, &tz) == NULL)
			@throw [OFInvalidFormatException exception];

		/* Years */
		_seconds = (int64_t)(tm.tm_year - 70) * 31536000;
		/* Days of leap years, excluding the year to look at */
		_seconds += (((tm.tm_year + 1899) / 4) - 492) * 86400;
		_seconds -= (((tm.tm_year + 1899) / 100) - 19) * 86400;
		_seconds += (((tm.tm_year + 1899) / 400) - 4) * 86400;
		/* Leap day */
		if (tm.tm_mon >= 2 && (((tm.tm_year + 1900) % 4 == 0 &&
		    (tm.tm_year + 1900) % 100 != 0) ||
		    (tm.tm_year + 1900) % 400 == 0))
			_seconds += 86400;
		_seconds = tmAndTzToTime(&tm, &tz);
		/* Months */
		if (tm.tm_mon < 0 || tm.tm_mon > 12)
			@throw [OFInvalidFormatException exception];
		_seconds += monthToDayOfYear[tm.tm_mon] * 86400;
		/* Days */
		_seconds += (tm.tm_mday - 1) * 86400;
		/* Hours */
		_seconds += tm.tm_hour * 3600;
		/* Minutes */
		_seconds += tm.tm_min * 60;
		/* Seconds */
		_seconds += tm.tm_sec;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithLocalDateString: (OFString*)string
		   format: (OFString*)format
{
	self = [super init];

	@try {
		struct tm tm = { 0 };
		/*
		 * of_strptime() can never set this to INT16_MAX, no matter
		 * what is passed to it, so this is a safe way to figure out if
		 * the date contains a time zone.
		 */
		int16_t tz = INT16_MAX;

		tm.tm_isdst = -1;

		if (of_strptime([string UTF8String], [format UTF8String],
		    &tm) == NULL)
		    &tm, &tz) == NULL)
			@throw [OFInvalidFormatException exception];

		if (tz == INT16_MAX) {
#ifndef OF_WINDOWS
		if ((_seconds = mktime(&tm)) == -1)
			@throw [OFInvalidFormatException exception];
			if ((_seconds = mktime(&tm)) == -1)
				@throw [OFInvalidFormatException exception];
#else
		if ((_seconds = _mktime64(&tm)) == -1)
			@throw [OFInvalidFormatException exception];
			if ((_seconds = _mktime64(&tm)) == -1)
				@throw [OFInvalidFormatException exception];
#endif
		} else
			_seconds = tmAndTzToTime(&tm, &tz);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}