ObjFW  Diff

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

	@try {
		const char *UTF8String = [string UTF8String];
		struct tm tm = { 0 };
		int16_t tz = 0;

		tm.tm_isdst = -1;

		if (of_strptime(UTF8String, [format UTF8String],
		    &tm, &tz) != UTF8String + [string UTF8StringLength])
			@throw [OFInvalidFormatException exception];

		_seconds = tmAndTzToTime(&tm, &tz);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

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

	@try {
		const char *UTF8String = [string UTF8String];
		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(UTF8String, [format UTF8String],
		    &tm, &tz) != UTF8String + [string UTF8StringLength])
			@throw [OFInvalidFormatException exception];

		if (tz == INT16_MAX) {
#ifndef OF_WINDOWS
			if ((_seconds = mktime(&tm)) == -1)
				@throw [OFInvalidFormatException exception];
#else

	@try {
		void *pool = objc_autoreleasePoolPush();
		union {
			double d;
			uint64_t u;
		} d;

		if (![[element name] isEqual: [self className]] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS])
			@throw [OFInvalidArgumentException exception];

		d.u = OF_BSWAP64_IF_LE((uint64_t)[element hexadecimalValue]);
		_seconds = OF_BSWAP_DOUBLE_IF_LE(d.d);

		objc_autoreleasePoolPop(pool);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	void *pool = objc_autoreleasePoolPush();
	OFXMLElement *element;
	union {
		double d;
		uint64_t u;
	} d;

	element = [OFXMLElement elementWithName: [self className]
				      namespace: OF_SERIALIZATION_NS];

	d.d = OF_BSWAP_DOUBLE_IF_LE(_seconds);
	[element setStringValue:
	    [OFString stringWithFormat: @"%016" PRIx64, OF_BSWAP64_IF_LE(d.u)]];

	[element retain];

	objc_autoreleasePoolPop(pool);

	return [element autorelease];
}

#endif

	pageSize = [OFSystemInfo pageSize];
	buffer = [self allocMemoryWithSize: pageSize];

	@try {
#ifndef OF_WINDOWS
		if (strftime(buffer, pageSize, [format UTF8String], &tm) == 0)
			@throw [OFOutOfRangeException exception];

		ret = [OFString stringWithUTF8String: buffer];
#else
		if (wcsftime(buffer, pageSize / sizeof(wchar_t),
		    [format UTF16String], &tm) == 0)
			@throw [OFOutOfRangeException exception];

		ret = [OFString stringWithUTF16String: buffer];
#endif
	} @finally {
		[self freeMemory: buffer];
	}

#endif

	pageSize = [OFSystemInfo pageSize];
	buffer = [self allocMemoryWithSize: pageSize];

	@try {
#ifndef OF_WINDOWS
		if (strftime(buffer, pageSize, [format UTF8String], &tm) == 0)
			@throw [OFOutOfRangeException exception];

		ret = [OFString stringWithUTF8String: buffer];
#else
		if (wcsftime(buffer, pageSize / sizeof(wchar_t),
		    [format UTF16String], &tm) == 0)
			@throw [OFOutOfRangeException exception];

		ret = [OFString stringWithUTF16String: buffer];
#endif
	} @finally {
		[self freeMemory: buffer];
	}