ObjFW  Diff

		return 4;
	}

	return 0;
}

size_t
of_string_utf16_length(const of_char16_t *string)
{
	size_t length = 0;

	while (*string++ != 0)
		length++;

	return length;
}

size_t
of_string_utf32_length(const of_char32_t *string)
{
	size_t length = 0;

	while (*string++ != 0)
		length++;

	return length;

- (instancetype)initWithCharacters: (const OFUnichar *)string
			    length: (size_t)length
{
	return (id)[[OFUTF8String alloc] initWithCharacters: string
						     length: length];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
{
	return (id)[[OFUTF8String alloc] initWithUTF16String: string];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			     length: (size_t)length
{
	return (id)[[OFUTF8String alloc] initWithUTF16String: string
						      length: length];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			  byteOrder: (OFByteOrder)byteOrder
{
	return (id)[[OFUTF8String alloc] initWithUTF16String: string
						   byteOrder: byteOrder];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			     length: (size_t)length
			  byteOrder: (OFByteOrder)byteOrder
{
	return (id)[[OFUTF8String alloc] initWithUTF16String: string
						      length: length
						   byteOrder: byteOrder];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
{
	return (id)[[OFUTF8String alloc] initWithUTF32String: string];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			     length: (size_t)length
{
	return (id)[[OFUTF8String alloc] initWithUTF32String: string
						      length: length];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			  byteOrder: (OFByteOrder)byteOrder
{
	return (id)[[OFUTF8String alloc] initWithUTF32String: string
						   byteOrder: byteOrder];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			     length: (size_t)length
			  byteOrder: (OFByteOrder)byteOrder
{
	return (id)[[OFUTF8String alloc] initWithUTF32String: string
						      length: length
						   byteOrder: byteOrder];
}

+ (instancetype)stringWithCharacters: (const OFUnichar *)string
			      length: (size_t)length
{
	return [[[self alloc] initWithCharacters: string
					  length: length] autorelease];
}

+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
{
	return [[[self alloc] initWithUTF16String: string] autorelease];
}

+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
			       length: (size_t)length
{
	return [[[self alloc] initWithUTF16String: string
					   length: length] autorelease];
}

+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
			    byteOrder: (OFByteOrder)byteOrder
{
	return [[[self alloc] initWithUTF16String: string
					byteOrder: byteOrder] autorelease];
}

+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
			       length: (size_t)length
			    byteOrder: (OFByteOrder)byteOrder
{
	return [[[self alloc] initWithUTF16String: string
					   length: length
					byteOrder: byteOrder] autorelease];
}

+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
{
	return [[[self alloc] initWithUTF32String: string] autorelease];
}

+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
			       length: (size_t)length
{
	return [[[self alloc] initWithUTF32String: string
					   length: length] autorelease];
}

+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
			    byteOrder: (OFByteOrder)byteOrder
{
	return [[[self alloc] initWithUTF32String: string
					byteOrder: byteOrder] autorelease];
}

+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
			       length: (size_t)length
			    byteOrder: (OFByteOrder)byteOrder
{
	return [[[self alloc] initWithUTF32String: string
					   length: length
					byteOrder: byteOrder] autorelease];
}

- (instancetype)initWithCharacters: (const OFUnichar *)string
			    length: (size_t)length
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
{
	return [self initWithUTF16String: string
				  length: of_string_utf16_length(string)
			       byteOrder: OFByteOrderNative];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			     length: (size_t)length
{
	return [self initWithUTF16String: string
				  length: length
			       byteOrder: OFByteOrderNative];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			  byteOrder: (OFByteOrder)byteOrder
{
	return [self initWithUTF16String: string
				  length: of_string_utf16_length(string)
			       byteOrder: byteOrder];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			     length: (size_t)length
			  byteOrder: (OFByteOrder)byteOrder
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
{
	return [self initWithUTF32String: string
				  length: of_string_utf32_length(string)
			       byteOrder: OFByteOrderNative];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			     length: (size_t)length
{
	return [self initWithUTF32String: string
				  length: length
			       byteOrder: OFByteOrderNative];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			  byteOrder: (OFByteOrder)byteOrder
{
	return [self initWithUTF32String: string
				  length: of_string_utf32_length(string)
			       byteOrder: byteOrder];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			     length: (size_t)length
			  byteOrder: (OFByteOrder)byteOrder
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithFormat: (OFConstantString *)format, ...

				       freeWhenDone: true] items];
	} @catch (id e) {
		free(buffer);
		@throw e;
	}
}

- (const of_char16_t *)UTF16String
{
	return [self UTF16StringWithByteOrder: OFByteOrderNative];
}

- (const of_char16_t *)UTF16StringWithByteOrder: (OFByteOrder)byteOrder
{
	void *pool = objc_autoreleasePoolPush();
	const OFUnichar *characters = self.characters;
	size_t length = self.length;
	of_char16_t *buffer;
	size_t j;
	bool swap = (byteOrder != OFByteOrderNative);

	/* Allocate memory for the worst case */
	buffer = of_alloc((length + 1) * 2, sizeof(of_char16_t));

	j = 0;
	for (size_t i = 0; i < length; i++) {
		OFUnichar c = characters[i];

		if (c > 0x10FFFF) {
			free(buffer);

			} else
				buffer[j++] = c;
		}
	}
	buffer[j] = 0;

	@try {
		buffer = of_realloc(buffer, j + 1, sizeof(of_char16_t));
	} @catch (OFOutOfMemoryException *e) {
		/* We don't care, as we only tried to make it smaller */
	}

	objc_autoreleasePoolPop(pool);

	@try {
		return [[OFData dataWithItemsNoCopy: buffer
					      count: j + 1
					   itemSize: sizeof(of_char16_t)
				       freeWhenDone: true] items];
	} @catch (id e) {
		free(buffer);
		@throw e;
	}
}

	for (size_t i = 0; i < length; i++)
		if (characters[i] > 0xFFFF)
			UTF16StringLength++;

	return UTF16StringLength;
}

- (const of_char32_t *)UTF32String
{
	return [self UTF32StringWithByteOrder: OFByteOrderNative];
}

- (const of_char32_t *)UTF32StringWithByteOrder: (OFByteOrder)byteOrder
{
	size_t length = self.length;
	of_char32_t *buffer;

	buffer = of_alloc(length + 1, sizeof(of_char32_t));
	@try {
		[self getCharacters: buffer inRange: OFMakeRange(0, length)];
		buffer[length] = 0;

		if (byteOrder != OFByteOrderNative)
			for (size_t i = 0; i < length; i++)
				buffer[i] = OF_BSWAP32(buffer[i]);

		return [[OFData dataWithItemsNoCopy: buffer
					      count: length + 1
					   itemSize: sizeof(of_char32_t)
				       freeWhenDone: true] items];
	} @catch (id e) {
		free(buffer);
		@throw e;
	}
}