ObjFW  Diff

		/*
		 * We need one extra byte for the terminating zero if we want
		 * to use -[initWithUTF8StringNoCopy:length:freeWhenDone:].
		 */
		if (SIZE_MAX - (size_t)fileSize < 1)
			@throw [OFOutOfRangeException exception];

		tmp = of_malloc((size_t)fileSize + 1, 1);
		@try {
			file = [[OFFile alloc] initWithPath: path
						       mode: @"r"];

			[file readIntoBuffer: tmp
				 exactLength: (size_t)fileSize];
		} @catch (id e) {

{
	size_t length = self.length;
	char *cString;
	size_t cStringLength;

	switch (encoding) {
	case OF_STRING_ENCODING_UTF_8:
		cString = of_malloc((length * 4) + 1, 1);

		@try {
			cStringLength = [self
			    of_getCString: cString
				maxLength: (length * 4) + 1
				 encoding: OF_STRING_ENCODING_UTF_8
				    lossy: lossy];

	case OF_STRING_ENCODING_WINDOWS_1252:
	case OF_STRING_ENCODING_CODEPAGE_437:
	case OF_STRING_ENCODING_CODEPAGE_850:
	case OF_STRING_ENCODING_CODEPAGE_858:
	case OF_STRING_ENCODING_MAC_ROMAN:
	case OF_STRING_ENCODING_KOI8_R:
	case OF_STRING_ENCODING_KOI8_U:
		cString = of_malloc(length + 1, 1);

		@try {
			cStringLength = [self of_getCString: cString
						  maxLength: length + 1
						   encoding: encoding
						      lossy: lossy];
		} @catch (id e) {

	if (range.length > SIZE_MAX / sizeof(of_unichar_t))
		@throw [OFOutOfRangeException exception];

	pool = objc_autoreleasePoolPush();

	searchCharacters = string.characters;

	characters = of_malloc(range.length, sizeof(of_unichar_t));
	@try {
		[self getCharacters: characters
			    inRange: range];

		if (options & OF_STRING_SEARCH_BACKWARDS) {
			for (size_t i = range.length - searchLength;; i--) {
				if (memcmp(characters + i, searchCharacters,

	if (range.length == 0)
		return OF_NOT_FOUND;

	if (range.length > SIZE_MAX / sizeof(of_unichar_t))
		@throw [OFOutOfRangeException exception];

	characters = of_malloc(range.length, sizeof(of_unichar_t));
	@try {
		[self getCharacters: characters
			    inRange: range];

		if (options & OF_STRING_SEARCH_BACKWARDS) {
			for (size_t i = range.length - 1;; i--) {
				if (characterIsMember(characterSet,

	of_unichar_t *tmp;
	size_t prefixLength;
	bool hasPrefix;

	if ((prefixLength = prefix.length) > self.length)
		return false;

	tmp = of_malloc(prefixLength, sizeof(of_unichar_t));
	@try {
		void *pool = objc_autoreleasePoolPush();

		[self getCharacters: tmp
			    inRange: of_range(0, prefixLength)];

		hasPrefix = (memcmp(tmp, prefix.characters,

	bool hasSuffix;

	if ((suffixLength = suffix.length) > self.length)
		return false;

	length = self.length;

	tmp = of_malloc(suffixLength, sizeof(of_unichar_t));
	@try {
		void *pool = objc_autoreleasePoolPush();

		[self getCharacters: tmp
			    inRange: of_range(length - suffixLength,
					 suffixLength)];

}

- (const of_unichar_t *)characters
{
	size_t length = self.length;
	of_unichar_t *buffer;

	buffer = of_malloc(length, sizeof(of_unichar_t));
	@try {
		[self getCharacters: buffer
			    inRange: of_range(0, length)];

		return [[OFData dataWithItemsNoCopy: buffer
					      count: length
					   itemSize: sizeof(of_unichar_t)

	const of_unichar_t *characters = self.characters;
	size_t length = self.length;
	of_char16_t *buffer;
	size_t j;
	bool swap = (byteOrder != OF_BYTE_ORDER_NATIVE);

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

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

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

}

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

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

		if (byteOrder != OF_BYTE_ORDER_NATIVE)
			for (size_t i = 0; i < length; i++)