ObjFW  Diff

	new = [OFMutableString stringWithString: self];
	[new appendString: string];

	[new makeImmutable];

	return new;
}

- (OFString*)stringByAppendingPathComponent: (OFString*)component
{
	return [OFString stringWithPath: self, component, nil];
}

- (OFString*)stringByPrependingString: (OFString*)string
{
	OFMutableString *new = [[string mutableCopy] autorelease];

	[new appendString: self];

	const of_unichar_t *prefixString;
	size_t prefixLength;
	int compare;

	if ((prefixLength = [prefix length]) > [self length])
		return NO;


	tmp = [self allocMemoryWithItemSize: sizeof(of_unichar_t)
				      count: prefixLength];
	@try {
		OFAutoreleasePool *pool;

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

		pool = [[OFAutoreleasePool alloc] init];

	int compare;

	if ((suffixLength = [suffix length]) > [self length])
		return NO;

	length = [self length];


	tmp = [self allocMemoryWithItemSize: sizeof(of_unichar_t)
				      count: suffixLength];
	@try {
		OFAutoreleasePool *pool;

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

- (const of_unichar_t*)unicodeString
{
	OFObject *object = [[[OFObject alloc] init] autorelease];
	size_t length = [self length];
	of_unichar_t *ret;

	ret = [object allocMemoryWithItemSize: sizeof(of_unichar_t)
					count: length + 1];
	[self getCharacters: ret
		    inRange: of_range(0, length)];
	ret[length] = 0;

	return ret;
}

- (const uint16_t*)UTF16String
{
	OFObject *object = [[[OFObject alloc] init] autorelease];
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	const of_unichar_t *unicodeString = [self unicodeString];
	size_t length = [self length];
	uint16_t *ret;
	size_t i, j;

	/* Allocate memory for the worst case */
	ret = [object allocMemoryWithItemSize: sizeof(uint16_t)
					count: length * 2 + 1];

	j = 0;

	for (i = 0; i < length; i++) {
		of_unichar_t c = unicodeString[i];

		if (c > 0x10FFFF)

			ret[j++] = of_bswap16_if_le(c);
	}

	ret[j] = 0;

	@try {
		ret = [object resizeMemory: ret

				  itemSize: sizeof(uint16_t)
				     count: j + 1];
	} @catch (OFOutOfMemoryException *e) {
		/* We don't care, as we only tried to make it smaller */
	}

	[pool release];

	return ret;