ObjFW  Diff

	of_unichar_t *characters;
	size_t searchLength;

	if ((searchLength = string.length) == 0)
		return OFMakeRange(0, 0);

	if (searchLength > range.length)
		return OFMakeRange(OF_NOT_FOUND, 0);
		return OFMakeRange(OFNotFound, 0);

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

	pool = objc_autoreleasePoolPush();

	searchCharacters = string.characters;

		}
	} @finally {
		free(characters);
	}

	objc_autoreleasePoolPop(pool);

	return OFMakeRange(OF_NOT_FOUND, 0);
	return OFMakeRange(OFNotFound, 0);
}

- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
{
	return [self indexOfCharacterFromSet: characterSet
				     options: 0
				       range: OFMakeRange(0, self.length)];

{
	bool (*characterIsMember)(id, SEL, of_unichar_t) =
	    (bool (*)(id, SEL, of_unichar_t))[characterSet
	    methodForSelector: @selector(characterIsMember:)];
	of_unichar_t *characters;

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

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

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

				    characters[i]))
					return range.location + i;
		}
	} @finally {
		free(characters);
	}

	return OF_NOT_FOUND;
	return OFNotFound;
}

- (bool)containsString: (OFString *)string
{
	void *pool;
	const of_unichar_t *characters, *searchCharacters;
	size_t length, searchLength;