ObjFW  Check-in [2ba9aa1fd6]

	    rangeOfString: @"!"
		  options: OFStringSearchBackwards].location;

	if (pos == OFNotFound)
		@throw [OFInvalidArgumentException exception];

	archiveIRI = [OFIRI IRIWithString:
	    [percentEncodedPath substringWithRange: OFMakeRange(0, pos)]
	    [percentEncodedPath substringToIndex: pos]
	    .stringByRemovingPercentEncoding];
	path = [percentEncodedPath substringWithRange:
	path = [percentEncodedPath substringFromIndex: pos + 1]
	    OFMakeRange(pos + 1, percentEncodedPath.length - pos - 1)]
	    .stringByRemovingPercentEncoding;

	if ([scheme isEqual: @"lha"]) {
		OFLHAArchive *archive = [OFLHAArchive archiveWithIRI: archiveIRI
								mode: mode];
		OFLHAArchiveEntry *entry;

	void *pool = objc_autoreleasePoolPush();
	OFString *oldFileName = _fileName, *oldDirectoryName = _directoryName;
	size_t lastSlash;

	lastSlash = [fileName rangeOfString: @"/"
				    options: OFStringSearchBackwards].location;
	if (lastSlash != OFNotFound) {
		_fileName = [[fileName substringWithRange: OFMakeRange(
		_fileName = [[fileName substringFromIndex: lastSlash + 1] copy];
		    lastSlash + 1, fileName.length - lastSlash - 1)] copy];
		[oldFileName release];

		_directoryName = [[fileName substringWithRange:
		_directoryName = [[fileName substringToIndex: lastSlash] copy];
		    OFMakeRange(0, lastSlash)] copy];
		[oldDirectoryName release];
	} else {
		_fileName = [fileName copy];
		[oldFileName release];

		[_directoryName release];
		_directoryName = nil;

	OFSocketAddress address;
	const struct sockaddr_in *addrIn;
	uint32_t addr;

	if (lastColon == OFNotFound)
		@throw [OFInvalidFormatException exception];

	IPv4 = [IPv6 substringWithRange:
	IPv4 = [IPv6 substringFromIndex: lastColon + 1];
	    OFMakeRange(lastColon + 1, IPv6.length - lastColon - 1)];
	IPv6 = [IPv6 substringWithRange: OFMakeRange(0, lastColon + 1)];
	IPv6 = [IPv6 substringToIndex: lastColon + 1];

	address = OFSocketAddressParseIPv4(IPv4, 0);
	addrIn = &address.sockaddr.in;
	addr = OFFromBigEndian32(addrIn->sin_addr.s_addr);

	return [IPv6 stringByAppendingString:
	    [OFString stringWithFormat: @"%x%02x:%x%02x",