ObjFW  Diff

		     length: extension.count - 1];
}

static void
parsePermissionsExtension(OFLHAArchiveEntry *entry, OFData *extension,
    OFStringEncoding encoding)
{
	uint16_t POSIXPermissions;

	if (extension.count != 3)
		@throw [OFInvalidFormatException exception];

	memcpy(&POSIXPermissions, (char *)extension.items + 1, 2);
	POSIXPermissions = OFFromLittleEndian16(POSIXPermissions);

	[entry->_POSIXPermissions release];
	entry->_POSIXPermissions = nil;

	entry->_POSIXPermissions =
	    [[OFNumber alloc] initWithUnsignedShort: POSIXPermissions];
}

static void
parseGIDUIDExtension(OFLHAArchiveEntry *entry, OFData *extension,
    OFStringEncoding encoding)
{
	uint16_t ownerAccountID, groupOwnerAccountID;

	if (extension.count != 5)
		@throw [OFInvalidFormatException exception];

	memcpy(&groupOwnerAccountID, (char *)extension.items + 1, 2);
	groupOwnerAccountID = OFFromLittleEndian16(groupOwnerAccountID);

	memcpy(&ownerAccountID, (char *)extension.items + 3, 2);
	ownerAccountID = OFFromLittleEndian16(ownerAccountID);

	[entry->_groupOwnerAccountID release];
	entry->_groupOwnerAccountID = nil;

	[entry->_ownerAccountID release];
	entry->_ownerAccountID = nil;

	entry->_groupOwnerAccountID =
	    [[OFNumber alloc] initWithUnsignedShort: groupOwnerAccountID];
	entry->_ownerAccountID =
	    [[OFNumber alloc] initWithUnsignedShort: ownerAccountID];
}

static void
parseGroupExtension(OFLHAArchiveEntry *entry, OFData *extension,
    OFStringEncoding encoding)
{
	[entry->_groupOwnerAccountName release];
	entry->_groupOwnerAccountName = nil;

	entry->_groupOwnerAccountName = [[OFString alloc]
	    initWithCString: (char *)extension.items + 1
		   encoding: encoding
		     length: extension.count - 1];
}

static void
parseOwnerExtension(OFLHAArchiveEntry *entry, OFData *extension,
    OFStringEncoding encoding)
{
	[entry->_ownerAccountName release];
	entry->_ownerAccountName = nil;

	entry->_ownerAccountName = [[OFString alloc]
	    initWithCString: (char *)extension.items + 1
		   encoding: encoding
		     length: extension.count - 1];
}

static void
parseModificationDateExtension(OFLHAArchiveEntry *entry, OFData *extension,

	*fileName = cString + pos;
	*fileNameLength = length - pos;
	*directoryName = cString;
	*directoryNameLength = pos;
}






- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)of_init
{
	self = [super init];

	@try {

		_compressionMethod = @"-lh0-";
		_modificationDate = [[OFDate alloc] init];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

		uint32_t date;

		_compressionMethod = [[OFString alloc]
		    initWithCString: header + 2
			   encoding: OFStringEncodingASCII
			     length: 5];

		if (_compressedSize > UINT32_MAX ||
		    _uncompressedSize > UINT32_MAX)
			@throw [OFOutOfRangeException exception];

		memcpy(&_compressedSize, header + 7, 4);
		_compressedSize =
		    OFFromLittleEndian32((uint32_t)_compressedSize);

		memcpy(&_uncompressedSize, header + 11, 4);
		_uncompressedSize =
		    OFFromLittleEndian32((uint32_t)_uncompressedSize);

		memcpy(&date, header + 15, 4);
		date = OFFromLittleEndian32(date);

		_headerLevel = header[20];
		_extensions = [[OFMutableArray alloc] init];

		switch (_headerLevel) {
		case 0:
		case 1:;
			void *pool = objc_autoreleasePoolPush();
			uint8_t fileNameLength;
			OFString *tmp;

			_modificationDate = [parseMSDOSDate(date) retain];

			fileNameLength = [stream readInt8];
			tmp = [stream readStringWithLength: fileNameLength
						  encoding: encoding];
			tmp = [tmp stringByReplacingOccurrencesOfString: @"\\"
							     withString: @"/"];
			_fileName = [tmp copy];

			_CRC16 = [stream readLittleEndianInt16];

			if (_headerLevel == 1) {
				_operatingSystemIdentifier = [stream readInt8];

				readExtensions(self, stream, encoding, false);
			}

			objc_autoreleasePoolPop(pool);
			break;
		case 2:
			_modificationDate = [[OFDate alloc]
			    initWithTimeIntervalSince1970: date];

			_CRC16 = [stream readLittleEndianInt16];
			_operatingSystemIdentifier = [stream readInt8];

			readExtensions(self, stream, encoding, true);

}

- (void)dealloc
{
	[_compressionMethod release];
	[_fileName release];
	[_directoryName release];
	[_modificationDate release];
	[_fileComment release];
	[_POSIXPermissions release];
	[_ownerAccountID release];
	[_groupOwnerAccountID release];
	[_ownerAccountName release];
	[_groupOwnerAccountName release];
	[_extensions release];

	[super dealloc];
}

- (id)copy
{
	return [self retain];
}

- (id)mutableCopy
{
	OFLHAArchiveEntry *copy = [[OFMutableLHAArchiveEntry alloc]
	    initWithFileName: _fileName];

	@try {
		[copy->_compressionMethod release];
		copy->_compressionMethod = nil;

		[copy->_modificationDate release];
		copy->_modificationDate = nil;

		copy->_directoryName = [_directoryName copy];
		copy->_compressionMethod = [_compressionMethod copy];
		copy->_compressedSize = _compressedSize;
		copy->_uncompressedSize = _uncompressedSize;
		copy->_modificationDate = [_modificationDate copy];
		copy->_headerLevel = _headerLevel;
		copy->_CRC16 = _CRC16;
		copy->_operatingSystemIdentifier = _operatingSystemIdentifier;
		copy->_fileComment = [_fileComment copy];
		copy->_POSIXPermissions = [_POSIXPermissions retain];
		copy->_ownerAccountID = [_ownerAccountID retain];
		copy->_groupOwnerAccountID = [_groupOwnerAccountID retain];
		copy->_ownerAccountName = [_ownerAccountName copy];
		copy->_groupOwnerAccountName = [_groupOwnerAccountName copy];

		copy->_extensions = [_extensions copy];
	} @catch (id e) {
		[copy release];
		@throw e;
	}

	return copy;

}

- (OFString *)compressionMethod
{
	return _compressionMethod;
}

- (unsigned long long)compressedSize
{
	return _compressedSize;
}

- (unsigned long long)uncompressedSize
{
	return _uncompressedSize;
}

- (OFDate *)modificationDate
{
	return _modificationDate;
}

- (uint8_t)headerLevel
{
	return _headerLevel;
}

}

- (OFString *)fileComment
{
	return _fileComment;
}

- (OFNumber *)POSIXPermissions
{
	return _POSIXPermissions;
}

- (OFNumber *)ownerAccountID
{
	return _ownerAccountID;
}

- (OFNumber *)groupOwnerAccountID
{
	return _groupOwnerAccountID;
}

- (OFString *)ownerAccountName
{
	return _ownerAccountName;
}

- (OFString *)groupOwnerAccountName
{
	return _groupOwnerAccountName;





}

- (OFArray OF_GENERIC(OFData *) *)extensions
{
	return _extensions;
}

	    OFStringEncodingASCII] != 5)
		@throw [OFInvalidArgumentException exception];

	getFileNameAndDirectoryName(self, encoding, &fileName, &fileNameLength,
	    &directoryName, &directoryNameLength);

	if (fileNameLength > UINT16_MAX - 3 ||
	    directoryNameLength > UINT16_MAX - 3 ||
	    _compressedSize > UINT32_MAX || _uncompressedSize > UINT32_MAX)
		@throw [OFOutOfRangeException exception];

	/* Length. Filled in after we're done. */
	[data increaseCountBy: 2];

	[data addItems: [_compressionMethod
			    cStringWithEncoding: OFStringEncodingASCII]
		 count: 5];

	tmp32 = OFToLittleEndian32((uint32_t)_compressedSize);
	[data addItems: &tmp32 count: sizeof(tmp32)];

	tmp32 = OFToLittleEndian32((uint32_t)_uncompressedSize);
	[data addItems: &tmp32 count: sizeof(tmp32)];

	tmp32 = OFToLittleEndian32(
	    (uint32_t)_modificationDate.timeIntervalSince1970);
	[data addItems: &tmp32 count: sizeof(tmp32)];

	/* Reserved */
	[data increaseCountBy: 1];

	/* Header level */
	[data addItem: "\x02"];

		tmp16 = OFToLittleEndian16((uint16_t)fileCommentLength + 3);
		[data addItems: &tmp16 count: sizeof(tmp16)];
		[data addItem: "\x3F"];
		[data addItems: [_fileComment cStringWithEncoding: encoding]
			 count: fileCommentLength];
	}

	if (_POSIXPermissions != nil) {
		tmp16 = OFToLittleEndian16(5);
		[data addItems: &tmp16 count: sizeof(tmp16)];
		[data addItem: "\x50"];

		tmp16 =
		    OFToLittleEndian16(_POSIXPermissions.unsignedShortValue);
		[data addItems: &tmp16 count: sizeof(tmp16)];
	}

	if (_ownerAccountID != nil || _groupOwnerAccountID != nil) {
		if (_ownerAccountID == nil || _groupOwnerAccountID == nil)
			@throw [OFInvalidArgumentException exception];

		tmp16 = OFToLittleEndian16(7);
		[data addItems: &tmp16 count: sizeof(tmp16)];
		[data addItem: "\x51"];

		tmp16 = OFToLittleEndian16(
		    _groupOwnerAccountID.unsignedShortValue);
		[data addItems: &tmp16 count: sizeof(tmp16)];

		tmp16 = OFToLittleEndian16(_ownerAccountID.unsignedShortValue);
		[data addItems: &tmp16 count: sizeof(tmp16)];
	}

	if (_groupOwnerAccountName != nil) {
		size_t length = [_groupOwnerAccountName
		    cStringLengthWithEncoding: encoding];

		if (length > UINT16_MAX - 3)
			@throw [OFOutOfRangeException exception];

		tmp16 = OFToLittleEndian16((uint16_t)length + 3);
		[data addItems: &tmp16 count: sizeof(tmp16)];
		[data addItem: "\x52"];
		[data addItems: [_groupOwnerAccountName
				    cStringWithEncoding: encoding]
			 count: length];
	}

	if (_ownerAccountName != nil) {
		size_t length =
		    [_ownerAccountName cStringLengthWithEncoding: encoding];

		if (length > UINT16_MAX - 3)
			@throw [OFOutOfRangeException exception];

		tmp16 = OFToLittleEndian16((uint16_t)length + 3);
		[data addItems: &tmp16 count: sizeof(tmp16)];
		[data addItem: "\x53"];
		[data addItems: [_ownerAccountName


				    cStringWithEncoding: encoding]




			 count: length];



	}

	for (OFData *extension in _extensions) {
		size_t extensionLength = extension.count;

		if (extension.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

	objc_autoreleasePoolPop(pool);
}

- (OFString *)description
{
	void *pool = objc_autoreleasePoolPush();
	OFString *POSIXPermissions = nil;

	OFString *extensions = [_extensions.description
	    stringByReplacingOccurrencesOfString: @"\n"
				      withString: @"\n\t"];
	OFString *ret;

	if (_POSIXPermissions != nil)
		POSIXPermissions = [OFString stringWithFormat: @"%ho",
		    _POSIXPermissions.unsignedShortValue];

	ret = [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tFile name = %@\n"
	    @"\tCompression method = %@\n"
	    @"\tCompressed size = %llu\n"
	    @"\tUncompressed size = %llu\n"
	    @"\tModification date = %@\n"
	    @"\tHeader level = %u\n"
	    @"\tCRC16 = %04" @PRIX16 @"\n"
	    @"\tOperating system identifier = %c\n"
	    @"\tComment = %@\n"
	    @"\tPOSIX permissions = %@\n"
	    @"\tOwner account ID = %@\n"
	    @"\tGroup owner account ID = %@\n"
	    @"\tOwner account name = %@\n"
	    @"\tGroup owner accounut name = %@\n"

	    @"\tExtensions: %@"
	    @">",
	    self.class, self.fileName, _compressionMethod, _compressedSize,
	    _uncompressedSize, _modificationDate, _headerLevel, _CRC16,
	    _operatingSystemIdentifier, _fileComment, POSIXPermissions,
	    _ownerAccountID, _groupOwnerAccountID, _ownerAccountName,
	    _groupOwnerAccountName, extensions];

	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
@end