ObjFW  Diff

};

OF_DIRECT_MEMBERS
@interface OFLHAArchiveFileReadStream: OFStream <OFReadyForReadingObserving>
{
	OFStream *_stream, *_decompressedStream;
	OFLHAArchiveEntry *_entry;
	uint32_t _toRead, _bytesConsumed;
	unsigned long long _toRead;
	uint16_t _CRC16;
	bool _atEndOfStream, _skipped;
}

- (instancetype)of_initWithStream: (OFStream *)stream
			    entry: (OFLHAArchiveEntry *)entry;
- (void)of_skip;

	if (_atEndOfStream)
		return 0;

	if (_stream.atEndOfStream && !_decompressedStream.hasDataInReadBuffer)
		@throw [OFTruncatedDataException exception];

	if (length > _toRead)
		length = _toRead;
		length = (size_t)_toRead;

	ret = [_decompressedStream readIntoBuffer: buffer length: length];

	_toRead -= ret;
	_CRC16 = OFCRC16(_CRC16, buffer, ret);

	if (_toRead == 0) {

	return ((id <OFReadyForReadingObserving>)_decompressedStream)
	    .fileDescriptorForReading;
}

- (void)of_skip
{
	OFStream *stream;
	uint32_t toRead;
	unsigned long long toRead;

	if (_stream == nil || _skipped)
		return;

	stream = _stream;
	toRead = _toRead;

		toRead =
		    _entry.compressedSize - decompressingStream.bytesConsumed;

		stream = _stream;
	}

	if ([stream isKindOfClass: [OFSeekableStream class]] &&
	    (sizeof(OFFileOffset) > 4 || toRead < INT32_MAX))
	    (sizeof(OFFileOffset) > 4 || toRead != (OFFileOffset)toRead))
		[(OFSeekableStream *)stream seekToOffset: (OFFileOffset)toRead
						  whence: SEEK_CUR];
	else {
		while (toRead > 0) {
			char buffer[512];
			size_t min = toRead;
			unsigned long long min = toRead;

			if (min > 512)
				min = 512;

			toRead -= [stream readIntoBuffer: buffer length: min];
			toRead -= [stream readIntoBuffer: buffer
						  length: (size_t)min];
		}
	}

	_toRead = 0;
	_skipped = true;
}