ObjFW  Diff

	if (_decompressedStream == nil)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (_atEndOfStream)
		return 0;

	if ([_archive->_stream isAtEndOfStream] &&
	    ![_decompressedStream hasDataInReadBuffer]) {
		OFStream *oldStream, *oldDecompressedStream;
		OFSeekableStream *stream;

		if (_archive->_diskNumber >= _archive->_lastDiskNumber)
			@throw [OFTruncatedDataException exception];

		oldStream = _archive->_stream;

	return ret;
}

- (bool)hasDataInReadBuffer
{
	return (super.hasDataInReadBuffer ||
	    [_decompressedStream hasDataInReadBuffer]);
}

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