ObjFW  Diff

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

- (bool)hasDataInReadBuffer
- (bool)lowlevelHasDataInReadBuffer
{
	return (super.hasDataInReadBuffer || _stream.hasDataInReadBuffer ||
	return (_stream.hasDataInReadBuffer ||
	    _bufferLength - _bufferIndex > 0);
}

- (void)close
{
	if (_stream == nil)
		@throw [OFNotOpenException exceptionWithObject: self];