public override void Flush()
{
if (_mode == ZLibMode.Decompress)
{
BaseStream.Flush();
return;
}
using (PinnedArray pinWrite = new PinnedArray(_internalBuf))
{
_zstream.NextIn = IntPtr.Zero;
_zstream.AvailIn = 0;
_zstream.NextOut = pinWrite[_internalBufPos];
_zstream.AvailOut = (uint)(_internalBuf.Length - _internalBufPos);
ZLibReturnCode ret = ZLibReturnCode.OK;
while (ret != ZLibReturnCode.STREAM_END)
{
if (_zstream.AvailOut != 0)
{
uint outCount = _zstream.AvailOut;
ret = ZLibNative.Deflate(_zstream, ZLibFlush.FINISH);
_internalBufPos += (int)(outCount - _zstream.AvailOut);
if (ret != ZLibReturnCode.STREAM_END && ret != ZLibReturnCode.OK)
{
throw new Exception(ret + " " + _zstream.LastErrorMsg);
}
}
BaseStream.Write(_internalBuf, 0, _internalBufPos);
TotalOut += _internalBufPos;
_internalBufPos = 0;
_zstream.NextOut = pinWrite;
_zstream.AvailOut = (uint)_internalBuf.Length;
}
}
BaseStream.Flush();
}
public override void Write(byte[] buffer, int offset, int count)
{
if (_mode != ZLibMode.Compress)
{
throw new NotSupportedException("Write not supported on decompression");
}
TotalIn += count;
using (PinnedArray pinRead = new PinnedArray(buffer))
using (PinnedArray pinWrite = new PinnedArray(_internalBuf))
{
_zstream.NextIn = pinRead[offset];
_zstream.AvailIn = (uint)count;
_zstream.NextOut = pinWrite[_internalBufPos];
_zstream.AvailOut = (uint)(_internalBuf.Length - _internalBufPos);
while (_zstream.AvailIn != 0)
{
uint outCount = _zstream.AvailOut;
ZLibReturnCode ret = ZLibNative.Deflate(_zstream, ZLibFlush.NO_FLUSH);
_internalBufPos += (int)(outCount - _zstream.AvailOut);
if (_zstream.AvailOut == 0)
{
BaseStream.Write(_internalBuf, 0, _internalBuf.Length);
TotalOut += _internalBuf.Length;
_internalBufPos = 0;
_zstream.NextOut = pinWrite;
_zstream.AvailOut = (uint)_internalBuf.Length;
}
if (ret != ZLibReturnCode.OK)
{
throw new Exception(ret + " " + _zstream.LastErrorMsg);
}
}
}
}
