Ionic.Zlib.ParallelDeflateOutputStream._FlushFinish C# (CSharp) Method

        private void _FlushFinish()
        {
            // After writing a series of compressed buffers, each one closed
            // with Flush.Sync, we now write the final one as Flush.Finish,
            // and then stop.
            byte[] buffer = new byte[128];
            var compressor = new ZlibCodec();
            int rc = compressor.InitializeDeflate(_compressLevel, false);
            compressor.InputBuffer = null;
            compressor.NextIn = 0;
            compressor.AvailableBytesIn = 0;
            compressor.OutputBuffer = buffer;
            compressor.NextOut = 0;
            compressor.AvailableBytesOut = buffer.Length;
            rc = compressor.Deflate(FlushType.Finish);

            if (rc != ZlibConstants.Z_STREAM_END && rc != ZlibConstants.Z_OK)
                throw new Exception("deflating: " + compressor.Message);

            if (buffer.Length - compressor.AvailableBytesOut > 0)
            {
                TraceOutput(TraceBits.EmitBegin,
                            "Emit     begin    flush bytes({0})",
                            buffer.Length - compressor.AvailableBytesOut);

                _outStream.Write(buffer, 0, buffer.Length - compressor.AvailableBytesOut);

                TraceOutput(TraceBits.EmitDone,
                            "Emit     done     flush");
            }

            compressor.EndDeflate();

            _Crc32 = _runningCrc.Crc32Result;
        }