HRESULT COutVolumeStream::Flush()
{
if (_volumeStream)
{
_file.UnPackSize = _curPos;
_file.FileCRC = _crc.GetDigest();
RINOK(WriteVolumeHeader(_archive, _file, _options));
_archive.Close();
_volumeStream.Release();
_file.StartPos += _file.UnPackSize;
}
return S_OK;
}
static HRESULT GetStreamCRC(ISequentialInStream *inStream, UInt32 &resultCRC)
{
CCRC crc;
crc.Init();
const UInt32 kBufferSize = (1 << 14);
Byte buffer[kBufferSize];
for (;;)
{
UInt32 realProcessedSize;
RINOK(inStream->Read(buffer, kBufferSize, &realProcessedSize));
if(realProcessedSize == 0)
{
resultCRC = crc.GetDigest();
return S_OK;
}
crc.Update(buffer, realProcessedSize);
}
}