static HRESULT UnpackData(IInStream *inStream, const CResource &resource, bool lzxMode, CByteBuffer &buf, Byte *digest)
{
size_t size = (size_t)resource.UnpackSize;
if (size != resource.UnpackSize)
return E_OUTOFMEMORY;
buf.Free();
buf.SetCapacity(size);
CSequentialOutStreamImp2 *outStreamSpec = new CSequentialOutStreamImp2();
CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
outStreamSpec->Init((Byte *)buf, size);
CUnpacker unpacker;
return unpacker.Unpack(inStream, resource, lzxMode, outStream, NULL, digest);
}
bool GetReparseData(CFSTR path, CByteBuffer &reparseData, BY_HANDLE_FILE_INFORMATION *fileInfo)
{
reparseData.Free();
CInFile file;
if (!file.OpenReparse(path))
return false;
if (fileInfo)
file.GetFileInformation(fileInfo);
const unsigned kBufSize = MAXIMUM_REPARSE_DATA_BUFFER_SIZE;
CByteArr buf(kBufSize);
DWORD returnedSize;
if (!file.DeviceIoControlOut(my_FSCTL_GET_REPARSE_POINT, buf, kBufSize, &returnedSize))
return false;
reparseData.CopyFrom(buf, returnedSize);
return true;
}
