private void SeekFSStream(long offset)
{
if (NANDMMCStyle)
{
if (_fileStream.Position == offset)
{
return; // No need to seek, we're already where we want to be...
}
if (_fileStream.CanSeek)
{
_fileStream.Seek(offset, SeekOrigin.Begin);
}
else
{
throw new Exception("Unable to seek!");
}
}
else
{
var lo = (int)(offset & 0xffffffff);
var hi = (int)(offset << 32);
lo = (int)NativeWin32.SetFilePointer(_deviceHandle, lo, ref hi, NativeWin32.SeekOriginToMoveMethod(SeekOrigin.Begin));
if (lo == -1)
{
throw new X360NANDManagerException(X360NANDManagerException.ErrorLevels.Win32Error);
}
}
}