Method GetV

Libraries/unrar/rawread.cpp:115–128

uint64 RawRead::GetV()
{
  uint64 Result=0;
  // Need to check Shift<64, because for shift greater than or equal to
  // the width of the promoted left operand, the behavior is undefined.
  for (uint Shift=0;ReadPos<DataSize && Shift<64;Shift+=7)
  {
    byte CurByte=Data[ReadPos++];
    Result+=uint64(CurByte & 0x7f)<<Shift;
    if ((CurByte & 0x80)==0)
      return Result; // Decoded successfully.
  }
  return 0; // Out of buffer border.
}


// Return a number of bytes in current variable length integer.