Method GetBlockSize

Libraries/unrar/unpack50frag.cpp:97–103

size_t FragmentedWindow::GetBlockSize(size_t StartPos,size_t RequiredSize)
{
  for (uint I=0;I<ASIZE(MemSize);I++)
    if (StartPos<MemSize[I])
      return Min(MemSize[I]-StartPos,RequiredSize);
  return 0; // Must never be here.
}