Method Open

src/diskfile.cpp:244–274

// Open the file

bool DiskFile::Open(const std::string &_filename, u64 _filesize)
{
  assert(hFile == INVALID_HANDLE_VALUE);

  filename = _filename;
  filesize = _filesize;

  std::wstring wfilename = utf8::Utf8ToWide(_filename);
  hFile = ::CreateFileW(wfilename.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
  if (hFile == INVALID_HANDLE_VALUE)
  {
    DWORD error = ::GetLastError();

    switch (error)
    {
    case ERROR_FILE_NOT_FOUND:
    case ERROR_PATH_NOT_FOUND:
      break;
    default:
      #pragma omp critical
      *serr << "Could not open \"" << _filename << "\": " << ErrorMessage(error) << std::endl;
    }

    return false;
  }

  offset = 0;
  exists = true;

  return true;
}

// Read some data from disk