Function FileDevicePathToXStringW

rEFIt_UEFI/refit/lib.cpp:1644–1672

Aptio UEFI returns File DevPath as 2 nodes (dir, file) and DevicePathToStr connects them with /, but we need '\\'

// Aptio UEFI returns File DevPath as 2 nodes (dir, file)
// and DevicePathToStr connects them with /, but we need '\\'
XStringW FileDevicePathToXStringW(IN EFI_DEVICE_PATH_PROTOCOL *DevPath)
{
  CHAR16      *FilePath;
  CHAR16      *Char;
  CONST CHAR16      *Tail;
  
  FilePath = ConvertDevicePathToText(DevPath, TRUE, TRUE);
  // fix / into '\\'
  if (FilePath != NULL) {
    for (Char = FilePath; *Char != L'\0'; Char++) {
      if (*Char == L'/') {
        *Char = L'\\';
      }
    }
  }
  // "\\\\" into '\\'
  Char = (CHAR16*)StrStr(FilePath, L"\\\\"); // cast is ok because FilePath is not const, and we know that StrStr returns a pointer in FilePath. Will disappear when using a string object instead of CHAR16*
  while (Char != NULL) {
//    StrCpyS(Char, 4, Char + 1);  //can't overlap
    Tail = Char + 1;
    while (*Char != 0) {
      *(Char++) = *(Tail++);
    }
    Char = (CHAR16*)StrStr(FilePath, L"\\\\"); // cast is ok because FilePath is not const, and we know that StrStr returns a pointer in FilePath. Will disappear when using a string object instead of CHAR16*
  }
  XStringW returnValue;
  returnValue.stealValueFrom(FilePath); // do not FreePool FilePath, it's now owned by returnValue
  return returnValue;
}

XStringW FileDevicePathFileToXStringW(IN EFI_DEVICE_PATH_PROTOCOL *DevPath)
{