Function DirIterNext

rEFIt_UEFI/refit/lib.cpp:1464–1493

}

BOOLEAN DirIterNext(IN OUT REFIT_DIR_ITER *DirIter, IN UINTN FilterMode, IN CONST CHAR16 *FilePattern OPTIONAL,
                    OUT EFI_FILE_INFO **DirEntry)
{
  if (DirIter->LastFileInfo != NULL) {
    FreePool(DirIter->LastFileInfo);
    DirIter->LastFileInfo = NULL;
  }
  
  if (EFI_ERROR(DirIter->LastStatus))
    return FALSE;   // stop iteration
  
  for (;;) {
    DirIter->LastStatus = DirNextEntry(DirIter->DirHandle, &(DirIter->LastFileInfo), FilterMode);
    if (EFI_ERROR(DirIter->LastStatus))
      return FALSE;
    if (DirIter->LastFileInfo == NULL)  // end of listing
      return FALSE;
    if (FilePattern != NULL) {
      if ((DirIter->LastFileInfo->Attribute & EFI_FILE_DIRECTORY))
        break;
      if (MetaiMatch(DirIter->LastFileInfo->FileName, FilePattern))
        break;
      // else continue loop
    } else
      break;
  }
  
  *DirEntry = DirIter->LastFileInfo;
  return TRUE;
}

EFI_STATUS DirIterClose(IN OUT REFIT_DIR_ITER *DirIter)
{