Function EfiLibFileInfo

rEFIt_UEFI/libeg/BmLib.cpp:197–215

Function gets the file information from an open file descriptor, and stores it in a buffer allocated from pool. @param FHand File Handle. @return A pointer to a buffer with file information or NULL is returned **/

**/
EFI_FILE_INFO *
EfiLibFileInfo (
  IN EFI_FILE_HANDLE      FHand
  )
{
  EFI_STATUS    Status;
  EFI_FILE_INFO *FileInfo = NULL;
  UINTN         Size = 0;
  
  Status = FHand->GetInfo (FHand, &gEfiFileInfoGuid, &Size, FileInfo);
  if (Status == EFI_BUFFER_TOO_SMALL) {
    // inc size by 2 because some drivers (HFSPlus.efi) do not count 0 at the end of file name
    Size += 2;
    FileInfo = (__typeof__(FileInfo))AllocateZeroPool(Size);
    Status = FHand->GetInfo (FHand, &gEfiFileInfoGuid, &Size, FileInfo);
  }
  
  return EFI_ERROR(Status)?NULL:FileInfo;
}

EFI_FILE_SYSTEM_INFO *
EfiLibFileSystemInfo (