Function DeleteBootOption

rEFIt_UEFI/Platform/BootOptions.cpp:1062–1099

Deletes boot option specified with BootNum (XXXX in BootXXXX var name). */

/** Deletes boot option specified with BootNum (XXXX in BootXXXX var name). */
EFI_STATUS
DeleteBootOption (
    IN  UINT16          BootNum
    )
{
  EFI_STATUS          Status;
  CHAR16              VarName[16];


	DBG("DeleteBootOption: Boot%04hX\n", BootNum);

	snwprintf(VarName, sizeof(VarName), "Boot%04hX", BootNum);

  //
  // Delete BootXXXX var
  //
  Status = gRT->SetVariable (VarName,
                             &gEfiGlobalVariableGuid,
                             0,
                             0,
                             NULL
                             );
  if (EFI_ERROR(Status)) {
    DBG(" Error del. variable: %ls = %s\n", VarName, efiStrError(Status));
    return Status;
  }
  DBG(" %ls deleted\n", VarName);

  //
  // Update BootOrder - delete our boot option from the list
  //
  Status = DeleteFromBootOrder (BootNum);
  //if (EFI_ERROR(Status)) {
  //  return Status;
  //}

  return Status;
}

//
// Delete all boot options for file specified with FileDeviceHandle and FileName.