EdkCompatibilityPkg/Compatiblity/FrameworkHiiToUefiHiiThunk/Utility.c

   1 /**@file
   2
   3   This file contains the keyboard processing code to the HII database.
   4
   5 Copyright (c) 2006 - 2008, Intel Corporation
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16
  17 #include "HiiDatabase.h"
  18
  19 EFI_GUID *
  20 GetGuidOfFirstFormset (
  21   CONST EFI_HII_FORM_PACKAGE * FormPackage
  22 )
  23 {
  24   UINT8             *StartOfNextPackage;
  25   EFI_IFR_OP_HEADER *OpCodeData;
  26
  27   StartOfNextPackage = (UINT8 *) FormPackage + FormPackage->Header.Length;
  28   OpCodeData = (EFI_IFR_OP_HEADER *) (FormPackage + 1);
  29
  30   while ((UINT8 *) OpCodeData < StartOfNextPackage) {
  31     if (OpCodeData->OpCode == EFI_IFR_FORM_SET_OP) {
  32       return &(((EFI_IFR_FORM_SET *) OpCodeData)->Guid);
  33     }
  34     OpCodeData = (EFI_IFR_OP_HEADER *) ((UINT8 *) OpCodeData + OpCodeData->Length);
  35   }
  36
  37   ASSERT (FALSE);
  38
  39   return NULL;
  40 }
  41