EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/EfiCompareGuid.c

   1 /*++
   2
   3 Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   EfiCompareGuid.c
  15
  16 Abstract:
  17
  18   Driver library routine to compare two GUIDs.
  19
  20 --*/
  21
  22 #include "Tiano.h"
  23 #include "EfiDriverLib.h"
  24
  25 BOOLEAN
  26 EfiCompareGuid (
  27   IN EFI_GUID *Guid1,
  28   IN EFI_GUID *Guid2
  29   )
  30 /*++
  31
  32 Routine Description:
  33
  34   Compares two GUIDs
  35
  36 Arguments:
  37
  38   Guid1 - guid to compare
  39
  40   Guid2 - guid to compare
  41
  42 Returns:
  43   TRUE     if Guid1 == Guid2
  44   FALSE    if Guid1 != Guid2
  45
  46 --*/
  47 {
  48   UINTN Index;
  49
  50   //
  51   // compare byte by byte
  52   //
  53   for (Index = 0; Index < 16; ++Index) {
  54     if (*(((UINT8*) Guid1) + Index) != *(((UINT8*) Guid2) + Index)) {
  55       return FALSE;
  56     }
  57   }
  58   return TRUE;
  59 }