Add .S file for GCC tool-chain for EfiRuntimeLib.

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / EfiCommonLib / EfiCompareGuid.c

/*++\r
\r
Copyright (c) 2004 - 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
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Module Name:\r
\r
  EfiCompareGuid.c\r
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Abstract:\r
\r
  Driver library routine to compare two GUIDs.\r
\r
--*/\r
\r
#include "Tiano.h"\r
#include "EfiDriverLib.h"\r
\r
BOOLEAN\r
EfiCompareGuid (\r
  IN EFI_GUID *Guid1,\r
  IN EFI_GUID *Guid2\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Compares two GUIDs\r
\r
Arguments:\r
\r
  Guid1 - guid to compare\r
\r
  Guid2 - guid to compare\r
\r
Returns:\r
  TRUE     if Guid1 == Guid2\r
  FALSE    if Guid1 != Guid2\r
\r
--*/\r
{\r
  UINTN Index;\r
\r
  //\r
  // compare byte by byte\r
  //\r
  for (Index = 0; Index < 16; ++Index) {\r
    if (*(((UINT8*) Guid1) + Index) != *(((UINT8*) Guid2) + Index)) {\r
      return FALSE;\r
    }\r
  }\r
  return TRUE;\r
}\r