X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLibOptPei%2FZeroMemWrapper.c;h=9dd0b45e188e5cbb668f75132dc5e8bbd35417e6;hp=a0b30d164da9334bca6fa9021931ca35fd6429e1;hb=12a37b2ae19b1edabf390c0744ae0af9bb9d2b9a;hpb=1efcc4ae46f52e3845923ffbab68426e068709d2

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
index a0b30d164d..9dd0b45e18 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
@@ -1,28 +1,27 @@
 /** @file
   ZeroMem() implementation.
 
-  Copyright (c) 2006, Intel Corporation<BR>
-  All rights reserved. This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-  The following BaseMemoryLib instances share the same version of this file:
+  The following BaseMemoryLib instances contain the same copy of this file:
 
     BaseMemoryLib
     BaseMemoryLibMmx
     BaseMemoryLibSse2
     BaseMemoryLibRepStr
+    BaseMemoryLibOptDxe
+    BaseMemoryLibOptPei
     PeiMemoryLib
-    DxeMemoryLib
-
-**/
-
+    UefiMemoryLib
+    
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
 
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
+**/
 
 #include "MemLibInternals.h"
 
@@ -30,11 +29,12 @@
   Fills a target buffer with zeros, and returns the target buffer.
 
   This function fills Length bytes of Buffer with zeros, and returns Buffer.
+  
   If Length > 0 and Buffer is NULL, then ASSERT().
   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
 
-  @param  Buffer      Pointer to the target buffer to fill with zeros.
-  @param  Length      Number of bytes in Buffer to fill with zeros.
+  @param  Buffer      The pointer to the target buffer to fill with zeros.
+  @param  Length      The number of bytes in Buffer to fill with zeros.
 
   @return Buffer.
 
@@ -46,7 +46,11 @@ ZeroMem (
   IN UINTN  Length
   )
 {
-  ASSERT (!(NULL == Buffer && Length > 0));
+  if (Length == 0) {
+    return Buffer;
+  }
+
+  ASSERT (Buffer != NULL);
   ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));
   return InternalMemZeroMem (Buffer, Length);
 }