X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLibOptPei%2FZeroMemWrapper.c;h=596411896c1fbe23338b5775a15a5e93e880699f;hb=9344f0921518309295da89c221d10cbead8531aa;hp=9f90ba98ee822c06ca90aba2666dab0fdee60969;hpb=cc4e0485045285042ad088736ef278459b139d54;p=mirror_edk2.git

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
index 9f90ba98ee..596411896c 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
@@ -1,30 +1,21 @@
 /** @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
 
-//
-// Include common header file for this module.
-//
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
+**/
 
 #include "MemLibInternals.h"
 
@@ -32,11 +23,12 @@
   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.
 
@@ -48,7 +40,11 @@ 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);
 }