MdePkg: Clean up source files

[mirror_edk2.git] / MdePkg / Library / UefiMemoryLib / ZeroMemWrapper.c

diff --git a/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c b/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c
index 2923356f1368082722d5e1dcadd794fb2a3004e0..9ab315b8cfe3758050375bc7980cc6cb8632c206 100644 (file)
--- a/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c
+++ b/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c
@@ -11,12 +11,12 @@
     BaseMemoryLibOptPei\r
     PeiMemoryLib\r
     UefiMemoryLib\r
-    \r
-  Copyright (c) 2006 - 2009 , Intel Corporation<BR>\r
-  All rights reserved. This program and the accompanying materials\r
+\r
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+  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
+  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
@@ -29,12 +29,12 @@
   Fills a target buffer with zeros, and returns the target buffer.\r
 \r
   This function fills Length bytes of Buffer with zeros, and returns Buffer.\r
-  \r
+\r
   If Length > 0 and Buffer is NULL, then ASSERT().\r
   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
 \r
-  @param  Buffer      Pointer to the target buffer to fill with zeros.\r
-  @param  Length      Number of bytes in Buffer to fill with zeros.\r
+  @param  Buffer      The pointer to the target buffer to fill with zeros.\r
+  @param  Length      The number of bytes in Buffer to fill with zeros.\r
 \r
   @return Buffer.\r
 \r
@@ -46,7 +46,11 @@ ZeroMem (
   IN UINTN  Length\r
   )\r
 {\r
-  ASSERT (!(Buffer == NULL && Length > 0));\r
+  if (Length == 0) {\r
+    return Buffer;\r
+  }\r
+\r
+  ASSERT (Buffer != NULL);\r
   ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));\r
   return InternalMemZeroMem (Buffer, Length);\r
 }\r