MdePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / ZeroMemWrapper.c

diff --git a/MdePkg/Library/BaseMemoryLibSse2/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibSse2/ZeroMemWrapper.c
index a0b30d164da9334bca6fa9021931ca35fd6429e1..596411896c1fbe23338b5775a15a5e93e880699f 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibSse2/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibSse2/ZeroMemWrapper.c
@@ -1,28 +1,21 @@
 /** @file\r
   ZeroMem() implementation.\r
 \r
-  Copyright (c) 2006, Intel Corporation<BR>\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
-\r
-  The following BaseMemoryLib instances share the same version of this file:\r
+  The following BaseMemoryLib instances contain the same copy of this file:\r
 \r
     BaseMemoryLib\r
     BaseMemoryLibMmx\r
     BaseMemoryLibSse2\r
     BaseMemoryLibRepStr\r
+    BaseMemoryLibOptDxe\r
+    BaseMemoryLibOptPei\r
     PeiMemoryLib\r
-    DxeMemoryLib\r
-\r
-**/\r
-\r
+    UefiMemoryLib\r
 \r
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
+**/\r
 \r
 #include "MemLibInternals.h"\r
 \r
@@ -30,11 +23,12 @@
   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
   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 +40,11 @@ ZeroMem (
   IN UINTN  Length\r
   )\r
 {\r
-  ASSERT (!(NULL == Buffer && 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