Minor grammatical work--mostly adding periods. Items with ONLY period added did...

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

diff --git a/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c b/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c
index e3b0fe3fd6c38b2a4f74cbd307d4a74cf1eba745..3e74647aa3eed8a1f249b0b66fddf695fae7176f 100644 (file)
--- a/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c
+++ b/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c
@@ -1,26 +1,25 @@
 /** @file\r
   CompareMem() 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
-  Module Name:  CompareMemWrapper.c\r
-\r
-  The following BaseMemoryLib instances share the same version of this file:\r
-\r
+  The following BaseMemoryLib instances contain the same copy of this file:\r
     BaseMemoryLib\r
     BaseMemoryLibMmx\r
     BaseMemoryLibSse2\r
     BaseMemoryLibRepStr\r
+    BaseMemoryLibOptDxe\r
+    BaseMemoryLibOptPei\r
     PeiMemoryLib\r
     UefiMemoryLib\r
 \r
+Copyright (c) 2006 - 2009, 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
+\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
 **/\r
 \r
 #include "MemLibInternals.h"\r
@@ -32,20 +31,20 @@
   If all Length bytes of the two buffers are identical, then 0 is returned.  Otherwise, the\r
   value returned is the first mismatched byte in SourceBuffer subtracted from the first\r
   mismatched byte in DestinationBuffer.\r
-  If Length > 0 and DestinationBuffer is NULL and Length > 0, then ASSERT().\r
-  If Length > 0 and SourceBuffer is NULL and Length > 0, then ASSERT().\r
-  If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT(). \r
-  If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT(). \r
+  \r
+  If Length > 0 and DestinationBuffer is NULL, then ASSERT().\r
+  If Length > 0 and SourceBuffer is NULL, then ASSERT().\r
+  If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().\r
+  If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().\r
 \r
-\r
-  @param  DestinationBuffer Pointer to the destination buffer to compare.\r
-  @param  SourceBuffer      Pointer to the source buffer to compare.\r
-  @param  Length            Number of bytes to compare.\r
+  @param  DestinationBuffer The pointer to the destination buffer to compare.\r
+  @param  SourceBuffer      The pointer to the source buffer to compare.\r
+  @param  Length            The number of bytes to compare.\r
 \r
   @return 0                 All Length bytes of the two buffers are identical.\r
   @retval Non-zero          The first mismatched byte in SourceBuffer subtracted from the first\r
                             mismatched byte in DestinationBuffer.\r
-\r
+                            \r
 **/\r
 INTN\r
 EFIAPI\r
@@ -55,7 +54,7 @@ CompareMem (
   IN UINTN       Length\r
   )\r
 {\r
-  if (Length == 0) {\r
+  if (Length == 0 || DestinationBuffer == SourceBuffer) {\r
     return 0;\r
   }\r
   ASSERT (DestinationBuffer != NULL);\r