MdePkg BaseMemoryLib: Add C implementation of API IsZeroBuffer()

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLib / CopyMem.c

diff --git a/MdePkg/Library/BaseMemoryLib/CopyMem.c b/MdePkg/Library/BaseMemoryLib/CopyMem.c
index 632061a66862bdb02ff8942b4a55cfa9655224f5..37f03660df5f6870c9e6126325f547be87a5e72f 100644 (file)
--- a/MdePkg/Library/BaseMemoryLib/CopyMem.c
+++ b/MdePkg/Library/BaseMemoryLib/CopyMem.c
@@ -1,30 +1,30 @@
 /** @file\r
-  Implementation of the EfiCopyMem routine. This function is broken\r
-  out into its own source file so that it can be excluded from a\r
-  build for a particular platform easily if an optimized version\r
-  is desired.\r
+  Implementation of the InternalMemCopyMem routine. This function is broken\r
+  out into its own source file so that it can be excluded from a build for a\r
+  particular platform easily if an optimized version is desired.\r
 \r
-  Copyright (c) 2006, Intel Corporation<BR>\r
-  All rights reserved. This program and the accompanying materials\r
+  Copyright (c) 2006 - 2010, 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
 \r
-  Module Name:  EfiCopyMem.c\r
-\r
 **/\r
 \r
+\r
+\r
+\r
 #include "MemLibInternals.h"\r
 \r
 /**\r
   Copy Length bytes from Source to Destination.\r
 \r
-  @param  Destination Target of copy\r
-  @param  Source Place to copy from\r
-  @param  Length Number of bytes to copy\r
+  @param  DestinationBuffer The target of the copy request.\r
+  @param  SourceBuffer      The place to copy from.\r
+  @param  Length            The number of bytes to copy.\r
 \r
   @return Destination\r
 \r
@@ -32,8 +32,8 @@
 VOID *\r
 EFIAPI\r
 InternalMemCopyMem (\r
-  OUT     VOID                      *Destination,\r
-  IN      CONST VOID                *Source,\r
+  OUT     VOID                      *DestinationBuffer,\r
+  IN      CONST VOID                *SourceBuffer,\r
   IN      UINTN                     Length\r
   )\r
 {\r
@@ -45,18 +45,18 @@ InternalMemCopyMem (
   volatile UINT8                    *Destination8;\r
   CONST UINT8                       *Source8;\r
 \r
-  if (Source > Destination) {\r
-    Destination8 = (UINT8*)Destination;\r
-    Source8 = (CONST UINT8*)Source;\r
+  if (SourceBuffer > DestinationBuffer) {\r
+    Destination8 = (UINT8*)DestinationBuffer;\r
+    Source8 = (CONST UINT8*)SourceBuffer;\r
     while (Length-- != 0) {\r
       *(Destination8++) = *(Source8++);\r
     }\r
-  } else if (Source < Destination) {\r
-    Destination8 = (UINT8*)Destination + Length;\r
-    Source8 = (CONST UINT8*)Source + Length;\r
+  } else if (SourceBuffer < DestinationBuffer) {\r
+    Destination8 = (UINT8*)DestinationBuffer + Length;\r
+    Source8 = (CONST UINT8*)SourceBuffer + Length;\r
     while (Length-- != 0) {\r
       *(--Destination8) = *(--Source8);\r
     }\r
   }\r
-  return Destination;\r
+  return DestinationBuffer;\r
 }\r