X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLibRepStr%2FCopyMemWrapper.c;h=dc489047666a33bf031feba4c807c26af2cd14c6;hb=2f88bd3a1296c522317f1c21377876de63de5be7;hp=09c18255aa46de21ae9d8cafdbb8f5bb25a22513;hpb=38bbd3d91c38481d18c1a7e2049473c951ee98ed;p=mirror_edk2.git
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c
index 09c18255aa..dc48904766 100644
--- a/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c
@@ -1,30 +1,21 @@
/** @file
CopyMem() implementation.
- Copyright (c) 2006, Intel Corporation
- 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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
#include "MemLibInternals.h"
@@ -34,12 +25,13 @@
This function copies Length bytes from SourceBuffer to DestinationBuffer, and returns
DestinationBuffer. The implementation must be reentrant, and it must handle the case
where SourceBuffer overlaps DestinationBuffer.
- If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().
- @param DestinationBuffer Pointer to the destination buffer of the memory copy.
- @param SourceBuffer Pointer to the source buffer of the memory copy.
- @param Length Number of bytes to copy from SourceBuffer to DestinationBuffer.
+ If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().
+
+ @param DestinationBuffer The pointer to the destination buffer of the memory copy.
+ @param SourceBuffer The pointer to the source buffer of the memory copy.
+ @param Length The number of bytes to copy from SourceBuffer to DestinationBuffer.
@return DestinationBuffer.
@@ -52,14 +44,16 @@ CopyMem (
IN UINTN Length
)
{
- if (0 == Length) {
+ if (Length == 0) {
return DestinationBuffer;
}
+
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer));
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer));
if (DestinationBuffer == SourceBuffer) {
return DestinationBuffer;
}
+
return InternalMemCopyMem (DestinationBuffer, SourceBuffer, Length);
}