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-rw-r--r--OldMdePkg/Library/BaseMemoryLibSse2/CopyMemWrapper.c62
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diff --git a/OldMdePkg/Library/BaseMemoryLibSse2/CopyMemWrapper.c b/OldMdePkg/Library/BaseMemoryLibSse2/CopyMemWrapper.c
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--- a/OldMdePkg/Library/BaseMemoryLibSse2/CopyMemWrapper.c
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-/** @file
- CopyMem() implementation.
-
- Copyright (c) 2006, Intel Corporation<BR>
- 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.
-
- Module Name: CopyMemWrapper.c
-
- The following BaseMemoryLib instances share the same version of this file:
-
- BaseMemoryLib
- BaseMemoryLibMmx
- BaseMemoryLibSse2
- BaseMemoryLibRepStr
- PeiMemoryLib
- DxeMemoryLib
-
-**/
-
-#include "MemLibInternals.h"
-
-/**
- Copies a source buffer to a destination buffer, and returns the destination buffer.
-
- 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.
-
- @return DestinationBuffer.
-
-**/
-VOID *
-EFIAPI
-CopyMem (
- OUT VOID *DestinationBuffer,
- IN CONST VOID *SourceBuffer,
- IN UINTN 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);
-}