+++ /dev/null
-/** @file\r
- CopyMem() 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: CopyMemWrapper.c\r
-\r
- The following BaseMemoryLib instances share the same version of this file:\r
-\r
- BaseMemoryLib\r
- BaseMemoryLibMmx\r
- BaseMemoryLibSse2\r
- BaseMemoryLibRepStr\r
- PeiMemoryLib\r
- DxeMemoryLib\r
-\r
-**/\r
-\r
-#include "MemLibInternals.h"\r
-\r
-/**\r
- Copies a source buffer to a destination buffer, and returns the destination buffer.\r
-\r
- This function copies Length bytes from SourceBuffer to DestinationBuffer, and returns\r
- DestinationBuffer. The implementation must be reentrant, and it must handle the case\r
- where SourceBuffer overlaps DestinationBuffer.\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
- @param DestinationBuffer Pointer to the destination buffer of the memory copy.\r
- @param SourceBuffer Pointer to the source buffer of the memory copy.\r
- @param Length Number of bytes to copy from SourceBuffer to DestinationBuffer.\r
-\r
- @return DestinationBuffer.\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-CopyMem (\r
- OUT VOID *DestinationBuffer,\r
- IN CONST VOID *SourceBuffer,\r
- IN UINTN Length\r
- )\r
-{\r
- if (Length == 0) {\r
- return DestinationBuffer;\r
- }\r
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer));\r
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer));\r
-\r
- if (DestinationBuffer == SourceBuffer) {\r
- return DestinationBuffer;\r
- }\r
- return InternalMemCopyMem (DestinationBuffer, SourceBuffer, Length);\r
-}\r