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); }