mirror of https://github.com/acidanthera/audk.git
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*++
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Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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EfiCopyMem.c
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Abstract:
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Implementation of the EfiCopyMem routine. This function is broken
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out into its own source file so that it can be excluded from a
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build for a particular platform easily if an optimized version
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is desired.
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--*/
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#include "Tiano.h"
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VOID
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EfiCommonLibCopyMem (
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IN VOID *Destination,
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IN VOID *Source,
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IN UINTN Length
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)
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/*++
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Routine Description:
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Copy Length bytes from Source to Destination.
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Arguments:
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Destination - Target of copy
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Source - Place to copy from
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Length - Number of bytes to copy
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Returns:
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None
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--*/
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{
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CHAR8 *Destination8;
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CHAR8 *Source8;
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if (Source < Destination) {
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Destination8 = (CHAR8 *) Destination + Length - 1;
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Source8 = (CHAR8 *) Source + Length - 1;
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while (Length--) {
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*(Destination8--) = *(Source8--);
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}
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} else {
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Destination8 = (CHAR8 *) Destination;
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Source8 = (CHAR8 *) Source;
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while (Length--) {
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*(Destination8++) = *(Source8++);
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}
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}
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}
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