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/*++
Copyright (c) 2004, 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.
Module Name:
EfiCopyMem.c
Abstract:
Implementation of the EfiCopyMem routine. This function is broken
out into its own source file so that it can be excluded from a
build for a particular platform easily if an optimized version
is desired.
--*/
#include "Tiano.h"
VOID
EfiCommonLibCopyMem (
IN VOID *Destination,
IN VOID *Source,
IN UINTN Length
)
/*++
Routine Description:
Copy Length bytes from Source to Destination.
Arguments:
Destination - Target of copy
Source - Place to copy from
Length - Number of bytes to copy
Returns:
None
--*/
{
CHAR8 *Destination8;
CHAR8 *Source8;
if (Source < Destination) {
Destination8 = (CHAR8 *) Destination + Length - 1;
Source8 = (CHAR8 *) Source + Length - 1;
while (Length--) {
*(Destination8--) = *(Source8--);
}
} else {
Destination8 = (CHAR8 *) Destination;
Source8 = (CHAR8 *) Source;
while (Length--) {
*(Destination8++) = *(Source8++);
}
}
}
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