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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Michael Sevakis
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include <string.h>
#include <inttypes.h>
void memswap128(void *a, void *b, size_t len)
{
for (len >>= 4; len > 0; len--, a += 16, b += 16)
{
int32_t a0 = *((int32_t *)a + 0);
int32_t a1 = *((int32_t *)a + 1);
int32_t a2 = *((int32_t *)a + 2);
int32_t a3 = *((int32_t *)a + 3);
int32_t b0 = *((int32_t *)b + 0);
int32_t b1 = *((int32_t *)b + 1);
int32_t b2 = *((int32_t *)b + 2);
int32_t b3 = *((int32_t *)b + 3);
*((int32_t *)b + 0) = a0;
*((int32_t *)b + 1) = a1;
*((int32_t *)b + 2) = a2;
*((int32_t *)b + 3) = a3;
*((int32_t *)a + 0) = b0;
*((int32_t *)a + 1) = b1;
*((int32_t *)a + 2) = b2;
*((int32_t *)a + 3) = b3;
}
}
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