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/* -*- c++ -*- */
/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "memcpy_wa.h"
#include <stdint.h>
#include <stdlib.h>
/*
* For copying to/from non-byte-adressable memory, such as
* the buffers. dst, src, and nbytes must all satisfy (x % 4 == 0)
*/
void
memcpy_wa(void *dst, const void *src, size_t nbytes)
{
if (((intptr_t) dst & 0x3)
|| ((intptr_t) src & 0x3)
|| (nbytes & 0x3))
exit(1); /* die! */
int *dp = (int *) dst;
int *sp = (int *) src;
unsigned nw = nbytes/4;
unsigned i;
for (i = 0; i < nw; i++)
dp[i] = sp[i];
}
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