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/*
* Copyright (c) 2003-2005, 2007 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <config.h>
#include <compat.h>
#ifndef lint
__unused static const char rcsid[] = "$Sudo: zero_bytes.c,v 1.7 2008/11/09 14:13:12 millert Exp $";
#endif /* lint */
/*
* Like bzero(3) but with a volatile pointer. The hope is that
* the compiler will not be able to optimize away this function.
*/
void
zero_bytes(v, n)
volatile void *v;
size_t n;
{
volatile char *p, *ep;
for (p = v, ep = p + n; p < ep; p++)
*p = 0;
return;
}
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