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/* memxor.c -- perform binary exclusive OR operation of two memory blocks.
Copyright (C) 2005, 2006, 2009 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 2, 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, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Simon Josefsson. The interface was inspired by memxor
in Niels Möller's Nettle. */
#include <config.h>
#include "memxor.h"
void *
memxor (void *restrict dest, const void *restrict src, size_t n)
{
char const *s = src;
char *d = dest;
for (; n > 0; n--)
*d++ ^= *s++;
return dest;
}
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