/* memxor.c -- perform binary exclusive OR operation of two memory blocks.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005-2006, 2009-2014 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
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. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
/* Written by Simon Josefsson. The interface was inspired by memxor
in Niels Möller's Nettle. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#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++ ^= *src++;
+ *d++ ^= *s++;
return dest;
}