| /* Binary exclusive OR operation of two memory blocks. -*- coding: utf-8 -*- |
| Copyright (C) 2005-2006, 2009-2020 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, see <https://www.gnu.org/licenses/>. */ |
| |
| /* 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; |
| } |