Mercurial > gnulib
view lib/memxor.c @ 40057:b06060465f09
maint: Run 'make update-copyright'
author | Paul Eggert <eggert@cs.ucla.edu> |
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date | Tue, 01 Jan 2019 00:25:11 +0100 |
parents | 10eb9086bea0 |
children |
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/* Binary exclusive OR operation of two memory blocks. -*- coding: utf-8 -*- Copyright (C) 2005-2006, 2009-2019 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; }