Mercurial > hg > octave-kai > gnulib-hg

annotate lib/memxor.c @ 10780:5c7a68d31801

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Add support for Haiku.
author Bruno Haible <bruno@clisp.org>
date Mon, 10 Nov 2008 12:37:32 +0100
parents a88f85e4728f
children b5e42ef33b49
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Simon Josefsson <simon@josefsson.org>
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1 /* memxor.c -- perform binary exclusive OR operation of two memory blocks.
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2 Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software Foundation,
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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17
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18 /* Written by Simon Josefsson. The interface was inspired by memxor
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19 in Niels Möller's Nettle. */
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20
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21 #include <config.h>
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22
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23 #include "memxor.h"
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24
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25 void *
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26 memxor (void *restrict dest, const void *restrict src, size_t n)
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27 {
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28 char const *s = src;
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29 char *d = dest;
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30
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31 for (; n > 0; n--)
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32 *d++ ^= *s++;
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33
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34 return dest;
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35 }