35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* Binary exclusive OR operation of two memory blocks. -*- coding: utf-8 -*-
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Copyright (C) 2005-2006, 2009-2024 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Simon Josefsson. The interface was inspired by memxor
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in Niels Möller's Nettle. */
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#include <config.h>
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#include "memxor.h"
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void *
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memxor (void *restrict dest, const void *restrict src, size_t n)
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{
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char const *s = src;
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char *d = dest;
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for (; n > 0; n--)
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*d++ ^= *s++;
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return dest;
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}
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