lib/memxor.h

/* memxor.h -- perform binary exclusive OR operation on memory blocks.
   Copyright (C) 2005, 2009-2026 Free Software Foundation, Inc.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   This file 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser 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. */

#ifndef MEMXOR_H
#define MEMXOR_H

#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif


/* Compute binary exclusive OR of memory areas DEST and SRC, putting
   the result in DEST, of length N bytes.  Returns a pointer to
   DEST. */
void *memxor (void *restrict dest, const void *restrict src, size_t n);


#ifdef __cplusplus
}
#endif

#endif /* MEMXOR_H */

/*
 * Hey Emacs!
 * Local Variables:
 * coding: utf-8
 * End:
 */