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

   This program 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, 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 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, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Written by Simon Josefsson.  The interface was inspired by MHD_memxor
   in Niels Möller's Nettle. */

#ifndef MEMXOR_H
# define MEMXOR_H

#include <stddef.h>

/* 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 *MHD_memxor (void * dest, const void * src, size_t n);

#endif /* MEMXOR_H */