lib/memxor.h

   1 /* memxor.h -- perform binary exclusive OR operation on memory blocks.
   2    Copyright (C) 2005, 2009-2020 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Simon Josefsson.  The interface was inspired by memxor
  18    in Niels Möller's Nettle. */
  19
  20 #ifndef MEMXOR_H
  21 # define MEMXOR_H
  22
  23 #include <stddef.h>
  24
  25 /* Compute binary exclusive OR of memory areas DEST and SRC, putting
  26    the result in DEST, of length N bytes.  Returns a pointer to
  27    DEST. */
  28 void *memxor (void *restrict dest, const void *restrict src, size_t n);
  29
  30 #endif /* MEMXOR_H */
  31
  32 /*
  33  * Hey Emacs!
  34  * Local Variables:
  35  * coding: utf-8
  36  * End:
  37  */