1 /* memxor.h -- perform binary exclusive OR operation on memory blocks. 2 Copyright (C) 2005, 2009-2021 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 Lesser General Public License as published by 6 the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser 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 */ 38