diff options
Diffstat (limited to 'gnulib/lib/memxor.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/memxor.c | 35 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/memxor.c b/gnulib/lib/memxor.c new file mode 100644 index 0000000..199bccd --- /dev/null +++ b/gnulib/lib/memxor.c @@ -0,0 +1,35 @@ +/* memxor.c -- perform binary exclusive OR operation of two memory blocks. + Copyright (C) 2005-2006, 2009-2011 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, 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 General Public License for more details. + + You should have received a copy of the GNU 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 memxor + in Niels Möller's Nettle. */ + +#include <config.h> + +#include "memxor.h" + +void * +memxor (void *restrict dest, const void *restrict src, size_t n) +{ + char const *s = src; + char *d = dest; + + for (; n > 0; n--) + *d++ ^= *s++; + + return dest; +} |