Mercurial > gnulib
view lib/memset.c @ 40211:5f58d2ac35ea
unistr/u8-cmp: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u8-cmp.c (u8_cmp): Don't invoke memcmp if n is zero.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 08 Mar 2019 20:38:22 +0100 |
parents | b06060465f09 |
children |
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/* memset.c -- set an area of memory to a given value Copyright (C) 1991, 2003, 2009-2019 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, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include <stddef.h> void * memset (void *str, int c, size_t len) { register char *st = str; while (len-- > 0) *st++ = c; return str; }