Mercurial > hg-old > index.cgi
view lib/strndup.c @ 425:67815606c5d9 3.0-beta2
Prevent NULL deref in lw_expr_destroy
author | lost@l-w.ca |
---|---|
date | Sun, 19 Sep 2010 10:27:47 -0600 |
parents | 3c2e1f24cc7d |
children |
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/* A replacement function, for systems that lack strndup. Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2005, 2006, 2007, 2009, 2010 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 3, 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. */ #include <config.h> #include <string.h> #include <stdlib.h> char * strndup (char const *s, size_t n) { size_t len = strnlen (s, n); char *new = malloc (len + 1); if (new == NULL) return NULL; new[len] = '\0'; return memcpy (new, s, len); }