/* $Id: free.c 710 2006-07-27 19:02:06Z bruce $ */ /* str/free.c - Free the storage allocated by a string * Copyright (C) 2001,2005 Bruce Guenter * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "str.h" /** Free a string's storage. * This function also sets all the members of the structure to zero. */ void str_free(str* s) { if (s->s) free(s->s); s->s = 0; s->len = 0; s->size = 0; } #ifdef SELFTEST_MAIN #include "selftest.c" MAIN { static str s; str_alloc(&s, 1, 0); debugstr(&s); str_free(&s); debugstr(&s); } #endif #ifdef SELFTEST_EXP len=0 size=16 s= len=0 size=0 s is NULL #endif