openpam_free_envlist.c revision 228690
1/*- 2 * Copyright (c) 2005-2011 Dag-Erling Sm��rgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: openpam_free_envlist.c 447 2011-10-22 02:47:36Z des $ 29 */ 30 31#ifdef HAVE_CONFIG_H 32# include "config.h" 33#endif 34 35#include <stdlib.h> 36 37#include <security/pam_appl.h> 38 39#include "openpam_impl.h" 40 41/* 42 * OpenPAM extension 43 * 44 * Free an environment list 45 */ 46 47void 48openpam_free_envlist(char **envlist) 49{ 50 char **env; 51 52 ENTER(); 53 if (envlist == NULL) 54 RETURNV(); 55 for (env = envlist; *env != NULL; ++env) 56 FREE(*env); 57 FREE(envlist); 58 RETURNV(); 59} 60 61/* 62 * Error codes: 63 */ 64 65/** 66 * The =openpam_free_envlist function is a convenience function which 67 * frees all the environment variables in an environment list, and the 68 * list itself. 69 * It is suitable for freeing the return value from =pam_getenvlist. 70 * 71 * AUTHOR DES 72 */ 73