1 /*- 2 * Copyright (c) 2005-2011 Dag-Erling Smørgrav 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $OpenPAM: openpam_free_envlist.c 938 2017-04-30 21:34:42Z des $ 28 */ 29 30 #ifdef HAVE_CONFIG_H 31 # include "config.h" 32 #endif 33 34 #include <stdlib.h> 35 36 #include <security/pam_appl.h> 37 38 #include "openpam_impl.h" 39 40 /* 41 * OpenPAM extension 42 * 43 * Free an environment list 44 */ 45 46 void 47 openpam_free_envlist(char **envlist) 48 { 49 char **env; 50 51 ENTER(); 52 if (envlist == NULL) 53 RETURNV(); 54 for (env = envlist; *env != NULL; ++env) 55 FREE(*env); 56 FREE(envlist); 57 RETURNV(); 58 } 59 60 /* 61 * Error codes: 62 */ 63 64 /** 65 * The =openpam_free_envlist function is a convenience function which 66 * frees all the environment variables in an environment list, and the 67 * list itself. 68 * It is suitable for freeing the return value from =pam_getenvlist. 69 * 70 * AUTHOR DES 71 */ 72