1 /* $NetBSD: openpam_free_envlist.c,v 1.4 2023/06/30 21:46:20 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2005-2011 Dag-Erling Smørgrav
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #ifdef HAVE_CONFIG_H
31 # include "config.h"
32 #endif
33
34 #include <sys/cdefs.h>
35 __RCSID("$NetBSD: openpam_free_envlist.c,v 1.4 2023/06/30 21:46:20 christos Exp $");
36
37 #include <stdlib.h>
38
39 #include <security/pam_appl.h>
40
41 #include "openpam_impl.h"
42
43 /*
44 * OpenPAM extension
45 *
46 * Free an environment list
47 */
48
49 void
openpam_free_envlist(char ** envlist)50 openpam_free_envlist(char **envlist)
51 {
52 char **env;
53
54 ENTER();
55 if (envlist == NULL)
56 RETURNV();
57 for (env = envlist; *env != NULL; ++env)
58 FREE(*env);
59 FREE(envlist);
60 RETURNV();
61 }
62
63 /*
64 * Error codes:
65 */
66
67 /**
68 * The =openpam_free_envlist function is a convenience function which
69 * frees all the environment variables in an environment list, and the
70 * list itself.
71 * It is suitable for freeing the return value from =pam_getenvlist.
72 *
73 * AUTHOR DES
74 */
75