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
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31
32 #include <stdlib.h>
33
34 #include <security/pam_appl.h>
35
36 #include "openpam_impl.h"
37
38 /*
39 * OpenPAM extension
40 *
41 * Free an environment list
42 */
43
44 void
openpam_free_envlist(char ** envlist)45 openpam_free_envlist(char **envlist)
46 {
47 char **env;
48
49 ENTER();
50 if (envlist == NULL)
51 RETURNV();
52 for (env = envlist; *env != NULL; ++env)
53 FREE(*env);
54 FREE(envlist);
55 RETURNV();
56 }
57
58 /*
59 * Error codes:
60 */
61
62 /**
63 * The =openpam_free_envlist function is a convenience function which
64 * frees all the environment variables in an environment list, and the
65 * list itself.
66 * It is suitable for freeing the return value from =pam_getenvlist.
67 *
68 * AUTHOR DES
69 */
70