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 * 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
46void
47openpam_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