source: openpam/trunk/lib/openpam_free_envlist.c @ 289

Last change on this file since 289 was 289, checked in by Dag-Erling Smørgrav, 16 years ago

Add openpam_free_envlist(). I'm tired of freeing them by hand.

File size: 2.1 KB
Line 
1/*-
2 * Copyright (c) 2005 Dag-Erling Coïdan 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 *    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 * $P4: //depot/projects/openpam/lib/openpam_free_envlist.c#1 $
29 */
30
31#include <stdlib.h>
32
33#include <security/pam_appl.h>
34
35#include "openpam_impl.h"
36
37/*
38 * OpenPAM extension
39 *
40 * Free an environment list
41 */
42
43void
44openpam_free_envlist(char **envlist)
45{
46        char **env;
47
48        ENTER();
49        if (envlist == NULL)
50                RETURNV();
51        for (env = envlist; *env != NULL; ++env)
52                free(*env);
53        free(envlist);
54        RETURNV();
55}
56
57/*
58 * Error codes:
59 */
60
61/**
62 * The =openpam_free_envlist function is a convenience function which
63 * frees all the environment variables in an environment list, and the
64 * list itself.
65 * It is suitable for freeing the return value from =pam_getenvlist.
66 */
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