NetBSD/dist/openpam/lib/openpam_free_envlist.c

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2005-02-26 23:44:47 +03:00
/*-
* Copyright (c) 2005 Dag-Erling Co<EFBFBD>dan Sm<EFBFBD>rgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $P4: //depot/projects/openpam/lib/openpam_free_envlist.c#2 $
*/
#include <stdlib.h>
#include <security/pam_appl.h>
#include "openpam_impl.h"
/*
* OpenPAM extension
*
* Free an environment list
*/
void
openpam_free_envlist(char **envlist)
{
char **env;
ENTER();
if (envlist == NULL)
RETURNV();
for (env = envlist; *env != NULL; ++env)
FREE(*env);
FREE(envlist);
RETURNV();
}
/*
* Error codes:
*/
/**
* The =openpam_free_envlist function is a convenience function which
* frees all the environment variables in an environment list, and the
* list itself.
* It is suitable for freeing the return value from =pam_getenvlist.
*/