/*
 * Copyright (C) 2015 Canonical Ltd
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "cleanup-funcs.h"

#include <mntent.h>
#include <unistd.h>

void sc_cleanup_string(char **ptr)
{
	if (ptr != NULL && *ptr != NULL) {
		free(*ptr);
		*ptr = NULL;
	}
}

void sc_cleanup_shallow_strv(const char ***ptr)
{
	if (ptr != NULL && *ptr != NULL) {
		free(*ptr);
		*ptr = NULL;
	}
}

void sc_cleanup_file(FILE ** ptr)
{
	if (ptr != NULL && *ptr != NULL) {
		fclose(*ptr);
		*ptr = NULL;
	}
}

void sc_cleanup_endmntent(FILE ** ptr)
{
	if (ptr != NULL && *ptr != NULL) {
		endmntent(*ptr);
		*ptr = NULL;
	}
}

void sc_cleanup_closedir(DIR ** ptr)
{
	if (ptr != NULL && *ptr != NULL) {
		closedir(*ptr);
		*ptr = NULL;
	}
}

void sc_cleanup_close(int *ptr)
{
	if (ptr != NULL && *ptr != -1) {
		close(*ptr);
		*ptr = -1;
	}
}
