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/*
 * get_tmp_dir.c
 *
 * Util functions.
 *
 * Copyright 1999-2008 Gentoo Foundation
 * Licensed under the GPL-2
 *
 * Some parts might have Copyright:
 *   Copyright (C) 2002 Brad House <brad@mainstreetsoftworks.com>
 */

#include <errno.h>
#include <limits.h>
#include <stdlib.h>

#include "sbutil.h"

int get_tmp_dir(char *path)
{
	save_errno();

	if (NULL == realpath(getenv(ENV_TMPDIR) ? getenv(ENV_TMPDIR)
					      : TMPDIR,
				path)) {
		if (NULL == realpath(TMPDIR, path))
			return -1;
	}

	/* Reset errno in case realpath set it */
	restore_errno();

	return 0;
}