1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 *	Return pointer to the last element of a pathname.
34 */
35
36#pragma weak _basename = basename
37
38#include "lint.h"
39#include <libgen.h>
40#include <string.h>
41#include <sys/types.h>
42
43char *
44basename(char *s)
45{
46	char	*p;
47
48	if (!s || !*s)			/* zero or empty argument */
49		return (".");
50
51	p = s + strlen(s);
52	while (p != s && *--p == '/')	/* skip trailing /s */
53		*p = '\0';
54
55	if (p == s && *p == '\0')		/* all slashes */
56		return ("/");
57
58	while (p != s)
59		if (*--p == '/')
60			return (++p);
61
62	return (p);
63}
64