1/* vi: set sw=4 ts=4: */
2/*
3 * Mini basename implementation for busybox
4 *
5 * Copyright (C) 1999,2000,2001 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24/* getopt not needed */
25
26#include <stdlib.h>
27#include "busybox.h"
28#include <string.h>
29
30extern int basename_main(int argc, char **argv)
31{
32	int m, n;
33	char *s;
34
35	if ((argc < 2) || (**(argv + 1) == '-')) {
36		show_usage();
37	}
38
39	argv++;
40
41	s = get_last_path_component(*argv);
42
43	if (argc>2) {
44		argv++;
45		n = strlen(*argv);
46		m = strlen(s);
47		if (m>=n && strncmp(s+m-n, *argv, n)==0)
48			s[m-n] = '\0';
49	}
50	puts(s);
51	return EXIT_SUCCESS;
52}
53