blob: e98197dd420241c3c356b4a47efaac4e1937e102 [file] [log] [blame]
Erik Andersen42387e42000-02-21 17:27:17 +00001/* vi: set sw=4 ts=4: */
2/*
3 * Mini basename implementation for busybox
4 *
Eric Andersen8ec10a92001-01-27 09:33:39 +00005 * Copyright (C) 1999,2000,2001 by Lineo, inc.
Erik Andersen42387e42000-02-21 17:27:17 +00006 * 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
Mark Whitley827e45c2001-03-09 23:59:51 +000024/* getopt not needed */
25
Eric Andersened3ef502001-01-27 08:24:39 +000026#include <stdlib.h>
Eric Andersencbe31da2001-02-20 06:14:08 +000027#include "busybox.h"
Eric Andersened3ef502001-01-27 08:24:39 +000028#include <string.h>
Erik Andersen42387e42000-02-21 17:27:17 +000029
30extern int basename_main(int argc, char **argv)
31{
Erik Andersenac130e12000-05-10 05:00:31 +000032 int m, n;
Eric Andersena0053732000-07-10 20:08:09 +000033 char *s;
Erik Andersen42387e42000-02-21 17:27:17 +000034
35 if ((argc < 2) || (**(argv + 1) == '-')) {
Eric Andersen67991cf2001-02-14 21:23:06 +000036 show_usage();
Erik Andersen42387e42000-02-21 17:27:17 +000037 }
Erik Andersen330fd2b2000-05-19 05:35:19 +000038
Erik Andersen42387e42000-02-21 17:27:17 +000039 argv++;
40
Eric Andersen0b4551f2000-07-10 16:44:03 +000041 s = get_last_path_component(*argv);
Erik Andersenac130e12000-05-10 05:00:31 +000042
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 printf("%s\n", s);
Matt Kraai3e856ce2000-12-01 02:55:13 +000051 return EXIT_SUCCESS;
Erik Andersen42387e42000-02-21 17:27:17 +000052}