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