dirname.c revision 65508
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1991, 1993, 1994 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 3. All advertising materials mentioning features or use of this software 141590Srgrimes * must display the following acknowledgement: 151590Srgrimes * This product includes software developed by the University of 161590Srgrimes * California, Berkeley and its contributors. 171590Srgrimes * 4. Neither the name of the University nor the names of its contributors 181590Srgrimes * may be used to endorse or promote products derived from this software 191590Srgrimes * without specific prior written permission. 201590Srgrimes * 211590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311590Srgrimes * SUCH DAMAGE. 3265414Sdes * 3365414Sdes * $FreeBSD: head/usr.bin/dirname/dirname.c 65508 2000-09-06 07:28:02Z des $ 341590Srgrimes */ 351590Srgrimes 361590Srgrimes#ifndef lint 3741568Sarchiestatic const char copyright[] = 381590Srgrimes"@(#) Copyright (c) 1991, 1993, 1994\n\ 391590Srgrimes The Regents of the University of California. All rights reserved.\n"; 401590Srgrimes#endif /* not lint */ 411590Srgrimes 421590Srgrimes#ifndef lint 4341568Sarchiestatic const char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95"; 441590Srgrimes#endif /* not lint */ 451590Srgrimes 4665508Sdes#include <err.h> 4765414Sdes#include <libgen.h> 481590Srgrimes#include <stdio.h> 4923693Speter#include <unistd.h> 501590Srgrimes 511590Srgrimesvoid usage __P((void)); 521590Srgrimes 531590Srgrimesint 541590Srgrimesmain(argc, argv) 551590Srgrimes int argc; 561590Srgrimes char **argv; 571590Srgrimes{ 5865508Sdes char *p; 591590Srgrimes int ch; 601590Srgrimes 6124360Simp while ((ch = getopt(argc, argv, "")) != -1) 621590Srgrimes switch(ch) { 631590Srgrimes case '?': 641590Srgrimes default: 651590Srgrimes usage(); 661590Srgrimes } 671590Srgrimes argc -= optind; 681590Srgrimes argv += optind; 691590Srgrimes 701590Srgrimes if (argc != 1) 711590Srgrimes usage(); 721590Srgrimes 7365508Sdes if ((p = dirname(*argv)) == NULL) 7465508Sdes err(1, "%s", *argv); 7565508Sdes (void)printf("%s\n", p); 761590Srgrimes exit(0); 771590Srgrimes} 781590Srgrimes 791590Srgrimesvoid 801590Srgrimesusage() 811590Srgrimes{ 821590Srgrimes 831590Srgrimes (void)fprintf(stderr, "usage: dirname path\n"); 841590Srgrimes exit(1); 851590Srgrimes} 86