dirname.c revision 100822
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. 321590Srgrimes */ 331590Srgrimes 341590Srgrimes#ifndef lint 3541568Sarchiestatic const char copyright[] = 361590Srgrimes"@(#) Copyright (c) 1991, 1993, 1994\n\ 371590Srgrimes The Regents of the University of California. All rights reserved.\n"; 381590Srgrimes#endif /* not lint */ 391590Srgrimes 401590Srgrimes#ifndef lint 4141568Sarchiestatic const char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95"; 421590Srgrimes#endif /* not lint */ 4399112Sobrien#include <sys/cdefs.h> 4499112Sobrien__FBSDID("$FreeBSD: head/usr.bin/dirname/dirname.c 100822 2002-07-28 15:50:38Z dwmalone $"); 451590Srgrimes 4665508Sdes#include <err.h> 4765414Sdes#include <libgen.h> 481590Srgrimes#include <stdio.h> 4978717Sdd#include <stdlib.h> 5023693Speter#include <unistd.h> 511590Srgrimes 5292920Simpvoid usage(void); 531590Srgrimes 541590Srgrimesint 55100822Sdwmalonemain(int argc, char **argv) 561590Srgrimes{ 5765508Sdes char *p; 581590Srgrimes int ch; 591590Srgrimes 6024360Simp while ((ch = getopt(argc, argv, "")) != -1) 611590Srgrimes switch(ch) { 621590Srgrimes case '?': 631590Srgrimes default: 641590Srgrimes usage(); 651590Srgrimes } 661590Srgrimes argc -= optind; 671590Srgrimes argv += optind; 681590Srgrimes 691590Srgrimes if (argc != 1) 701590Srgrimes usage(); 711590Srgrimes 7265508Sdes if ((p = dirname(*argv)) == NULL) 7365508Sdes err(1, "%s", *argv); 7465508Sdes (void)printf("%s\n", p); 751590Srgrimes exit(0); 761590Srgrimes} 771590Srgrimes 781590Srgrimesvoid 79100822Sdwmaloneusage(void) 801590Srgrimes{ 811590Srgrimes 821590Srgrimes (void)fprintf(stderr, "usage: dirname path\n"); 831590Srgrimes exit(1); 841590Srgrimes} 85