1 /* $NetBSD: dirname.c,v 1.11 2008/07/21 14:19:22 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1991, 1993, 1994\ 35 The Regents of the University of California. All rights reserved."); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95"; 41 #endif 42 __RCSID("$NetBSD: dirname.c,v 1.11 2008/07/21 14:19:22 lukem Exp $"); 43 #endif /* not lint */ 44 45 #include <err.h> 46 #include <libgen.h> 47 #include <locale.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <unistd.h> 51 52 static void usage(void); 53 54 int 55 main(int argc, char **argv) 56 { 57 char *p; 58 int ch; 59 60 setlocale(LC_ALL, ""); 61 62 while ((ch = getopt(argc, argv, "")) != -1) 63 switch (ch) { 64 case '?': 65 default: 66 usage(); 67 } 68 argc -= optind; 69 argv += optind; 70 71 if (argc != 1) 72 usage(); 73 74 if ((p = dirname(*argv)) == NULL) 75 err(1, "%s", *argv); 76 (void)printf("%s\n", p); 77 exit(0); 78 } 79 80 static void 81 usage(void) 82 { 83 84 (void)fprintf(stderr, "usage: dirname path\n"); 85 exit(1); 86 } 87