1 /* $OpenBSD: dirname.c,v 1.5 2001/07/05 22:12:09 pjanzen Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com> 5 * 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. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 19 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 27 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef lint 31 static char rcsid[] = "$OpenBSD: dirname.c,v 1.5 2001/07/05 22:12:09 pjanzen Exp $"; 32 #endif /* not lint */ 33 34 #include <err.h> 35 #include <libgen.h> 36 #include <locale.h> 37 #include <stdio.h> 38 39 int 40 main(argc, argv) 41 int argc; 42 char **argv; 43 { 44 char *dir; 45 extern char *__progname; 46 47 setlocale(LC_ALL, ""); 48 49 if (argc != 2) { 50 (void)fprintf(stderr, "Usage: %s dirname\n", __progname); 51 exit(1); 52 } 53 54 if ((dir = dirname(argv[1])) == NULL) 55 err(1, NULL); 56 puts(dir); 57 exit(0); 58 } 59