1139969Simp/*- 22862Swollman * Copyright (c) 1988, 1993 32862Swollman * The Regents of the University of California. All rights reserved. 42862Swollman * 52862Swollman * Redistribution and use in source and binary forms, with or without 62862Swollman * modification, are permitted provided that the following conditions 72862Swollman * are met: 82862Swollman * 1. Redistributions of source code must retain the above copyright 92862Swollman * notice, this list of conditions and the following disclaimer. 102862Swollman * 2. Redistributions in binary form must reproduce the above copyright 112862Swollman * notice, this list of conditions and the following disclaimer in the 122862Swollman * documentation and/or other materials provided with the distribution. 132862Swollman * 4. Neither the name of the University nor the names of its contributors 142862Swollman * may be used to endorse or promote products derived from this software 152862Swollman * without specific prior written permission. 162862Swollman * 172862Swollman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 182862Swollman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 192862Swollman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 202862Swollman * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 212862Swollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 222862Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 232862Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 242862Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 252862Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 262862Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 272862Swollman * SUCH DAMAGE. 282862Swollman */ 292862Swollman 30114433Sobrien#if 0 312862Swollman#ifndef lint 3220420Sstevestatic char const copyright[] = 332862Swollman"@(#) Copyright (c) 1988, 1993\n\ 342862Swollman The Regents of the University of California. All rights reserved.\n"; 352862Swollman#endif /* not lint */ 362862Swollman 372862Swollman#ifndef lint 3820420Sstevestatic char const sccsid[] = "From: @(#)hostname.c 8.1 (Berkeley) 5/31/93"; 39114433Sobrien#endif /* not lint */ 4036009Scharnier#endif 4199109Sobrien#include <sys/cdefs.h> 4299109Sobrien__FBSDID("$FreeBSD$"); 432862Swollman 442862Swollman#include <sys/param.h> 452862Swollman 462862Swollman#include <err.h> 472862Swollman#include <stdio.h> 482862Swollman#include <stdlib.h> 492862Swollman#include <string.h> 502862Swollman#include <unistd.h> 512862Swollman 5290108Simpstatic void usage(void); 5326402Scharnier 542862Swollmanint 5590108Simpmain(int argc, char *argv[]) 562862Swollman{ 5726402Scharnier int ch; 587165Sjoerg char domainname[MAXHOSTNAMELEN]; 592862Swollman 6026402Scharnier while ((ch = getopt(argc, argv, "")) != -1) 6126402Scharnier switch (ch) { 6291080Smarkm case '?': 6391080Smarkm /* fall through */ 6426402Scharnier default: 6526402Scharnier usage(); 6626402Scharnier } 6726402Scharnier argc -= optind; 6826402Scharnier argv += optind; 692862Swollman 7026402Scharnier if (argc > 1) 7126402Scharnier usage(); 7226402Scharnier 732862Swollman if (*argv) { 7476874Skris if (setdomainname(*argv, (int)strlen(*argv))) 752862Swollman err(1, "setdomainname"); 762862Swollman } else { 7776874Skris if (getdomainname(domainname, (int)sizeof(domainname))) 782862Swollman err(1, "getdomainname"); 792862Swollman (void)printf("%s\n", domainname); 802862Swollman } 812862Swollman exit(0); 822862Swollman} 8326402Scharnier 8490108Simpstatic void 8590108Simpusage(void) 8626402Scharnier{ 8726434Scharnier (void)fprintf(stderr, "usage: domainname [ypdomain]\n"); 8826402Scharnier exit(1); 8926402Scharnier} 90