1*007a7cf0Sjoerg /* $NetBSD: domainname.c,v 1.15 2011/08/29 14:51:18 joerg Exp $ */
249f0ad86Scgd
3139ddf46Scgd /*
45b20b0d3Smycroft * Copyright (c) 1988, 1993
55b20b0d3Smycroft * The Regents of the University of California. All rights reserved.
6139ddf46Scgd *
7139ddf46Scgd * Redistribution and use in source and binary forms, with or without
8139ddf46Scgd * modification, are permitted provided that the following conditions
9139ddf46Scgd * are met:
10139ddf46Scgd * 1. Redistributions of source code must retain the above copyright
11139ddf46Scgd * notice, this list of conditions and the following disclaimer.
12139ddf46Scgd * 2. Redistributions in binary form must reproduce the above copyright
13139ddf46Scgd * notice, this list of conditions and the following disclaimer in the
14139ddf46Scgd * documentation and/or other materials provided with the distribution.
15b5b29542Sagc * 3. Neither the name of the University nor the names of its contributors
165b20b0d3Smycroft * may be used to endorse or promote products derived from this software
175b20b0d3Smycroft * without specific prior written permission.
18139ddf46Scgd *
195b20b0d3Smycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
205b20b0d3Smycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
215b20b0d3Smycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
225b20b0d3Smycroft * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
235b20b0d3Smycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24139ddf46Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25139ddf46Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26139ddf46Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27139ddf46Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28139ddf46Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29139ddf46Scgd * SUCH DAMAGE.
30139ddf46Scgd */
31139ddf46Scgd
32f1def730Sthorpej #include <sys/cdefs.h>
33970b8a1dSmycroft #ifndef lint
342fe2731dSlukem __COPYRIGHT("@(#) Copyright (c) 1988, 1993\
352fe2731dSlukem The Regents of the University of California. All rights reserved.");
36970b8a1dSmycroft #endif /* not lint */
37970b8a1dSmycroft
385b20b0d3Smycroft #ifndef lint
3949f0ad86Scgd #if 0
4049f0ad86Scgd static char sccsid[] = "@(#)hostname.c 8.1 (Berkeley) 5/31/93";
4149f0ad86Scgd #else
42*007a7cf0Sjoerg __RCSID("$NetBSD: domainname.c,v 1.15 2011/08/29 14:51:18 joerg Exp $");
4349f0ad86Scgd #endif
445b20b0d3Smycroft #endif /* not lint */
455b20b0d3Smycroft
465b20b0d3Smycroft #include <sys/param.h>
475b20b0d3Smycroft
485b20b0d3Smycroft #include <err.h>
49355265a8Sderaadt #include <stdio.h>
500eee1ab6Sjtc #include <stdlib.h>
510eee1ab6Sjtc #include <string.h>
520eee1ab6Sjtc #include <unistd.h>
530eee1ab6Sjtc
54*007a7cf0Sjoerg __dead static void usage(void);
55355265a8Sderaadt
565b20b0d3Smycroft int
main(int argc,char * argv[])57f6f484b3Skleink main(int argc, char *argv[])
58355265a8Sderaadt {
595b20b0d3Smycroft int ch;
605b20b0d3Smycroft char domainname[MAXHOSTNAMELEN];
61355265a8Sderaadt
62f6f484b3Skleink setprogname(argv[0]);
63f6f484b3Skleink
64f6f484b3Skleink while ((ch = getopt(argc, argv, "")) != -1) {
655b20b0d3Smycroft switch (ch) {
665b20b0d3Smycroft case '?':
675b20b0d3Smycroft default:
680eee1ab6Sjtc usage();
69f6f484b3Skleink /* NOTREACHED */
70f6f484b3Skleink }
71355265a8Sderaadt }
725b20b0d3Smycroft argc -= optind;
735b20b0d3Smycroft argv += optind;
740eee1ab6Sjtc
755b20b0d3Smycroft if (argc > 1)
765b20b0d3Smycroft usage();
775b20b0d3Smycroft
785b20b0d3Smycroft if (*argv) {
791381f684Smycroft if (setdomainname(*argv, strlen(*argv)))
805b20b0d3Smycroft err(1, "setdomainname");
810eee1ab6Sjtc } else {
825b20b0d3Smycroft if (getdomainname(domainname, sizeof(domainname)))
835b20b0d3Smycroft err(1, "getdomainname");
845b20b0d3Smycroft (void)printf("%s\n", domainname);
85355265a8Sderaadt }
86f6f484b3Skleink exit(EXIT_SUCCESS);
87bad15fd3Scgd /* NOTREACHED */
88355265a8Sderaadt }
89355265a8Sderaadt
90f6f484b3Skleink static void
usage(void)91f6f484b3Skleink usage(void)
920eee1ab6Sjtc {
93f6f484b3Skleink (void)fprintf(stderr, "usage: %s [name-of-domain]\n", getprogname());
94f6f484b3Skleink exit(EXIT_FAILURE);
950eee1ab6Sjtc }
96