1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char const copyright[] =
36"@(#) Copyright (c) 1988, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)hostname.c 8.1 (Berkeley) 5/31/93";
43#endif
44static const char rcsid[] =
| 1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char const copyright[] =
36"@(#) Copyright (c) 1988, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)hostname.c 8.1 (Berkeley) 5/31/93";
43#endif
44static const char rcsid[] =
|
46#endif /* not lint */
47
48#include <sys/param.h>
49
50#include <err.h>
51#include <stdio.h>
52#include <stdlib.h>
53#include <string.h>
54#include <unistd.h>
55
56void usage __P((void));
57
58int
59main(argc,argv)
60 int argc;
61 char *argv[];
62{
63 int ch, sflag;
64 char *p, hostname[MAXHOSTNAMELEN];
65
66 sflag = 0;
67 while ((ch = getopt(argc, argv, "s")) != -1)
68 switch (ch) {
69 case 's':
70 sflag = 1;
71 break;
72 case '?':
73 default:
74 usage();
75 }
76 argc -= optind;
77 argv += optind;
78
79 if (argc > 1)
80 usage();
81
82 if (*argv) {
83 if (sethostname(*argv, strlen(*argv)))
84 err(1, "sethostname");
85 } else {
86 if (gethostname(hostname, sizeof(hostname)))
87 err(1, "gethostname");
88 if (sflag && (p = strchr(hostname, '.')))
89 *p = '\0';
90 (void)printf("%s\n", hostname);
91 }
92 exit(0);
93}
94
95void
96usage()
97{
98
99 (void)fprintf(stderr, "usage: hostname [-s] [name-of-host]\n");
100 exit(1);
101}
| 46#endif /* not lint */
47
48#include <sys/param.h>
49
50#include <err.h>
51#include <stdio.h>
52#include <stdlib.h>
53#include <string.h>
54#include <unistd.h>
55
56void usage __P((void));
57
58int
59main(argc,argv)
60 int argc;
61 char *argv[];
62{
63 int ch, sflag;
64 char *p, hostname[MAXHOSTNAMELEN];
65
66 sflag = 0;
67 while ((ch = getopt(argc, argv, "s")) != -1)
68 switch (ch) {
69 case 's':
70 sflag = 1;
71 break;
72 case '?':
73 default:
74 usage();
75 }
76 argc -= optind;
77 argv += optind;
78
79 if (argc > 1)
80 usage();
81
82 if (*argv) {
83 if (sethostname(*argv, strlen(*argv)))
84 err(1, "sethostname");
85 } else {
86 if (gethostname(hostname, sizeof(hostname)))
87 err(1, "gethostname");
88 if (sflag && (p = strchr(hostname, '.')))
89 *p = '\0';
90 (void)printf("%s\n", hostname);
91 }
92 exit(0);
93}
94
95void
96usage()
97{
98
99 (void)fprintf(stderr, "usage: hostname [-s] [name-of-host]\n");
100 exit(1);
101}
|