xref: /illumos-gate/usr/src/lib/libnsl/rpc/gethostname.c (revision 814a60b13c0ad90e5d2edfd29a7a84bbf416cc1a)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 
23 /*
24  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29 /*
30  * Portions of this source code were derived from Berkeley
31  * 4.3 BSD under license from the Regents of the University of
32  * California.
33  */
34 
35 #pragma ident	"%Z%%M%	%I%	%E% SMI"
36 
37 #include <sys/utsname.h>
38 #include <sys/types.h>
39 #include <string.h>
40 
41 #ifndef i386
42 extern int _uname();
43 #endif
44 
45 /*
46  * gethostname bsd compatibility
47  */
48 int
49 gethostname(char *hname, int hlen)
50 {
51 	struct utsname u;
52 
53 #if defined(__i386) && !defined(__amd64)
54 	if (_nuname(&u) < 0) {
55 #else
56 	if (_uname(&u) < 0) {
57 #endif /* __i386 */
58 		return (-1);
59 	}
60 	(void) strncpy(hname, u.nodename, hlen);
61 	return (0);
62 }
63