xref: /titanic_44/usr/src/lib/libnsl/rpc/gethostname.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
27 /* All Rights Reserved */
28 /*
29  * Portions of this source code were derived from Berkeley
30  * 4.3 BSD under license from the Regents of the University of
31  * California.
32  */
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"
35 
36 #include <sys/utsname.h>
37 #include <sys/types.h>
38 #include <rpc/trace.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(hname, hlen)
50 	char *hname;
51 	int hlen;
52 {
53 	struct utsname u;
54 
55 	trace2(TR_gethostname, 0, hlen);
56 #if defined(__i386) && !defined(__amd64)
57 	if (_nuname(&u) < 0) {
58 #else
59 	if (_uname(&u) < 0) {
60 #endif /* __i386 */
61 		trace1(TR_gethostname, 1);
62 		return (-1);
63 	}
64 	strncpy(hname, u.nodename, hlen);
65 	trace1(TR_gethostname, 1);
66 	return (0);
67 }
68