gethostname.c revision 1219:f89f56c2d9ac 
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 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
29/* All Rights Reserved */
30/*
31 * Portions of this source code were derived from Berkeley
32 * 4.3 BSD under license from the Regents of the University of
33 * California.
34 */
35
36#pragma ident	"%Z%%M%	%I%	%E% SMI"
37
38#include "mt.h"
39#include <sys/utsname.h>
40#include <sys/types.h>
41#include <string.h>
42
43/*
44 * gethostname bsd compatibility
45 */
46int
47gethostname(char *hname, int hlen)
48{
49	struct utsname u;
50
51#if defined(__i386) && !defined(__amd64)
52	if (_nuname(&u) < 0) {
53#else
54	if (_uname(&u) < 0) {
55#endif /* __i386 */
56		return (-1);
57	}
58	(void) strncpy(hname, u.nodename, hlen);
59	return (0);
60}
61