xref: /illumos-gate/usr/src/lib/libnsl/rpc/gethostname.c (revision 7c478bd9)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
 * Portions of this source code were derived from Berkeley
 * 4.3 BSD under license from the Regents of the University of
 * California.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/utsname.h>
#include <sys/types.h>
#include <rpc/trace.h>
#include <string.h>

#ifndef i386
extern int _uname();
#endif

/*
 * gethostname bsd compatibility
 */
int
gethostname(hname, hlen)
	char *hname;
	int hlen;
{
	struct utsname u;

	trace2(TR_gethostname, 0, hlen);
#if defined(__i386) && !defined(__amd64)
	if (_nuname(&u) < 0) {
#else
	if (_uname(&u) < 0) {
#endif /* __i386 */
		trace1(TR_gethostname, 1);
		return (-1);
	}
	strncpy(hname, u.nodename, hlen);
	trace1(TR_gethostname, 1);
	return (0);
}