/*
* 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 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include <sys/utsname.h>
#include <sys/systeminfo.h>
#include <unistd.h>
#include <stdlib.h>
#define HOSTIDLEN 40
long
gethostid(void)
{
char name[HOSTIDLEN], *end;
unsigned long hostid;
int error;
error = sysinfo(SI_HW_SERIAL, name, HOSTIDLEN);
/*
* error > 0 ==> number of bytes to hold name
* and is discarded since gethostid only
* cares if it succeeded or failed
*/
if (error == -1)
return (-1);
else {
hostid = strtoul(name, &end, 10);
if (hostid == 0 && end == name) {
return (-1);
}
return ((long) hostid);
}
}