/*
* 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 (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
#include <sys/types.h>
#include <stdio.h>
#include <pwd.h>
#include <userdefs.h>
#include <users.h>
#include <sys/param.h>
#ifndef MAXUID
#include <limits.h>
#define MAXUID UID_MAX
#endif
struct passwd *getpwuid();
int
valid_uid( uid, pptr )
uid_t uid;
struct passwd **pptr;
{
register struct passwd *t_pptr;
if( uid <= 0 ) return( INVALID );
if( uid <= DEFRID ) {
if( pptr ) *pptr = getpwuid( uid );
return( RESERVED );
}
if( uid > MAXUID ) return( TOOBIG );
if( t_pptr = getpwuid( uid ) ) {
if( pptr ) *pptr = t_pptr;
return( NOTUNIQUE );
}
return( UNIQUE );
}