/*
 * 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   */

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *      namtouid converts login names to uids
 *      maintains ulist for speed only
 */
#include <stdio.h>
#include <sys/types.h>
#include "acctdef.h"
#include <pwd.h>
static int      usize;
static struct ulist {
        char    uname[NSZ];
        uid_t   uuid;
} ul[A_USIZE];
char    ntmp[NSZ+1];

char    *strncpy();

uid_t
namtouid(name)
char    name[NSZ];
{
        register struct ulist *up;
        register uid_t tuid;
        struct passwd *getpwnam(), *pp;

        for (up = ul; up < &ul[usize]; up++)
                if (strncmp(name, up->uname, NSZ) == 0)
                        return(up->uuid);
        strncpy(ntmp, name, NSZ);
        (void) setpwent();
        if ((pp = getpwnam(ntmp)) == NULL)
                tuid = -1;
        else {
                tuid = pp->pw_uid;
                if (usize < A_USIZE) {
                        CPYN(up->uname, name);
                        up->uuid = tuid;
                        usize++;
                }
        }
        return(tuid);
}