/*
* 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.
*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.6 */
/*
* convert uid to login name; interface to getpwuid that keeps up to USIZE1
* names to avoid unnecessary accesses to passwd file
* returns ptr to NSZ-byte name (not necessarily null-terminated)
* returns ptr to "?" if cannot convert
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include "acctdef.h"
#include <pwd.h>
static int usize1;
static struct ulist {
char uname[NSZ];
uid_t uuid;
} ul[USIZE1];
char *strncpy();
char *
uidtonam(uid)
uid_t uid;
{
register struct ulist *up;
struct passwd *getpwuid();
register struct passwd *pp;
for (up = ul; up < &ul[usize1]; up++)
if (uid == up->uuid)
return(up->uname);
setpwent();
if ((pp = getpwuid(uid)) == NULL)
return("?");
else {
if (usize1 < USIZE1) {
up->uuid = uid;
CPYN(up->uname, pp->pw_name);
usize1++;
}
return(pp->pw_name);
}
}