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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
#include "stdio.h"
#include "string.h"
#include "errno.h"
#include "sys/types.h"
#include <syslog.h>
#include "lp.h"
#include "class.h"
/**
** getclass() - READ CLASS FROM TO DISK
**/
CLASS *
getclass(char *name)
{
static long lastdir = -1;
CLASS *clsp;
char *file,
buf[BUFSIZ];
int fd;
syslog(LOG_DEBUG, "getclass(%s)", name ? name : "");
if (!name || !*name) {
errno = EINVAL;
return (0);
}
/*
* Getting ``all''? If so, jump into the directory
* wherever we left off.
*/
if (STREQU(NAME_ALL, name)) {
if (!(name = next_file(Lp_A_Classes, &lastdir)))
return (0);
} else
lastdir = -1;
/*
* Get the class list.
*/
if (!(file = getclassfile(name)))
return (0);
if ((fd = open_locked(file, "r", 0)) < 0) {
Free (file);
return (0);
}
Free (file);
clsp = (CLASS *)calloc(sizeof (*clsp), 1);
if (!(clsp->name = Strdup(name))) {
Free (clsp);
close(fd);
errno = ENOMEM;
return (0);
}
clsp->members = 0;
errno = 0;
while (fdgets(buf, BUFSIZ, fd)) {
buf[strlen(buf) - 1] = 0;
addlist (&clsp->members, buf);
}
if (errno != 0) {
int save_errno = errno;
freelist (clsp->members);
Free (clsp->name);
Free (clsp);
close(fd);
errno = save_errno;
return (0);
}
close(fd);
if (!clsp->members) {
Free (clsp->name);
Free (clsp);
errno = EBADF;
return (0);
}
return (clsp);
}
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