getsystem.c revision e2738c5e21a9e5d9a6525e48af4738deda3df455
/*
* 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 1994 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" /* SVr4.0 1.4 */
/* LINTLIBRARY */
# include <stdio.h>
# include <string.h>
# include <errno.h>
# include <stdlib.h>
# include "lp.h"
# include "systems.h"
# define SEPCHARS ":\n"
/**
** getsystem() - EXTRACT SYSTEM STRUCTURE FROM DISK FILE
**/
#if defined(__STDC__)
SYSTEM * getsystem ( const char * name )
#else
SYSTEM * getsystem ( name )
char *name;
#endif
{
static FILE *fp;
static int all = 0;
static SYSTEM sysbuf;
char *cp;
char buf[BUFSIZ];
if (STREQU(name, NAME_ALL))
{
if (all == 0)
{
all = 1;
if ((fp = open_lpfile(Lp_NetData, "r", MODE_READ)) == NULL)
return(NULL);
}
}
else
if (all == 1)
{
all = 0;
(void) rewind(fp);
}
else
if ((fp = open_lpfile(Lp_NetData, "r", MODE_READ)) == NULL)
return(NULL);
(void) memset (&sysbuf, 0, sizeof (sysbuf));
while(fgets(buf, BUFSIZ, fp) != NULL)
{
if (*buf == '#')
continue;
if ((cp = strtok(buf, SEPCHARS)) == NULL)
continue;
if (!all && STREQU(name, cp) == 0)
continue;
sysbuf.name = Strdup(cp);
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
all = 0;
(void) close_lpfile(fp);
errno = EBADF;
return(NULL);
}
sysbuf.passwd = NULL;
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
all = 0;
(void) close_lpfile(fp);
errno = EBADF;
return(NULL);
}
sysbuf.reserved1 = NULL;
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
all = 0;
(void) close_lpfile(fp);
errno = EBADF;
return(NULL);
}
if (STREQU(NAME_S5PROTO, cp))
sysbuf.protocol = S5_PROTO;
else
if (STREQU(NAME_BSDPROTO, cp))
sysbuf.protocol = BSD_PROTO;
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
errno = EBADF;
all = 0;
(void) close_lpfile(fp);
return(NULL);
}
if (*cp == '-')
sysbuf.threshold = -1;
else
sysbuf.threshold = atoi(cp);
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
errno = EBADF;
all = 0;
(void) close_lpfile(fp);
return(NULL);
}
if (*cp == 'n')
sysbuf.timeout = -1;
else
sysbuf.timeout = atoi(cp);
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
all = 0;
(void) close_lpfile(fp);
errno = EBADF;
return(NULL);
}
if (*cp == 'n')
sysbuf.retry = -1;
else
sysbuf.retry = atoi(cp);
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
all = 0;
(void) close_lpfile(fp);
errno = EBADF;
return(NULL);
}
sysbuf.extensions = NULL;
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
{
freesystem(&sysbuf);
all = 0;
(void) close_lpfile(fp);
errno = EBADF;
return(NULL);
}
sysbuf.reserved4 = NULL;
if ((cp = strtok(NULL, SEPCHARS)) == NULL)
sysbuf.comment = NULL;
else
sysbuf.comment = Strdup(cp);
if (all == 0)
(void) close_lpfile(fp);
return(&sysbuf);
}
(void) close_lpfile(fp);
all = 0;
errno = ENOENT;
return(NULL);
}