188 lines
3.3 KiB
C
Executable File
188 lines
3.3 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)getsystem.c 1.5 94/03/29 SMI" /* SVr4.0 1.4 */
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/* LINTLIBRARY */
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# include <stdio.h>
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# include <string.h>
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# include <errno.h>
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# include <stdlib.h>
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# include "lp.h"
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# include "systems.h"
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# define SEPCHARS ":\n"
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/**
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** getsystem() - EXTRACT SYSTEM STRUCTURE FROM DISK FILE
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**/
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#if defined(__STDC__)
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SYSTEM * getsystem ( const char * name )
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#else
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SYSTEM * getsystem ( name )
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char *name;
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#endif
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{
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static FILE *fp;
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static int all = 0;
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static SYSTEM sysbuf;
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char *cp;
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char buf[BUFSIZ];
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if (STREQU(name, NAME_ALL))
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{
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if (all == 0)
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{
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all = 1;
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if ((fp = open_lpfile(Lp_NetData, "r", MODE_READ)) == NULL)
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return(NULL);
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}
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}
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else
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if (all == 1)
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{
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all = 0;
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(void) rewind(fp);
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}
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else
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if ((fp = open_lpfile(Lp_NetData, "r", MODE_READ)) == NULL)
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return(NULL);
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(void) memset (&sysbuf, 0, sizeof (sysbuf));
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while(fgets(buf, BUFSIZ, fp) != NULL)
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{
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if (*buf == '#')
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continue;
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if ((cp = strtok(buf, SEPCHARS)) == NULL)
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continue;
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if (!all && STREQU(name, cp) == 0)
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continue;
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sysbuf.name = Strdup(cp);
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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all = 0;
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(void) close_lpfile(fp);
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errno = EBADF;
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return(NULL);
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}
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sysbuf.passwd = NULL;
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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all = 0;
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(void) close_lpfile(fp);
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errno = EBADF;
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return(NULL);
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}
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sysbuf.reserved1 = NULL;
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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all = 0;
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(void) close_lpfile(fp);
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errno = EBADF;
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return(NULL);
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}
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if (STREQU(NAME_S5PROTO, cp))
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sysbuf.protocol = S5_PROTO;
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else
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if (STREQU(NAME_BSDPROTO, cp))
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sysbuf.protocol = BSD_PROTO;
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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errno = EBADF;
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all = 0;
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(void) close_lpfile(fp);
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return(NULL);
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}
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if (*cp == '-')
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sysbuf.threshold = -1;
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else
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sysbuf.threshold = atoi(cp);
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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errno = EBADF;
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all = 0;
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(void) close_lpfile(fp);
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return(NULL);
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}
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if (*cp == 'n')
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sysbuf.timeout = -1;
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else
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sysbuf.timeout = atoi(cp);
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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all = 0;
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(void) close_lpfile(fp);
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errno = EBADF;
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return(NULL);
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}
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if (*cp == 'n')
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sysbuf.retry = -1;
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else
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sysbuf.retry = atoi(cp);
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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all = 0;
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(void) close_lpfile(fp);
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errno = EBADF;
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return(NULL);
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}
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sysbuf.extensions = NULL;
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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{
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freesystem(&sysbuf);
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all = 0;
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(void) close_lpfile(fp);
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errno = EBADF;
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return(NULL);
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}
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sysbuf.reserved4 = NULL;
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if ((cp = strtok(NULL, SEPCHARS)) == NULL)
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sysbuf.comment = NULL;
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else
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sysbuf.comment = Strdup(cp);
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if (all == 0)
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(void) close_lpfile(fp);
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return(&sysbuf);
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}
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(void) close_lpfile(fp);
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all = 0;
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errno = ENOENT;
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return(NULL);
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}
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