usr/src/usr.sbin/lpr/lpq/lpq.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)lpq.c       5.7 (Berkeley) 3/2/91";
#endif /* not lint */

/*
 * Spool Queue examination program
 *
 * lpq [-l] [-Pprinter] [user...] [job...]
 *
 * -l long output
 * -P used to identify printer as per lpr/lprm
 */

#include "lp.h"

char    *user[MAXUSERS];        /* users to process */
int     users;                  /* # of users in user array */
int     requ[MAXREQUESTS];      /* job number of spool entries */
int     requests;               /* # of spool requests */

main(argc, argv)
        register int    argc;
        register char   **argv;
{
        extern char     *optarg;
        extern int      optind;
        int     ch, lflag;              /* long output option */

        name = *argv;
        if (gethostname(host, sizeof(host))) {
                perror("lpq: gethostname");
                exit(1);
        }
        openlog("lpd", 0, LOG_LPR);

        lflag = 0;
        while ((ch = getopt(argc, argv, "lP:")) != EOF)
                switch((char)ch) {
                case 'l':                       /* long output */
                        ++lflag;
                        break;
                case 'P':               /* printer name */
                        printer = optarg;
                        break;
                case '?':
                default:
                        usage();
                }

        if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
                printer = DEFLP;

        for (argc -= optind, argv += optind; argc; --argc, ++argv)
                if (isdigit(argv[0][0])) {
                        if (requests >= MAXREQUESTS)
                                fatal("too many requests");
                        requ[requests++] = atoi(*argv);
                }
                else {
                        if (users >= MAXUSERS)
                                fatal("too many users");
                        user[users++] = *argv;
                }

        displayq(lflag);
        exit(0);
}

usage()
{
        puts("usage: lpq [-l] [-Pprinter] [user ...] [job ...]");
        exit(1);
}