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 are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#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       5.6 (Berkeley) 6/1/90";
#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);
}

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