[unix-history] / 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 this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/

#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       5.4 (Berkeley) %G%";
#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);
}