lpq.c revision 1.2 
1/*
2 * Copyright (c) 1983 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35char copyright[] =
36"@(#) Copyright (c) 1983 Regents of the University of California.\n\
37 All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41/*static char sccsid[] = "from: @(#)lpq.c	5.7 (Berkeley) 3/2/91";*/
42static char rcsid[] = "$Id: lpq.c,v 1.2 1993/08/01 17:58:45 mycroft Exp $";
43#endif /* not lint */
44
45/*
46 * Spool Queue examination program
47 *
48 * lpq [-l] [-Pprinter] [user...] [job...]
49 *
50 * -l long output
51 * -P used to identify printer as per lpr/lprm
52 */
53
54#include "lp.h"
55
56char	*user[MAXUSERS];	/* users to process */
57int	users;			/* # of users in user array */
58int	requ[MAXREQUESTS];	/* job number of spool entries */
59int	requests;		/* # of spool requests */
60
61main(argc, argv)
62	register int	argc;
63	register char	**argv;
64{
65	extern char	*optarg;
66	extern int	optind;
67	int	ch, lflag;		/* long output option */
68
69	name = *argv;
70	if (gethostname(host, sizeof(host))) {
71		perror("lpq: gethostname");
72		exit(1);
73	}
74	openlog("lpd", 0, LOG_LPR);
75
76	lflag = 0;
77	while ((ch = getopt(argc, argv, "lP:")) != EOF)
78		switch((char)ch) {
79		case 'l':			/* long output */
80			++lflag;
81			break;
82		case 'P':		/* printer name */
83			printer = optarg;
84			break;
85		case '?':
86		default:
87			usage();
88		}
89
90	if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
91		printer = DEFLP;
92
93	for (argc -= optind, argv += optind; argc; --argc, ++argv)
94		if (isdigit(argv[0][0])) {
95			if (requests >= MAXREQUESTS)
96				fatal("too many requests");
97			requ[requests++] = atoi(*argv);
98		}
99		else {
100			if (users >= MAXUSERS)
101				fatal("too many users");
102			user[users++] = *argv;
103		}
104
105	displayq(lflag);
106	exit(0);
107}
108
109usage()
110{
111	puts("usage: lpq [-l] [-Pprinter] [user ...] [job ...]");
112	exit(1);
113}
114