lpq.c revision 1.1 
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
41static char sccsid[] = "@(#)lpq.c	5.7 (Berkeley) 3/2/91";
42#endif /* not lint */
43
44/*
45 * Spool Queue examination program
46 *
47 * lpq [-l] [-Pprinter] [user...] [job...]
48 *
49 * -l long output
50 * -P used to identify printer as per lpr/lprm
51 */
52
53#include "lp.h"
54
55char	*user[MAXUSERS];	/* users to process */
56int	users;			/* # of users in user array */
57int	requ[MAXREQUESTS];	/* job number of spool entries */
58int	requests;		/* # of spool requests */
59
60main(argc, argv)
61	register int	argc;
62	register char	**argv;
63{
64	extern char	*optarg;
65	extern int	optind;
66	int	ch, lflag;		/* long output option */
67
68	name = *argv;
69	if (gethostname(host, sizeof(host))) {
70		perror("lpq: gethostname");
71		exit(1);
72	}
73	openlog("lpd", 0, LOG_LPR);
74
75	lflag = 0;
76	while ((ch = getopt(argc, argv, "lP:")) != EOF)
77		switch((char)ch) {
78		case 'l':			/* long output */
79			++lflag;
80			break;
81		case 'P':		/* printer name */
82			printer = optarg;
83			break;
84		case '?':
85		default:
86			usage();
87		}
88
89	if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
90		printer = DEFLP;
91
92	for (argc -= optind, argv += optind; argc; --argc, ++argv)
93		if (isdigit(argv[0][0])) {
94			if (requests >= MAXREQUESTS)
95				fatal("too many requests");
96			requ[requests++] = atoi(*argv);
97		}
98		else {
99			if (users >= MAXUSERS)
100				fatal("too many users");
101			user[users++] = *argv;
102		}
103
104	displayq(lflag);
105	exit(0);
106}
107
108usage()
109{
110	puts("usage: lpq [-l] [-Pprinter] [user ...] [job ...]");
111	exit(1);
112}
113