xref: /original-bsd/usr.sbin/lpr/lpq/lpq.c (revision 860e07fc)
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
35 char 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[] = "@(#)lpq.c	5.9 (Berkeley) 8/6/92";
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 <sys/param.h>
54 
55 #include <syslog.h>
56 #include <dirent.h>
57 #include <unistd.h>
58 #include <stdlib.h>
59 #include <stdio.h>
60 #include <ctype.h>
61 #include "lp.h"
62 #include "lp.local.h"
63 
64 int	 requ[MAXREQUESTS];	/* job number of spool entries */
65 int	 requests;		/* # of spool requests */
66 char	*user[MAXUSERS];	/* users to process */
67 int	 users;			/* # of users in user array */
68 
69 void usage __P((void));
70 
71 int
72 main(argc, argv)
73 	register int	argc;
74 	register char	**argv;
75 {
76 	extern char	*optarg;
77 	extern int	optind;
78 	int	ch, lflag;		/* long output option */
79 
80 	name = *argv;
81 	if (gethostname(host, sizeof(host))) {
82 		perror("lpq: gethostname");
83 		exit(1);
84 	}
85 	openlog("lpd", 0, LOG_LPR);
86 
87 	lflag = 0;
88 	while ((ch = getopt(argc, argv, "lP:")) != EOF)
89 		switch((char)ch) {
90 		case 'l':			/* long output */
91 			++lflag;
92 			break;
93 		case 'P':		/* printer name */
94 			printer = optarg;
95 			break;
96 		case '?':
97 		default:
98 			usage();
99 		}
100 
101 	if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
102 		printer = DEFLP;
103 
104 	for (argc -= optind, argv += optind; argc; --argc, ++argv)
105 		if (isdigit(argv[0][0])) {
106 			if (requests >= MAXREQUESTS)
107 				fatal("too many requests");
108 			requ[requests++] = atoi(*argv);
109 		}
110 		else {
111 			if (users >= MAXUSERS)
112 				fatal("too many users");
113 			user[users++] = *argv;
114 		}
115 
116 	displayq(lflag);
117 	exit(0);
118 }
119 
120 void
121 usage()
122 {
123 	puts("usage: lpq [-l] [-Pprinter] [user ...] [job ...]");
124 	exit(1);
125 }
126