xref: /original-bsd/usr.sbin/lpr/lpq/lpq.c (revision f09ec2d7)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 char copyright[] =
10 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
11  All rights reserved.\n";
12 #endif /* not lint */
13 
14 #ifndef lint
15 static char sccsid[] = "@(#)lpq.c	5.8 (Berkeley) 07/21/92";
16 #endif /* not lint */
17 
18 /*
19  * Spool Queue examination program
20  *
21  * lpq [-l] [-Pprinter] [user...] [job...]
22  *
23  * -l long output
24  * -P used to identify printer as per lpr/lprm
25  */
26 
27 #include <sys/param.h>
28 
29 #include <syslog.h>
30 #include <dirent.h>
31 #include <unistd.h>
32 #include <stdlib.h>
33 #include <stdio.h>
34 #include <ctype.h>
35 #include "lp.h"
36 #include "lp.local.h"
37 
38 char	*user[MAXUSERS];	/* users to process */
39 int	users;			/* # of users in user array */
40 int	requ[MAXREQUESTS];	/* job number of spool entries */
41 int	requests;		/* # of spool requests */
42 
43 void usage __P((void));
44 
45 int
46 main(argc, argv)
47 	register int	argc;
48 	register char	**argv;
49 {
50 	extern char	*optarg;
51 	extern int	optind;
52 	int	ch, lflag;		/* long output option */
53 
54 	name = *argv;
55 	if (gethostname(host, sizeof(host))) {
56 		perror("lpq: gethostname");
57 		exit(1);
58 	}
59 	openlog("lpd", 0, LOG_LPR);
60 
61 	lflag = 0;
62 	while ((ch = getopt(argc, argv, "lP:")) != EOF)
63 		switch((char)ch) {
64 		case 'l':			/* long output */
65 			++lflag;
66 			break;
67 		case 'P':		/* printer name */
68 			printer = optarg;
69 			break;
70 		case '?':
71 		default:
72 			usage();
73 		}
74 
75 	if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
76 		printer = DEFLP;
77 
78 	for (argc -= optind, argv += optind; argc; --argc, ++argv)
79 		if (isdigit(argv[0][0])) {
80 			if (requests >= MAXREQUESTS)
81 				fatal("too many requests");
82 			requ[requests++] = atoi(*argv);
83 		}
84 		else {
85 			if (users >= MAXUSERS)
86 				fatal("too many users");
87 			user[users++] = *argv;
88 		}
89 
90 	displayq(lflag);
91 	exit(0);
92 }
93 
94 void
95 usage()
96 {
97 	puts("usage: lpq [-l] [-Pprinter] [user ...] [job ...]");
98 	exit(1);
99 }
100