xref: /csrg-svn/usr.sbin/lpr/lpq/lpq.c (revision 69332)
122431Sdist /*
261845Sbostic  * Copyright (c) 1983, 1993
361845Sbostic  *	The Regents of the University of California.  All rights reserved.
434203Sbostic  *
556125Selan  *
656252Selan  * %sccs.include.redist.c%
722431Sdist  */
822431Sdist 
913953Ssam #ifndef lint
1056266Selan static char copyright[] =
1161845Sbostic "@(#) Copyright (c) 1983, 1993\n\
1261845Sbostic 	The Regents of the University of California.  All rights reserved.\n";
1334203Sbostic #endif /* not lint */
1413953Ssam 
1522431Sdist #ifndef lint
16*69332Sbostic static char sccsid[] = "@(#)lpq.c	8.3 (Berkeley) 05/10/95";
1734203Sbostic #endif /* not lint */
1822431Sdist 
1912108Sralph /*
2012108Sralph  * Spool Queue examination program
2112108Sralph  *
2269010Stef  * lpq [-a] [-l] [-Pprinter] [user...] [job...]
2312108Sralph  *
2469010Stef  * -a show all non-null queues on the local machine
2530994Sbostic  * -l long output
2612108Sralph  * -P used to identify printer as per lpr/lprm
2712108Sralph  */
2812108Sralph 
2955476Sbostic #include <sys/param.h>
3055476Sbostic 
3155476Sbostic #include <syslog.h>
3255476Sbostic #include <dirent.h>
3355476Sbostic #include <unistd.h>
3455476Sbostic #include <stdlib.h>
3555476Sbostic #include <stdio.h>
3655476Sbostic #include <ctype.h>
3712108Sralph #include "lp.h"
3855476Sbostic #include "lp.local.h"
3969010Stef #include "pathnames.h"
4012108Sralph 
4156125Selan int	 requ[MAXREQUESTS];	/* job number of spool entries */
4256125Selan int	 requests;		/* # of spool requests */
4312108Sralph char	*user[MAXUSERS];	/* users to process */
4456125Selan int	 users;			/* # of users in user array */
4512108Sralph 
46*69332Sbostic static int ckqueue __P((char *));
4755476Sbostic void usage __P((void));
4855476Sbostic 
4955476Sbostic int
main(argc,argv)5012108Sralph main(argc, argv)
5130994Sbostic 	register int	argc;
5230994Sbostic 	register char	**argv;
5312108Sralph {
5430994Sbostic 	extern char	*optarg;
5530994Sbostic 	extern int	optind;
5669010Stef 	int	ch, aflag, lflag;
5769010Stef 	char	*buf, *cp;
5812108Sralph 
5930994Sbostic 	name = *argv;
6030994Sbostic 	if (gethostname(host, sizeof(host))) {
6130994Sbostic 		perror("lpq: gethostname");
6230994Sbostic 		exit(1);
6330994Sbostic 	}
6425495Seric 	openlog("lpd", 0, LOG_LPR);
6512431Sralph 
6669010Stef 	aflag = lflag = 0;
6769010Stef 	while ((ch = getopt(argc, argv, "alP:")) != EOF)
6830994Sbostic 		switch((char)ch) {
6969010Stef 		case 'a':
7069010Stef 			++aflag;
7169010Stef 			break;
7230994Sbostic 		case 'l':			/* long output */
7330994Sbostic 			++lflag;
7430994Sbostic 			break;
7530994Sbostic 		case 'P':		/* printer name */
7630994Sbostic 			printer = optarg;
7730994Sbostic 			break;
7830994Sbostic 		case '?':
7930994Sbostic 		default:
8030994Sbostic 			usage();
8130994Sbostic 		}
8212108Sralph 
8369010Stef 	if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL)
8412108Sralph 		printer = DEFLP;
8512108Sralph 
8630994Sbostic 	for (argc -= optind, argv += optind; argc; --argc, ++argv)
8730994Sbostic 		if (isdigit(argv[0][0])) {
8830994Sbostic 			if (requests >= MAXREQUESTS)
8930994Sbostic 				fatal("too many requests");
9030994Sbostic 			requ[requests++] = atoi(*argv);
9112108Sralph 		}
9230994Sbostic 		else {
9330994Sbostic 			if (users >= MAXUSERS)
9430994Sbostic 				fatal("too many users");
9530994Sbostic 			user[users++] = *argv;
9630994Sbostic 		}
9730994Sbostic 
9869010Stef 	if (aflag) {
9969010Stef 		while (cgetnext(&buf, printcapdb) > 0) {
100*69332Sbostic 			if (ckqueue(buf) <= 0) {
10169010Stef 				free(buf);
10269010Stef 				continue;	/* no jobs */
10369010Stef 			}
10469010Stef 			for (cp = buf; *cp; cp++)
10569010Stef 				if (*cp == '|' || *cp == ':') {
10669010Stef 					*cp = '\0';
10769010Stef 					break;
10869010Stef 				}
10969010Stef 			printer = buf;
11069010Stef 			printf("%s:\n", printer);
11169010Stef 			displayq(lflag);
11269010Stef 			free(buf);
11369010Stef 			printf("\n");
11469010Stef 		}
11569010Stef 	} else
11669010Stef 		displayq(lflag);
11716103Sralph 	exit(0);
11812108Sralph }
11912108Sralph 
120*69332Sbostic static int
ckqueue(cap)121*69332Sbostic ckqueue(cap)
122*69332Sbostic 	char *cap;
12369010Stef {
12469010Stef 	register struct dirent *d;
12569010Stef 	DIR *dirp;
12669010Stef 	char *spooldir;
12769010Stef 
128*69332Sbostic 	if (cgetstr(cap, "sd", &spooldir) == -1)
12969010Stef 		spooldir = _PATH_DEFSPOOL;
13069010Stef 	if ((dirp = opendir(spooldir)) == NULL)
13169010Stef 		return (-1);
13269010Stef 	while ((d = readdir(dirp)) != NULL) {
13369010Stef 		if (d->d_name[0] != 'c' || d->d_name[1] != 'f')
13469010Stef 			continue;	/* daemon control files only */
13569010Stef 		closedir(dirp);
13669010Stef 		return (1);		/* found something */
13769010Stef 	}
13869010Stef 	closedir(dirp);
13969010Stef 	return (0);
14069010Stef }
14169010Stef 
14255476Sbostic void
usage()14312108Sralph usage()
14412108Sralph {
14569010Stef 	puts("usage: lpq [-a] [-l] [-Pprinter] [user ...] [job ...]");
14612108Sralph 	exit(1);
14712108Sralph }
148