174 lines
4.5 KiB
C
174 lines
4.5 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1983, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)lpq.c 8.3 (Berkeley) 5/10/95";
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#endif /* not lint */
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/*
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* Spool Queue examination program
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*
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* lpq [-a] [-l] [-Pprinter] [user...] [job...]
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*
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* -a show all non-null queues on the local machine
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* -l long output
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* -P used to identify printer as per lpr/lprm
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*/
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#include <sys/param.h>
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#include <syslog.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "lp.h"
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#include "lp.local.h"
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#include "pathnames.h"
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int requ[MAXREQUESTS]; /* job number of spool entries */
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int requests; /* # of spool requests */
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char *user[MAXUSERS]; /* users to process */
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int users; /* # of users in user array */
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static int ckqueue __P((char *));
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void usage __P((void));
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int
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main(argc, argv)
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register int argc;
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register char **argv;
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{
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extern char *optarg;
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extern int optind;
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int ch, aflag, lflag;
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char *buf, *cp;
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name = *argv;
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if (gethostname(host, sizeof(host))) {
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perror("lpq: gethostname");
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exit(1);
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}
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openlog("lpd", 0, LOG_LPR);
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aflag = lflag = 0;
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while ((ch = getopt(argc, argv, "alP:")) != -1)
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switch((char)ch) {
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case 'a':
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++aflag;
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break;
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case 'l': /* long output */
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++lflag;
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break;
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case 'P': /* printer name */
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printer = optarg;
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break;
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case '?':
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default:
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usage();
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}
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if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL)
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printer = DEFLP;
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for (argc -= optind, argv += optind; argc; --argc, ++argv)
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if (isdigit(argv[0][0])) {
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if (requests >= MAXREQUESTS)
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fatal("too many requests");
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requ[requests++] = atoi(*argv);
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}
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else {
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if (users >= MAXUSERS)
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fatal("too many users");
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user[users++] = *argv;
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}
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if (aflag) {
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while (cgetnext(&buf, printcapdb) > 0) {
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if (ckqueue(buf) <= 0) {
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free(buf);
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continue; /* no jobs */
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}
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for (cp = buf; *cp; cp++)
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if (*cp == '|' || *cp == ':') {
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*cp = '\0';
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break;
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}
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printer = buf;
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printf("%s:\n", printer);
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displayq(lflag);
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free(buf);
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printf("\n");
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}
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} else
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displayq(lflag);
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exit(0);
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}
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static int
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ckqueue(cap)
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char *cap;
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{
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register struct dirent *d;
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DIR *dirp;
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char *spooldir;
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if (cgetstr(cap, "sd", &spooldir) == -1)
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spooldir = _PATH_DEFSPOOL;
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if ((dirp = opendir(spooldir)) == NULL)
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return (-1);
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while ((d = readdir(dirp)) != NULL) {
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if (d->d_name[0] != 'c' || d->d_name[1] != 'f')
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continue; /* daemon control files only */
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closedir(dirp);
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return (1); /* found something */
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}
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closedir(dirp);
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return (0);
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}
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void
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usage()
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{
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puts("usage: lpq [-a] [-l] [-Pprinter] [user ...] [job ...]");
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exit(1);
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}
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