usr/src/cmd/print/bsd-sysv-commands/lpq.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  */
  27
  28 /* $Id: lpq.c 146 2006-03-24 00:26:54Z njacobs $ */
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <unistd.h>
  35 #include <string.h>
  36 #include <locale.h>
  37 #include <libintl.h>
  38 #include <papi.h>
  39 #include "common.h"
  40
  41 static void
  42 usage(char *program)
  43 {
  44         char *name;
  45
  46         if ((name = strrchr(program, '/')) == NULL)
  47                 name = program;
  48         else
  49                 name++;
  50
  51         fprintf(stdout, gettext("Usage: %s [-P printer] (user|id ...)\n"),
  52                         name);
  53         exit(1);
  54 }
  55
  56 static void
  57 clear_screen()
  58 {
  59         static char buf[32];
  60
  61         /* quick and dirty for now, this should be fixed real soon */
  62         if (buf[0] == '\0') {
  63                 FILE *fp = popen("/bin/tput clear", "r");
  64                 if (fp != NULL) {
  65                         fgets(buf, sizeof (buf), fp);
  66                         fclose(fp);
  67                 }
  68         }
  69         printf("%s", buf);
  70 }
  71
  72 int
  73 main(int ac, char *av[])
  74 {
  75         char *printer = NULL;
  76         papi_status_t status;
  77         papi_service_t svc = NULL;
  78         papi_encryption_t encryption = PAPI_ENCRYPT_NEVER;
  79         int format = 3; /* lpq short format */
  80         int interval = 0;
  81         int num_jobs;
  82         int c;
  83
  84         (void) setlocale(LC_ALL, "");
  85         (void) textdomain("SUNW_OST_OSCMD");
  86
  87         while ((c = getopt(ac, av, "EP:l")) != EOF)
  88                 switch (c) {
  89                 case 'E':
  90                         encryption = PAPI_ENCRYPT_REQUIRED;
  91                         break;
  92                 case 'P':
  93                         printer = optarg;
  94                         break;
  95                 case 'l':
  96                         format = 4;     /* lpq long format */
  97                         break;
  98                 default:
  99                         usage(av[0]);
 100                 }
 101
 102         if ((optind < ac) && (av[optind][0] == '+'))
 103                 interval = atoi(av[optind++]);
 104
 105         if ((printer == NULL) &&
 106             ((printer = getenv("PRINTER")) == NULL) &&
 107             ((printer = getenv("LPDEST")) == NULL))
 108                 printer = DEFAULT_DEST;
 109
 110         status = papiServiceCreate(&svc, printer, NULL, NULL, cli_auth_callback,
 111                                         encryption, NULL);
 112         if (status != PAPI_OK) {
 113                 fprintf(stderr, gettext(
 114                         "Failed to contact service for %s: %s\n"), printer,
 115                         verbose_papi_message(svc, status));
 116                 papiServiceDestroy(svc);
 117                 exit(1);
 118         }
 119
 120         do {
 121                 if (interval != 0)
 122                         clear_screen();
 123
 124                 num_jobs = berkeley_queue_report(svc, stdout, printer, format,
 125                                         ac - optind, &av[optind]);
 126
 127                 if ((interval != 0) && (num_jobs > 0))
 128                         sleep(interval);
 129         } while ((interval > 0) && (num_jobs > 0));
 130
 131         papiServiceDestroy(svc);
 132
 133         return (0);
 134 }