usr/src/cmd/tty/tty.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"
  32
  33 /*
  34  * Type tty name
  35  */
  36
  37 #include <locale.h>
  38 #include <stdio.h>
  39 #include <unistd.h>
  40 #include <sys/stermio.h>
  41
  42 int
  43 main(int argc, char **argv)
  44 {
  45         char    *p;
  46         int     i;
  47         int     lflg    = 0;
  48         int     sflg    = 0;
  49
  50         (void) setlocale(LC_ALL, "");
  51 #if !defined(TEXT_DOMAIN)
  52 #define TEXT_DOMAIN "SYS_TEST"
  53 #endif
  54         (void) textdomain(TEXT_DOMAIN);
  55         while ((i = getopt(argc, argv, "ls")) != EOF)
  56                 switch (i) {
  57                 case 'l':
  58                         lflg = 1;
  59                         break;
  60                 case 's':
  61                         sflg = 1;
  62                         break;
  63                 case '?':
  64                         (void) printf(gettext("Usage: tty [-l] [-s]\n"));
  65                         return (2);
  66                 }
  67         p = ttyname(0);
  68         if (!sflg)
  69                 (void) printf("%s\n", (p? p: gettext("not a tty")));
  70         if (lflg) {
  71                 if ((i = ioctl(0, STWLINE, 0)) == -1)
  72                         (void) printf(gettext(
  73                             "not on an active synchronous line\n"));
  74                 else
  75                         (void) printf(gettext("synchronous line %d\n"), i);
  76         }
  77         return (p? 0: 1);
  78 }