xref: /illumos-gate/usr/src/cmd/tty/tty.c (revision e5ab5ea55344704b841f6f500ca3beb83dfb1cd6)
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  * Type tty name
32  */
33 
34 #include <locale.h>
35 #include <stdio.h>
36 #include <unistd.h>
37 #include <sys/stermio.h>
38 
39 int
40 main(int argc, char **argv)
41 {
42 	char	*p;
43 	int	i;
44 	int	lflg	= 0;
45 	int	sflg	= 0;
46 
47 	(void) setlocale(LC_ALL, "");
48 #if !defined(TEXT_DOMAIN)
49 #define	TEXT_DOMAIN "SYS_TEST"
50 #endif
51 	(void) textdomain(TEXT_DOMAIN);
52 	while ((i = getopt(argc, argv, "ls")) != EOF)
53 		switch (i) {
54 		case 'l':
55 			lflg = 1;
56 			break;
57 		case 's':
58 			sflg = 1;
59 			break;
60 		case '?':
61 			(void) printf(gettext("Usage: tty [-l] [-s]\n"));
62 			return (2);
63 		}
64 	p = ttyname(0);
65 	if (!sflg)
66 		(void) printf("%s\n", (p? p: gettext("not a tty")));
67 	if (lflg) {
68 		if ((i = ioctl(0, STWLINE, 0)) == -1)
69 			(void) printf(gettext(
70 			    "not on an active synchronous line\n"));
71 		else
72 			(void) printf(gettext("synchronous line %d\n"), i);
73 	}
74 	return (p? 0: 1);
75 }
76