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 /*
24 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
25 * Use is subject to license terms.
26 */
27
28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
29 /* All Rights Reserved */
30
31 /*
32 * University Copyright- Copyright (c) 1982, 1986, 1988
33 * The Regents of the University of California
34 * All Rights Reserved
35 *
36 * University Acknowledgment- Portions of this document are derived from
37 * software developed by the University of California, Berkeley, and its
38 * contributors.
39 */
40
41 /*
42 * biff
43 */
44
45 #include <stdlib.h>
46 #include <unistd.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49 #include <stdio.h>
50 #include <locale.h>
51
52 int
main(int argc,char ** argv)53 main(int argc, char **argv)
54 {
55 char *cp = ttyname(2);
56 struct stat stb;
57
58 (void) setlocale(LC_ALL, "");
59
60 #if !defined(TEXT_DOMAIN)
61 #define TEXT_DOMAIN "SYS_TEST"
62 #endif
63 (void) textdomain(TEXT_DOMAIN);
64
65 argc--, argv++;
66 if (cp == 0) {
67 (void) fprintf(stderr,
68 gettext("biff failed: cannot locate your tty: "
69 "ttyname() for file descriptor 2 returned"
70 " NULL\n"));
71 exit(1);
72 }
73 if (stat(cp, &stb) < 0)
74 perror(cp), exit(1);
75 if (argc == 0) {
76 (void) printf("is %s\n",
77 stb.st_mode&0100 ? gettext("y") : gettext("n"));
78 exit((stb.st_mode&0100) ? 0 : 1);
79 }
80 switch (argv[0][0]) {
81
82 case 'y':
83 if (chmod(cp, stb.st_mode|0100) < 0)
84 perror(cp);
85 break;
86
87 case 'n':
88 if (chmod(cp, stb.st_mode&~0100) < 0)
89 perror(cp);
90 break;
91
92 default:
93 (void) fprintf(stderr, gettext("usage: biff [y] [n]\n"));
94 }
95 return ((stb.st_mode&0100) ? 0 : 1);
96 }
97