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 #pragma ident "%Z%%M% %I% %E% SMI"
42
43 /*
44 * biff
45 */
46
47 #include <stdlib.h>
48 #include <unistd.h>
49 #include <sys/types.h>
50 #include <sys/stat.h>
51 #include <stdio.h>
52 #include <locale.h>
53
54 int
main(int argc,char ** argv)55 main(int argc, char **argv)
56 {
57 char *cp = ttyname(2);
58 struct stat stb;
59
60 (void) setlocale(LC_ALL, "");
61
62 #if !defined(TEXT_DOMAIN)
63 #define TEXT_DOMAIN "SYS_TEST"
64 #endif
65 (void) textdomain(TEXT_DOMAIN);
66
67 argc--, argv++;
68 if (cp == 0) {
69 (void) fprintf(stderr,
70 gettext("biff failed: cannot locate your tty: "
71 "ttyname() for file descriptor 2 returned"
72 " NULL\n"));
73 exit(1);
74 }
75 if (stat(cp, &stb) < 0)
76 perror(cp), exit(1);
77 if (argc == 0) {
78 (void) printf("is %s\n",
79 stb.st_mode&0100 ? gettext("y") : gettext("n"));
80 exit((stb.st_mode&0100) ? 0 : 1);
81 }
82 switch (argv[0][0]) {
83
84 case 'y':
85 if (chmod(cp, stb.st_mode|0100) < 0)
86 perror(cp);
87 break;
88
89 case 'n':
90 if (chmod(cp, stb.st_mode&~0100) < 0)
91 perror(cp);
92 break;
93
94 default:
95 (void) fprintf(stderr, gettext("usage: biff [y] [n]\n"));
96 }
97 return ((stb.st_mode&0100) ? 0 : 1);
98 }
99