1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char copyright[] =
36"@(#) Copyright (c) 1980, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif
39
40#if 0
41#ifndef lint
42static char sccsid[] = "@(#)biff.c 8.1 (Berkeley) 6/6/93";
43#endif
44#endif
45
46#include <sys/cdefs.h>
|
47__FBSDID("$FreeBSD: head/usr.bin/biff/biff.c 87628 2001-12-10 21:13:08Z dwmalone $");
|
| 47__FBSDID("$FreeBSD: head/usr.bin/biff/biff.c 87749 2001-12-12 18:22:09Z charnier $"); |
48
|
49#include <sys/types.h>
|
49#include <sys/stat.h>
|
51#include <errno.h>
52#include <unistd.h>
53#include <stdio.h>
54#include <stdlib.h>
55#include <string.h>
|
50#include <err.h>
|
51#include <stdio.h>
52#include <unistd.h> |
53
54static void usage __P((void));
55
56int
57main(argc, argv)
58 int argc;
59 char *argv[];
60{
61 struct stat sb;
62 int ch;
63 char *name;
64
65
66 while ((ch = getopt(argc, argv, "")) != -1)
67 switch(ch) {
68 case '?':
69 default:
70 usage();
71 }
72 argc -= optind;
73 argv += optind;
74
75 if ((name = ttyname(STDERR_FILENO)) == NULL)
76 err(2, "unknown tty");
77
78 if (stat(name, &sb))
79 err(2, "stat");
80
81 if (*argv == NULL) {
82 (void)printf("is %s\n", sb.st_mode & S_IXUSR ? "y" : "n");
83 return(sb.st_mode & S_IXUSR ? 0 : 1);
84 }
85
86 switch(argv[0][0]) {
87 case 'n':
88 if (chmod(name, sb.st_mode & ~S_IXUSR) < 0)
89 err(2, "%s", name);
90 break;
91 case 'y':
92 if (chmod(name, sb.st_mode | S_IXUSR) < 0)
93 err(2, "%s", name);
94 break;
95 default:
96 usage();
97 }
98 return(sb.st_mode & S_IXUSR ? 0 : 1);
99}
100
101static void
102usage()
103{
104 (void)fprintf(stderr, "usage: biff [y | n]\n");
105 exit(2);
106}
|