Deleted Added
full compact
biff.c (92920) biff.c (99632)
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>
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 92920 2002-03-22 01:22:50Z imp $");
47__FBSDID("$FreeBSD: head/usr.bin/biff/biff.c 99632 2002-07-09 02:16:49Z johan $");
48
49#include <sys/stat.h>
50
51#include <err.h>
52#include <stdio.h>
53#include <stdlib.h>
54#include <unistd.h>
55
56static void usage(void);
57
58int
59main(argc, argv)
60 int argc;
61 char *argv[];
62{
63 struct stat sb;
64 int ch;
65 char *name;
66
67
68 while ((ch = getopt(argc, argv, "")) != -1)
69 switch(ch) {
70 case '?':
71 default:
72 usage();
73 }
74 argc -= optind;
75 argv += optind;
76
77 if ((name = ttyname(STDERR_FILENO)) == NULL)
78 err(2, "unknown tty");
79
80 if (stat(name, &sb))
81 err(2, "stat");
82
83 if (*argv == NULL) {
48
49#include <sys/stat.h>
50
51#include <err.h>
52#include <stdio.h>
53#include <stdlib.h>
54#include <unistd.h>
55
56static void usage(void);
57
58int
59main(argc, argv)
60 int argc;
61 char *argv[];
62{
63 struct stat sb;
64 int ch;
65 char *name;
66
67
68 while ((ch = getopt(argc, argv, "")) != -1)
69 switch(ch) {
70 case '?':
71 default:
72 usage();
73 }
74 argc -= optind;
75 argv += optind;
76
77 if ((name = ttyname(STDERR_FILENO)) == NULL)
78 err(2, "unknown tty");
79
80 if (stat(name, &sb))
81 err(2, "stat");
82
83 if (*argv == NULL) {
84 (void)printf("is %s\n", sb.st_mode & S_IXUSR ? "y" : "n");
85 return(sb.st_mode & S_IXUSR ? 0 : 1);
84 (void)printf("is %s%s\n",
85 sb.st_mode & S_IXUSR ? "y" :
86 sb.st_mode & S_IXGRP ? "b" : "n");
87 return(sb.st_mode & (S_IXUSR | S_IXGRP) ? 0 : 1);
88
86 }
87
88 switch(argv[0][0]) {
89 case 'n':
89 }
90
91 switch(argv[0][0]) {
92 case 'n':
90 if (chmod(name, sb.st_mode & ~S_IXUSR) < 0)
93 if (chmod(name, sb.st_mode & ~(S_IXUSR | S_IXGRP)) < 0)
91 err(2, "%s", name);
92 break;
93 case 'y':
94 err(2, "%s", name);
95 break;
96 case 'y':
94 if (chmod(name, sb.st_mode | S_IXUSR) < 0)
97 if (chmod(name, (sb.st_mode & ~(S_IXUSR | S_IXGRP)) | S_IXUSR) < 0)
95 err(2, "%s", name);
96 break;
98 err(2, "%s", name);
99 break;
100 case 'b':
101 if (chmod(name, (sb.st_mode & ~(S_IXUSR | S_IXGRP)) | S_IXGRP) < 0)
102 err(2, "%s", name);
103 break;
97 default:
98 usage();
99 }
104 default:
105 usage();
106 }
100 return(sb.st_mode & S_IXUSR ? 0 : 1);
107 return(sb.st_mode & (S_IXUSR | S_IXGRP) ? 0 : 1);
101}
102
103static void
104usage()
105{
108}
109
110static void
111usage()
112{
106 (void)fprintf(stderr, "usage: biff [y | n]\n");
113 (void)fprintf(stderr, "usage: biff [n | y | b]\n");
107 exit(2);
108}
114 exit(2);
115}