1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 1995 Wolfgang Solfrank
5 * Copyright (c) 1995 Martin Husemann
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28
29 #include <sys/cdefs.h>
30 #ifndef lint
31 __RCSID("$NetBSD: main.c,v 1.10 1997/10/01 02:18:14 enami Exp $");
32 static const char rcsid[] =
33 "$FreeBSD$";
34 #endif /* not lint */
35
36 #include <stdlib.h>
37 #include <string.h>
38 #include <stdio.h>
39 #include <unistd.h>
40 #include <errno.h>
41 #include <stdarg.h>
42
43 #include "fsutil.h"
44 #include "ext.h"
45
46 int alwaysno; /* assume "no" for all questions */
47 int alwaysyes; /* assume "yes" for all questions */
48 int preen; /* set when preening */
49 int rdonly; /* device is opened read only (supersedes above) */
50 int skipclean; /* skip clean file systems if preening */
51 int allow_mmap; /* Allow the use of mmap(), if possible */
52
53 static void usage(void) __dead2;
54
55 static void
usage(void)56 usage(void)
57 {
58
59 fprintf(stderr, "%s\n%s\n",
60 "usage: fsck_msdosfs -p [-f] filesystem ...",
61 " fsck_msdosfs [-ny] filesystem ...");
62 exit(1);
63 }
64
65 int
main(int argc,char ** argv)66 main(int argc, char **argv)
67 {
68 int ret = 0, erg;
69 int ch;
70
71 skipclean = 1;
72 allow_mmap = 1;
73 while ((ch = getopt(argc, argv, "CfFnpyM")) != -1) {
74 switch (ch) {
75 case 'C': /* for fsck_ffs compatibility */
76 break;
77 case 'f':
78 skipclean = 0;
79 break;
80 case 'F':
81 /*
82 * We can never run in the background. We must exit
83 * silently with a nonzero exit code so that fsck(8)
84 * can probe our support for -F. The exit code
85 * doesn't really matter, but we use an unusual one
86 * in case someone tries -F directly. The -F flag
87 * is intentionally left out of the usage message.
88 */
89 exit(5);
90 case 'n':
91 alwaysno = 1;
92 alwaysyes = 0;
93 break;
94 case 'y':
95 alwaysyes = 1;
96 alwaysno = 0;
97 break;
98
99 case 'p':
100 preen = 1;
101 break;
102
103 case 'M':
104 allow_mmap = 0;
105 break;
106
107 default:
108 usage();
109 break;
110 }
111 }
112 argc -= optind;
113 argv += optind;
114
115 if (!argc)
116 usage();
117
118 while (--argc >= 0) {
119 setcdevname(*argv, preen);
120 erg = checkfilesys(*argv++);
121 if (erg > ret)
122 ret = erg;
123 }
124
125 return ret;
126 }
127
128
129 /*VARARGS*/
130 int
ask(int def,const char * fmt,...)131 ask(int def, const char *fmt, ...)
132 {
133 va_list ap;
134
135 char prompt[256];
136 int c;
137
138 if (alwaysyes || alwaysno || rdonly)
139 def = (alwaysyes && !rdonly && !alwaysno);
140
141 if (preen) {
142 if (def)
143 printf("FIXED\n");
144 return def;
145 }
146
147 va_start(ap, fmt);
148 vsnprintf(prompt, sizeof(prompt), fmt, ap);
149 va_end(ap);
150 if (alwaysyes || alwaysno || rdonly) {
151 printf("%s? %s\n", prompt, def ? "yes" : "no");
152 return def;
153 }
154 do {
155 printf("%s? [yn] ", prompt);
156 fflush(stdout);
157 c = getchar();
158 while (c != '\n' && getchar() != '\n')
159 if (feof(stdin))
160 return 0;
161 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
162 return c == 'y' || c == 'Y';
163 }
164