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 #endif /* not lint */
33
34 #include <stdlib.h>
35 #include <string.h>
36 #include <stdio.h>
37 #include <unistd.h>
38 #include <errno.h>
39 #include <stdarg.h>
40
41 #include "fsutil.h"
42 #include "ext.h"
43
44 int alwaysno; /* assume "no" for all questions */
45 int alwaysyes; /* assume "yes" for all questions */
46 int preen; /* set when preening */
47 int rdonly; /* device is opened read only (supersedes above) */
48 int skipclean; /* skip clean file systems if preening */
49 int allow_mmap; /* Allow the use of mmap(), if possible */
50
51 static void usage(void) __dead2;
52
53 static void
usage(void)54 usage(void)
55 {
56
57 fprintf(stderr, "%s\n%s\n",
58 "usage: fsck_msdosfs -p [-f] filesystem ...",
59 " fsck_msdosfs [-ny] filesystem ...");
60 exit(1);
61 }
62
63 int
main(int argc,char ** argv)64 main(int argc, char **argv)
65 {
66 int ret = 0, erg;
67 int ch;
68
69 skipclean = 1;
70 allow_mmap = 1;
71 while ((ch = getopt(argc, argv, "BCfFnpyM")) != -1) {
72 switch (ch) {
73 case 'B': /* for fsck_ffs compatibility */
74 case 'C':
75 break;
76 case 'f':
77 skipclean = 0;
78 break;
79 case 'F':
80 /*
81 * We can never run in the background. We must exit
82 * silently with a nonzero exit code so that fsck(8)
83 * can probe our support for -F. The exit code
84 * doesn't really matter, but we use an unusual one
85 * in case someone tries -F directly. The -F flag
86 * is intentionally left out of the usage message.
87 */
88 exit(5);
89 case 'n':
90 alwaysno = 1;
91 alwaysyes = 0;
92 break;
93 case 'y':
94 alwaysyes = 1;
95 alwaysno = 0;
96 break;
97
98 case 'p':
99 preen = 1;
100 break;
101
102 case 'M':
103 allow_mmap = 0;
104 break;
105
106 default:
107 usage();
108 break;
109 }
110 }
111 argc -= optind;
112 argv += optind;
113
114 if (!argc)
115 usage();
116
117 while (--argc >= 0) {
118 setcdevname(*argv, preen);
119 erg = checkfilesys(*argv++);
120 if (erg > ret)
121 ret = erg;
122 }
123
124 return ret;
125 }
126
127
128 /*VARARGS*/
129 int
ask(int def,const char * fmt,...)130 ask(int def, const char *fmt, ...)
131 {
132 va_list ap;
133
134 char prompt[256];
135 int c;
136
137 if (alwaysyes || alwaysno || rdonly)
138 def = (alwaysyes && !rdonly && !alwaysno);
139
140 if (preen) {
141 if (def)
142 printf("FIXED\n");
143 return def;
144 }
145
146 va_start(ap, fmt);
147 vsnprintf(prompt, sizeof(prompt), fmt, ap);
148 va_end(ap);
149 if (alwaysyes || alwaysno || rdonly) {
150 printf("%s? %s\n", prompt, def ? "yes" : "no");
151 return def;
152 }
153 do {
154 printf("%s? [yn] ", prompt);
155 fflush(stdout);
156 c = getchar();
157 while (c != '\n' && getchar() != '\n')
158 if (feof(stdin))
159 return 0;
160 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
161 return c == 'y' || c == 'Y';
162 }
163