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, "CfFnpyM")) != -1) {
72 switch (ch) {
73 case 'C': /* for fsck_ffs compatibility */
74 break;
75 case 'f':
76 skipclean = 0;
77 break;
78 case 'F':
79 /*
80 * We can never run in the background. We must exit
81 * silently with a nonzero exit code so that fsck(8)
82 * can probe our support for -F. The exit code
83 * doesn't really matter, but we use an unusual one
84 * in case someone tries -F directly. The -F flag
85 * is intentionally left out of the usage message.
86 */
87 exit(5);
88 case 'n':
89 alwaysno = 1;
90 alwaysyes = 0;
91 break;
92 case 'y':
93 alwaysyes = 1;
94 alwaysno = 0;
95 break;
96
97 case 'p':
98 preen = 1;
99 break;
100
101 case 'M':
102 allow_mmap = 0;
103 break;
104
105 default:
106 usage();
107 break;
108 }
109 }
110 argc -= optind;
111 argv += optind;
112
113 if (!argc)
114 usage();
115
116 while (--argc >= 0) {
117 // setcdevname(*argv, preen);
118 erg = checkfilesys(*argv++);
119 if (erg > ret)
120 ret = erg;
121 }
122
123 return ret;
124 }
125
126
127 /*VARARGS*/
128 int
ask(int def,const char * fmt,...)129 ask(int def, const char *fmt, ...)
130 {
131 va_list ap;
132
133 char prompt[256];
134 int c;
135
136 if (alwaysyes || alwaysno || rdonly)
137 def = (alwaysyes && !rdonly && !alwaysno);
138
139 if (preen) {
140 if (def)
141 printf("FIXED\n");
142 return def;
143 }
144
145 va_start(ap, fmt);
146 vsnprintf(prompt, sizeof(prompt), fmt, ap);
147 va_end(ap);
148 if (alwaysyes || alwaysno || rdonly) {
149 printf("%s? %s\n", prompt, def ? "yes" : "no");
150 return def;
151 }
152 do {
153 printf("%s? [yn] ", prompt);
154 fflush(stdout);
155 c = getchar();
156 while (c != '\n' && getchar() != '\n')
157 if (feof(stdin))
158 return 0;
159 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
160 return c == 'y' || c == 'Y';
161 }
162