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
52 static void usage(void) __dead2;
53
54 static void
usage(void)55 usage(void)
56 {
57
58 fprintf(stderr, "%s\n%s\n",
59 "usage: fsck_msdosfs -p [-f] filesystem ...",
60 " fsck_msdosfs [-ny] filesystem ...");
61 exit(1);
62 }
63
64 int
main(int argc,char ** argv)65 main(int argc, char **argv)
66 {
67 int ret = 0, erg;
68 int ch;
69
70 skipclean = 1;
71 while ((ch = getopt(argc, argv, "CfFnpy")) != -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 default:
102 usage();
103 break;
104 }
105 }
106 argc -= optind;
107 argv += optind;
108
109 if (!argc)
110 usage();
111
112 while (--argc >= 0) {
113 setcdevname(*argv, preen);
114 erg = checkfilesys(*argv++);
115 if (erg > ret)
116 ret = erg;
117 }
118
119 return ret;
120 }
121
122
123 /*VARARGS*/
124 int
ask(int def,const char * fmt,...)125 ask(int def, const char *fmt, ...)
126 {
127 va_list ap;
128
129 char prompt[256];
130 int c;
131
132 if (alwaysyes || alwaysno || rdonly)
133 def = (alwaysyes && !rdonly && !alwaysno);
134
135 if (preen) {
136 if (def)
137 printf("FIXED\n");
138 return def;
139 }
140
141 va_start(ap, fmt);
142 vsnprintf(prompt, sizeof(prompt), fmt, ap);
143 va_end(ap);
144 if (alwaysyes || alwaysno || rdonly) {
145 printf("%s? %s\n", prompt, def ? "yes" : "no");
146 return def;
147 }
148 do {
149 printf("%s? [yn] ", prompt);
150 fflush(stdout);
151 c = getchar();
152 while (c != '\n' && getchar() != '\n')
153 if (feof(stdin))
154 return 0;
155 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
156 return c == 'y' || c == 'Y';
157 }
158