1 /*
2 * Copyright (C) 1995 Wolfgang Solfrank
3 * Copyright (c) 1995 Martin Husemann
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26
27 #include <sys/cdefs.h>
28 #ifndef lint
29 __RCSID("$NetBSD: main.c,v 1.10 1997/10/01 02:18:14 enami Exp $");
30 static const char rcsid[] =
31 "$FreeBSD$";
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
50 static void usage(void) __dead2;
51
52 static void
usage(void)53 usage(void)
54 {
55
56 fprintf(stderr, "%s\n%s\n",
57 "usage: fsck_msdosfs -p [-f] filesystem ...",
58 " fsck_msdosfs [-ny] filesystem ...");
59 exit(1);
60 }
61
62 int
main(int argc,char ** argv)63 main(int argc, char **argv)
64 {
65 int ret = 0, erg;
66 int ch;
67
68 skipclean = 1;
69 while ((ch = getopt(argc, argv, "CfFnpy")) != -1) {
70 switch (ch) {
71 case 'C': /* for fsck_ffs compatibility */
72 break;
73 case 'f':
74 skipclean = 0;
75 break;
76 case 'F':
77 /*
78 * We can never run in the background. We must exit
79 * silently with a nonzero exit code so that fsck(8)
80 * can probe our support for -F. The exit code
81 * doesn't really matter, but we use an unusual one
82 * in case someone tries -F directly. The -F flag
83 * is intentionally left out of the usage message.
84 */
85 exit(5);
86 case 'n':
87 alwaysno = 1;
88 alwaysyes = preen = 0;
89 break;
90 case 'y':
91 alwaysyes = 1;
92 alwaysno = preen = 0;
93 break;
94
95 case 'p':
96 preen = 1;
97 alwaysyes = alwaysno = 0;
98 break;
99
100 default:
101 usage();
102 break;
103 }
104 }
105 argc -= optind;
106 argv += optind;
107
108 if (!argc)
109 usage();
110
111 while (--argc >= 0) {
112 setcdevname(*argv, preen);
113 erg = checkfilesys(*argv++);
114 if (erg > ret)
115 ret = erg;
116 }
117
118 return ret;
119 }
120
121
122 /*VARARGS*/
123 int
ask(int def,const char * fmt,...)124 ask(int def, const char *fmt, ...)
125 {
126 va_list ap;
127
128 char prompt[256];
129 int c;
130
131 if (preen) {
132 if (rdonly)
133 def = 0;
134 if (def)
135 printf("FIXED\n");
136 return def;
137 }
138
139 va_start(ap, fmt);
140 vsnprintf(prompt, sizeof(prompt), fmt, ap);
141 va_end(ap);
142 if (alwaysyes || rdonly) {
143 printf("%s? %s\n", prompt, rdonly ? "no" : "yes");
144 return !rdonly;
145 }
146 do {
147 printf("%s? [yn] ", prompt);
148 fflush(stdout);
149 c = getchar();
150 while (c != '\n' && getchar() != '\n')
151 if (feof(stdin))
152 return 0;
153 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
154 return c == 'y' || c == 'Y';
155 }
156