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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Martin Husemann
16 * and Wolfgang Solfrank.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33
34 #include <sys/cdefs.h>
35 #ifndef lint
36 __RCSID("$NetBSD: main.c,v 1.10 1997/10/01 02:18:14 enami Exp $");
37 static const char rcsid[] =
38 "$FreeBSD: src/sbin/fsck_msdosfs/main.c,v 1.16 2009/06/10 19:02:54 avg Exp $";
39 #endif /* not lint */
40
41 #include <stdlib.h>
42 #include <string.h>
43 #include <ctype.h>
44 #include <stdio.h>
45 #include <unistd.h>
46 #include <errno.h>
47 #include <stdarg.h>
48
49 #include "fsutil.h"
50 #include "ext.h"
51
52 int alwaysno; /* assume "no" for all questions */
53 int alwaysyes; /* assume "yes" for all questions */
54 int preen; /* set when preening */
55 int rdonly; /* device is opened read only (supersedes above) */
56 int skipclean; /* skip clean file systems if preening */
57
58 static void usage(void);
59
60 static void
usage(void)61 usage(void)
62 {
63
64 fprintf(stderr, "%s\n%s\n",
65 "usage: fsck_msdosfs -p [-f] filesystem ...",
66 " fsck_msdosfs [-ny] filesystem ...");
67 exit(1);
68 }
69
70 int
main(int argc,char ** argv)71 main(int argc, char **argv)
72 {
73 int ret = 0, erg;
74 int ch;
75
76 skipclean = 1;
77 while ((ch = getopt(argc, argv, "CfFnpy")) != -1) {
78 switch (ch) {
79 case 'C': /* for fsck_ffs compatibility */
80 break;
81 case 'f':
82 skipclean = 0;
83 break;
84 case 'F':
85 /*
86 * We can never run in the background. We must exit
87 * silently with a nonzero exit code so that fsck(8)
88 * can probe our support for -F. The exit code
89 * doesn't really matter, but we use an unusual one
90 * in case someone tries -F directly. The -F flag
91 * is intentionally left out of the usage message.
92 */
93 exit(5);
94 case 'n':
95 alwaysno = 1;
96 alwaysyes = preen = 0;
97 break;
98 case 'y':
99 alwaysyes = 1;
100 alwaysno = preen = 0;
101 break;
102
103 case 'p':
104 preen = 1;
105 alwaysyes = alwaysno = 0;
106 break;
107
108 default:
109 usage();
110 break;
111 }
112 }
113 argc -= optind;
114 argv += optind;
115
116 if (!argc)
117 usage();
118
119 while (--argc >= 0) {
120 // setcdevname(*argv, preen);
121 erg = checkfilesys(*argv++);
122 if (erg > ret)
123 ret = erg;
124 }
125
126 return ret;
127 }
128
129
130 /*VARARGS*/
131 int
ask(int def,const char * fmt,...)132 ask(int def, const char *fmt, ...)
133 {
134 va_list ap;
135
136 char prompt[256];
137 int c;
138
139 if (preen) {
140 if (rdonly)
141 def = 0;
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 if (alwaysyes || rdonly) {
150 printf("%s? %s\n", prompt, rdonly ? "no" : "yes");
151 return !rdonly;
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