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 int allow_mmap; /* Allow the use of mmap(), if possible */ 52 53 static void usage(void) __dead2; 54 55 static void 56 usage(void) 57 { 58 59 fprintf(stderr, "%s\n%s\n", 60 "usage: fsck_msdosfs -p [-f] filesystem ...", 61 " fsck_msdosfs [-ny] filesystem ..."); 62 exit(1); 63 } 64 65 int 66 main(int argc, char **argv) 67 { 68 int ret = 0, erg; 69 int ch; 70 71 skipclean = 1; 72 allow_mmap = 1; 73 while ((ch = getopt(argc, argv, "CfFnpyM")) != -1) { 74 switch (ch) { 75 case 'C': /* for fsck_ffs compatibility */ 76 break; 77 case 'f': 78 skipclean = 0; 79 break; 80 case 'F': 81 /* 82 * We can never run in the background. We must exit 83 * silently with a nonzero exit code so that fsck(8) 84 * can probe our support for -F. The exit code 85 * doesn't really matter, but we use an unusual one 86 * in case someone tries -F directly. The -F flag 87 * is intentionally left out of the usage message. 88 */ 89 exit(5); 90 case 'n': 91 alwaysno = 1; 92 alwaysyes = 0; 93 break; 94 case 'y': 95 alwaysyes = 1; 96 alwaysno = 0; 97 break; 98 99 case 'p': 100 preen = 1; 101 break; 102 103 case 'M': 104 allow_mmap = 0; 105 break; 106 107 default: 108 usage(); 109 break; 110 } 111 } 112 argc -= optind; 113 argv += optind; 114 115 if (!argc) 116 usage(); 117 118 while (--argc >= 0) { 119 setcdevname(*argv, preen); 120 erg = checkfilesys(*argv++); 121 if (erg > ret) 122 ret = erg; 123 } 124 125 return ret; 126 } 127 128 129 /*VARARGS*/ 130 int 131 ask(int def, const char *fmt, ...) 132 { 133 va_list ap; 134 135 char prompt[256]; 136 int c; 137 138 if (alwaysyes || alwaysno || rdonly) 139 def = (alwaysyes && !rdonly && !alwaysno); 140 141 if (preen) { 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 va_end(ap); 150 if (alwaysyes || alwaysno || rdonly) { 151 printf("%s? %s\n", prompt, def ? "yes" : "no"); 152 return def; 153 } 154 do { 155 printf("%s? [yn] ", prompt); 156 fflush(stdout); 157 c = getchar(); 158 while (c != '\n' && getchar() != '\n') 159 if (feof(stdin)) 160 return 0; 161 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 162 return c == 'y' || c == 'Y'; 163 } 164