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