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, "CfFnpyM")) != -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 case 'M': 102 allow_mmap = 0; 103 break; 104 105 default: 106 usage(); 107 break; 108 } 109 } 110 argc -= optind; 111 argv += optind; 112 113 if (!argc) 114 usage(); 115 116 while (--argc >= 0) { 117 setcdevname(*argv, preen); 118 erg = checkfilesys(*argv++); 119 if (erg > ret) 120 ret = erg; 121 } 122 123 return ret; 124 } 125 126 127 /*VARARGS*/ 128 int 129 ask(int def, const char *fmt, ...) 130 { 131 va_list ap; 132 133 char prompt[256]; 134 int c; 135 136 if (alwaysyes || alwaysno || rdonly) 137 def = (alwaysyes && !rdonly && !alwaysno); 138 139 if (preen) { 140 if (def) 141 printf("FIXED\n"); 142 return def; 143 } 144 145 va_start(ap, fmt); 146 vsnprintf(prompt, sizeof(prompt), fmt, ap); 147 va_end(ap); 148 if (alwaysyes || alwaysno || rdonly) { 149 printf("%s? %s\n", prompt, def ? "yes" : "no"); 150 return def; 151 } 152 do { 153 printf("%s? [yn] ", prompt); 154 fflush(stdout); 155 c = getchar(); 156 while (c != '\n' && getchar() != '\n') 157 if (feof(stdin)) 158 return 0; 159 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 160 return c == 'y' || c == 'Y'; 161 } 162