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 52 static void usage(void) __dead2; 53 54 static void 55 usage(void) 56 { 57 58 fprintf(stderr, "%s\n%s\n", 59 "usage: fsck_msdosfs -p [-f] filesystem ...", 60 " fsck_msdosfs [-ny] filesystem ..."); 61 exit(1); 62 } 63 64 int 65 main(int argc, char **argv) 66 { 67 int ret = 0, erg; 68 int ch; 69 70 skipclean = 1; 71 while ((ch = getopt(argc, argv, "CfFnpy")) != -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 default: 102 usage(); 103 break; 104 } 105 } 106 argc -= optind; 107 argv += optind; 108 109 if (!argc) 110 usage(); 111 112 while (--argc >= 0) { 113 setcdevname(*argv, preen); 114 erg = checkfilesys(*argv++); 115 if (erg > ret) 116 ret = erg; 117 } 118 119 return ret; 120 } 121 122 123 /*VARARGS*/ 124 int 125 ask(int def, const char *fmt, ...) 126 { 127 va_list ap; 128 129 char prompt[256]; 130 int c; 131 132 if (alwaysyes || alwaysno || rdonly) 133 def = (alwaysyes && !rdonly && !alwaysno); 134 135 if (preen) { 136 if (def) 137 printf("FIXED\n"); 138 return def; 139 } 140 141 va_start(ap, fmt); 142 vsnprintf(prompt, sizeof(prompt), fmt, ap); 143 va_end(ap); 144 if (alwaysyes || alwaysno || rdonly) { 145 printf("%s? %s\n", prompt, def ? "yes" : "no"); 146 return def; 147 } 148 do { 149 printf("%s? [yn] ", prompt); 150 fflush(stdout); 151 c = getchar(); 152 while (c != '\n' && getchar() != '\n') 153 if (feof(stdin)) 154 return 0; 155 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 156 return c == 'y' || c == 'Y'; 157 } 158