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$"; 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) __dead2; 59 60 static void 61 usage(void) 62 { 63 64 fprintf(stderr, "usage: fsck_msdos [-fnpy] filesystem ...\n"); 65 exit(1); 66 } 67 68 int 69 main(int argc, char **argv) 70 { 71 int ret = 0, erg; 72 int ch; 73 74 skipclean = 1; 75 while ((ch = getopt(argc, argv, "fFnpy")) != -1) { 76 switch (ch) { 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 = preen = 0; 93 break; 94 case 'y': 95 alwaysyes = 1; 96 alwaysno = preen = 0; 97 break; 98 99 case 'p': 100 preen = 1; 101 alwaysyes = alwaysno = 0; 102 break; 103 104 default: 105 usage(); 106 break; 107 } 108 } 109 argc -= optind; 110 argv += optind; 111 112 if (!argc) 113 usage(); 114 115 while (--argc >= 0) { 116 setcdevname(*argv, preen); 117 erg = checkfilesys(*argv++); 118 if (erg > ret) 119 ret = erg; 120 } 121 122 return ret; 123 } 124 125 126 /*VARARGS*/ 127 int 128 ask(int def, const char *fmt, ...) 129 { 130 va_list ap; 131 132 char prompt[256]; 133 int c; 134 135 if (preen) { 136 if (rdonly) 137 def = 0; 138 if (def) 139 printf("FIXED\n"); 140 return def; 141 } 142 143 va_start(ap, fmt); 144 vsnprintf(prompt, sizeof(prompt), fmt, ap); 145 if (alwaysyes || rdonly) { 146 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 147 return !rdonly; 148 } 149 do { 150 printf("%s? [yn] ", prompt); 151 fflush(stdout); 152 c = getchar(); 153 while (c != '\n' && getchar() != '\n') 154 if (feof(stdin)) 155 return 0; 156 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 157 return c == 'y' || c == 'Y'; 158 } 159