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 * $NetBSD: main.c,v 1.10 1997/10/01 02:18:14 enami Exp $ 33 * $FreeBSD: src/sbin/fsck_msdosfs/main.c,v 1.4.2.1 2001/08/01 05:47:56 obrien Exp $ 34 */ 35 36 #include <stdlib.h> 37 #include <string.h> 38 #include <ctype.h> 39 #include <stdio.h> 40 #include <unistd.h> 41 #include <errno.h> 42 #include <stdarg.h> 43 44 #include "fsutil.h" 45 #include "ext.h" 46 47 int alwaysno; /* assume "no" for all questions */ 48 int alwaysyes; /* assume "yes" for all questions */ 49 int preen; /* set when preening */ 50 int rdonly; /* device is opened read only (supersedes above) */ 51 52 static void usage(void); 53 54 static void 55 usage(void) 56 { 57 errexit("Usage: fsck_msdos [-fnpy] filesystem ... \n"); 58 } 59 60 int 61 main(int argc, char **argv) 62 { 63 int ret = 0, erg; 64 int ch; 65 66 while ((ch = getopt(argc, argv, "fFnpy")) != -1) { 67 switch (ch) { 68 case 'f': 69 /* 70 * We are always forced, since we don't 71 * have a clean flag 72 */ 73 break; 74 case 'F': 75 /* 76 * We can never run in the background. We must exit 77 * silently with a nonzero exit code so that fsck(8) 78 * can probe our support for -F. The exit code 79 * doesn't really matter, but we use an unusual one 80 * in case someone tries -F directly. The -F flag 81 * is intentionally left out of the usage message. 82 */ 83 exit(5); 84 break; 85 case 'n': 86 alwaysno = 1; 87 alwaysyes = preen = 0; 88 break; 89 case 'y': 90 alwaysyes = 1; 91 alwaysno = preen = 0; 92 break; 93 94 case 'p': 95 preen = 1; 96 alwaysyes = alwaysno = 0; 97 break; 98 99 default: 100 usage(); 101 break; 102 } 103 } 104 argc -= optind; 105 argv += optind; 106 107 if (!argc) 108 usage(); 109 110 while (--argc >= 0) { 111 setcdevname(*argv, preen); 112 erg = checkfilesys(*argv++); 113 if (erg > ret) 114 ret = erg; 115 } 116 117 return ret; 118 } 119 120 121 /*VARARGS*/ 122 int 123 ask(int def, const char *fmt, ...) 124 { 125 va_list ap; 126 127 char prompt[256]; 128 int c; 129 130 if (preen) { 131 if (rdonly) 132 def = 0; 133 if (def) 134 printf("FIXED\n"); 135 return def; 136 } 137 138 va_start(ap, fmt); 139 vsnprintf(prompt, sizeof(prompt), fmt, ap); 140 if (alwaysyes || rdonly) { 141 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 142 return !rdonly; 143 } 144 do { 145 printf("%s? [yn] ", prompt); 146 fflush(stdout); 147 c = getchar(); 148 while (c != '\n' && getchar() != '\n') 149 if (feof(stdin)) 150 return 0; 151 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 152 return c == 'y' || c == 'Y'; 153 } 154