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, "%s\n%s\n", 65 "usage: fsck_msdosfs -p [-f] filesystem ...", 66 " fsck_msdosfs [-ny] filesystem ..."); 67 exit(1); 68 } 69 70 int 71 main(int argc, char **argv) 72 { 73 int ret = 0, erg; 74 int ch; 75 76 skipclean = 1; 77 while ((ch = getopt(argc, argv, "fFnpy")) != -1) { 78 switch (ch) { 79 case 'f': 80 skipclean = 0; 81 break; 82 case 'F': 83 /* 84 * We can never run in the background. We must exit 85 * silently with a nonzero exit code so that fsck(8) 86 * can probe our support for -F. The exit code 87 * doesn't really matter, but we use an unusual one 88 * in case someone tries -F directly. The -F flag 89 * is intentionally left out of the usage message. 90 */ 91 exit(5); 92 case 'n': 93 alwaysno = 1; 94 alwaysyes = preen = 0; 95 break; 96 case 'y': 97 alwaysyes = 1; 98 alwaysno = preen = 0; 99 break; 100 101 case 'p': 102 preen = 1; 103 alwaysyes = alwaysno = 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 (preen) { 138 if (rdonly) 139 def = 0; 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 if (alwaysyes || rdonly) { 148 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 149 return !rdonly; 150 } 151 do { 152 printf("%s? [yn] ", prompt); 153 fflush(stdout); 154 c = getchar(); 155 while (c != '\n' && getchar() != '\n') 156 if (feof(stdin)) 157 return 0; 158 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 159 return c == 'y' || c == 'Y'; 160 } 161