1 /* $OpenBSD: main.c,v 1.3 1996/06/23 14:30:45 deraadt Exp $ */ 2 /* $NetBSD: main.c,v 1.1.4.1 1996/05/31 18:41:54 jtc Exp $ */ 3 4 /* 5 * Copyright (C) 1995 Wolfgang Solfrank 6 * Copyright (c) 1995 Martin Husemann 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Martin Husemann 19 * and Wolfgang Solfrank. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 37 #ifndef lint 38 static char rcsid[] = "$OpenBSD: main.c,v 1.3 1996/06/23 14:30:45 deraadt Exp $"; 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 #if __STDC__ 48 #include <stdarg.h> 49 #else 50 #include <varargs.h> 51 #endif 52 53 #include "ext.h" 54 55 int alwaysno; /* assume "no" for all questions */ 56 int alwaysyes; /* assume "yes" for all questions */ 57 int preen; /* set when preening */ 58 int rdonly; /* device is opened read only (supersedes above) */ 59 60 char *fname; /* filesystem currently checked */ 61 62 static void 63 usage() 64 { 65 errexit("Usage: fsck_msdos [-pny] filesystem ... \n"); 66 } 67 68 int 69 main(argc, argv) 70 int argc; 71 char **argv; 72 { 73 extern int optind; 74 int ret = 0, erg; 75 int ch; 76 77 while ((ch = getopt(argc, argv, "vpyn")) != EOF) { 78 switch (ch) { 79 case 'n': 80 alwaysno = 1; 81 alwaysyes = preen = 0; 82 break; 83 case 'y': 84 alwaysyes = 1; 85 alwaysno = preen = 0; 86 break; 87 88 case 'p': 89 preen = 1; 90 alwaysyes = alwaysno = 0; 91 break; 92 93 default: 94 usage(); 95 break; 96 } 97 } 98 argc -= optind; 99 argv += optind; 100 101 if (!argc) 102 usage(); 103 104 while (argc-- > 0) { 105 erg = checkfilesys(fname = *argv++); 106 if (erg > ret) 107 ret = erg; 108 } 109 exit(ret); 110 } 111 112 /*VARARGS*/ 113 void 114 #if __STDC__ 115 errexit(const char *fmt, ...) 116 #else 117 errexit(fmt, va_alist) 118 char *fmt; 119 va_dcl 120 #endif 121 { 122 va_list ap; 123 124 #if __STDC__ 125 va_start(ap, fmt); 126 #else 127 va_start(ap); 128 #endif 129 vprintf(fmt, ap); 130 va_end(ap); 131 exit(8); 132 } 133 134 /*VARARGS*/ 135 void 136 #if __STDC__ 137 pfatal(const char *fmt, ...) 138 #else 139 pfatal(fmt, va_alist) 140 char *fmt; 141 va_dcl 142 #endif 143 { 144 va_list ap; 145 146 if (preen) 147 printf("%s: ", fname); 148 #if __STDC__ 149 va_start(ap, fmt); 150 #else 151 va_start(ap); 152 #endif 153 vprintf(fmt, ap); 154 va_end(ap); 155 printf("\n"); 156 if (preen) 157 exit(8); 158 } 159 160 /*VARARGS*/ 161 void 162 #if __STDC__ 163 pwarn(const char *fmt, ...) 164 #else 165 pwarn(fmt, va_alist) 166 char *fmt; 167 va_dcl 168 #endif 169 { 170 va_list ap; 171 172 if (preen) 173 printf("%s: ", fname); 174 #if __STDC__ 175 va_start(ap, fmt); 176 #else 177 va_start(ap); 178 #endif 179 vprintf(fmt, ap); 180 va_end(ap); 181 } 182 183 void 184 perror(s) 185 const char *s; 186 { 187 pfatal("%s (%s)", s, strerror(errno)); 188 } 189 190 /*VARARGS*/ 191 int 192 #if __STDC__ 193 ask(int def, const char *fmt, ...) 194 #else 195 ask(def, fmt, va_alist) 196 int def; 197 char *fmt; 198 va_dcl 199 #endif 200 { 201 va_list ap; 202 203 char prompt[256]; 204 int c; 205 206 if (preen) { 207 if (rdonly) 208 def = 0; 209 if (def) 210 printf("FIXED\n"); 211 return def; 212 } 213 214 #if __STDC__ 215 va_start(ap, fmt); 216 #else 217 va_start(ap); 218 #endif 219 vsnprintf(prompt, sizeof(prompt), fmt, ap); 220 if (alwaysyes || rdonly) { 221 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 222 return !rdonly; 223 } 224 do { 225 printf("%s? [yn] ", prompt); 226 fflush(stdout); 227 c = getchar(); 228 while (c != '\n' && getchar() != '\n') 229 if (feof(stdin)) 230 return 0; 231 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 232 return c == 'y' || c == 'Y'; 233 } 234