1 /* $NetBSD: main.c,v 1.3 1996/09/11 20:35:14 christos Exp $ */ 2 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Martin Husemann 18 * and Wolfgang Solfrank. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 36 #ifndef lint 37 static char rcsid[] = "$NetBSD: main.c,v 1.3 1996/09/11 20:35:14 christos Exp $"; 38 #endif /* not lint */ 39 40 #include <stdlib.h> 41 #include <string.h> 42 #include <ctype.h> 43 #include <stdio.h> 44 #include <unistd.h> 45 #include <fstab.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 char *rawname __P((const char *)); 63 64 static void 65 usage() 66 { 67 errexit("Usage: fsck_msdos [-pny] filesystem ... \n"); 68 } 69 70 int 71 main(argc, argv) 72 int argc; 73 char **argv; 74 { 75 extern int optind; 76 int ret = 0, erg; 77 int ch; 78 79 while ((ch = getopt(argc, argv, "vpyn")) != EOF) { 80 switch (ch) { 81 case 'n': 82 alwaysno = 1; 83 alwaysyes = preen = 0; 84 break; 85 case 'y': 86 alwaysyes = 1; 87 alwaysno = preen = 0; 88 break; 89 90 case 'p': 91 preen = 1; 92 alwaysyes = alwaysno = 0; 93 break; 94 95 default: 96 usage(); 97 break; 98 } 99 } 100 argc -= optind; 101 argv += optind; 102 103 #define BADTYPE(type) \ 104 (strcmp(type, FSTAB_RO) && \ 105 strcmp(type, FSTAB_RW) && strcmp(type, FSTAB_RQ)) 106 107 if (argc == 0) { 108 struct fstab *fs; 109 110 if (!preen) 111 usage(); 112 113 while ((fs = getfsent()) != NULL) { 114 115 if (fs->fs_passno == 0) 116 continue; 117 118 if (BADTYPE(fs->fs_type)) 119 continue; 120 121 if (strcmp(fs->fs_vfstype, "msdos")) 122 continue; 123 124 erg = checkfilesys(fname = rawname(fs->fs_spec)); 125 126 if (erg > ret) 127 ret = erg; 128 } 129 130 } 131 else { 132 while (argc-- > 0) { 133 erg = checkfilesys(fname = *argv++); 134 if (erg > ret) 135 ret = erg; 136 } 137 } 138 139 return ret; 140 } 141 142 /*VARARGS*/ 143 void 144 #if __STDC__ 145 errexit(const char *fmt, ...) 146 #else 147 errexit(fmt, va_alist) 148 char *fmt; 149 va_dcl 150 #endif 151 { 152 va_list ap; 153 154 #if __STDC__ 155 va_start(ap, fmt); 156 #else 157 va_start(ap); 158 #endif 159 vprintf(fmt, ap); 160 va_end(ap); 161 exit(8); 162 } 163 164 /*VARARGS*/ 165 void 166 #if __STDC__ 167 pfatal(const char *fmt, ...) 168 #else 169 pfatal(fmt, va_alist) 170 char *fmt; 171 va_dcl 172 #endif 173 { 174 va_list ap; 175 176 if (preen) 177 printf("%s: ", fname); 178 #if __STDC__ 179 va_start(ap, fmt); 180 #else 181 va_start(ap); 182 #endif 183 vprintf(fmt, ap); 184 va_end(ap); 185 printf("\n"); 186 if (preen) 187 exit(8); 188 } 189 190 /*VARARGS*/ 191 void 192 #if __STDC__ 193 pwarn(const char *fmt, ...) 194 #else 195 pwarn(fmt, va_alist) 196 char *fmt; 197 va_dcl 198 #endif 199 { 200 va_list ap; 201 202 if (preen) 203 printf("%s: ", fname); 204 #if __STDC__ 205 va_start(ap, fmt); 206 #else 207 va_start(ap); 208 #endif 209 vprintf(fmt, ap); 210 va_end(ap); 211 } 212 213 void 214 perror(s) 215 const char *s; 216 { 217 pfatal("%s (%s)", s, strerror(errno)); 218 } 219 220 /*VARARGS*/ 221 int 222 #if __STDC__ 223 ask(int def, const char *fmt, ...) 224 #else 225 ask(def, fmt, va_alist) 226 int def; 227 char *fmt; 228 va_dcl 229 #endif 230 { 231 va_list ap; 232 233 char prompt[256]; 234 int c; 235 236 if (preen) { 237 if (rdonly) 238 def = 0; 239 if (def) 240 printf("FIXED\n"); 241 return def; 242 } 243 244 #if __STDC__ 245 va_start(ap, fmt); 246 #else 247 va_start(ap); 248 #endif 249 vsnprintf(prompt, sizeof(prompt), fmt, ap); 250 if (alwaysyes || rdonly) { 251 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 252 return !rdonly; 253 } 254 do { 255 printf("%s? [yn] ", prompt); 256 fflush(stdout); 257 c = getchar(); 258 while (c != '\n' && getchar() != '\n') 259 if (feof(stdin)) 260 return 0; 261 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 262 return c == 'y' || c == 'Y'; 263 } 264 265 static char * 266 rawname(name) 267 const char *name; 268 { 269 static char rawbuf[32]; 270 char *dp; 271 272 if ((dp = strrchr(name, '/')) == 0) 273 return (0); 274 *dp = 0; 275 (void)strcpy(rawbuf, name); 276 *dp = '/'; 277 (void)strcat(rawbuf, "/r"); 278 (void)strcat(rawbuf, &dp[1]); 279 return (rawbuf); 280 } 281