1 /* $OpenBSD: main.c,v 1.6 1997/02/28 08:38:26 millert 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 1.6 1997/02/28 08:38:26 millert 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, "vpynf")) != -1) { 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 case 'f': 94 break; 95 96 default: 97 usage(); 98 break; 99 } 100 } 101 argc -= optind; 102 argv += optind; 103 104 if (!argc) 105 usage(); 106 107 while (argc-- > 0) { 108 erg = checkfilesys(fname = *argv++); 109 if (erg > ret) 110 ret = erg; 111 } 112 exit(ret); 113 } 114 115 /*VARARGS*/ 116 void 117 #if __STDC__ 118 errexit(const char *fmt, ...) 119 #else 120 errexit(fmt, va_alist) 121 char *fmt; 122 va_dcl 123 #endif 124 { 125 va_list ap; 126 127 #if __STDC__ 128 va_start(ap, fmt); 129 #else 130 va_start(ap); 131 #endif 132 vprintf(fmt, ap); 133 va_end(ap); 134 exit(8); 135 } 136 137 /*VARARGS*/ 138 void 139 #if __STDC__ 140 pfatal(const char *fmt, ...) 141 #else 142 pfatal(fmt, va_alist) 143 char *fmt; 144 va_dcl 145 #endif 146 { 147 va_list ap; 148 149 if (preen) 150 printf("%s: ", fname); 151 #if __STDC__ 152 va_start(ap, fmt); 153 #else 154 va_start(ap); 155 #endif 156 vprintf(fmt, ap); 157 va_end(ap); 158 printf("\n"); 159 if (preen) 160 exit(8); 161 } 162 163 /*VARARGS*/ 164 void 165 #if __STDC__ 166 pwarn(const char *fmt, ...) 167 #else 168 pwarn(fmt, va_alist) 169 char *fmt; 170 va_dcl 171 #endif 172 { 173 va_list ap; 174 175 if (preen) 176 printf("%s: ", fname); 177 #if __STDC__ 178 va_start(ap, fmt); 179 #else 180 va_start(ap); 181 #endif 182 vprintf(fmt, ap); 183 va_end(ap); 184 } 185 186 void 187 perror(s) 188 const char *s; 189 { 190 pfatal("%s (%s)", s, strerror(errno)); 191 } 192 193 /*VARARGS*/ 194 int 195 #if __STDC__ 196 ask(int def, const char *fmt, ...) 197 #else 198 ask(def, fmt, va_alist) 199 int def; 200 char *fmt; 201 va_dcl 202 #endif 203 { 204 va_list ap; 205 206 char prompt[256]; 207 int c; 208 209 if (preen) { 210 if (rdonly) 211 def = 0; 212 if (def) 213 printf("FIXED\n"); 214 return def; 215 } 216 217 #if __STDC__ 218 va_start(ap, fmt); 219 #else 220 va_start(ap); 221 #endif 222 vsnprintf(prompt, sizeof(prompt), fmt, ap); 223 if (alwaysyes || rdonly) { 224 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 225 return !rdonly; 226 } 227 do { 228 printf("%s? [yn] ", prompt); 229 fflush(stdout); 230 c = getchar(); 231 while (c != '\n' && getchar() != '\n') 232 if (feof(stdin)) 233 return 0; 234 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 235 return c == 'y' || c == 'Y'; 236 } 237