1 /* $OpenBSD: main.c,v 1.19 2014/06/16 18:33:33 tobias Exp $ */ 2 /* $NetBSD: main.c,v 1.8 1996/10/17 20:29:53 cgd 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30 #include <stdlib.h> 31 #include <string.h> 32 #include <ctype.h> 33 #include <stdio.h> 34 #include <unistd.h> 35 #include <errno.h> 36 #include <stdarg.h> 37 38 #include "ext.h" 39 40 int alwaysno; /* assume "no" for all questions */ 41 int alwaysyes; /* assume "yes" for all questions */ 42 int preen; /* set when preening */ 43 int rdonly; /* device is opened read only (supersedes above) */ 44 45 static void usage(void); 46 int main(int, char **); 47 48 static void 49 usage(void) 50 { 51 errexit("usage: fsck_msdos [-fnpy] filesystem ...\n"); 52 } 53 54 int 55 main(int argc, char *argv[]) 56 { 57 int ret = 0, erg; 58 int ch; 59 60 while ((ch = getopt(argc, argv, "pynf")) != -1) { 61 switch (ch) { 62 case 'f': 63 /* Ignore for consistency with fsck_ffs */ 64 break; 65 66 case 'n': 67 alwaysno = 1; 68 alwaysyes = preen = 0; 69 break; 70 71 case 'y': 72 alwaysyes = 1; 73 alwaysno = preen = 0; 74 break; 75 76 case 'p': 77 preen = 1; 78 alwaysyes = alwaysno = 0; 79 break; 80 81 default: 82 usage(); 83 break; 84 } 85 } 86 argc -= optind; 87 argv += optind; 88 89 if (!argc) 90 usage(); 91 92 while (argc-- > 0) { 93 setcdevname(*argv, NULL, preen); 94 erg = checkfilesys(blockcheck(*argv++)); 95 if (erg > ret) 96 ret = erg; 97 } 98 exit(ret); 99 } 100 101 /*VARARGS*/ 102 int 103 ask(int def, const char *fmt, ...) 104 { 105 va_list ap; 106 107 char prompt[256]; 108 int c; 109 110 if (preen) { 111 if (rdonly) 112 def = 0; 113 if (def) 114 printf("FIXED\n"); 115 return (def); 116 } 117 118 va_start(ap, fmt); 119 vsnprintf(prompt, sizeof(prompt), fmt, ap); 120 va_end(ap); 121 if (alwaysyes || rdonly) { 122 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 123 return (!rdonly); 124 } 125 do { 126 printf("%s? [Fyn] ", prompt); 127 fflush(stdout); 128 c = getchar(); 129 if (c == 'F') { 130 alwaysyes = 1; 131 return (1); 132 } 133 while (c != '\n' && getchar() != '\n') 134 if (feof(stdin)) 135 return (0); 136 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 137 return (c == 'y' || c == 'Y'); 138 } 139