1 /* $NetBSD: main.c,v 1.20 2008/02/24 00:59:03 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 #include <sys/cdefs.h> 37 #ifndef lint 38 __RCSID("$NetBSD: main.c,v 1.20 2008/02/24 00:59:03 christos Exp $"); 39 #endif /* not lint */ 40 41 #include <stdlib.h> 42 #include <string.h> 43 #include <stdio.h> 44 #include <unistd.h> 45 #include <errno.h> 46 #include <stdarg.h> 47 #include <signal.h> 48 49 #include "fsutil.h" 50 #include "ext.h" 51 #include "exitvalues.h" 52 53 int alwaysno; /* assume "no" for all questions */ 54 int alwaysyes; /* assume "yes" for all questions */ 55 int preen; /* set when preening */ 56 int rdonly; /* device is opened read only (supersedes above) */ 57 58 static void usage(void) __dead; 59 60 static void 61 usage(void) 62 { 63 (void)fprintf(stderr, "Usage: %s [-fnpy] filesystem ... \n", 64 getprogname()); 65 exit(FSCK_EXIT_USAGE); 66 } 67 68 static void 69 catch(int n) 70 { 71 exit(FSCK_EXIT_SIGNALLED); 72 } 73 74 int 75 main(int argc, char **argv) 76 { 77 int ret = FSCK_EXIT_OK, erg; 78 int ch; 79 80 while ((ch = getopt(argc, argv, "pPqynf")) != -1) { 81 switch (ch) { 82 case 'f': 83 /* 84 * We are always forced, since we don't 85 * have a clean flag 86 */ 87 break; 88 case 'n': 89 alwaysno = 1; 90 alwaysyes = preen = 0; 91 break; 92 case 'y': 93 alwaysyes = 1; 94 alwaysno = preen = 0; 95 break; 96 97 case 'p': 98 preen = 1; 99 alwaysyes = alwaysno = 0; 100 break; 101 102 case 'P': /* Progress meter not implemented. */ 103 break; 104 105 case 'q': /* Quiet not implemented. */ 106 break; 107 108 default: 109 usage(); 110 break; 111 } 112 } 113 argc -= optind; 114 argv += optind; 115 116 if (!argc) 117 usage(); 118 119 if (signal(SIGINT, SIG_IGN) != SIG_IGN) 120 (void) signal(SIGINT, catch); 121 if (preen) 122 (void) signal(SIGQUIT, catch); 123 124 while (--argc >= 0) { 125 setcdevname(*argv, preen); 126 erg = checkfilesys(*argv++); 127 if (erg > ret) 128 ret = erg; 129 } 130 131 return ret; 132 } 133 134 135 /*VARARGS*/ 136 int 137 ask(int def, const char *fmt, ...) 138 { 139 va_list ap; 140 141 char prompt[256]; 142 int c; 143 144 if (preen) { 145 if (rdonly) 146 def = 0; 147 if (def) 148 printf("FIXED\n"); 149 return def; 150 } 151 152 va_start(ap, fmt); 153 vsnprintf(prompt, sizeof(prompt), fmt, ap); 154 va_end(ap); 155 if (alwaysyes || rdonly) { 156 printf("%s? %s\n", prompt, rdonly ? "no" : "yes"); 157 return !rdonly; 158 } 159 do { 160 printf("%s? [yn] ", prompt); 161 fflush(stdout); 162 c = getchar(); 163 while (c != '\n' && getchar() != '\n') 164 if (feof(stdin)) 165 return 0; 166 } while (c != 'y' && c != 'Y' && c != 'n' && c != 'N'); 167 return c == 'y' || c == 'Y'; 168 } 169