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main.c revision 1.10 
      1 /*	$NetBSD: main.c,v 1.10 1997/10/01 02:18:14 enami 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 1.10 1997/10/01 02:18:14 enami 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 "fsutil.h"
     54 #include "ext.h"
     55 
     56 int alwaysno;		/* assume "no" for all questions */
     57 int alwaysyes;		/* assume "yes" for all questions */
     58 int preen;		/* set when preening */
     59 int rdonly;		/* device is opened read only (supersedes above) */
     60 
     61 static void usage __P((void));
     62 int main __P((int, char **));
     63 
     64 static void
     65 usage()
     66 {
     67 	errexit("Usage: fsck_msdos [-fnpy] filesystem ... \n");
     68 }
     69 
     70 int
     71 main(argc, argv)
     72 	int argc;
     73 	char **argv;
     74 {
     75 	int ret = 0, erg;
     76 	int ch;
     77 
     78 	while ((ch = getopt(argc, argv, "pynf")) != -1) {
     79 		switch (ch) {
     80 		case 'f':
     81 			/*
     82 			 * We are always forced, since we don't
     83 			 * have a clean flag
     84 			 */
     85 			break;
     86 		case 'n':
     87 			alwaysno = 1;
     88 			alwaysyes = preen = 0;
     89 			break;
     90 		case 'y':
     91 			alwaysyes = 1;
     92 			alwaysno = preen = 0;
     93 			break;
     94 
     95 		case 'p':
     96 			preen = 1;
     97 			alwaysyes = alwaysno = 0;
     98 			break;
     99 
    100 		default:
    101 			usage();
    102 			break;
    103 		}
    104 	}
    105 	argc -= optind;
    106 	argv += optind;
    107 
    108 	if (!argc)
    109 		usage();
    110 
    111 	while (--argc >= 0) {
    112 		setcdevname(*argv, preen);
    113 		erg = checkfilesys(*argv++);
    114 		if (erg > ret)
    115 			ret = erg;
    116 	}
    117 
    118 	return ret;
    119 }
    120 
    121 
    122 /*VARARGS*/
    123 int
    124 #if __STDC__
    125 ask(int def, const char *fmt, ...)
    126 #else
    127 ask(def, fmt, va_alist)
    128 	int def;
    129 	char *fmt;
    130 	va_dcl
    131 #endif
    132 {
    133 	va_list ap;
    134 
    135 	char prompt[256];
    136 	int c;
    137 
    138 	if (preen) {
    139 		if (rdonly)
    140 			def = 0;
    141 		if (def)
    142 			printf("FIXED\n");
    143 		return def;
    144 	}
    145 
    146 #if __STDC__
    147 	va_start(ap, fmt);
    148 #else
    149 	va_start(ap);
    150 #endif
    151 	vsnprintf(prompt, sizeof(prompt), fmt, ap);
    152 	if (alwaysyes || rdonly) {
    153 		printf("%s? %s\n", prompt, rdonly ? "no" : "yes");
    154 		return !rdonly;
    155 	}
    156 	do {
    157 		printf("%s? [yn] ", prompt);
    158 		fflush(stdout);
    159 		c = getchar();
    160 		while (c != '\n' && getchar() != '\n')
    161 			if (feof(stdin))
    162 				return 0;
    163 	} while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
    164 	return c == 'y' || c == 'Y';
    165 }
    166