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main.c revision 1.9 
      1 /*	$NetBSD: main.c,v 1.9 1997/09/14 14:40:14 lukem 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 1.9 1997/09/14 14:40:14 lukem 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 	extern int optind;
     76 	int ret = 0, erg;
     77 	int ch;
     78 
     79 	while ((ch = getopt(argc, argv, "pynf")) != -1) {
     80 		switch (ch) {
     81 		case 'f':
     82 			/*
     83 			 * We are always forced, since we don't
     84 			 * have a clean flag
     85 			 */
     86 			break;
     87 		case 'n':
     88 			alwaysno = 1;
     89 			alwaysyes = preen = 0;
     90 			break;
     91 		case 'y':
     92 			alwaysyes = 1;
     93 			alwaysno = preen = 0;
     94 			break;
     95 
     96 		case 'p':
     97 			preen = 1;
     98 			alwaysyes = alwaysno = 0;
     99 			break;
    100 
    101 		default:
    102 			usage();
    103 			break;
    104 		}
    105 	}
    106 	argc -= optind;
    107 	argv += optind;
    108 
    109 	if (!argc)
    110 		usage();
    111 
    112 	while (--argc >= 0) {
    113 		setcdevname(*argv, preen);
    114 		erg = checkfilesys(*argv++);
    115 		if (erg > ret)
    116 			ret = erg;
    117 	}
    118 
    119 	return ret;
    120 }
    121 
    122 
    123 /*VARARGS*/
    124 int
    125 #if __STDC__
    126 ask(int def, const char *fmt, ...)
    127 #else
    128 ask(def, fmt, va_alist)
    129 	int def;
    130 	char *fmt;
    131 	va_dcl
    132 #endif
    133 {
    134 	va_list ap;
    135 
    136 	char prompt[256];
    137 	int c;
    138 
    139 	if (preen) {
    140 		if (rdonly)
    141 			def = 0;
    142 		if (def)
    143 			printf("FIXED\n");
    144 		return def;
    145 	}
    146 
    147 #if __STDC__
    148 	va_start(ap, fmt);
    149 #else
    150 	va_start(ap);
    151 #endif
    152 	vsnprintf(prompt, sizeof(prompt), fmt, ap);
    153 	if (alwaysyes || rdonly) {
    154 		printf("%s? %s\n", prompt, rdonly ? "no" : "yes");
    155 		return !rdonly;
    156 	}
    157 	do {
    158 		printf("%s? [yn] ", prompt);
    159 		fflush(stdout);
    160 		c = getchar();
    161 		while (c != '\n' && getchar() != '\n')
    162 			if (feof(stdin))
    163 				return 0;
    164 	} while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
    165 	return c == 'y' || c == 'Y';
    166 }
    167