NetBSD/sbin/fsck_msdos/main.c

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/* $NetBSD: main.c,v 1.13 2002/05/25 23:45:13 wiz Exp $ */
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/*
* Copyright (C) 1995 Wolfgang Solfrank
* Copyright (c) 1995 Martin Husemann
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Martin Husemann
* and Wolfgang Solfrank.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: main.c,v 1.13 2002/05/25 23:45:13 wiz Exp $");
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#endif /* not lint */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <stdarg.h>
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#include "fsutil.h"
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#include "ext.h"
int alwaysno; /* assume "no" for all questions */
int alwaysyes; /* assume "yes" for all questions */
int preen; /* set when preening */
int rdonly; /* device is opened read only (supersedes above) */
static void usage __P((void));
int main __P((int, char **));
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static void
usage()
{
errexit("Usage: fsck_msdos [-fnpy] filesystem ... \n");
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}
int
main(argc, argv)
int argc;
char **argv;
{
int ret = 0, erg;
int ch;
while ((ch = getopt(argc, argv, "pynf")) != -1) {
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switch (ch) {
case 'f':
/*
* We are always forced, since we don't
* have a clean flag
*/
break;
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case 'n':
alwaysno = 1;
alwaysyes = preen = 0;
break;
case 'y':
alwaysyes = 1;
alwaysno = preen = 0;
break;
case 'p':
preen = 1;
alwaysyes = alwaysno = 0;
break;
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default:
usage();
break;
}
}
argc -= optind;
argv += optind;
if (!argc)
usage();
while (--argc >= 0) {
setcdevname(*argv, preen);
erg = checkfilesys(*argv++);
if (erg > ret)
ret = erg;
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}
return ret;
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}
/*VARARGS*/
int
ask(int def, const char *fmt, ...)
{
va_list ap;
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char prompt[256];
int c;
if (preen) {
if (rdonly)
def = 0;
if (def)
printf("FIXED\n");
return def;
}
va_start(ap, fmt);
vsnprintf(prompt, sizeof(prompt), fmt, ap);
va_end(ap);
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if (alwaysyes || rdonly) {
printf("%s? %s\n", prompt, rdonly ? "no" : "yes");
return !rdonly;
}
do {
printf("%s? [yn] ", prompt);
fflush(stdout);
c = getchar();
while (c != '\n' && getchar() != '\n')
if (feof(stdin))
return 0;
} while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
return c == 'y' || c == 'Y';
}