2015-12-23 00:50:04 +00:00

119 lines
3.1 KiB
C

/*
* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009, 2013
* The President and Fellows of Harvard College.
*
* 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. 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 UNIVERSITY AND CONTRIBUTORS ``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 UNIVERSITY OR CONTRIBUTORS 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 <assert.h>
#include <stdint.h>
#include <stdio.h>
#include <err.h>
#include "compat.h"
#include "disk.h"
#include "sfs.h"
#include "sb.h"
#include "freemap.h"
#include "inode.h"
#include "passes.h"
#include "main.h"
static int badness=0;
/*
* Update the badness state. (codes are in main.h)
*
* The badness state only gets worse, and is ultimately the process
* exit code.
*/
void
setbadness(int code)
{
if (badness < code) {
badness = code;
}
}
/*
* Main.
*/
int
main(int argc, char **argv)
{
#ifdef HOST
hostcompat_init(argc, argv);
#endif
/* FUTURE: add -n option */
if (argc!=2) {
errx(EXIT_USAGE, "Usage: sfsck device/diskfile");
}
opendisk(argv[1]);
sfs_setup();
sb_load();
sb_check();
freemap_setup();
printf("Phase 1 -- check blocks and sizes\n");
pass1();
freemap_check();
printf("Phase 2 -- check directory tree\n");
inode_sorttable();
pass2();
printf("Phase 3 -- check reference counts\n");
inode_adjust_filelinks();
closedisk();
warnx("%lu blocks used (of %lu); %lu directories; %lu files",
freemap_blocksused(), (unsigned long)sb_totalblocks(),
pass1_founddirs(), pass1_foundfiles());
switch (badness) {
case EXIT_USAGE:
case EXIT_FATAL:
default:
/* not supposed to happen here */
assert(0);
break;
case EXIT_UNRECOV:
warnx("WARNING - unrecoverable errors. Maybe try again?");
break;
case EXIT_RECOV:
warnx("Caution - filesystem modified. Run again for luck.");
break;
case EXIT_CLEAN:
break;
}
return badness;
}