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/* dosfsck.c - User interface */
/* Written 1993 by Werner Almesberger */
#include <stdio.h>
#include <unistd.h>
#include <getopt.h>
#include "common.h"
#include "dosfsck.h"
#include "io.h"
#include "boot.h"
#include "fat.h"
#include "file.h"
#include "check.h"
int interactive = 0,list = 0,test = 0,verbose = 0,write_immed = 0;
void *mem_queue = NULL;
static void usage(char *name)
{
fprintf(stderr,"usage: %s [ -aflrtvVw ] [ -d path -d ... ] "
"[ -u path -u ... ]\n%15sdevice\n",name,"");
fprintf(stderr," -a automatically repair the file system\n");
fprintf(stderr," -d path drop that file\n");
fprintf(stderr," -f salvage unused chains to files\n");
fprintf(stderr," -l list path names\n");
fprintf(stderr," -r interactively repair the file system (default)\n");
fprintf(stderr," -t test for bad clusters\n");
fprintf(stderr," -u path try to undelete that (non-directory) file\n");
fprintf(stderr," -v verbose mode\n");
fprintf(stderr," -V perform a verification pass\n");
fprintf(stderr," -w write changes to disk immediately\n");
exit(2);
}
int main(int argc,char **argv)
{
DOS_FS fs;
int rw,salvage_files,verify,c;
rw = salvage_files = verify = 0;
interactive = 1;
while ((c = getopt(argc,argv,"ad:flrtu:vVw")) != EOF)
switch (c) {
case 'a':
rw = 1;
interactive = 0;
break;
case 'd':
file_add(optarg,fdt_drop);
break;
case 'f':
salvage_files = 1;
break;
case 'l':
list = 1;
break;
case 'r':
rw = 1;
interactive = 1;
break;
case 't':
test = 1;
break;
case 'u':
file_add(optarg,fdt_undelete);
break;
case 'v':
verbose = 1;
printf("dosfsck 0.1 (May 8 1993)\n");
break;
case 'V':
verify = 1;
break;
case 'w':
write_immed = 1;
break;
default:
usage(argv[0]);
}
if ((test || write_immed) && !rw) {
fprintf(stderr,"-t and -w require -a or -r\n");
exit(2);
}
if (optind != argc-1) usage(argv[0]);
fs_open(argv[optind],rw);
read_boot(&fs);
if (verify) printf("Starting check/repair pass.\n");
while (read_fat(&fs), scan_root(&fs)) qfree(&mem_queue);
if (test) fix_bad(&fs);
if (salvage_files) reclaim_file(&fs);
else reclaim_free(&fs);
file_unused();
qfree(&mem_queue);
if (verify) {
printf("Starting verification pass.\n");
read_fat(&fs);
scan_root(&fs);
reclaim_free(&fs);
qfree(&mem_queue);
}
if (fs_changed() && rw)
if (interactive)
rw = get_key("yn","Perform changes ? (y/n)") == 'y';
else printf("Performing changes.\n");
return fs_close(rw) ? 1 : 0;
}
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