| /* dosfsck.c - User interface |
| |
| Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch> |
| Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| On Debian systems, the complete text of the GNU General Public License |
| can be found in /usr/share/common-licenses/GPL-3 file. |
| */ |
| |
| /* FAT32, VFAT, Atari format support, and various fixes additions May 1998 |
| * by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */ |
| |
| |
| #include "version.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdlib.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; |
| int atari_format = 0; |
| unsigned n_files = 0; |
| void *mem_queue = NULL; |
| |
| |
| static void usage(char *name) |
| { |
| fprintf(stderr,"usage: %s [-aAflrtvVwy] [-d path -d ...] " |
| "[-u path -u ...]\n%15sdevice\n",name,""); |
| fprintf(stderr," -a automatically repair the file system\n"); |
| fprintf(stderr," -A toggle Atari file system format\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," -n no-op, check non-interactively without changing\n"); |
| fprintf(stderr," -p same as -a, for compat with other *fsck\n"); |
| fprintf(stderr," -r interactively repair the file system\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"); |
| fprintf(stderr," -y same as -a, for compat with other *fsck\n"); |
| exit(2); |
| } |
| |
| |
| /* |
| * ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant |
| * of MS-DOS filesystem by default. |
| */ |
| static void check_atari( void ) |
| { |
| #ifdef __mc68000__ |
| FILE *f; |
| char line[128], *p; |
| |
| if (!(f = fopen( "/proc/hardware", "r" ))) { |
| perror( "/proc/hardware" ); |
| return; |
| } |
| |
| while( fgets( line, sizeof(line), f ) ) { |
| if (strncmp( line, "Model:", 6 ) == 0) { |
| p = line + 6; |
| p += strspn( p, " \t" ); |
| if (strncmp( p, "Atari ", 6 ) == 0) |
| atari_format = 1; |
| break; |
| } |
| } |
| fclose( f ); |
| #endif |
| } |
| |
| |
| int main(int argc,char **argv) |
| { |
| DOS_FS fs; |
| int rw,salvage_files,verify,c; |
| unsigned n_files_check=0, n_files_verify=0; |
| unsigned long free_clusters; |
| |
| rw = salvage_files = verify = 0; |
| interactive = 1; |
| check_atari(); |
| |
| while ((c = getopt(argc,argv,"Aad:flnprtu:vVwy")) != EOF) |
| switch (c) { |
| case 'A': /* toggle Atari format */ |
| atari_format = !atari_format; |
| break; |
| case 'a': |
| case 'p': |
| case 'y': |
| rw = 1; |
| interactive = 0; |
| // salvage_files = 1; |
| break; |
| case 'd': |
| file_add(optarg,fdt_drop); |
| break; |
| case 'f': |
| salvage_files = 1; |
| break; |
| case 'l': |
| list = 1; |
| break; |
| case 'n': |
| rw = 0; |
| interactive = 0; |
| 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 " VERSION " (" VERSION_DATE ")\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]); |
| |
| printf( "dosfsck " VERSION ", " VERSION_DATE ", FAT32, LFN\n" ); |
| 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); |
| free_clusters = update_free(&fs); |
| file_unused(); |
| qfree(&mem_queue); |
| n_files_check = n_files; |
| if (verify) { |
| n_files = 0; |
| printf("Starting verification pass.\n"); |
| read_fat(&fs); |
| scan_root(&fs); |
| reclaim_free(&fs); |
| qfree(&mem_queue); |
| n_files_verify = n_files; |
| } |
| |
| if (fs_changed()) { |
| if (rw) { |
| if (interactive) |
| rw = get_key("yn","Perform changes ? (y/n)") == 'y'; |
| else printf("Performing changes.\n"); |
| } |
| else |
| printf("Leaving file system unchanged.\n"); |
| } |
| |
| printf( "%s: %u files, %lu/%lu clusters\n", argv[optind], |
| n_files, fs.clusters - free_clusters, fs.clusters ); |
| |
| exit(fs_close(rw) ? 4 : 0); |
| } |
| |
| /* Local Variables: */ |
| /* tab-width: 8 */ |
| /* End: */ |