コード例 #1
0
ファイル: dosfsck.c プロジェクト: OPSF/uClinux
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;

    memset(&fs, 0, sizeof(fs));
    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 );

    return fs_close(rw) ? 1 : 0;
}