file_systems/fat/file.cpp

31 	mode_t result = S_IFREG | S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR | S_IWGRP | S_IWOTH;
33 		result &= ~S_IFREG;
34 		result |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
37 		result &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
39 	return result;
50 	status_t result = B_OK;
55 		result = write_vnode_entry(vol, node);
57 	return result;
72 	status_t result = get_vnode(_vol, node->dir_vnid, (void**)&parent_node);
73 	if (result != B_OK)
74 		return result;
306 	status_t	result = EINVAL;
338 		if ((result = set_fat_chain_length(vol, node, 0, false)) != B_OK) {
340 			return result;
353 	result = B_OK;
355 	return result;
366 	int result = B_OK;
382 	result = file_cache_read(node->cache, cookie, pos, buf, len);
384 	if (result != B_OK) {
385 		DPRINTF(0, ("dosfs_read (%s)\n", strerror(result)));
390 	return result;
401 	int result = B_OK;
445 			if ((result = set_fat_chain_length(vol, node, clusters, false))
447 				return result;
464 	result = _update_last_modified(vol, node, false);
465 	if (result != B_OK) {
467 			node->filename, strerror(result));
471 	result = file_cache_write(node->cache, cookie, pos, buf, len);
472 	return result;
519 	status_t result = EINVAL;
555 	result = findfile_case_duplicates(vol, dir, name, vnid, &file, &dups_exist);
556 	if (result == B_OK) {
580 	} else if (result == ENOENT && dups_exist) {
584 	} else if (result == ENOENT && !dups_exist) {
596 		if ((result = create_dir_entry(vol, dir, &dummy, name, &(dummy.sindex), &(dummy.eindex))) != B_OK) {
597 			dprintf("dosfs_create: error creating directory entry for %s (%s)\n", name, strerror(result));
598 			return result;
601 		result = _update_last_modified(vol, dir, true);
602 		if (result != B_OK) {
605 				dir->filename, strerror(result));
612 			if ((result = add_to_vcache(vol, dummy.vnid, GENERATE_DIR_INDEX_VNID(dummy.dir_vnid, dummy.sindex))) < 0) {
616 				return result;
621 		result = get_vnode(_vol, *vnid, (void **)&file);
622 		if (result < B_OK) {
625 			return result;
628 		return result;
649 	status_t result = EINVAL;
684 	if ((result = allocate_n_fat_entries(vol, 1, (int32 *)&(dummy.cluster))) < 0) {
685 		dprintf("dosfs_mkdir: error allocating space for %s (%s))\n", name, strerror(result));
701 		if ((result = add_to_vcache(vol, dummy.vnid, GENERATE_DIR_CLUSTER_VNID(dummy.dir_vnid, dummy.cluster))) < 0)
705 	if ((result = dlist_add(vol, dummy.vnid)) < 0) {
706 		dprintf("dosfs_mkdir: error adding directory %s to dlist (%s)\n", name, strerror(result));
712 		result = ENOMEM;
716 	if ((result = create_dir_entry(vol, dir, &dummy, name, &(dummy.sindex), &(dummy.eindex))) != B_OK) {
717 		dprintf("dosfs_mkdir: error creating directory entry for %s (%s))\n", name, strerror(result));
779 	result = B_OK;
785 	return result;
800 	if (result != B_OK) DPRINTF(0, ("dosfs_mkdir (%s)\n", strerror(result)));
801 	return result;
809 	status_t result = EINVAL;
841 	if ((result = findfile_case(vol,odir,oldname,NULL,&file)) != B_OK) {
844 		return result;
860 				result = EINVAL;
867 			result = get_vnode(_vol, vnid, (void **)&dir);
868 			if (result < B_OK)
877 	result = findfile_case_duplicates(vol, ndir, newname, NULL, &file2, &dups_exist);
878 	if (result == B_OK) {
881 			result = EPERM;
887 			result = EPERM;
909 		if ((result = erase_dir_entry(vol, file)) != B_OK) {
910 			dprintf("dosfs_rename: error erasing old directory entry for %s (%s)\n", newname, strerror(result));
913 	} else if (result == ENOENT && (!dups_exist || (odir->vnid == ndir->vnid && !strcasecmp(oldname, newname)))) {
919 		if ((result = erase_dir_entry(vol, file)) != B_OK) {
920 			dprintf("dosfs_rename: error erasing old directory entry for %s (%s)\n", newname, strerror(result));
927 		if ((result = create_dir_entry(vol, ndir, file, newname, &ns, &ne)) != B_OK) {
931 	} else if (result == ENOENT && dups_exist) {
933 		result = EEXIST;
949 		result = _update_last_modified(vol, odir, true);
950 		if (result != B_OK) {
952 				"%s (%s)\n", odir->filename, strerror(result));
953 			return result;
955 		result = _update_last_modified(vol, ndir, true);
956 		if (result != B_OK) {
958 				"%s (%s)\n", ndir->filename, strerror(result));
959 			return result;
982 			result = EIO;
990 			result = EIO;
1020 	result = 0;
1023 	if (result != B_OK)
1029 	if (result != B_OK) DPRINTF(0, ("dosfs_rename (%s)\n", strerror(result)));
1030 	return result;
1049 	status_t result = _update_parent_last_modified(_vol, _node);
1050 	if (result != B_OK) {
1052 			"deleting %s (%s)\n", node->filename, strerror(result));
1053 		return result;
1089 	status_t result = EINVAL;
1110 	if ((result = findfile_case(vol,dir,name,&vnid,&file)) != B_OK) {
1118 		result = EPERM;
1126 			result = EISDIR;
1131 			result = ENOTDIR;
1139 			result = EPERM;
1143 		if ((result = check_dir_empty(vol, file)) < 0) {
1144 			if (result == ENOTEMPTY) DPRINTF(0, ("dosfs_rmdir called on non-empty directory\n"));
1150 	if ((result = erase_dir_entry(vol, file)) != B_OK)
1173 	result = 0;
1180 	if (result != B_OK) DPRINTF(0, ("do_unlink (%s)\n", strerror(result)));
1182 	return result;
1306 	status_t result;
1335 	result = init_csi(vol, node->cluster, 0, &iter);
1336 	if (result != B_OK) {
1344 		result = iter_csi(&iter, skipSectors);
1345 		if (result != B_OK) {
1362 			result = iter_csi(&iter, 1);
1363 			if (result != B_OK) {