C++ (Cpp) common_inode_args_processの例

コード例 #1

ファイル: extent_inode.c プロジェクト: Angeloyd/e2fsprogs

void do_extent_open(int argc, char *argv[])
{
	ext2_ino_t	inode;
	int		ret;
	errcode_t	retval;
	char		*cp;

	if (check_fs_open(argv[0]))
		return;

	if (argc == 1) {
		if (current_ino)
			printf("Current inode is %d\n", current_ino);
		else
			printf("No current inode\n");
		return;
	}

	if (common_inode_args_process(argc, argv, &inode, 0))
		return;

	current_ino = 0;

	retval = ext2fs_extent_open(current_fs, inode, &current_handle);
	if (retval) {
		com_err(argv[1], retval, "while opening extent handle");
		return;
	}

	current_ino = inode;

	orig_prompt = ss_get_prompt(sci_idx);
	extent_prompt = malloc(strlen(orig_prompt) + 32);
	strcpy(extent_prompt, orig_prompt);
	cp = strchr(extent_prompt, ':');
	if (cp)
		*cp = 0;
	sprintf(extent_prompt + strlen(extent_prompt), " (extent ino %d): ",
		current_ino);
	ss_add_request_table(sci_idx, &extent_cmds, 1, &ret);
	ss_set_prompt(sci_idx, extent_prompt);
	return;
}

コード例 #2

ファイル: htree.c プロジェクト: AOSP-JF/platform_external_e2fsprogs

void do_htree_dump(int argc, char *argv[])
{
	ext2_ino_t	ino;
	struct ext2_inode inode;
	blk64_t		blk;
	char		*buf = NULL;
	struct 		ext2_dx_root_info  *rootnode;
	struct 		ext2_dx_entry *ent;
	errcode_t	errcode;

	if (check_fs_open(argv[0]))
		return;

	pager = open_pager();

	if (common_inode_args_process(argc, argv, &ino, 0))
		goto errout;

	if (debugfs_read_inode(ino, &inode, argv[1]))
		goto errout;

	if (!LINUX_S_ISDIR(inode.i_mode)) {
		com_err(argv[0], 0, "Not a directory");
		goto errout;
	}

	if ((inode.i_flags & EXT2_BTREE_FL) == 0) {
		com_err(argv[0], 0, "Not a hash-indexed directory");
		goto errout;
	}

	buf = malloc(2*current_fs->blocksize);
	if (!buf) {
		com_err(argv[0], 0, "Couldn't allocate htree buffer");
		goto errout;
	}

	errcode = ext2fs_bmap2(current_fs, ino, &inode, buf, 0, 0, 0, &blk);
	if (errcode) {
		com_err("do_htree_block", errcode,
			"while mapping logical block 0\n");
		goto errout;
	}

	errcode = io_channel_read_blk64(current_fs->io, blk,
					1, buf);
	if (errcode) {
		com_err(argv[0], errcode, "Error reading root node");
		goto errout;
	}

	rootnode = (struct ext2_dx_root_info *) (buf + 24);

	fprintf(pager, "Root node dump:\n");
	fprintf(pager, "\t Reserved zero: %u\n", rootnode->reserved_zero);
	fprintf(pager, "\t Hash Version: %d\n", rootnode->hash_version);
	fprintf(pager, "\t Info length: %d\n", rootnode->info_length);
	fprintf(pager, "\t Indirect levels: %d\n", rootnode->indirect_levels);
	fprintf(pager, "\t Flags: %d\n", rootnode->unused_flags);

	ent = (struct ext2_dx_entry *) (buf + 24 + rootnode->info_length);

	htree_dump_int_node(current_fs, ino, &inode, rootnode, ent,
			    buf + current_fs->blocksize,
			    rootnode->indirect_levels);

errout:
	free(buf);
	close_pager(pager);
}