2 * libhfs - library for reading and writing Macintosh HFS volumes.
4 * The fucntions are used to handle the various forms of btrees
5 * found on HFS+ volumes.
7 * Copyright (C) 2000 Klaus Halfmann <khalfmann@libra.de>
8 * Original 1996-1998 Robert Leslie <rob@mars.org>
9 * Additional work by Brad Boyer (flar@pants.nu)
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
26 * $Id: btree.h,v 1.10 2000/10/25 05:43:04 hasi Exp $
29 /** Intialize catalog btree, so that btree_close can safely be called. */
30 extern void btree_reset(btree* bt);
32 /** Intialize catalog btree */
33 extern int btree_init_cat(btree* bt, volume* vol, hfsp_fork_raw* fork);
35 /** Intialize extents btree */
36 extern int btree_init_extent(btree* bt, volume* vol, hfsp_fork_raw* fork);
38 /** close the btree and free any resources */
39 extern void btree_close(btree* bt);
41 /* Read node at given index */
42 extern node_buf* btree_node_by_index(btree* bt, UInt16 index);
44 /* returns pointer to key given by index in current node */
45 extern void* btree_key_by_index(btree* bt, node_buf* buf, UInt16 index);
48 /* Dump all the btree information to stdout */
49 extern void btree_print(btree* bt);