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/*
* libhfs - library for reading and writing Macintosh HFS volumes.
*
* a record contains a key and a folder or file and is part
* of a btree.
*
* Copyright (C) 2000 Klaus Halfmann <khalfmann@libra.de>
* Original 1996-1998 Robert Leslie <rob@mars.org>
* Additional work by Brad Boyer (flar@pants.nu)
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* $Id: record.h,v 1.10 2000/10/01 17:08:05 hasi Exp $
*/
/* Compare two cat_keys ... */
extern int record_key_compare(void* k1, void* k2);
/* Compare two extent_keys ... */
extern int record_extent_key_compare(void* k1, void* k2);
/* read a catalog key into a given buffer */
extern void* record_readkey(void* p, void* buf);
/* read an extent key into a given buffer */
extern void* record_extent_readkey(void* p, void* buf);
/* intialize the record to the first record of the tree
* which is (per design) the root node.
*/
extern int record_init_root(record* r, btree* tree);
/* intialize the record to the folder given by cnid.
*/
extern int record_init_cnid(record* r, btree* tree, UInt32 cnid);
/* intialize the record to the first record of the parent.
*/
extern int record_init_parent(record* r, record* parent);
/* intialize the record by searching for the given string in the given folder.
*
* parent and r may be the same.
*/
extern int record_init_string_parent(record* r, record* parent, char* key);
/* move record up in folder hierarchy (if possible) */
extern int record_up(record* r);
/* move record foreward to next entry.
*
* In case of an error the value of *r is undefined !
*/
extern int record_next(record* r);
/* intialize the extent_record to the extent identified by
* a given file */
extern int record_init_file(extent_record* r, btree* tree,
UInt8 forktype, UInt32 fileId, UInt32 blockindex);
/* move foreward to next entent record. */
extern int record_next_extent(extent_record *r);
#ifdef DEBUG
/* Dump all the record information to stdout */
extern void record_print(record* r);
#endif
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