81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/*
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* libhfs - library for reading and writing Macintosh HFS volumes.
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*
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* a record contains a key and a folder or file and is part
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* of a btree.
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*
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* Copyright (C) 2000 Klaus Halfmann <khalfmann@libra.de>
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* Original 1996-1998 Robert Leslie <rob@mars.org>
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* Additional work by Brad Boyer (flar@pants.nu)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* $Id: record.h,v 1.10 2000/10/01 17:08:05 hasi Exp $
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*/
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/* Compare two cat_keys ... */
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extern int record_key_compare(void* k1, void* k2);
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/* Compare two extent_keys ... */
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extern int record_extent_key_compare(void* k1, void* k2);
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/* read a catalog key into a given buffer */
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extern void* record_readkey(void* p, void* buf);
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/* read an extent key into a given buffer */
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extern void* record_extent_readkey(void* p, void* buf);
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/* intialize the record to the first record of the tree
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* which is (per design) the root node.
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*/
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extern int record_init_root(record* r, btree* tree);
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/* intialize the record to the folder given by cnid.
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*/
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extern int record_init_cnid(record* r, btree* tree, UInt32 cnid);
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/* intialize the record to the first record of the parent.
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*/
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extern int record_init_parent(record* r, record* parent);
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/* intialize the record by searching for the given string in the given folder.
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*
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* parent and r may be the same.
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*/
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extern int record_init_string_parent(record* r, record* parent, char* key);
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/* move record up in folder hierarchy (if possible) */
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extern int record_up(record* r);
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/* move record foreward to next entry.
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*
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* In case of an error the value of *r is undefined !
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*/
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extern int record_next(record* r);
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/* intialize the extent_record to the extent identified by
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* a given file */
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extern int record_init_file(extent_record* r, btree* tree,
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UInt8 forktype, UInt32 fileId, UInt32 blockindex);
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/* move foreward to next entent record. */
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extern int record_next_extent(extent_record *r);
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#ifdef DEBUG
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/* Dump all the record information to stdout */
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extern void record_print(record* r);
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#endif
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