mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-15 16:05:10 +01:00
d90a6f0429
*updated libntfs-wii to version 2012.1.15 *updated libext2fs to e2fsprogs 1.42 *updated libfat to R4883
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/*
|
|
* runlist.h - Exports for runlist handling. Originated from the Linux-NTFS project.
|
|
*
|
|
* Copyright (c) 2002 Anton Altaparmakov
|
|
* Copyright (c) 2002 Richard Russon
|
|
*
|
|
* This program/include file 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/include file 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 (in the main directory of the NTFS-3G
|
|
* distribution in the file COPYING); if not, write to the Free Software
|
|
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _NTFS_RUNLIST_H
|
|
#define _NTFS_RUNLIST_H
|
|
|
|
#include "types.h"
|
|
|
|
/* Forward declarations */
|
|
typedef struct _runlist_element runlist_element;
|
|
typedef runlist_element runlist;
|
|
|
|
#include "attrib.h"
|
|
#include "volume.h"
|
|
|
|
/**
|
|
* struct _runlist_element - in memory vcn to lcn mapping array element.
|
|
* @vcn: starting vcn of the current array element
|
|
* @lcn: starting lcn of the current array element
|
|
* @length: length in clusters of the current array element
|
|
*
|
|
* The last vcn (in fact the last vcn + 1) is reached when length == 0.
|
|
*
|
|
* When lcn == -1 this means that the count vcns starting at vcn are not
|
|
* physically allocated (i.e. this is a hole / data is sparse).
|
|
*/
|
|
struct _runlist_element {/* In memory vcn to lcn mapping structure element. */
|
|
VCN vcn; /* vcn = Starting virtual cluster number. */
|
|
LCN lcn; /* lcn = Starting logical cluster number. */
|
|
s64 length; /* Run length in clusters. */
|
|
};
|
|
|
|
extern runlist_element *ntfs_rl_extend(ntfs_attr *na, runlist_element *rl,
|
|
int more_entries);
|
|
|
|
extern LCN ntfs_rl_vcn_to_lcn(const runlist_element *rl, const VCN vcn);
|
|
|
|
extern s64 ntfs_rl_pread(const ntfs_volume *vol, const runlist_element *rl,
|
|
const s64 pos, s64 count, void *b);
|
|
extern s64 ntfs_rl_pwrite(const ntfs_volume *vol, const runlist_element *rl,
|
|
s64 ofs, const s64 pos, s64 count, void *b);
|
|
|
|
extern runlist_element *ntfs_runlists_merge(runlist_element *drl,
|
|
runlist_element *srl);
|
|
|
|
extern runlist_element *ntfs_mapping_pairs_decompress(const ntfs_volume *vol,
|
|
const ATTR_RECORD *attr, runlist_element *old_rl);
|
|
|
|
extern int ntfs_get_nr_significant_bytes(const s64 n);
|
|
|
|
extern int ntfs_get_size_for_mapping_pairs(const ntfs_volume *vol,
|
|
const runlist_element *rl, const VCN start_vcn, int max_size);
|
|
|
|
extern int ntfs_write_significant_bytes(u8 *dst, const u8 *dst_max,
|
|
const s64 n);
|
|
|
|
extern int ntfs_mapping_pairs_build(const ntfs_volume *vol, u8 *dst,
|
|
const int dst_len, const runlist_element *rl,
|
|
const VCN start_vcn, runlist_element const **stop_rl);
|
|
|
|
extern int ntfs_rl_truncate(runlist **arl, const VCN start_vcn);
|
|
|
|
extern int ntfs_rl_sparse(runlist *rl);
|
|
extern s64 ntfs_rl_get_compressed_size(ntfs_volume *vol, runlist *rl);
|
|
|
|
#ifdef NTFS_TEST
|
|
int test_rl_main(int argc, char *argv[]);
|
|
#endif
|
|
|
|
#endif /* defined _NTFS_RUNLIST_H */
|
|
|