CfgUSBLoader/lib/libext2fs/source/ext2dir.h
2015-01-17 10:11:08 +00:00

70 lines
2.9 KiB
C

/**
* ext2_dir.h - devoptab directory routines for EXT2-based devices.
*
* Copyright (c) 2006 Michael "Chishm" Chisholm
* Copyright (c) 2009 Rhys "Shareese" Koedijk
* Copyright (c) 2010 Dimok
*
* 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; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _EXT2DIR_H
#define _EXT2DIR_H
#include <sys/reent.h>
#include "ext2_internal.h"
/**
* ext2_dir_entry - Directory entry
*/
typedef struct _ext2_dir_entry {
char *name;
struct _ext2_dir_entry *next;
} ext2_dir_entry;
/**
* ext2_dir_state - Directory state
*/
typedef struct _ext2_dir_state {
ext2_vd *vd; /* Volume this directory belongs to */
ext2_inode_t *ni; /* Directory descriptor */
unsigned short length; /* Directory length */
ext2_dir_entry *first; /* The first entry in the directory */
ext2_dir_entry *current; /* The current entry in the directory */
struct _ext2_dir_state *prevOpenDir; /* The previous entry in a double-linked FILO list of open directories */
struct _ext2_dir_state *nextOpenDir; /* The next entry in a double-linked FILO list of open directories */
} ext2_dir_state;
/* Directory state routines */
void ext2CloseDir (ext2_dir_state *file);
/* Gekko devoptab directory routines for EXT2-based devices */
extern int ext2_stat_r (struct _reent *r, const char *path, struct stat *st);
extern int ext2_link_r (struct _reent *r, const char *existing, const char *newLink);
extern int ext2_unlink_r (struct _reent *r, const char *name);
extern int ext2_chdir_r (struct _reent *r, const char *name);
extern int ext2_rename_r (struct _reent *r, const char *oldName, const char *newName);
extern int ext2_mkdir_r (struct _reent *r, const char *path, int mode);
extern int ext2_statvfs_r (struct _reent *r, const char *path, struct statvfs *buf);
/* Gekko devoptab directory walking routines for EXT2-based devices */
extern DIR_ITER *ext2_diropen_r (struct _reent *r, DIR_ITER *dirState, const char *path);
extern int ext2_dirreset_r (struct _reent *r, DIR_ITER *dirState);
extern int ext2_dirnext_r (struct _reent *r, DIR_ITER *dirState, char *filename, struct stat *filestat);
extern int ext2_dirclose_r (struct _reent *r, DIR_ITER *dirState);
#endif /* _EXT2DIR_H */