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70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
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/**
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* ext2_dir.h - devoptab directory routines for EXT2-based devices.
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*
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* Copyright (c) 2006 Michael "Chishm" Chisholm
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* Copyright (c) 2009 Rhys "Shareese" Koedijk
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* Copyright (c) 2010 Dimok
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*
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* This program/include file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by 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/include file is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of 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 Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _EXT2DIR_H
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#define _EXT2DIR_H
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#include <sys/reent.h>
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#include "ext2_internal.h"
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/**
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* ext2_dir_entry - Directory entry
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*/
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typedef struct _ext2_dir_entry {
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char *name;
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struct _ext2_dir_entry *next;
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} ext2_dir_entry;
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/**
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* ext2_dir_state - Directory state
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*/
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typedef struct _ext2_dir_state {
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ext2_vd *vd; /* Volume this directory belongs to */
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ext2_inode_t *ni; /* Directory descriptor */
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unsigned short length; /* Directory length */
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ext2_dir_entry *first; /* The first entry in the directory */
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ext2_dir_entry *current; /* The current entry in the directory */
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struct _ext2_dir_state *prevOpenDir; /* The previous entry in a double-linked FILO list of open directories */
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struct _ext2_dir_state *nextOpenDir; /* The next entry in a double-linked FILO list of open directories */
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} ext2_dir_state;
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/* Directory state routines */
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void ext2CloseDir (ext2_dir_state *file);
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/* Gekko devoptab directory routines for EXT2-based devices */
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extern int ext2_stat_r (struct _reent *r, const char *path, struct stat *st);
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extern int ext2_link_r (struct _reent *r, const char *existing, const char *newLink);
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extern int ext2_unlink_r (struct _reent *r, const char *name);
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extern int ext2_chdir_r (struct _reent *r, const char *name);
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extern int ext2_rename_r (struct _reent *r, const char *oldName, const char *newName);
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extern int ext2_mkdir_r (struct _reent *r, const char *path, int mode);
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extern int ext2_statvfs_r (struct _reent *r, const char *path, struct statvfs *buf);
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/* Gekko devoptab directory walking routines for EXT2-based devices */
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extern DIR_ITER *ext2_diropen_r (struct _reent *r, DIR_ITER *dirState, const char *path);
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extern int ext2_dirreset_r (struct _reent *r, DIR_ITER *dirState);
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extern int ext2_dirnext_r (struct _reent *r, DIR_ITER *dirState, char *filename, struct stat *filestat);
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extern int ext2_dirclose_r (struct _reent *r, DIR_ITER *dirState);
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#endif /* _EXT2DIR_H */
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