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61 lines
2.7 KiB
C
61 lines
2.7 KiB
C
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/**
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* ext2file.c - devoptab file 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 _EXT2FILE_H
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#define _EXT2FILE_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_file_state - File state
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*/
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typedef struct _ext2_file_state {
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ext2_vd *vd; /* Volume this file belongs to */
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ext2_inode_t *ni; /* File inode */
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ext2_file_t fd; /* File descriptor */
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int flags; /* Opening flags */
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bool read; /* True if allowed to read from file */
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bool write; /* True if allowed to write to file */
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bool append; /* True if allowed to append to file */
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// bool compressed; /* True if file data is compressed */
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// bool encrypted; /* True if file data is encryted */
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struct _ext2_file_state *prevOpenFile; /* The previous entry in a double-linked FILO list of open files */
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struct _ext2_file_state *nextOpenFile; /* The next entry in a double-linked FILO list of open files */
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} ext2_file_state;
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/* File state routines */
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void ext2CloseFile (ext2_file_state *file);
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/* Gekko devoptab file routines for EXT2-based devices */
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extern int ext2_open_r (struct _reent *r, void *fileStruct, const char *path, int flags, int mode);
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extern int ext2_close_r (struct _reent *r, int fd);
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extern ssize_t ext2_write_r (struct _reent *r, int fd, const char *ptr, size_t len);
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extern ssize_t ext2_read_r (struct _reent *r, int fd, char *ptr, size_t len);
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extern off_t ext2_seek_r (struct _reent *r, int fd, off_t pos, int dir);
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extern int ext2_fstat_r (struct _reent *r, int fd, struct stat *st);
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extern int ext2_ftruncate_r (struct _reent *r, int fd, off_t len);
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extern int ext2_fsync_r (struct _reent *r, int fd);
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#endif /* _EXT2FILE_H */
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