/*****************************************************************************\*              efs - General purpose Embedded Filesystem library              **          --------------------- -----------------------------------          **                                                                             ** Filename : file.h                                                           ** Description : Headerfile for file.c                                         **                                                                             ** This program 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; version 2                     ** of the License.                                                             *                                                                              ** This program 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.                                **                                                                             ** As a special exception, if other files instantiate templates or             ** use macros or inline functions from this file, or you compile this          ** file and link it with other works to produce a work based on this file,     ** this file does not by itself cause the resulting work to be covered         ** by the GNU General Public License. However the source code for this         ** file must still be made available in accordance with section (3) of         ** the GNU General Public License.                                             **                                                                             ** This exception does not invalidate any other reasons why a work based       ** on this file might be covered by the GNU General Public License.            **                                                                             **                                                    (c)2006 Lennart Yseboodt **                                                    (c)2006 Michael De Nil   *\*****************************************************************************/#ifndef __FILE_H_#define __FILE_H_/*****************************************************************************/#include "config.h"#include "error.h"#include "time.h"#include "fs.h"#include "dir.h"#include "plibc.h"#include "debug.h"#include "types.h"#include "fat.h"/*****************************************************************************/#define MODE_READ 0x72#define MODE_WRITE 0x77#define MODE_APPEND 0x61#define FILE_STATUS_OPEN 0#define FILE_STATUS_WRITE 1/*****************************************************************************\ *                              File                                          *                             ------                                         * FileRecord		DirEntry		Copy of the FileRecord for this file          * FileLocation	Location		Location of the direntry * FileSystem		*fs				Pointer to the filesystem this file is on     * FileCache		Cache			Pointer to the cache object of the file    * euint8			FileStatus		Contains bitfield regarding filestatus    * euint32			FilePtr			Offsetpointer for fread/fwrite functions * euint32 		FileSize		Working copy of the filesize, always use this, 									it is more up to date than DirEntry->FileSize,									which is only updated when flushing to disc.\*****************************************************************************/struct File{	FileRecord DirEntry;	FileLocation Location; /* Location in directory!! */	FileSystem *fs;	ClusterChain Cache;	euint8	FileStatus;	euint32 FilePtr;	euint32 FileSize;};typedef struct File File;esint8 file_fopen(File *file, FileSystem *fs,eint8 *filename, eint8 mode);esint8 file_fclose(File *file);esint16 file_setpos(File *file,euint32 pos);euint32 file_fread(File *file,euint32 offset, euint32 size,euint8 *buf);euint32 file_read (File *file,euint32 size,euint8 *buf);euint32 file_fwrite(File* file,euint32 offset,euint32 size,euint8* buf);euint32 file_write (File* file,euint32 size,euint8* buf); eint8* file_normalToFatName(eint8* filename,eint8* fatfilename);euint8 file_validateChar(euint8 c);void file_initFile(File *file, FileSystem *fs, FileLocation *loc);eint16 file_allocClusterChain(File *file,euint32 num_clusters);void file_setAttr(File* file,euint8 attribute,euint8 val);euint8 file_getAttr(File* file,euint8 attribute);euint32 file_requiredCluster(File *file,euint32 offset, euint32 size);#endif