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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gfile/gfile_fs.h
* @brief GFILE file system header.
*
*/
#ifndef _GFILE_FS_H
#define _GFILE_FS_H
struct GFILE {
const struct GFILEVMT * vmt;
uint16_t flags;
#define GFILEFLG_OPEN 0x0001 // File is open
#define GFILEFLG_READ 0x0002 // Read the file
#define GFILEFLG_WRITE 0x0004 // Write the file
#define GFILEFLG_APPEND 0x0008 // Append on each write
#define GFILEFLG_BINARY 0x0010 // Treat as a binary file
#define GFILEFLG_DELONCLOSE 0x0020 // Delete on close
#define GFILEFLG_CANSEEK 0x0040 // Seek operations are valid
#define GFILEFLG_FAILONBLOCK 0x0080 // Fail on a blocking call
#define GFILEFLG_MUSTEXIST 0x0100 // On open file must exist
#define GFILEFLG_MUSTNOTEXIST 0x0200 // On open file must not exist
#define GFILEFLG_TRUNC 0x0400 // On open truncate the file
void * obj;
long int pos;
};
struct gfileList {
const struct GFILEVMT * vmt;
bool_t dirs;
};
typedef struct GFILEVMT {
uint8_t flags;
#define GFSFLG_WRITEABLE 0x0001
#define GFSFLG_CASESENSITIVE 0x0002
#define GFSFLG_SEEKABLE 0x0004
#define GFSFLG_FAST 0x0010
#define GFSFLG_SMALL 0x0020
#define GFSFLG_TEXTMODES 0x0040
char prefix;
bool_t (*del) (const char *fname);
bool_t (*exists) (const char *fname);
long int (*filesize) (const char *fname);
bool_t (*ren) (const char *oldname, const char *newname);
bool_t (*open) (GFILE *f, const char *fname);
void (*close) (GFILE *f);
int (*read) (GFILE *f, void *buf, int size);
int (*write) (GFILE *f, const void *buf, int size);
bool_t (*setpos) (GFILE *f, long int pos);
long int (*getsize) (GFILE *f);
bool_t (*eof) (GFILE *f);
bool_t (*mount) (const char *drive);
bool_t (*unmount) (const char *drive);
bool_t (*sync) (GFILE *f);
#if GFILE_NEED_FILELISTS
gfileList * (*flopen) (const char *path, bool_t dirs);
const char *(*flread) (gfileList *pfl);
void (*flclose) (gfileList *pfl);
#endif
} GFILEVMT;
GFILE *_gfileFindSlot(const char *mode);
#endif //_GFILE_FS_H
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