117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Stäubli Faverges - <www.staubli.com>
|
|
* Pierre AUBERT p.aubert@staubli.com
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 _FDOS_H_
|
|
#define _FDOS_H_
|
|
|
|
|
|
#undef FDOS_DEBUG
|
|
|
|
#ifdef FDOS_DEBUG
|
|
#define PRINTF(fmt,args...) printf (fmt ,##args)
|
|
#else
|
|
#define PRINTF(fmt,args...)
|
|
#endif
|
|
|
|
/* Data structure describing media */
|
|
typedef struct fs
|
|
{
|
|
unsigned long tot_sectors;
|
|
|
|
int cluster_size;
|
|
int num_clus;
|
|
|
|
int fat_start;
|
|
int fat_len;
|
|
int nb_fat;
|
|
int num_fat;
|
|
|
|
int dir_start;
|
|
int dir_len;
|
|
|
|
unsigned char *fat_buf;
|
|
|
|
} Fs_t;
|
|
|
|
/* Data structure describing one file system slot */
|
|
typedef struct slot {
|
|
int (*map) (struct fs *fs,
|
|
struct slot *file,
|
|
int where,
|
|
int *len);
|
|
unsigned long FileSize;
|
|
|
|
unsigned short int FirstAbsCluNr;
|
|
unsigned short int PreviousAbsCluNr;
|
|
unsigned short int PreviousRelCluNr;
|
|
|
|
Directory_t dir;
|
|
} Slot_t;
|
|
|
|
typedef struct file {
|
|
char *name;
|
|
int Case;
|
|
Fs_t *fs;
|
|
Slot_t subdir;
|
|
Slot_t file;
|
|
} File_t;
|
|
|
|
|
|
/* dev.c */
|
|
int dev_read (void *buffer, int where, int len);
|
|
int dev_open (void);
|
|
int check_dev (BootSector_t *boot, Fs_t *fs);
|
|
|
|
/* fat.c */
|
|
unsigned int fat_decode (Fs_t *fs, unsigned int num);
|
|
int read_fat (BootSector_t *boot, Fs_t *fs);
|
|
|
|
/* vfat.c */
|
|
int vfat_lookup (Slot_t *dir,
|
|
Fs_t *fs,
|
|
Directory_t *dirent,
|
|
int *entry,
|
|
int *vfat_start,
|
|
char *filename,
|
|
int flags,
|
|
char *outname,
|
|
Slot_t *file);
|
|
|
|
/* subdir.c */
|
|
char *basename (char *name);
|
|
int open_subdir (File_t *desc);
|
|
int open_file (Slot_t *file, Directory_t *dir);
|
|
int read_file (Fs_t *fs,
|
|
Slot_t *file,
|
|
char *buf,
|
|
int where,
|
|
int len);
|
|
void init_subdir (void);
|
|
|
|
/* fs.c */
|
|
int fs_init (Fs_t *fs);
|
|
|
|
|
|
#endif
|