/* * (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