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/* ----------------------------------------------------------------------- *
*
* Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
*
* 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, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
/*
* libfatint.h
*
* Internals for the libfat filesystem
*/
#ifndef LIBFATINT_H
#define LIBFATINT_H
#include "libfat.h"
#include "fat.h"
struct libfat_sector {
libfat_sector_t n; /* Sector number */
struct libfat_sector *next; /* Next in list */
char data[LIBFAT_SECTOR_SIZE];
};
enum fat_type {
FAT12,
FAT16,
FAT28
};
struct libfat_filesystem {
int (*read) (intptr_t, void *, size_t, libfat_sector_t);
intptr_t readptr;
enum fat_type fat_type;
unsigned int clustsize;
int clustshift;
int32_t endcluster; /* Highest legal cluster number + 1 */
int32_t rootcluster; /* Root directory cluster */
libfat_sector_t fat; /* Start of FAT */
libfat_sector_t rootdir; /* Start of root directory */
libfat_sector_t data; /* Start of data area */
libfat_sector_t end; /* End of filesystem */
struct libfat_sector *sectors;
};
#endif /* LIBFATINT_H */
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