| /* ----------------------------------------------------------------------- * |
| * |
| * 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 */ |