+++ /dev/null
-/* fsck.fat.h - Common data structures and global variables
-
- Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
- Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
- Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
- Copyright (C) 2015 Andreas Bombe <aeb@debian.org>
-
- 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 3 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, see <http://www.gnu.org/licenses/>.
-
- The complete text of the GNU General Public License
- can be found in /usr/share/common-licenses/GPL-3 file.
-*/
-
-/* FAT32, VFAT, Atari format support, and various fixes additions May 1998
- * by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
-
-#ifndef _DOSFSCK_H
-#define _DOSFSCK_H
-
-//#include "types.h"
-
-#include <stdint.h>
-
-#ifdef _WIN32
-
-typedef unsigned int __u32;
-typedef unsigned __int64 __u64;
-
-#define le16toh(v) (v)
-#define le32toh(v) (v)
-#define htole16(v) (v)
-#define htole32(v) (v)
-
-#endif
-
-#ifdef _M_IX86
-#include "byteorder.h"
-#endif
-
-#if 0
-#undef le16toh
-#undef le32toh
-#undef htole16
-#undef htole32
-#endif
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#include "byteswap.h"
-
-#if 0
-#define le16toh(v) bswap_16(v)
-#define le32toh(v) bswap_32(v)
-#define htole16(v) le16toh(v)
-#define htole32(v) le32toh(v)
-#endif
-#if 0
-#define le16toh(v) le16_to_cpu(v)
-#define le32toh(v) le32_to_cpu(v)
-#define htole16(v) cpu_to_le16(v)
-#define htole32(v) cpu_to_le32(v)
-#endif
-
-#else
-#define le16toh(v) (v)
-#define le32toh(v) (v)
-#define htole16(v) (v)
-#define htole32(v) (v)
-#endif /* __BIG_ENDIAN */
-
-// #include "endian_compat.h"
-
-#ifndef offsetof
-#define offsetof(t,e) ((int)&(((t *)0)->e))
-#endif
-
-
-// extern int interactive, rw, list, verbose, test, write_immed;
-// extern int atari_format;
-// extern unsigned n_files;
-// extern void *mem_queue;
-
-#include "rosglue.h"
-
-#include "msdos_fs.h"
-
-#define VFAT_LN_ATTR (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME)
-
-#define FAT_STATE_DIRTY 0x01
-
-#include <pshpack1.h>
-
-/* ++roman: Use own definition of boot sector structure -- the kernel headers'
- * name for it is msdos_boot_sector in 2.0 and fat_boot_sector in 2.1 ... */
-struct boot_sector {
- uint8_t ignored[3]; /* Boot strap short or near jump */
- uint8_t system_id[8]; /* Name - can be used to special case
- partition manager volumes */
- uint8_t sector_size[2]; /* bytes per logical sector */
- uint8_t cluster_size; /* sectors/cluster */
- uint16_t reserved; /* reserved sectors */
- uint8_t fats; /* number of FATs */
- uint8_t dir_entries[2]; /* root directory entries */
- uint8_t sectors[2]; /* number of sectors */
- uint8_t media; /* media code (unused) */
- uint16_t fat_length; /* sectors/FAT */
- uint16_t secs_track; /* sectors per track */
- uint16_t heads; /* number of heads */
- uint32_t hidden; /* hidden sectors (unused) */
- uint32_t total_sect; /* number of sectors (if sectors == 0) */
-
- /* The following fields are only used by FAT32 */
- uint32_t fat32_length; /* sectors/FAT */
- uint16_t flags; /* bit 8: fat mirroring, low 4: active fat */
- uint8_t version[2]; /* major, minor filesystem version */
- uint32_t root_cluster; /* first cluster in root directory */
- uint16_t info_sector; /* filesystem info sector */
- uint16_t backup_boot; /* backup boot sector */
- uint8_t reserved2[12]; /* Unused */
-
- uint8_t drive_number; /* Logical Drive Number */
- uint8_t reserved3; /* Unused */
-
- uint8_t extended_sig; /* Extended Signature (0x29) */
- uint32_t serial; /* Serial number */
- uint8_t label[11]; /* FS label */
- uint8_t fs_type[8]; /* FS Type */
-
- /* fill up to 512 bytes */
- uint8_t junk[422];
-} __attribute__ ((packed));
-
-struct boot_sector_16 {
- uint8_t ignored[3]; /* Boot strap short or near jump */
- uint8_t system_id[8]; /* Name - can be used to special case
- partition manager volumes */
- uint8_t sector_size[2]; /* bytes per logical sector */
- uint8_t cluster_size; /* sectors/cluster */
- uint16_t reserved; /* reserved sectors */
- uint8_t fats; /* number of FATs */
- uint8_t dir_entries[2]; /* root directory entries */
- uint8_t sectors[2]; /* number of sectors */
- uint8_t media; /* media code (unused) */
- uint16_t fat_length; /* sectors/FAT */
- uint16_t secs_track; /* sectors per track */
- uint16_t heads; /* number of heads */
- uint32_t hidden; /* hidden sectors (unused) */
- uint32_t total_sect; /* number of sectors (if sectors == 0) */
-
- uint8_t drive_number; /* Logical Drive Number */
- uint8_t reserved2; /* Unused */
-
- uint8_t extended_sig; /* Extended Signature (0x29) */
- uint32_t serial; /* Serial number */
- uint8_t label[11]; /* FS label */
- uint8_t fs_type[8]; /* FS Type */
-
- /* fill up to 512 bytes */
- uint8_t junk[450];
-} __attribute__ ((packed));
-
-struct info_sector {
- uint32_t magic; /* Magic for info sector ('RRaA') */
- uint8_t junk[0x1dc];
- uint32_t reserved1; /* Nothing as far as I can tell */
- uint32_t signature; /* 0x61417272 ('rrAa') */
- uint32_t free_clusters; /* Free cluster count. -1 if unknown */
- uint32_t next_cluster; /* Most recently allocated cluster. */
- uint32_t reserved2[3];
- uint16_t reserved3;
- uint16_t boot_sign;
-};
-
-typedef struct {
- uint8_t name[MSDOS_NAME]; /* name including extension */
- uint8_t attr; /* attribute bits */
- uint8_t lcase; /* Case for base and extension */
- uint8_t ctime_ms; /* Creation time, milliseconds */
- uint16_t ctime; /* Creation time */
- uint16_t cdate; /* Creation date */
- uint16_t adate; /* Last access date */
- uint16_t starthi; /* High 16 bits of cluster in FAT32 */
- uint16_t time, date, start; /* time, date and first cluster */
- uint32_t size; /* file size (in bytes) */
-} __attribute__ ((packed)) DIR_ENT;
-
-#include <poppack.h>
-
-typedef struct _dos_file {
- DIR_ENT dir_ent;
- char *lfn;
- off_t offset;
- off_t lfn_offset;
- struct _dos_file *parent; /* parent directory */
- struct _dos_file *next; /* next entry */
- struct _dos_file *first; /* first entry (directory only) */
-} DOS_FILE;
-
-typedef struct {
- uint32_t value;
- uint32_t reserved;
-} FAT_ENTRY;
-
-typedef struct {
- int nfats;
- off_t fat_start;
- unsigned int fat_size; /* unit is bytes */
- unsigned int fat_bits; /* size of a FAT entry */
- unsigned int eff_fat_bits; /* # of used bits in a FAT entry */
- uint32_t root_cluster; /* 0 for old-style root dir */
- off_t root_start;
- unsigned int root_entries;
- off_t data_start;
- unsigned int cluster_size;
- uint32_t data_clusters; /* not including two reserved cluster numbers */
- off_t fsinfo_start; /* 0 if not present */
- long free_clusters;
- off_t backupboot_start; /* 0 if not present */
- unsigned char *fat;
- DOS_FILE **cluster_owner;
- char *label;
-} DOS_FS;
-
-
-/* value to use as end-of-file marker */
-#define FAT_EOF(fs) ((atari_format ? 0xfff : 0xff8) | FAT_EXTD(fs))
-#define FAT_IS_EOF(fs,v) ((uint32_t)(v) >= (0xff8|FAT_EXTD(fs)))
-/* value to mark bad clusters */
-#define FAT_BAD(fs) (0xff7 | FAT_EXTD(fs))
-/* range of values used for bad clusters */
-#define FAT_MIN_BAD(fs) ((atari_format ? 0xff0 : 0xff7) | FAT_EXTD(fs))
-#define FAT_MAX_BAD(fs) ((atari_format ? 0xff7 : 0xff7) | FAT_EXTD(fs))
-#define FAT_IS_BAD(fs,v) ((v) >= FAT_MIN_BAD(fs) && (v) <= FAT_MAX_BAD(fs))
-
-/* return -16 as a number with fs->fat_bits bits */
-#define FAT_EXTD(fs) (((1 << fs->eff_fat_bits)-1) & ~0xf)
-
-/* marker for files with no 8.3 name */
-#define FAT_NO_83NAME 32
-
-#endif
projects / reactos.git / blobdiff