msdos.h File Reference

The MSDOS Filesystem Constants/Data Structures/Prototypes. More...

#include <rtems.h>
#include <rtems/libio_.h>
#include <rtems/dosfs.h>
#include <rtems/thread.h>
#include "fat.h"
#include "fat_file.h"

Go to the source code of this file.

Data Structures
struct	msdos_fs_info_s

Macros
#define	MSDOS_NAME_NOT_FOUND_ERR   0x7D01
#define	MSDOS_DIRECTORY_ENTRY_STRUCT_SIZE   32
#define	MSDOS_DIR_NAME(x)
#define	MSDOS_DIR_ENTRY_TYPE(x)
#define	MSDOS_DIR_ATTR(x)
#define	MSDOS_DIR_NT_RES(x)
#define	MSDOS_DIR_LFN_CHECKSUM(x)
#define	MSDOS_DIR_CRT_TIME_TENTH(x)
#define	MSDOS_DIR_CRT_TIME(x)
#define	MSDOS_DIR_CRT_DATE(x)
#define	MSDOS_DIR_LAST_ACCESS_DATE(x)
#define	MSDOS_DIR_FIRST_CLUSTER_HI(x)
#define	MSDOS_DIR_WRITE_TIME(x)
#define	MSDOS_DIR_WRITE_DATE(x)
#define	MSDOS_DIR_FIRST_CLUSTER_LOW(x)
#define	MSDOS_DIR_FILE_SIZE(x)
#define	MSDOS_EXTRACT_CLUSTER_NUM(p)
#define	MSDOS_FILE_SIZE_OFFSET   28
#define	MSDOS_FILE_NAME_OFFSET   0
#define	MSDOS_FIRST_CLUSTER_HI_OFFSET   20
#define	MSDOS_FIRST_CLUSTER_LOW_OFFSET   26
#define	MSDOS_FILE_WDATE_OFFSET   24
#define	MSDOS_FILE_WTIME_OFFSET   22
#define	MSDOS_FILE_ADATE_OFFSET   18
#define	MSDOS_FILE_CDATE_OFFSET   16
#define	MSDOS_FILE_CTIME_OFFSET   14
#define	MSDOS_ATTR_READ_ONLY   0x01
#define	MSDOS_ATTR_HIDDEN   0x02
#define	MSDOS_ATTR_SYSTEM   0x04
#define	MSDOS_ATTR_VOLUME_ID   0x08
#define	MSDOS_ATTR_DIRECTORY   0x10
#define	MSDOS_ATTR_ARCHIVE   0x20
#define	MSDOS_ATTR_LFN
#define	MSDOS_ATTR_LFN_MASK
#define	MSDOS_LAST_LONG_ENTRY   0x40
#define	MSDOS_LAST_LONG_ENTRY_MASK   0x3F
#define	MSDOS_DT_2SECONDS_MASK   0x1F
#define	MSDOS_DT_2SECONDS_SHIFT   0
#define	MSDOS_DT_MINUTES_MASK   0x7E0
#define	MSDOS_DT_MINUTES_SHIFT   5
#define	MSDOS_DT_HOURS_MASK   0xF800
#define	MSDOS_DT_HOURS_SHIFT   11
#define	MSDOS_DD_DAY_MASK   0x1F
#define	MSDOS_DD_DAY_SHIFT   0
#define	MSDOS_DD_MONTH_MASK   0x1E0
#define	MSDOS_DD_MONTH_SHIFT   5
#define	MSDOS_DD_YEAR_MASK   0xFE00
#define	MSDOS_DD_YEAR_SHIFT   9
#define	MSDOS_THIS_DIR_ENTRY_EMPTY   0xE5
#define	MSDOS_THIS_DIR_ENTRY_AND_REST_EMPTY   0x00
#define	MSDOS_LFN_LEN_PER_ENTRY   (13)
#define	MSDOS_NAME_MAX_UTF8_BYTES_PER_CHAR   4
#define	MSDOS_NAME_MIN_UTF8_BYTES_PER_CHAR   1
#define	MSDOS_SHORT_BASE_LEN   8
#define	MSDOS_SHORT_EXT_LEN   3
#define	MSDOS_SHORT_NAME_LEN
#define	MSDOS_NAME_MAX_LNF_LEN   (255)
#define	MSDOS_NAME_MAX   MSDOS_SHORT_NAME_LEN
#define	MSDOS_NAME_MAX_UTF8_SFN_BYTES
#define	MSDOS_NAME_MAX_WITH_DOT   (MSDOS_NAME_MAX + 1)
#define	MSDOS_SFN_MAX_WITH_DOT_UTF8_BYTES
#define	MSDOS_NAME_MAX_LFN_WITH_DOT   (260)
#define	MSDOS_NAME_LFN_BYTES_PER_CHAR   (2)
#define	MSDOS_NAME_MAX_LFN_BYTES
#define	MSDOS_NAME_MAX_UTF8_LFN_BYTES
#define	MSDOS_ENTRY_LFN_UTF8_BYTES
#define	MSDOS_RES_NT_VALUE   0x00
#define	MSDOS_INIT_DIR_SIZE   0x00
#define	MSDOS_DOT_DIR_ENTRY_OFFSET   0x00
#define	MSDOS_DOTDOT_DIR_ENTRY_OFFSET   0x20
#define	DOT_NODE_P(p)
#define	DOTDOT_NODE_P(p)
#define	MSDOS_MAX_DIR_LENGTH   0x200000
#define	MSDOS_MAX_FILE_SIZE   0xFFFFFFFF
#define	MSDOS_DPS512_NUM   16

Typedefs
typedef struct msdos_fs_info_s	msdos_fs_info_t
typedef enum msdos_name_types_e	msdos_name_type_t
typedef enum msdos_token_types_e	msdos_token_types_t

Enumerations
enum	msdos_name_types_e { MSDOS_NAME_INVALID = 0 , MSDOS_NAME_SHORT , MSDOS_NAME_LONG }
enum	msdos_token_types_e {   MSDOS_NO_MORE_PATH , MSDOS_CURRENT_DIR , MSDOS_UP_DIR , MSDOS_NAME ,   MSDOS_INVALID_TOKEN }

Functions
void	msdos_shut_down (rtems_filesystem_mount_table_entry_t *temp_mt_entry)
	Shut down the MSDOS filesystem.
void	msdos_eval_path (rtems_filesystem_eval_path_context_t *ctx)
void	msdos_free_node_info (const rtems_filesystem_location_info_t *pathloc)
	Call the Fat-File close routine.
int	msdos_mknod (const rtems_filesystem_location_info_t *loc, const char *name, size_t namelen, mode_t mode, dev_t dev)
	Routine for node creation in a MSDOS filesystem.
int	msdos_rmnod (const rtems_filesystem_location_info_t *parentloc, const rtems_filesystem_location_info_t *loc)
	Remove node from MSDOS directory.
int	msdos_rename (const rtems_filesystem_location_info_t *old_parent_loc, const rtems_filesystem_location_info_t *old_loc, const rtems_filesystem_location_info_t *new_parent_loc, const char *new_name, size_t new_namelen)
	Rename a MSDOS filesystem node.
int	msdos_statvfs (const rtems_filesystem_location_info_t *root_loc, struct statvfs *sb)
void	msdos_lock (const rtems_filesystem_mount_table_entry_t *mt_entry)
void	msdos_unlock (const rtems_filesystem_mount_table_entry_t *mt_entry)
int	msdos_initialize_support (rtems_filesystem_mount_table_entry_t *temp_mt_entry, const rtems_filesystem_operations_table *op_table, const rtems_filesystem_file_handlers_r *file_handlers, const rtems_filesystem_file_handlers_r *directory_handlers, rtems_dosfs_convert_control *converter)
	MSDOS filesystem initialization routine.
ssize_t	msdos_file_read (rtems_libio_t *iop, void *buffer, size_t count)
ssize_t	msdos_file_write (rtems_libio_t *iop, const void *buffer, size_t count)
int	msdos_file_stat (const rtems_filesystem_location_info_t *loc, struct stat *buf)
int	msdos_file_ftruncate (rtems_libio_t *iop, off_t length)
int	msdos_file_sync (rtems_libio_t *iop)
ssize_t	msdos_dir_read (rtems_libio_t *iop, void *buffer, size_t count)
int	msdos_dir_sync (rtems_libio_t *iop)
int	msdos_dir_stat (const rtems_filesystem_location_info_t *loc, struct stat *buf)
int	msdos_creat_node (const rtems_filesystem_location_info_t *parent_loc, fat_file_type_t type, const char *name, int name_len, mode_t mode, fat_file_fd_t *link_fd)
	Implements wake up version of the "signal" operation.
int	msdos_find_name (rtems_filesystem_location_info_t *parent_loc, const char *name, int name_len)
int	msdos_get_name_node (const rtems_filesystem_location_info_t *parent_loc, bool create_node, const char *name, int name_len, msdos_name_type_t name_type, fat_dir_pos_t *dir_pos, char *name_dir_entry)
int	msdos_dir_info_remove (rtems_filesystem_location_info_t *pathloc)
ssize_t	msdos_format_dirent_with_dot (char *dst, const char *src)
msdos_name_type_t	msdos_long_to_short (rtems_dosfs_convert_control *converter, const char *lfn, int lfn_len, char *sfn, int sfn_len)
ssize_t	msdos_filename_utf8_to_short_name_for_compare (rtems_dosfs_convert_control *converter, const uint8_t *utf8_name, const size_t utf8_name_size, void *short_name, const size_t short_name_size)
ssize_t	msdos_filename_utf8_to_short_name_for_save (rtems_dosfs_convert_control *converter, const uint8_t *utf8_name, const size_t utf8_name_size, void *short_name, const size_t short_name_size)
ssize_t	msdos_filename_utf8_to_long_name_for_compare (rtems_dosfs_convert_control *converter, const uint8_t *utf8_name, const size_t utf8_name_size, uint8_t *long_name, const size_t long_name_size)
ssize_t	msdos_filename_utf8_to_long_name_for_save (rtems_dosfs_convert_control *converter, const uint8_t *utf8_name, const size_t utf8_name_size, uint16_t *long_name, const size_t long_name_size)
ssize_t	msdos_get_utf16_string_from_long_entry (const char *entry, uint16_t *entry_string_buf, const size_t buf_size, bool is_first_entry)
void	msdos_date_unix2dos (unsigned int tsp, uint16_t *ddp, uint16_t *dtp)
unsigned int	msdos_date_dos2unix (unsigned int dd, unsigned int dt)
int	msdos_set_first_char4file_name (rtems_filesystem_mount_table_entry_t *mt_entry, fat_dir_pos_t *dir_pos, unsigned char first_char)
int	msdos_dir_is_empty (rtems_filesystem_mount_table_entry_t *mt_entry, fat_file_fd_t *fat_fd, bool *ret_val)
int	msdos_find_name_in_fat_file (rtems_filesystem_mount_table_entry_t *mt_entry, fat_file_fd_t *fat_fd, bool create_node, const uint8_t *name_utf8, int name_len, msdos_name_type_t name_type, fat_dir_pos_t *dir_pos, char *name_dir_entry)
int	msdos_find_node_by_cluster_num_in_fat_file (rtems_filesystem_mount_table_entry_t *mt_entry, fat_file_fd_t *fat_fd, uint32_t cl4find, fat_dir_pos_t *dir_pos, char *dir_entry)
int	msdos_get_dotdot_dir_info_cluster_num_and_offset (rtems_filesystem_mount_table_entry_t *mt_entry, uint32_t cln, fat_dir_pos_t *dir_pos, char *dir_entry)
int	msdos_sync (rtems_libio_t *iop)
uint8_t	msdos_lfn_checksum (const void *entry)

Variables
const rtems_filesystem_file_handlers_r	msdos_dir_handlers
const rtems_filesystem_file_handlers_r	msdos_file_handlers
const char *const	MSDOS_DOT_NAME
const char *const	MSDOS_DOTDOT_NAME

Detailed Description

The MSDOS Filesystem Constants/Data Structures/Prototypes.