directory.c File Reference

#include <string.h>
#include <ctype.h>
#include <wchar.h>
#include <wctype.h>
#include <stdlib.h>
#include <stdio.h>
#include "directory.h"
#include "common.h"
#include "partition.h"
#include "file_allocation_table.h"
#include "bit_ops.h"
#include "filetime.h"

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Macros
#define	DIR_ENTRY_LAST   0x00
#define	DIR_ENTRY_FREE   0xE5
#define	LFN_END   0x40
#define	LFN_DEL   0x80
#define	ABOVE_UCS_RANGE   0xF0

Typedefs
typedef unsigned short	ucs2_t

Enumerations
enum	LFN_offset {   LFN_offset_ordinal = 0x00, LFN_offset_char0 = 0x01, LFN_offset_char1 = 0x03, LFN_offset_char2 = 0x05,   LFN_offset_char3 = 0x07, LFN_offset_char4 = 0x09, LFN_offset_flag = 0x0B, LFN_offset_reserved1 = 0x0C,   LFN_offset_checkSum = 0x0D, LFN_offset_char5 = 0x0E, LFN_offset_char6 = 0x10, LFN_offset_char7 = 0x12,   LFN_offset_char8 = 0x14, LFN_offset_char9 = 0x16, LFN_offset_char10 = 0x18, LFN_offset_reserved2 = 0x1A,   LFN_offset_char11 = 0x1C, LFN_offset_char12 = 0x1E, LFN_offset_ordinal = 0x00, LFN_offset_char0 = 0x01,   LFN_offset_char1 = 0x03, LFN_offset_char2 = 0x05, LFN_offset_char3 = 0x07, LFN_offset_char4 = 0x09,   LFN_offset_flag = 0x0B, LFN_offset_reserved1 = 0x0C, LFN_offset_checkSum = 0x0D, LFN_offset_char5 = 0x0E,   LFN_offset_char6 = 0x10, LFN_offset_char7 = 0x12, LFN_offset_char8 = 0x14, LFN_offset_char9 = 0x16,   LFN_offset_char10 = 0x18, LFN_offset_reserved2 = 0x1A, LFN_offset_char11 = 0x1C, LFN_offset_char12 = 0x1E }

Functions
static int	_FAT_directory_lfnLength (const char *name)
static size_t	_FAT_directory_mbstoucs2 (ucs2_t *dst, const char *src, size_t len)
static size_t	_FAT_directory_ucs2tombs (char *dst, const ucs2_t *src, size_t len)
static int	_FAT_directory_mbsncasecmp (const char *s1, const char *s2, size_t len1)
static bool	_FAT_directory_entryGetAlias (const u8 *entryData, char *destName)
uint32_t	_FAT_directory_entryGetCluster (PARTITION *partition, const uint8_t *entryData)
static bool	_FAT_directory_incrementDirEntryPosition (PARTITION *partition, DIR_ENTRY_POSITION *entryPosition, bool extendDirectory)
bool	_FAT_directory_getNextEntry (PARTITION *partition, DIR_ENTRY *entry)
bool	_FAT_directory_getFirstEntry (PARTITION *partition, DIR_ENTRY *entry, uint32_t dirCluster)
bool	_FAT_directory_getRootEntry (PARTITION *partition, DIR_ENTRY *entry)
bool	_FAT_directory_getVolumeLabel (PARTITION *partition, char *label)
bool	_FAT_directory_entryFromPosition (PARTITION *partition, DIR_ENTRY *entry)
bool	_FAT_directory_entryFromPath (PARTITION *partition, DIR_ENTRY *entry, const char *path, const char *pathEnd)
bool	_FAT_directory_removeEntry (PARTITION *partition, DIR_ENTRY *entry)
static bool	_FAT_directory_findEntryGap (PARTITION *partition, DIR_ENTRY *entry, uint32_t dirCluster, size_t size)
static bool	_FAT_directory_entryExists (PARTITION *partition, const char *name, uint32_t dirCluster)
static int	_FAT_directory_createAlias (char *alias, const char *lfn)
bool	_FAT_directory_addEntry (PARTITION *partition, DIR_ENTRY *entry, uint32_t dirCluster)
bool	_FAT_directory_chdir (PARTITION *partition, const char *path)
void	_FAT_directory_entryStat (PARTITION *partition, DIR_ENTRY *entry, struct stat *st)

Variables
static const int	LFN_offset_table [13] ={0x01,0x03,0x05,0x07,0x09,0x0E,0x10,0x12,0x14,0x16,0x18,0x1C,0x1E}
static const char	ILLEGAL_ALIAS_CHARACTERS [] = "\\/:;*?\"<>|&+,=[] "
static const char	ILLEGAL_LFN_CHARACTERS [] = "\\/:*?\"<>|"

Macro Definition Documentation

ABOVE_UCS_RANGE

#define ABOVE_UCS_RANGE   0xF0

DIR_ENTRY_FREE

#define DIR_ENTRY_FREE   0xE5

DIR_ENTRY_LAST

#define DIR_ENTRY_LAST   0x00

LFN_DEL

#define LFN_DEL   0x80

LFN_END

#define LFN_END   0x40

Typedef Documentation

ucs2_t

typedef unsigned short ucs2_t

Enumeration Type Documentation

LFN_offset

enum LFN_offset

Enumerator
LFN_offset_ordinal
LFN_offset_char0
LFN_offset_char1
LFN_offset_char2
LFN_offset_char3
LFN_offset_char4
LFN_offset_flag
LFN_offset_reserved1
LFN_offset_checkSum
LFN_offset_char5
LFN_offset_char6
LFN_offset_char7
LFN_offset_char8
LFN_offset_char9
LFN_offset_char10
LFN_offset_reserved2
LFN_offset_char11
LFN_offset_char12
LFN_offset_ordinal
LFN_offset_char0
LFN_offset_char1
LFN_offset_char2
LFN_offset_char3
LFN_offset_char4
LFN_offset_flag
LFN_offset_reserved1
LFN_offset_checkSum
LFN_offset_char5
LFN_offset_char6
LFN_offset_char7
LFN_offset_char8
LFN_offset_char9
LFN_offset_char10
LFN_offset_reserved2
LFN_offset_char11
LFN_offset_char12

Function Documentation

_FAT_directory_addEntry()

bool _FAT_directory_addEntry	(	PARTITION *	partition,
		DIR_ENTRY *	entry,
		uint32_t	dirCluster
	)

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_FAT_directory_chdir()

bool _FAT_directory_chdir	(	PARTITION *	partition,
		const char *	path
	)

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_FAT_directory_createAlias()

static int _FAT_directory_createAlias ( char *  alias, const char *  lfn  )

static

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_FAT_directory_entryExists()

static bool _FAT_directory_entryExists ( PARTITION *  partition, const char *  name, uint32_t  dirCluster  )

static

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_FAT_directory_entryFromPath()

bool _FAT_directory_entryFromPath	(	PARTITION *	partition,
		DIR_ENTRY *	entry,
		const char *	path,
		const char *	pathEnd
	)

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_FAT_directory_entryFromPosition()

bool _FAT_directory_entryFromPosition	(	PARTITION *	partition,
		DIR_ENTRY *	entry
	)

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_FAT_directory_entryGetAlias()

static bool _FAT_directory_entryGetAlias ( const u8 *  entryData, char *  destName  )

static

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_FAT_directory_entryGetCluster()

uint32_t _FAT_directory_entryGetCluster	(	PARTITION *	partition,
		const uint8_t *	entryData
	)

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_FAT_directory_entryStat()

void _FAT_directory_entryStat	(	PARTITION *	partition,
		DIR_ENTRY *	entry,
		struct stat *	st
	)

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_FAT_directory_findEntryGap()

static bool _FAT_directory_findEntryGap ( PARTITION *  partition, DIR_ENTRY *  entry, uint32_t  dirCluster, size_t  size  )

static

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_FAT_directory_getFirstEntry()

bool _FAT_directory_getFirstEntry	(	PARTITION *	partition,
		DIR_ENTRY *	entry,
		uint32_t	dirCluster
	)

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_FAT_directory_getNextEntry()

bool _FAT_directory_getNextEntry	(	PARTITION *	partition,
		DIR_ENTRY *	entry
	)

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_FAT_directory_getRootEntry()

bool _FAT_directory_getRootEntry	(	PARTITION *	partition,
		DIR_ENTRY *	entry
	)

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_FAT_directory_getVolumeLabel()

bool _FAT_directory_getVolumeLabel	(	PARTITION *	partition,
		char *	label
	)

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_FAT_directory_incrementDirEntryPosition()

static bool _FAT_directory_incrementDirEntryPosition ( PARTITION *  partition, DIR_ENTRY_POSITION *  entryPosition, bool  extendDirectory  )

static

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_FAT_directory_lfnLength()

static int _FAT_directory_lfnLength ( const char *  name )

static

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_FAT_directory_mbsncasecmp()

static int _FAT_directory_mbsncasecmp ( const char *  s1, const char *  s2, size_t  len1  )

static

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_FAT_directory_mbstoucs2()

static size_t _FAT_directory_mbstoucs2 ( ucs2_t *  dst, const char *  src, size_t  len  )

static

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_FAT_directory_removeEntry()

bool _FAT_directory_removeEntry	(	PARTITION *	partition,
		DIR_ENTRY *	entry
	)

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_FAT_directory_ucs2tombs()

static size_t _FAT_directory_ucs2tombs ( char *  dst, const ucs2_t *  src, size_t  len  )

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Variable Documentation

ILLEGAL_ALIAS_CHARACTERS

const char ILLEGAL_ALIAS_CHARACTERS[] = "\\/:;*?\"<>|&+,=[] "

static

ILLEGAL_LFN_CHARACTERS

const char ILLEGAL_LFN_CHARACTERS[] = "\\/:*?\"<>|"

static

LFN_offset_table

const int LFN_offset_table[13] ={0x01,0x03,0x05,0x07,0x09,0x0E,0x10,0x12,0x14,0x16,0x18,0x1C,0x1E}

static