Data.c File Reference

#include "NTFS.h"
#include "Helper.h"

Go to the source code of this file.

Functions
STATIC UINT64	GetLcn (IN OUT RUNLIST *Runlist, IN UINT64 Vcn)
STATIC EFI_STATUS	ReadClusters (IN RUNLIST *Runlist, IN UINT64 Offset, IN UINTN Length, OUT UINT8 *Dest)
EFI_STATUS EFIAPI	DiskRead (IN EFI_FS *FileSystem, IN UINT64 Offset, IN UINTN Size, IN OUT VOID *Buffer)
EFI_STATUS EFIAPI	ReadMftRecord (IN EFI_NTFS_FILE *File, OUT UINT8 *Buffer, IN UINT64 RecordNumber)
EFI_STATUS EFIAPI	ReadAttr (IN NTFS_ATTR *Attr, OUT UINT8 *Dest, IN UINT64 Offset, IN UINTN Length)
EFI_STATUS EFIAPI	ReadData (IN NTFS_ATTR *Attr, IN UINT8 *AttrStart, OUT UINT8 *Dest, IN UINT64 Offset, IN UINTN Length)
STATIC UINT64	ReadField (IN CONST UINT8 *Run, IN UINT8 FieldSize, IN BOOLEAN Signed)
EFI_STATUS EFIAPI	ReadRunListElement (IN OUT RUNLIST *Runlist)
CHAR16 *	ReadSymlink (IN NTFS_FILE *File)

Variables
UINT64	mUnitSize

Detailed Description

Copyright (c) 2022, Mikhail Krichanov. All rights reserved. SPDX-License-Identifier: BSD-3-Clause

Functional and structural descriptions follow NTFS Documentation by Richard Russon and Yuval Fledel

Definition in file Data.c.

Function Documentation

DiskRead()

EFI_STATUS EFIAPI DiskRead	(	IN EFI_FS *	FileSystem,
		IN UINT64	Offset,
		IN UINTN	Size,
		IN OUT VOID *	Buffer )

Definition at line 116 of file Data.c.

GetLcn()

STATIC UINT64 GetLcn	(	IN OUT RUNLIST *	Runlist,
		IN UINT64	Vcn )

Definition at line 16 of file Data.c.

ReadAttr()

EFI_STATUS EFIAPI ReadAttr	(	IN NTFS_ATTR *	Attr,
		OUT UINT8 *	Dest,
		IN UINT64	Offset,
		IN UINTN	Length )

Definition at line 184 of file Data.c.

ReadClusters()

STATIC EFI_STATUS ReadClusters	(	IN RUNLIST *	Runlist,
		IN UINT64	Offset,
		IN UINTN	Length,
		OUT UINT8 *	Dest )

Definition at line 42 of file Data.c.

ReadData()

EFI_STATUS EFIAPI ReadData	(	IN NTFS_ATTR *	Attr,
		IN UINT8 *	AttrStart,
		OUT UINT8 *	Dest,
		IN UINT64	Offset,
		IN UINTN	Length )

Definition at line 258 of file Data.c.

ReadField()

STATIC UINT64 ReadField	(	IN CONST UINT8 *	Run,
		IN UINT8	FieldSize,
		IN BOOLEAN	Signed )

Definition at line 431 of file Data.c.

ReadMftRecord()

EFI_STATUS EFIAPI ReadMftRecord	(	IN EFI_NTFS_FILE *	File,
		OUT UINT8 *	Buffer,
		IN UINT64	RecordNumber )

Definition at line 148 of file Data.c.

ReadRunListElement()

EFI_STATUS EFIAPI ReadRunListElement

(

IN OUT RUNLIST *

Runlist

)

Table 4.10. Layout of a Data Run

---

Offset | Size | Description

0 | 0.5 | F=Size of the Offset field 0.5 | 0.5 | L=Size of the Length field 1 | L | Length of the run

1+L | F | Offset to the starting LCN of the previous element (signed)

Definition at line 468 of file Data.c.

ReadSymlink()

CHAR16 * ReadSymlink

(

IN NTFS_FILE *

File

)

Definition at line 565 of file Data.c.

Variable Documentation

mUnitSize

UINT64 mUnitSize

Definition at line 12 of file Data.c.