Hash.c File Reference

#include "Fat.h"

Go to the source code of this file.

Functions
STATIC UINT32	FatHashLongName (IN CHAR16 *LongNameString)
STATIC UINT32	FatHashShortName (IN CHAR8 *ShortNameString)
FAT_DIRENT **	FatLongNameHashSearch (IN FAT_ODIR *ODir, IN CHAR16 *LongNameString)
FAT_DIRENT **	FatShortNameHashSearch (IN FAT_ODIR *ODir, IN CHAR8 *ShortNameString)
VOID	FatInsertToHashTable (IN FAT_ODIR *ODir, IN FAT_DIRENT *DirEnt)
VOID	FatDeleteFromHashTable (IN FAT_ODIR *ODir, IN FAT_DIRENT *DirEnt)

Detailed Description

Hash table operations.

Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Hash.c.

Function Documentation

FatDeleteFromHashTable()

VOID FatDeleteFromHashTable	(	IN FAT_ODIR *	ODir,
		IN FAT_DIRENT *	DirEnt
	)

Delete directory entry from hash table.

Parameters

ODir	- The parent directory.
DirEnt	- The directory entry node.

Definition at line 165 of file Hash.c.

FatHashLongName()

STATIC UINT32 FatHashLongName

(

IN CHAR16 *

LongNameString

)

Get hash value for long name.

Parameters

LongNameString

- The long name string to be hashed.

Returns

HashValue.

Definition at line 22 of file Hash.c.

FatHashShortName()

STATIC UINT32 FatHashShortName

(

IN CHAR8 *

ShortNameString

)

Get hash value for short name.

Parameters

ShortNameString

- The short name string to be hashed.

Returns

HashValue

Definition at line 51 of file Hash.c.

FatInsertToHashTable()

VOID FatInsertToHashTable	(	IN FAT_ODIR *	ODir,
		IN FAT_DIRENT *	DirEnt
	)

Insert directory entry to hash table.

Parameters

ODir	- The parent directory.
DirEnt	- The directory entry node.

Definition at line 132 of file Hash.c.

FatLongNameHashSearch()

FAT_DIRENT ** FatLongNameHashSearch	(	IN FAT_ODIR *	ODir,
		IN CHAR16 *	LongNameString
	)

Search the long name hash table for the directory entry.

Parameters

ODir	- The directory to be searched.
LongNameString	- The long name string to search.

Returns

The previous long name hash node of the directory entry.

Definition at line 72 of file Hash.c.

FatShortNameHashSearch()

FAT_DIRENT ** FatShortNameHashSearch	(	IN FAT_ODIR *	ODir,
		IN CHAR8 *	ShortNameString
	)

Search the short name hash table for the directory entry.

Parameters

ODir	- The directory to be searched.
ShortNameString	- The short name string to search.

Returns

The previous short name hash node of the directory entry.

Definition at line 103 of file Hash.c.