Cd.c File Reference

#include "UefiShellLevel2CommandsLib.h"

Go to the source code of this file.

Functions
EFI_STATUS	ReplaceDriveWithCwd (IN OUT CHAR16 **FullPath, IN CONST CHAR16 *Cwd)
BOOLEAN	IsCurrentFileSystem (IN CONST CHAR16 *FullPath, IN CONST CHAR16 *Cwd)
EFI_STATUS	ExtractDriveAndPath (IN CONST CHAR16 *FullPath, OUT CHAR16 **Drive, OUT CHAR16 **Path)
SHELL_STATUS EFIAPI	ShellCommandRunCd (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Detailed Description

Main file for attrib shell level 2 function.

(C) Copyright 2016 Hewlett Packard Enterprise Development LP
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
Copyright (c) 2018, Dell Technologies. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Cd.c.

Function Documentation

ExtractDriveAndPath()

EFI_STATUS ExtractDriveAndPath	(	IN CONST CHAR16 *	FullPath,
		OUT CHAR16 **	Drive,
		OUT CHAR16 **	Path
	)

Extract drive string and path string from FullPath.

The caller must be free Drive and Path.

Parameters

[in]	FullPath	A path to be extracted.
[out]	Drive	Buffer to save drive identifier.
[out]	Path	Buffer to save path.

Return values

EFI_SUCCESS	Success.
EFI_OUT_OF_RESOUCES	A memory allocation failed.

Definition at line 121 of file Cd.c.

IsCurrentFileSystem()

BOOLEAN IsCurrentFileSystem	(	IN CONST CHAR16 *	FullPath,
		IN CONST CHAR16 *	Cwd
	)

function to determine if FullPath is under current filesystem.

Parameters

[in]	FullPath	The target location to determine.
[in]	Cwd	Current directory.

Return values

TRUE	The FullPath is in the current filesystem.
FALSE	The FullPaht isn't in the current filesystem.

Definition at line 77 of file Cd.c.

ReplaceDriveWithCwd()

EFI_STATUS ReplaceDriveWithCwd	(	IN OUT CHAR16 **	FullPath,
		IN CONST CHAR16 *	Cwd
	)

Function will replace drive identifier with CWD.

If FullPath beginning with ':' is invalid path, then ASSERT. If FullPath not include drive identifier , then do nothing. If FullPath likes "fs0:\xx" or "fs0:/xx" , then do nothing. If FullPath likes "fs0:xxx" or "fs0:", the drive replaced by CWD.

Parameters

[in,out]	FullPath	The pointer to the string containing the path.
[in]	Cwd	Current directory.

Return values

EFI_SUCCESS	Success.
EFI_OUT_OF_SOURCES	A memory allocation failed.

Definition at line 29 of file Cd.c.

ShellCommandRunCd()

SHELL_STATUS EFIAPI ShellCommandRunCd	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

Function for 'cd' command.

Parameters

[in]	ImageHandle	Handle to the Image (NULL if Internal).
[in]	SystemTable	Pointer to the System Table (NULL if Internal).

Definition at line 173 of file Cd.c.