BmLib.c File Reference

#include "BootMaintenanceManager.h"

Go to the source code of this file.

Functions
EFI_STATUS	EfiLibDeleteVariable (IN CHAR16 *VarName, IN EFI_GUID *VarGuid)
UINTN	EfiDevicePathInstanceCount (IN EFI_DEVICE_PATH_PROTOCOL *DevicePath)
UINT16 *	EfiLibStrFromDatahub (IN EFI_DEVICE_PATH_PROTOCOL *DevPath)

Detailed Description

Utility routines used by boot maintenance modules.

Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file BmLib.c.

Function Documentation

EfiDevicePathInstanceCount()

UINTN EfiDevicePathInstanceCount

(

IN EFI_DEVICE_PATH_PROTOCOL *

DevicePath

)

Function is used to determine the number of device path instances that exist in a device path.

Parameters

DevicePath

A pointer to a device path data structure.

Returns

This function counts and returns the number of device path instances in DevicePath.

Definition at line 51 of file BmLib.c.

EfiLibDeleteVariable()

EFI_STATUS EfiLibDeleteVariable	(	IN CHAR16 *	VarName,
		IN EFI_GUID *	VarGuid
	)

Function deletes the variable specified by VarName and VarGuid.

Parameters

VarName	A Null-terminated Unicode string that is the name of the vendor's variable.
VarGuid	A unique identifier for the vendor.

Return values

EFI_SUCCESS	The variable was found and removed
EFI_UNSUPPORTED	The variable store was inaccessible
EFI_NOT_FOUND	The variable was not found

Definition at line 25 of file BmLib.c.

EfiLibStrFromDatahub()

UINT16 * EfiLibStrFromDatahub

(

IN EFI_DEVICE_PATH_PROTOCOL *

DevPath

)

Get a string from the Data Hub record based on a device path.

Parameters

DevPath

The device Path.

Returns

A string located from the Data Hub records based on the device path.

Return values

NULL	If failed to get the String from Data Hub.

Definition at line 78 of file BmLib.c.