SecureBootConfigMisc.c File Reference

#include "SecureBootConfigImpl.h"

Go to the source code of this file.

Functions
EFI_STATUS	ReadFileContent (IN EFI_FILE_HANDLE FileHandle, IN OUT VOID **BufferPtr, OUT UINTN *FileSize, IN UINTN AdditionAllocateSize)
VOID	CloseFile (IN EFI_FILE_HANDLE FileHandle)
EFI_STATUS EFIAPI	Int2OctStr (IN CONST UINTN *Integer, IN UINTN IntSizeInWords, OUT UINT8 *OctetString, IN UINTN OSSizeInBytes)
UINTN	GuidToString (IN EFI_GUID *Guid, IN CHAR16 *Buffer, IN UINTN BufferSize)

Detailed Description

Helper functions for SecureBoot configuration module.

Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SecureBootConfigMisc.c.

Function Documentation

CloseFile()

VOID CloseFile

(

IN EFI_FILE_HANDLE

FileHandle

)

Close an open file handle.

Parameters

[in]

FileHandle

The file handle to close.

Definition at line 95 of file SecureBootConfigMisc.c.

GuidToString()

UINTN GuidToString	(	IN EFI_GUID *	Guid,
		IN CHAR16 *	Buffer,
		IN UINTN	BufferSize
	)

Worker function that prints an EFI_GUID into specified Buffer.

Parameters

[in]	Guid	Pointer to GUID to print.
[in]	Buffer	Buffer to print Guid into.
[in]	BufferSize	Size of Buffer.

Return values

Number

of characters printed.

Definition at line 162 of file SecureBootConfigMisc.c.

Int2OctStr()

EFI_STATUS EFIAPI Int2OctStr	(	IN CONST UINTN *	Integer,
		IN UINTN	IntSizeInWords,
		OUT UINT8 *	OctetString,
		IN UINTN	OSSizeInBytes
	)

Convert a nonnegative integer to an octet string of a specified length.

Parameters

[in]	Integer	Pointer to the nonnegative integer to be converted
[in]	IntSizeInWords	Length of integer buffer in words
[out]	OctetString	Converted octet string of the specified length
[in]	OSSizeInBytes	Intended length of resulting octet string in bytes

Returns:

Return values

EFI_SUCCESS	Data conversion successfully
EFI_BUFFER_TOOL_SMALL	Buffer is too small for output string

Definition at line 120 of file SecureBootConfigMisc.c.

ReadFileContent()

EFI_STATUS ReadFileContent	(	IN EFI_FILE_HANDLE	FileHandle,
		IN OUT VOID **	BufferPtr,
		OUT UINTN *	FileSize,
		IN UINTN	AdditionAllocateSize
	)

Read file content into BufferPtr, the size of the allocate buffer is *FileSize plus AdditionAllocateSize.

Parameters

[in]	FileHandle	The file to be read.
[in,out]	BufferPtr	Pointers to the pointer of allocated buffer.
[out]	FileSize	Size of input file
[in]	AdditionAllocateSize	Addition size the buffer need to be allocated. In case the buffer need to contain others besides the file content.

Return values

EFI_SUCCESS	The file was read into the buffer.
EFI_INVALID_PARAMETER	A parameter was invalid.
EFI_OUT_OF_RESOURCES	A memory allocation failed.
others	Unexpected error.

Definition at line 28 of file SecureBootConfigMisc.c.