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+/**@file
+ Copyright (c) 2007, Intel Corporation
+
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+**/
+
+
+
+/**
+ Converts binary buffer to Unicode string.
+ At a minimum, any blob of data could be represented as a hex string.
+
+ @param Str Pointer to the string.
+ @param HexStringBufferLength Length in bytes of buffer to hold the hex string.
+ Includes tailing '\0' character. If routine return
+ with EFI_SUCCESS, containing length of hex string
+ buffer. If routine return with
+ EFI_BUFFER_TOO_SMALL, containg length of hex
+ string buffer desired.
+ @param Buf Buffer to be converted from.
+ @param Len Length in bytes of the buffer to be converted.
+
+ @retval EFI_SUCCESS Routine success.
+ @retval EFI_BUFFER_TOO_SMALL The hex string buffer is too small.
+
+**/
+EFI_STATUS
+R8_BufToHexString (
+ IN OUT CHAR16 *Str,
+ IN OUT UINTN *HexStringBufferLength,
+ IN UINT8 *Buf,
+ IN UINTN Len
+ )
+;
+
+
+
+
+/**
+ Converts Unicode string to binary buffer.
+ The conversion may be partial.
+ The first character in the string that is not hex digit stops the conversion.
+ At a minimum, any blob of data could be represented as a hex string.
+
+ @param Buf Pointer to buffer that receives the data.
+ @param Len Length in bytes of the buffer to hold converted
+ data. If routine return with EFI_SUCCESS,
+ containing length of converted data. If routine
+ return with EFI_BUFFER_TOO_SMALL, containg length
+ of buffer desired.
+ @param Str String to be converted from.
+ @param ConvertedStrLen Length of the Hex String consumed.
+
+ @retval EFI_SUCCESS Routine Success.
+ @retval EFI_BUFFER_TOO_SMALL The buffer is too small to hold converted data.
+
+**/
+EFI_STATUS
+R8_HexStringToBuf (
+ IN OUT UINT8 *Buf,
+ IN OUT UINTN *Len,
+ IN CHAR16 *Str,
+ OUT UINTN *ConvertedStrLen OPTIONAL
+ )
+;
+
+
+
+
+/**
+ Determines if a Unicode character is a hexadecimal digit.
+ The test is case insensitive.
+
+ @param Digit Pointer to byte that receives the value of the hex
+ character.
+ @param Char Unicode character to test.
+
+ @retval TRUE If the character is a hexadecimal digit.
+ @retval FALSE Otherwise.
+
+**/
+BOOLEAN
+R8_IsHexDigit (
+ OUT UINT8 *Digit,
+ IN CHAR16 Char
+ )
+;
+
+