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/** @file
Lib fucntions for SMBIOS. Used to get system serial number and GUID
Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include "../UefiShellDebug1CommandsLib.h"
#include <Guid/Smbios.h>
#include "LibSmbios.h"
/**
Return SMBIOS string given the string number.
@param[in] Smbios Pointer to SMBIOS structure.
@param[in] StringNumber String number to return. -1 is used to skip all strings and
point to the next SMBIOS structure.
@return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1
**/
CHAR8*
LibGetSmbiosString (
IN SMBIOS_STRUCTURE_POINTER *Smbios,
IN UINT16 StringNumber
)
{
UINT16 Index;
CHAR8 *String;
ASSERT (Smbios != NULL);
//
// Skip over formatted section
//
String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);
//
// Look through unformated section
//
for (Index = 1; Index <= StringNumber; Index++) {
if (StringNumber == Index) {
return String;
}
//
// Skip string
//
for (; *String != 0; String++);
String++;
if (*String == 0) {
//
// If double NULL then we are done.
// Retrun pointer to next structure in Smbios.
// if you pass in a -1 you will always get here
//
Smbios->Raw = (UINT8 *)++String;
return NULL;
}
}
return NULL;
}
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