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https://github.com/acidanthera/OpenCorePkg.git
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57 lines
1.5 KiB
C
Executable File
57 lines
1.5 KiB
C
Executable File
/** @file
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Copyright (C) 2016, The HermitCrabs Lab. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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// CheckVariableBoolean
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/** Check the boolean-value of an EFI Variable.
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@param[in] Name The firmware allocated handle for the EFI image.
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@param[in] VendorGuid A unique identifier for the vendor.
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@retval Boolean value indicating TRUE, if variable exists.
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**/
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BOOLEAN
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CheckVariableBoolean (
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IN CHAR16 *Name,
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IN EFI_GUID *VendorGuid
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)
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{
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BOOLEAN Value;
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EFI_STATUS Status;
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UINTN VariableSize;
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VariableSize = sizeof (Value);
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Status = gRT->GetVariable (
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Name,
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VendorGuid,
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NULL,
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&VariableSize,
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&Value
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);
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if (EFI_ERROR (Status)) {
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Value = FALSE;
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}
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return Value;
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}
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