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#pragma once
// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#if defined(__cplusplus)
extern "C" {
#endif
// constants
enum BURN_VARIANT_TYPE
{
BURN_VARIANT_TYPE_NONE,
BURN_VARIANT_TYPE_NUMERIC,
BURN_VARIANT_TYPE_STRING,
BURN_VARIANT_TYPE_VERSION,
};
// struct
typedef struct _BURN_VARIANT
{
union
{
LONGLONG llValue;
DWORD64 qwValue;
LPWSTR sczValue;
BYTE encryptionPadding[CRYP_ENCRYPT_MEMORY_SIZE];
};
BURN_VARIANT_TYPE Type;
BOOL fEncryptValue;
} BURN_VARIANT;
// function declarations
void BVariantUninitialize(
__in BURN_VARIANT* pVariant
);
HRESULT BVariantGetNumeric(
__in BURN_VARIANT* pVariant,
__out LONGLONG* pllValue
);
HRESULT BVariantGetString(
__in BURN_VARIANT* pVariant,
__out_z LPWSTR* psczValue
);
HRESULT BVariantGetVersion(
__in BURN_VARIANT* pVariant,
__out DWORD64* pqwValue
);
HRESULT BVariantSetNumeric(
__in BURN_VARIANT* pVariant,
__in LONGLONG llValue
);
HRESULT BVariantSetString(
__in BURN_VARIANT* pVariant,
__in_z_opt LPCWSTR wzValue,
__in DWORD_PTR cchValue
);
HRESULT BVariantSetVersion(
__in BURN_VARIANT* pVariant,
__in DWORD64 qwValue
);
/********************************************************************
BVariantSetValue - Convenience function that calls BVariantUninitialize,
BVariantSetNumeric, BVariantSetString, or
BVariantSetVersion based on the type of pValue.
The encryption state of pVariant is preserved.
********************************************************************/
HRESULT BVariantSetValue(
__in BURN_VARIANT* pVariant,
__in BURN_VARIANT* pValue
);
/********************************************************************
BVariantCopy - creates a copy of pSource.
The encryption state of pTarget is set to
the encryption state of pSource.
********************************************************************/
HRESULT BVariantCopy(
__in BURN_VARIANT* pSource,
__out BURN_VARIANT* pTarget
);
HRESULT BVariantChangeType(
__in BURN_VARIANT* pVariant,
__in BURN_VARIANT_TYPE type
);
/********************************************************************
BVariantSetEncryption - sets the encryption state of pVariant.
If the encryption state matches the requested
state, this function does nothing.
********************************************************************/
HRESULT BVariantSetEncryption(
__in BURN_VARIANT* pVariant,
__in BOOL fEncrypt
);
#if defined(__cplusplus)
}
#endif
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