include/tss2/tpmb.h.in

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// This file contains extra TPM2B structures
#ifndef _TPMB_H
#define _TPMB_H

#ifndef TPM20_H
#error Do not include this file, #include <tss2/tpm20.h> instead.
#endif

#if ! ( TPM20_MAJOR_VERSION == @TPM20_MAJOR_VERSION@ && \
        TPM20_MINOR_VERSION == @TPM20_MINOR_VERSION@ )
#error Version mismatch among TSS2 header files.
#endif

typedef struct {
    UINT16  size;
    BYTE    buffer[1];
} TPM2B;

// This macro helps avoid having to type in the structure in order to create a new TPM2B type that
// is used in a function.

#define TPM2B_TYPE(name, bytes)			    \
    typedef union {				    \
	struct  {					    \
	    UINT16  size;				    \
	    BYTE    buffer[(bytes)];			    \
	} t;						    \
	TPM2B   b;					    \
    } TPM2B_##name

#define TPM2B_TYPE1(name, bytes, bufferName)			    \
    typedef union {				    \
	struct  {					    \
	    UINT16  size;				    \
	    BYTE    bufferName[(bytes)];			    \
	} t;						    \
	TPM2B   b;					    \
    } TPM2B_##name

#define TPM2B_TYPE2(name, type, bufferName )			    \
    typedef union {				    \
	struct  {					    \
	    UINT16  size;				    \
	    type bufferName;			    \
	} t;						    \
	TPM2B   b;					    \
    } TPM2B_##name


// Macro to instance and initialize a TPM2B value

#define TPM2B_INIT(TYPE, name)					\
    TPM2B_##TYPE    name = {sizeof(name.t.buffer), {0}}

#define TPM2B_BYTE_VALUE(bytes) TPM2B_TYPE(bytes##_BYTE_VALUE, bytes)

#endif