/********************************************************************************/
/*										*/
/*			This file contains extra TPM2B structures		*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*            $Id: TPMB.h 1521 2019-11-15 21:00:47Z kgoldman $			*/
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/********************************************************************************/

#ifndef TPMB_H
#define TPMB_H

/* 5.17	TPMB.h */
/* This file contains extra TPM2B structures */

/* TPM2B Types */
typedef struct {
    UINT16          size;
    BYTE            buffer[1];
} TPM2B, *P2B;
typedef const TPM2B     *PC2B;

/* 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

/* This macro defines a TPM2B with a constant character value. This macro sets the size of the
   string to the size minus the terminating zero byte. This lets the user of the label add their
   terminating 0. This method is chosen so that existing code that provides a label will continue to
   work correctly. 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


