sysapi/sysapi/GetCpBuffer.c

//**********************************************************************;
// Copyright (c) 2015, Intel Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
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#include "sapi/tpm20.h"
#include "sysapi_util.h"

TPM_RC Tss2_Sys_GetCpBuffer(
    TSS2_SYS_CONTEXT *sysContext,
    size_t *cpBufferUsedSize,
    const uint8_t **cpBuffer
    )
{
    TSS2_RC rval = TSS2_RC_SUCCESS;

    if( sysContext == NULL || cpBufferUsedSize == NULL ||
            cpBuffer == NULL )
    {
        rval = TSS2_SYS_RC_BAD_REFERENCE;
    }
    else if( SYS_CONTEXT->previousStage == CMD_STAGE_PREPARE )
    {
        *cpBuffer = SYS_CONTEXT->cpBuffer;
        *cpBufferUsedSize = SYS_CONTEXT->cpBufferUsedSize;
    }
    else
    {
        rval = TSS2_SYS_RC_BAD_SEQUENCE;
    }
    return( rval );
}