githubmirror/libtpms

src/tpm2/ResponseCodeProcessing.c
81 строка4 KB
Stefan Berger
rev148: Files with header changes only
03 янв 2019, 21:15
03 янв 2019, 21:15db920d1
/********************************************************************************/
/*										*/
/*		Miscellaneous Functions For Processing Response Codes		*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*      $Id: ResponseCodeProcessing.c 1259 2018-07-10 19:11:09Z kgoldman $	*/
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/********************************************************************************/

/* 9.16 ResponseCodeProcessing.c */
/* 9.16.1 Description */
/* This file contains the miscellaneous functions for processing response codes. */
/* NOTE: Currently, there is only one. */
/* 9.16.2 Includes and Defines */
#include "Tpm.h"
/* 9.16.3 RcSafeAddToResult() */
/* Adds a modifier to a response code as long as the response code allows a modifier and no modifier
   has already been added. */
TPM_RC
RcSafeAddToResult(
		  TPM_RC          responseCode,
		  TPM_RC          modifier
		  )
{
    if((responseCode & RC_FMT1) && !(responseCode & 0xf40))
	return responseCode + modifier;
    else
	return responseCode;
}