195 lines
6.4 KiB
C
195 lines
6.4 KiB
C
/*****************************************************************************/
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/* SISCO SOFTWARE MODULE HEADER **********************************************/
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/*****************************************************************************/
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/* (c) Copyright Systems Integration Specialists Company, Inc., */
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/* 2006 All Rights Reserved */
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/* */
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/* MODULE NAME : stdtime_mms_btime.c */
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/* PRODUCT(S) : Standard Time Management Library */
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/* */
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/* MODULE DESCRIPTION: */
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/* Support for MMS Btime4, BTime6 and BTOD conversions to/from STDTIME */
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/* */
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/* MODIFICATION LOG: */
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/* Date Who Rev Comments */
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/* -------- --- --- ----------------------------------------------------- */
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/* 02/20/08 JRB 02 Make STDTIME same as FILETIME (simplifies a lot). */
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/* Move T84_* defines to header file. */
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/* Del TimeOfDay4, Btod, and StdTimeFields functions. */
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/* 10/05/06 RLH 01 Created */
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/*****************************************************************************/
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#include "stdtime.h"
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#include "stdtime_mms_btime.h"
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/*** MmsTimeOfDay6 initialization functions ***************************/
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STDTIME_MMS_TIMEOFDAY6 StdTimeApiZeroMmsTimeOfDay6 ()
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{
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STDTIME_MMS_TIMEOFDAY6 zero = {0};
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return zero;
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} /* StdTimeApiZeroMmsTimeOfDay6 */
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/*** MmsTimeOfDay6Ex functions ***********************************************/
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/*-***************************************************************************/
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/* StdTimeToMmsTimeOfDay6Ex */
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/* convert: StdTime struct to MMS_TIMEOFDAY6 and extra fields */
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/* method: subtract 1984-01-01 from stdTime to form delta */
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/*****************************************************************************/
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STDTIME_RC StdTimeToMmsTimeOfDay6Ex (
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const STDTIME * /*I*/ pStdTime,
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STDTIME_MMS_TIMEOFDAY6 * /*O*/ pMmsTimeOfDay6,
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int32_t * /*O*/ pUsec,
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int32_t * /*O*/ pNsec)
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{
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/* pre-calculated STDTIME value of 1984-01-01 00:00:00.0000000 */
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STDTIME t84; /* initialized below */
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STDTIME_DELTA mms;
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STDTIME_ENUM_FUNC (StdTimeToMmsTimeOfDay6Ex)
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if (pStdTime->dwHighDateTime < T84_HIGHDATETIME ||
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(pStdTime->dwHighDateTime == T84_HIGHDATETIME &&
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pStdTime->dwLowDateTime < T84_LOWDATETIME))
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{
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STDTIME_RET_EC (MMS_year_LT_1984);
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}
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t84.dwHighDateTime = T84_HIGHDATETIME; /* initialize */
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t84.dwLowDateTime = T84_LOWDATETIME;
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if (pMmsTimeOfDay6 == NULL)
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{
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STDTIME_RET_EC (null_argument);
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}
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*pMmsTimeOfDay6 = StdTimeApiZeroMmsTimeOfDay6();
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/* form difference between supplied date and 1984 */
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if STDTIME_IFNOT (StdTime_GetDelta (pStdTime, &t84, &mms))
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{
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STDTIME_RET_RC;
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}
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pMmsTimeOfDay6->day = mms.day;
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pMmsTimeOfDay6->ms =
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(mms.hour * 60 * 60 * 1000) +
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(mms.min * 60 * 1000) +
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(mms.sec * 1000) + mms.msec;
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if (pUsec != NULL)
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{
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*pUsec = mms.usec;
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}
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if (pNsec != NULL)
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{
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*pNsec = mms.nsec;
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}
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STDTIME_RET_OK;
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} /* StdTimeToMmsTimeOfDay6Ex */
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/*-***************************************************************************/
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/* MmsTimeOfDay6ExToStdTime */
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/* convert: MMS_TIMEOFDAY6 and extra fields to StdTime struct */
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/* method: add MMS days and msec to base value of 1984-01-01 */
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/*****************************************************************************/
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STDTIME_RC MmsTimeOfDay6ExToStdTime (
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const STDTIME_MMS_TIMEOFDAY6 * /*I*/ pMmsTimeOfDay6,
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int32_t /*I*/ nUsec,
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int32_t /*I*/ nNsec,
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STDTIME * /*O*/ pStdTime)
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{
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/* pre-calculated STDTIME value of 1984-01-01 00:00:00.0000000 */
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STDTIME t84; /* initialized below */
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STDTIME_DELTA mms = {0};
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STDTIME_ENUM_FUNC (MmsTimeOfDay6ExToStdTime)
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t84.dwHighDateTime = T84_HIGHDATETIME; /* initialize */
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t84.dwLowDateTime = T84_LOWDATETIME;
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if (pStdTime == NULL)
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{
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STDTIME_RET_EC (null_argument);
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}
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*pStdTime = ZeroStdTime ();
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if (pMmsTimeOfDay6 == NULL)
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{
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STDTIME_RET_EC (null_argument);
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}
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*pStdTime = ZeroStdTime();
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/* create delta from 1984-01-01 */
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mms.day = pMmsTimeOfDay6->day;
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mms.msec = pMmsTimeOfDay6->ms;
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mms.usec = nUsec;
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mms.nsec = nNsec;
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/* add mms displacement to mms epoch date of Jan 1 1984 */
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if STDTIME_IFNOT (StdTime_AddDelta (&t84, &mms))
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{
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STDTIME_RET_RC;
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}
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*pStdTime = t84;
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STDTIME_RET_OK;
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} /* MmsTimeOfDay6ExToStdTime */
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/*** MmsTimeOfDay6 functions *************************************************/
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/*-***************************************************************************/
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/* StdTimeToMmsTimeOfDay6 */
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/* convert: StdTime struct to MMS_TIMEOFDAY6 (without extra fields) */
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/*****************************************************************************/
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STDTIME_RC StdTimeToMmsTimeOfDay6 (
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const STDTIME * /*I*/ pStdTime,
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STDTIME_MMS_TIMEOFDAY6 * /*O*/ pMmsTimeOfDay6)
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{
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STDTIME_ENUM_FUNC (StdTimeToMmsTimeOfDay6)
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STDTIME_RET (StdTimeToMmsTimeOfDay6Ex (pStdTime, pMmsTimeOfDay6, NULL, NULL));
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} /* StdTimeToMmsTimeOfDay6 */
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/*-***************************************************************************/
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/* MmsTimeOfDay6ToStdTime */
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/* convert: MMS_TIMEOFDAY6 (without extra fields) to StdTime struct */
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/*****************************************************************************/
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STDTIME_RC MmsTimeOfDay6ToStdTime (
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const STDTIME_MMS_TIMEOFDAY6 * /*I*/ pMmsTimeOfDay6,
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STDTIME * /*O*/ pStdTime)
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{
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STDTIME_ENUM_FUNC (MmsTimeOfDay6ToStdTime)
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STDTIME_RET (MmsTimeOfDay6ExToStdTime (pMmsTimeOfDay6, 0, 0, pStdTime));
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} /* MmsTimeOfDay6ToStdTime */
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