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      1 /*	$NetBSD: caljulian.c,v 1.6 2020/05/25 20:47:24 christos Exp $	*/
      2 
      3 /*
      4  * caljulian - determine the Julian date from an NTP time.
      5  *
      6  * (Note: since we use the GREGORIAN calendar, this should be renamed to
      7  * 'calgregorian' eventually...)
      8  */
      9 #include <config.h>
     10 #include <sys/types.h>
     11 
     12 #include "ntp_types.h"
     13 #include "ntp_calendar.h"
     14 
     15 #if !(defined(ISC_CHECK_ALL) || defined(ISC_CHECK_NONE) || \
     16       defined(ISC_CHECK_ENSURE) || defined(ISC_CHECK_INSIST) || \
     17       defined(ISC_CHECK_INVARIANT))
     18 # define ISC_CHECK_ALL
     19 #endif
     20 
     21 #include "ntp_assert.h"
     22 
     23 void
     24 caljulian(
     25 	uint32_t		ntp,
     26 	struct calendar *	jt
     27 	)
     28 {
     29 	vint64		vlong;
     30 	ntpcal_split	split;
     31 
     32 
     33 	INSIST(NULL != jt);
     34 
     35 	/*
     36 	 * Unfold ntp time around current time into NTP domain. Split
     37 	 * into days and seconds, shift days into CE domain and
     38 	 * process the parts.
     39 	 */
     40 	vlong = ntpcal_ntp_to_ntp(ntp, NULL);
     41 	split = ntpcal_daysplit(&vlong);
     42 	ntpcal_daysplit_to_date(jt, &split, DAY_NTP_STARTS);
     43 }
     44