caltime_utc.c

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#include "tai.h"
#include "leapsecs.h"
#include "caldate.h"
#include "caltime.h"
 
/* XXX: breaks tai encapsulation */
 
void caltime_utc(struct caltime *ct,struct tai *t,int *pwday,int *pyday)
{
  struct tai t2 = *t;
  uint64 u;
  int leap;
  long s;
 
  /* XXX: check for overfow? */
 
  leap = leapsecs_sub(&t2);
  u = t2.x;
 
  u += 58486;
  s = u % 86400ULL;
 
  ct->second = (s % 60) + leap; s /= 60;
  ct->minute = s % 60; s /= 60;
  ct->hour = s;
 
  u /= 86400ULL;
  caldate_frommjd(&ct->date,/*XXX*/(long) (u - 53375995543064ULL),pwday,pyday);
 
  ct->offset = 0;
}