/*      $NetBSD: ymd2yd.c,v 1.5 2020/05/25 20:47:25 christos Exp $      */

/*
* ymd2yd - compute the date in the year from y/m/d
*
* A thin wrapper around a more general calendar function.
*/

#include <config.h>
#include "ntp_stdlib.h"
#include "ntp_calendar.h"

int
ymd2yd(
       int y,
       int m,
       int d)
{
       /*
        * convert y/m/d to elapsed calendar units, convert that to
        * elapsed days since the start of the given year and convert
        * back to unity-based day in year.
        *
        * This does no further error checking, since the underlying
        * function is assumed to work out how to handle the data.
        */
       return ntpcal_edate_to_yeardays(y-1, m-1, d-1) + 1;
}