1 /* 2 * ymd2yd - compute the date in the year from y/m/d 3 * 4 * A thin wrapper around a more general calendar function. 5 */ 6 7 #include <config.h> 8 #include "ntp_stdlib.h" 9 #include "ntp_calendar.h" 10 11 int 12 ymd2yd( 13 int y, 14 int m, 15 int d) 16 { 17 /* 18 * convert y/m/d to elapsed calendar units, convert that to 19 * elapsed days since the start of the given year and convert 20 * back to unity-based day in year. 21 * 22 * This does no further error checking, since the underlying 23 * function is assumed to work out how to handle the data. 24 */ 25 return ntpcal_edate_to_yeardays(y-1, m-1, d-1) + 1; 26 } 27