IMPLEMENTATION MODULE wraptime;
(* Bound to m2wt* helpers (struct timeval / struct tm on the heap).
   Field accessors live in C to avoid struct-layout assumptions here. *)

FROM SYSTEM IMPORT ADDRESS;

PROCEDURE m2wttvnew () : ADDRESS;
  EXTERNAL;
PROCEDURE m2wttvkill (tv : ADDRESS) : ADDRESS;
  EXTERNAL;
PROCEDURE m2wttznew () : ADDRESS;
  EXTERNAL;
PROCEDURE m2wttzkill (tz : ADDRESS) : ADDRESS;
  EXTERNAL;
PROCEDURE m2wttmnew () : ADDRESS;
  EXTERNAL;
PROCEDURE m2wttmkill (t : ADDRESS) : ADDRESS;
  EXTERNAL;

PROCEDURE m2wtgettimeofday (tv, tz : ADDRESS) : INTEGER;
  EXTERNAL;
PROCEDURE m2wtsettimeofday (tv, tz : ADDRESS) : INTEGER;
  EXTERNAL;
PROCEDURE m2wtfractions (tv : ADDRESS) : CARDINAL;
  EXTERNAL;
PROCEDURE m2wtlocaltime (tv, t : ADDRESS) : ADDRESS;
  EXTERNAL;

PROCEDURE m2wtyear (t : ADDRESS) : CARDINAL;
  EXTERNAL;
PROCEDURE m2wtmonth (t : ADDRESS) : CARDINAL;
  EXTERNAL;
PROCEDURE m2wtday (t : ADDRESS) : CARDINAL;
  EXTERNAL;
PROCEDURE m2wthour (t : ADDRESS) : CARDINAL;
  EXTERNAL;
PROCEDURE m2wtminute (t : ADDRESS) : CARDINAL;
  EXTERNAL;
PROCEDURE m2wtsecond (t : ADDRESS) : CARDINAL;
  EXTERNAL;

PROCEDURE m2wttvset (tv : ADDRESS; sec, usec : LONGCARD);
  EXTERNAL;
PROCEDURE m2wttzset (tz : ADDRESS; minuteswest, dsttime : INTEGER);
  EXTERNAL;

PROCEDURE InitTimeval () : timeval;
BEGIN RETURN m2wttvnew() END InitTimeval;
PROCEDURE KillTimeval (tv : timeval) : timeval;
BEGIN RETURN m2wttvkill(tv) END KillTimeval;
PROCEDURE InitTimezone () : timezone;
BEGIN RETURN m2wttznew() END InitTimezone;
PROCEDURE KillTimezone (tz : timezone) : timezone;
BEGIN RETURN m2wttzkill(tz) END KillTimezone;
PROCEDURE InitTM () : tm;
BEGIN RETURN m2wttmnew() END InitTM;
PROCEDURE KillTM (t : tm) : tm;
BEGIN RETURN m2wttmkill(t) END KillTM;

PROCEDURE gettimeofday (tv : timeval; tz : timezone) : INTEGER;
BEGIN RETURN m2wtgettimeofday(tv, tz) END gettimeofday;
PROCEDURE settimeofday (tv : timeval; tz : timezone) : INTEGER;
BEGIN RETURN m2wtsettimeofday(tv, tz) END settimeofday;
PROCEDURE GetFractions (tv : timeval) : CARDINAL;
BEGIN RETURN m2wtfractions(tv) END GetFractions;
PROCEDURE LocalTime (tv : timeval; m : tm) : tm;
BEGIN RETURN m2wtlocaltime(tv, m) END LocalTime;

PROCEDURE GetYear (m : tm) : CARDINAL;
BEGIN RETURN m2wtyear(m) END GetYear;
PROCEDURE GetMonth (m : tm) : CARDINAL;
BEGIN RETURN m2wtmonth(m) END GetMonth;
PROCEDURE GetDay (m : tm) : CARDINAL;
BEGIN RETURN m2wtday(m) END GetDay;
PROCEDURE GetHour (m : tm) : CARDINAL;
BEGIN RETURN m2wthour(m) END GetHour;
PROCEDURE GetMinute (m : tm) : CARDINAL;
BEGIN RETURN m2wtminute(m) END GetMinute;
PROCEDURE GetSecond (m : tm) : CARDINAL;
BEGIN RETURN m2wtsecond(m) END GetSecond;

PROCEDURE SetTimeval (tv : timeval; sec, usec : LONGCARD);
BEGIN m2wttvset(tv, sec, usec) END SetTimeval;
PROCEDURE SetTimezone (tz : timezone; minuteswest, dsttime : INTEGER);
BEGIN m2wttzset(tz, minuteswest, dsttime) END SetTimezone;

END wraptime.