1 files changed, 15 insertions, 0 deletions
diff --git a/ext/date/lib/timelib.h b/ext/date/lib/timelib.h
index 1960a63de9..75516dd3c7 100644
--- a/ext/date/lib/timelib.h
+++ b/ext/date/lib/timelib.h
@@ -62,8 +62,16 @@ void timelib_fill_holes(timelib_time *parsed, timelib_time *now, int options);
 char *timelib_timezone_id_from_abbr(const char *abbr, long gmtoffset, int isdst);
 const timelib_tz_lookup_table *timelib_timezone_abbreviations_list(void);
 
+/* From parse_iso_intervals.re */
+void timelib_strtointerval(char *s, int len, 
+                           timelib_time **begin, timelib_time **end, 
+						   timelib_rel_time **period, int *recurrences, 
+						   struct timelib_error_container **errors);
+
+
 /* From tm2unixtime.c */
 void timelib_update_ts(timelib_time* time, timelib_tzinfo* tzi);
+void timelib_do_rel_normalize(timelib_time *base, timelib_rel_time *rt);
 
 /* From unixtime2tm.c */
 int timelib_apply_localtime(timelib_time *t, unsigned int localtime);
@@ -89,6 +97,9 @@ void timelib_time_tz_name_update(timelib_time* tm, char* tz_name);
 void timelib_tzinfo_dtor(timelib_tzinfo *tz);
 timelib_tzinfo* timelib_tzinfo_clone(timelib_tzinfo *tz);
 
+timelib_rel_time* timelib_rel_time_ctor(void);
+void timelib_rel_time_dtor(timelib_rel_time* t);
+
 timelib_time* timelib_time_ctor(void);
 void timelib_time_set_option(timelib_time* tm, int option, void* option_value);
 void timelib_time_dtor(timelib_time* t);
@@ -100,6 +111,7 @@ void timelib_error_container_dtor(timelib_error_container *errors);
 
 signed long timelib_date_to_int(timelib_time *d, int *error);
 void timelib_dump_date(timelib_time *d, int options);
+void timelib_dump_rel_time(timelib_rel_time *d);
 
 void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec);
 
@@ -107,4 +119,7 @@ void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec);
 double timelib_ts_to_juliandate(timelib_sll ts);
 int timelib_astro_rise_set_altitude(timelib_time *time, double lon, double lat, double altit, int upper_limb, double *h_rise, double *h_set, timelib_sll *ts_rise, timelib_sll *ts_set, timelib_sll *ts_transit);
 
+/* from interval.c */
+timelib_rel_time *timelib_diff(timelib_time *one, timelib_time *two);
+
 #endif