Import timelib 2021.07

Fixes:
- Bug #80998 (Missing second with inverted interval). (Derick)
- Bug #81106 (Regression in 8.1: add() now truncate ->f). (Derick)

NEWS

@@ -6,8 +6,10 @@ PHP                                                                        NEWS
   . Fixed bug #79580 (date_create_from_format misses leap year). (Derick)
   . Fixed bug #80974 (Wrong diff between 2 dates in different timezones).
     (Derick)
+  . Fixed bug #80998 (Missing second with inverted interval). (Derick)
   . Fixed bug #81097 (DateTimeZone silently falls back to UTC when providing an
     offset with seconds). (Derick)
+  . Fixed bug #81106 (Regression in 8.1: add() now truncate ->f). (Derick)
   . Fixed bug #81273 (Date interval calculation not correct). (Derick)
 
 

ext/date/lib/interval.c

@@ -207,6 +207,19 @@ timelib_time *timelib_sub(timelib_time *old_time, timelib_rel_time *interval)
 	return t;
 }
 
+static void do_range_limit(timelib_sll start, timelib_sll end, timelib_sll adj, timelib_sll *a, timelib_sll *b)
+{
+	if (*a < start) {
+		*b -= (start - *a - 1) / adj + 1;
+		*a += adj * ((start - *a - 1) / adj + 1);
+	}
+	if (*a >= end) {
+		*b += *a / adj;
+		*a -= adj * (*a / adj);
+	}
+}
+
+
 timelib_time *timelib_add_wall(timelib_time *old_time, timelib_rel_time *interval)
 {
 	int bias = 1;
@@ -232,6 +245,7 @@ timelib_time *timelib_add_wall(timelib_time *old_time, timelib_rel_time *interva
 			timelib_update_ts(t, NULL);
 		}
 
+		do_range_limit(0, 1000000, 1000000, &interval->us, &interval->s);
 		t->sse += bias * timelib_hms_to_seconds(interval->h, interval->i, interval->s);
 		t->us += interval->us * bias;
 		timelib_do_normalize(t);
@@ -271,6 +285,7 @@ timelib_time *timelib_sub_wall(timelib_time *old_time, timelib_rel_time *interva
 			timelib_update_ts(t, NULL);
 		}
 
+		do_range_limit(0, 1000000, 1000000, &interval->us, &interval->s);
 		t->sse -= bias * timelib_hms_to_seconds(interval->h, interval->i, interval->s);
 		t->us -= interval->us * bias;
 		timelib_do_normalize(t);

ext/date/lib/parse_posix.c

@@ -405,12 +405,6 @@ timelib_posix_str* timelib_parse_posix_str(const char *posix)
 	return tmp;
 }
 
-typedef struct _posix_transitions {
-	size_t      count;
-	timelib_sll times[6];
-	timelib_sll types[6];
-} posix_transitions;
-
 static const int month_lengths[2][MONTHS_PER_YEAR] = {
 	{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, // normal year
 	{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }  // leap year
@@ -503,7 +497,7 @@ timelib_sll timelib_ts_at_start_of_year(timelib_sll year)
 	);
 }
 
-static void calc_transitions_for_year(timelib_tzinfo *tz, timelib_sll year, posix_transitions *transitions)
+void timelib_get_transitions_for_year(timelib_tzinfo *tz, timelib_sll year, timelib_posix_transitions *transitions)
 {
 	timelib_sll trans_begin; /* Since start of the year */
 	timelib_sll trans_end;
@@ -536,9 +530,9 @@ static void calc_transitions_for_year(timelib_tzinfo *tz, timelib_sll year, posi
 
 ttinfo* timelib_fetch_posix_timezone_offset(timelib_tzinfo *tz, timelib_sll ts, timelib_sll *transition_time)
 {
-	timelib_sll       year;
-	timelib_time      dummy;
-	posix_transitions transitions = { 0 };
+	timelib_sll               year;
+	timelib_time              dummy;
+	timelib_posix_transitions transitions = { 0 };
 	size_t            i;
 
 	/* If there is no second (dst_end) information, the UTC offset is valid for the whole year, so no need to
@@ -555,9 +549,9 @@ ttinfo* timelib_fetch_posix_timezone_offset(timelib_tzinfo *tz, timelib_sll ts,
 	year = dummy.y;
 
 	/* Calculate transition times for 'year-1', 'year', and 'year+1' */
-	calc_transitions_for_year(tz, year - 1, &transitions);
-	calc_transitions_for_year(tz, year,     &transitions);
-	calc_transitions_for_year(tz, year + 1, &transitions);
+	timelib_get_transitions_for_year(tz, year - 1, &transitions);
+	timelib_get_transitions_for_year(tz, year,     &transitions);
+	timelib_get_transitions_for_year(tz, year + 1, &transitions);
 
 	/* Check where the 'ts' falls in the 4 transitions */
 	for (i = 1; i < transitions.count; i++) {

ext/date/lib/timelib.h

@@ -30,9 +30,9 @@
 # include "timelib_config.h"
 #endif
 
-#define TIMELIB_VERSION 202106
-#define TIMELIB_EXTENDED_VERSION 20210601
-#define TIMELIB_ASCII_VERSION "2021.06"
+#define TIMELIB_VERSION 202107
+#define TIMELIB_EXTENDED_VERSION 20210701
+#define TIMELIB_ASCII_VERSION "2021.07"
 
 #include <stdlib.h>
 #include <stdbool.h>
@@ -180,6 +180,12 @@ typedef struct _timelib_posix_str
 	int type_index_dst_type;  // index into tz->type
 } timelib_posix_str;
 
+typedef struct _timelib_posix_transitions {
+	size_t      count;
+	timelib_sll times[6];
+	timelib_sll types[6];
+} timelib_posix_transitions;
+
 typedef struct _timelib_tzinfo
 {
 	char    *name;
@@ -1046,6 +1052,12 @@ void timelib_posix_str_dtor(timelib_posix_str *ps);
 
 timelib_posix_str* timelib_parse_posix_str(const char *posix);
 
+/**
+ * Calculate the two yearly to/from DST
+ */
+void timelib_get_transitions_for_year(timelib_tzinfo *tz, timelib_sll year, timelib_posix_transitions *transitions);
+
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

ext/date/tests/bug80998.phpt

@@ -0,0 +1,12 @@
+--TEST--
+Bug #80998: Missing second with inverted interval
+--FILE--
+<?php
+$date = new DateTime('2021-04-05 14:00:00');
+$interval = new DateInterval('P0DT10799S');
+$interval->f = 0.999999;
+$interval->invert = 1;
+$date->add($interval);
+$string = $date->format('Y-m-d H:i:s.u');
+?>
+--EXPECT--

ext/date/tests/bug81106.phpt

@@ -0,0 +1,11 @@
+--TEST--
+Bug #81106: Regression in 8.1: add() now truncate ->f
+--FILE--
+<?php
+$dateInterval = new DateInterval('PT0S');
+$dateInterval->f = 1.234;
+
+echo (new DateTimeImmutable('2000-01-01 00:00:00'))->add($dateInterval)->format('Y-m-d H:i:s.u');
+?>
+--EXPECT--
+2000-01-01 00:00:01.234000