From d0f6848e6600f9c96ce16930835000b976b87f84 Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Tue, 15 Dec 2009 12:34:12 +0000
Subject: [PATCH] Fixed bu #50392	(date_create_from_format() enforces 6
 digits for 'u' format character)

---
 NEWS                         |  2 ++
 ext/date/lib/parse_date.c    |  8 ++---
 ext/date/lib/parse_date.re   |  6 ++--
 ext/date/tests/bug50392.phpt | 63 ++++++++++++++++++++++++++++++++++++
 4 files changed, 72 insertions(+), 7 deletions(-)
 create mode 100644 ext/date/tests/bug50392.phpt

diff --git a/NEWS b/NEWS
index cbfe15a9bf3..3554e964a35 100644
--- a/NEWS
+++ b/NEWS
@@ -40,6 +40,8 @@ PHP                                                                        NEWS
   seg fault). (davbrown4 at yahoo dot com, Felipe)
 - Fixed bug #50351 (performance regression handling objects, ten times slower
   in 5.3 than in 5.2). (Dmitry)
+- Fixed bug #50392 (date_create_from_format() enforces 6 digits for 'u'
+  format character). (Ilia)
 - Fixed bug #50345 (nanosleep not detected properly on some solaris versions).
   (Jani)
 - Fixed bug #50340 (php.ini parser does not allow spaces in ini keys). (Jani)
diff --git a/ext/date/lib/parse_date.c b/ext/date/lib/parse_date.c
index cfb24502f59..c02d9463110 100644
--- a/ext/date/lib/parse_date.c
+++ b/ext/date/lib/parse_date.c
@@ -1,4 +1,4 @@
-/* Generated by re2c 0.13.5 on Wed Jul 29 16:20:12 2009 */
+/* Generated by re2c 0.13.5 on Mon Dec 14 07:41:45 2009 */
 #line 1 "ext/date/lib/parse_date.re"
 /*
    +----------------------------------------------------------------------+
@@ -24086,15 +24086,15 @@ timelib_time *timelib_parse_from_format(char *format, char *string, int len, tim
 					add_pbf_error(s, "A two digit second could not be found", string, begin);
 				}
 				break;
-			case 'u': /* six digit millisecond */
+			case 'u': /* up to six digit millisecond */
 				{
 					double f;
 					char *tptr;
 
 					TIMELIB_CHECK_NUMBER;
 					tptr = ptr;
-					if ((f = timelib_get_nr((char **) &ptr, 6)) == TIMELIB_UNSET || ptr - tptr != 6) {
-						add_pbf_error(s, "A six digit millisecond could not be found", string, begin);
+					if ((f = timelib_get_nr((char **) &ptr, 6)) == TIMELIB_UNSET || (ptr - tptr) < 1) {
+						add_pbf_error(s, "At least a single digit millisecond could not be found", string, begin);
 					} else {
 						s->time->f = (f / 1000000);
 					}
diff --git a/ext/date/lib/parse_date.re b/ext/date/lib/parse_date.re
index 2fadb7b92e5..400de37927e 100644
--- a/ext/date/lib/parse_date.re
+++ b/ext/date/lib/parse_date.re
@@ -1943,15 +1943,15 @@ timelib_time *timelib_parse_from_format(char *format, char *string, int len, tim
 					add_pbf_error(s, "A two digit second could not be found", string, begin);
 				}
 				break;
-			case 'u': /* six digit millisecond */
+			case 'u': /* up to six digit millisecond */
 				{
 					double f;
 					char *tptr;
 
 					TIMELIB_CHECK_NUMBER;
 					tptr = ptr;
-					if ((f = timelib_get_nr((char **) &ptr, 6)) == TIMELIB_UNSET || ptr - tptr != 6) {
-						add_pbf_error(s, "A six digit millisecond could not be found", string, begin);
+					if ((f = timelib_get_nr((char **) &ptr, 6)) == TIMELIB_UNSET || (ptr - tptr) < 1) {
+						add_pbf_error(s, "At least a single digit millisecond could not be found", string, begin);
 					} else {
 						s->time->f = (f / 1000000);
 					}
diff --git a/ext/date/tests/bug50392.phpt b/ext/date/tests/bug50392.phpt
new file mode 100644
index 00000000000..8d10923e039
--- /dev/null
+++ b/ext/date/tests/bug50392.phpt
@@ -0,0 +1,63 @@
+--TEST--
+Bug #50392 date_create_from_format enforces 6 digits for 'u' format character
+--FILE--
+<?php
+date_default_timezone_set('Europe/Bratislava');
+
+$base = '2009-03-01 18:00:00';
+
+for ($i = 0; $i < 8; $i++) {
+	var_dump(date_create_from_format('Y-m-d H:i:s.u', $base . '.' . str_repeat('1', $i)));
+}
+?>
+--EXPECT--
+bool(false)
+object(DateTime)#2 (3) {
+  ["date"]=>
+  string(19) "2009-03-01 18:00:00"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(17) "Europe/Bratislava"
+}
+object(DateTime)#2 (3) {
+  ["date"]=>
+  string(19) "2009-03-01 18:00:00"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(17) "Europe/Bratislava"
+}
+object(DateTime)#2 (3) {
+  ["date"]=>
+  string(19) "2009-03-01 18:00:00"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(17) "Europe/Bratislava"
+}
+object(DateTime)#2 (3) {
+  ["date"]=>
+  string(19) "2009-03-01 18:00:00"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(17) "Europe/Bratislava"
+}
+object(DateTime)#2 (3) {
+  ["date"]=>
+  string(19) "2009-03-01 18:00:00"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(17) "Europe/Bratislava"
+}
+object(DateTime)#2 (3) {
+  ["date"]=>
+  string(19) "2009-03-01 18:00:00"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(17) "Europe/Bratislava"
+}
+bool(false)