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Respect OFFSET_CAPTURE when padding preg_match_all() results

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This issue was mentioned in bug #73948. The PREG_PATTERN_ORDER
padding was performed without respecting the PREF_OFFSET_CAPTURE
flag, which resulted in unmatched subpatterns being either null or
[null, -1] depending on where they occur. Now they will always be
[null, -1], consistent with other usages.
This commit is contained in:
Nikita Popov 2019-03-19 15:35:15 +01:00
parent 2783670daa
commit f53e7394eb
3 changed files with 80 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

6
ext/pcre/php_pcre.c
View file

@ -1290,7 +1290,11 @@ matched:
*/ */
if (count < num_subpats) { if (count < num_subpats) {
for (; i < num_subpats; i++) { for (; i < num_subpats; i++) {
if (unmatched_as_null) { if (offset_capture) {
add_offset_pair(
&match_sets[i], NULL, 0, PCRE2_UNSET,
NULL, unmatched_as_null);
} else if (unmatched_as_null) {
add_next_index_null(&match_sets[i]); add_next_index_null(&match_sets[i]);
} else { } else {
add_next_index_str(&match_sets[i], ZSTR_EMPTY_ALLOC()); add_next_index_str(&match_sets[i], ZSTR_EMPTY_ALLOC());

30
ext/pcre/tests/bug61780_1.phpt
View file

@ -95,7 +95,11 @@ array (
), ),
1 => 1 =>
array ( array (
0 => NULL, 0 =>
array (
0 => NULL,
1 => -1,
),
1 => 1 =>
array ( array (
0 => NULL, 0 => NULL,
@ -106,18 +110,34 @@ array (
0 => '4', 0 => '4',
1 => 3, 1 => 3,
), ),
3 => NULL, 3 =>
array (
0 => NULL,
1 => -1,
),
), ),
2 => 2 =>
array ( array (
0 => NULL, 0 =>
array (
0 => NULL,
1 => -1,
),
1 => 1 =>
array ( array (
0 => '2', 0 => '2',
1 => 1, 1 => 1,
), ),
2 => NULL, 2 =>
3 => NULL, array (
0 => NULL,
1 => -1,
),
3 =>
array (
0 => NULL,
1 => -1,
),
), ),
) )

60
ext/pcre/tests/bug61780_2.phpt
View file

@ -121,7 +121,11 @@ array (
), ),
'a' => 'a' =>
array ( array (
0 => NULL, 0 =>
array (
0 => NULL,
1 => -1,
),
1 => 1 =>
array ( array (
0 => NULL, 0 => NULL,
@ -132,11 +136,19 @@ array (
0 => '4', 0 => '4',
1 => 3, 1 => 3,
), ),
3 => NULL, 3 =>
array (
0 => NULL,
1 => -1,
),
), ),
1 => 1 =>
array ( array (
0 => NULL, 0 =>
array (
0 => NULL,
1 => -1,
),
1 => 1 =>
array ( array (
0 => NULL, 0 => NULL,
@ -147,29 +159,57 @@ array (
0 => '4', 0 => '4',
1 => 3, 1 => 3,
), ),
3 => NULL, 3 =>
array (
0 => NULL,
1 => -1,
),
), ),
'b' => 'b' =>
array ( array (
0 => NULL, 0 =>
array (
0 => NULL,
1 => -1,
),
1 => 1 =>
array ( array (
0 => '2', 0 => '2',
1 => 1, 1 => 1,
), ),
2 => NULL, 2 =>
3 => NULL, array (
0 => NULL,
1 => -1,
),
3 =>
array (
0 => NULL,
1 => -1,
),
), ),
2 => 2 =>
array ( array (
0 => NULL, 0 =>
array (
0 => NULL,
1 => -1,
),
1 => 1 =>
array ( array (
0 => '2', 0 => '2',
1 => 1, 1 => 1,
), ),
2 => NULL, 2 =>
3 => NULL, array (
0 => NULL,
1 => -1,
),
3 =>
array (
0 => NULL,
1 => -1,
),
), ),
) )