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From b7537308b7c758f33c347cb0bec62754c43c271f Mon Sep 17 00:00:00 2001
From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Sat, 27 Feb 2016 17:38:11 +0000
Subject: [PATCH] Yet another duplicate name bugfix by overestimating the
memory needed (i.e. another hack - PCRE2 has this "properly" fixed).
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1636 2f5784b3-3f2a-0410-8824-cb99058d5e15
Petr Písař: Ported to 8.38.
diff --git a/pcre_compile.c b/pcre_compile.c
index 5019854..4ffea0c 100644
--- a/pcre_compile.c
+++ b/pcre_compile.c
@@ -7311,7 +7311,12 @@ for (;; ptr++)
so far in order to get the number. If the name is not found, leave
the value of recno as 0 for a forward reference. */
- else
+ /* This patch (removing "else") fixes a problem when a reference is
+ to multiple identically named nested groups from within the nest.
+ Once again, it is not the "proper" fix, and it results in an
+ over-allocation of memory. */
+
+ /* else */
{
ng = cd->named_groups;
for (i = 0; i < cd->names_found; i++, ng++)
diff --git a/testdata/testinput2 b/testdata/testinput2
index 086e0f4..c805f5f 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4239,4 +4239,6 @@ backtracking verbs. --/
9010
abcd
+/((?J)(?'R'(?'R'(?'R'(?'R'(?'R'(?|(\k'R'))))))))/
+
/-- End of testinput2 --/
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index d414a72..800a72f 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -14665,4 +14665,6 @@ Start of matched string is beyond its end - displaying from end to start.
0 ^ 0
No match
+/((?J)(?'R'(?'R'(?'R'(?'R'(?'R'(?|(\k'R'))))))))/
+
/-- End of testinput2 --/
--
2.5.0
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