From bfc1dfa660c24dc7a75108d934290e50d7db2719 Mon Sep 17 00:00:00 2001
From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Fri, 27 Nov 2015 17:41:04 +0000
Subject: [PATCH 2/5] Fix bug for isolated \E between an item and its qualifier
 when auto callout is set.
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git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1613 2f5784b3-3f2a-0410-8824-cb99058d5e15

Petr Písař: Ported to 8.38.

diff --git a/pcre_compile.c b/pcre_compile.c
index 3670f1e..5786cd3 100644
--- a/pcre_compile.c
+++ b/pcre_compile.c
@@ -4645,9 +4645,10 @@ for (;; ptr++)
     goto FAILED;
     }
 
-  /* If in \Q...\E, check for the end; if not, we have a literal */
+  /* If in \Q...\E, check for the end; if not, we have a literal. Otherwise an
+  isolated \E is ignored. */
 
-  if (inescq && c != CHAR_NULL)
+  if (c != CHAR_NULL)
     {
     if (c == CHAR_BACKSLASH && ptr[1] == CHAR_E)
       {
@@ -4655,7 +4656,7 @@ for (;; ptr++)
       ptr++;
       continue;
       }
-    else
+    else if (inescq)
       {
       if (previous_callout != NULL)
         {
@@ -4670,7 +4671,6 @@ for (;; ptr++)
         }
       goto NORMAL_CHAR;
       }
-    /* Control does not reach here. */
     }
 
   /* In extended mode, skip white space and comments. We need a loop in order
diff --git a/testdata/testinput2 b/testdata/testinput2
index 92e3359..e8ca4fe 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4225,4 +4225,6 @@ backtracking verbs. --/
 
 /L(?#(|++<!(2)?/BCOZ
 
+/(A*)\E+/CBZ
+
 /-- End of testinput2 --/
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index 2cf7a90..09756b8 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -14610,4 +14610,18 @@ No match
         End
 ------------------------------------------------------------------
 
+/(A*)\E+/CBZ
+------------------------------------------------------------------
+        Bra
+        Callout 255 0 7
+        SCBra 1
+        Callout 255 1 2
+        A*
+        Callout 255 3 0
+        KetRmax
+        Callout 255 7 0
+        Ket
+        End
+------------------------------------------------------------------
+
 /-- End of testinput2 --/
-- 
2.4.3