# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1577040303 -3600
# Node ID c62d63d2b9f0a7d97836a3121a74c9c7b83f42dd
# Parent  e90fc3f5a0ae71c37caf577ea260ede62e19dc97
patch 8.2.0033: crash when make_extmatch() runs out of memory

Commit: https://github.com/vim/vim/commit/7c77b3496710f1be3232cfdc7f6812347fbd914a
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Dec 22 19:40:40 2019 +0100

    patch 8.2.0033: crash when make_extmatch() runs out of memory

    Problem:    Crash when make_extmatch() runs out of memory.
    Solution:   Check for NULL. (Dominique Pelle, closs https://github.com/vim/vim/issues/5392)

diff --git a/src/regexp_bt.c b/src/regexp_bt.c
--- a/src/regexp_bt.c
+++ b/src/regexp_bt.c
@@ -4568,6 +4568,8 @@ regtry(
 
 	cleanup_zsubexpr();
 	re_extmatch_out = make_extmatch();
+	if (re_extmatch_out == NULL)
+	    return 0;
 	for (i = 0; i < NSUBEXP; i++)
 	{
 	    if (REG_MULTI)
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -7070,6 +7070,8 @@ nfa_regtry(
     {
 	cleanup_zsubexpr();
 	re_extmatch_out = make_extmatch();
+	if (re_extmatch_out == NULL)
+	    return 0;
 	// Loop over \z1, \z2, etc.  There is no \z0.
 	for (i = 1; i < subs.synt.in_use; i++)
 	{
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    33,
+/**/
     32,
 /**/
     31,