From: K.Kosako <kosako@sofnec.co.jp>
Date: Thu, 10 Oct 2019 07:50:05 +0000 (+0900)
Subject: fix using invalid node to concatinate string
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=07e211d7ff55916e33f1e05479a56f166c5032a6;p=onig

fix using invalid node to concatinate string
---

diff --git a/src/regparse.c b/src/regparse.c
index 9954bf9..7002854 100644
--- a/src/regparse.c
+++ b/src/regparse.c
@@ -7856,7 +7856,7 @@ i_apply_case_fold(OnigCodePoint from, OnigCodePoint to[], int to_len, void* arg)
             ns[n++] = csnode;
           }
           else {
-            r = onig_node_str_cat(csnode, buf, buf + len);
+            r = onig_node_str_cat(ns[n-1], buf, buf + len);
             if (r < 0) goto err_free_ns;
           }
         }