From 5cbece13867f455fa7c10ecf5f37ed7d6e3d3c55 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Thu, 26 Aug 2021 16:58:42 +0800
Subject: [PATCH] [TD-6356]<fix>: Fix the crash in TS-187

---
 src/util/src/tutil.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/util/src/tutil.c b/src/util/src/tutil.c
index 866057818e..f8a97ff7cd 100644
--- a/src/util/src/tutil.c
+++ b/src/util/src/tutil.c
@@ -224,8 +224,7 @@ char* strntolower_s(char *dst, const char *src, int32_t n) {
 
   assert(dst != NULL);
   if (n == 0) {
-    *p = 0;
-    return dst;
+    return NULL;
   }
 
   while (n-- > 0) {
-- 
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