From 152758b72d40dbeaabeb7b39f3e85137f0c89bdb Mon Sep 17 00:00:00 2001
From: xsren <285808407@qq.com>
Date: Tue, 6 Aug 2024 16:28:18 +0800
Subject: [PATCH] use taosStrdup

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

diff --git a/source/util/src/tcompare.c b/source/util/src/tcompare.c
index f6878ee7c2..f9bea3b947 100644
--- a/source/util/src/tcompare.c
+++ b/source/util/src/tcompare.c
@@ -1401,12 +1401,11 @@ int32_t threadGetRegComp(regex_t **regex, const char *pPattern) {
   if (ppRegex == NULL) {
     return 1;
   }
-  pOldPattern = (char *)taosMemoryMalloc(strlen(pPattern) + 1);
+  pOldPattern = taosStrdup(pPattern);
   if (NULL == pOldPattern) {
     uError("Failed to Malloc when compile regex pattern %s.", pPattern);
     return TSDB_CODE_OUT_OF_MEMORY;
   }
-  strcpy(pOldPattern, pPattern);
   ppUsingRegex = ppRegex;
   pRegex  = &((*ppUsingRegex)->pRegex);
   *regex = &(*ppRegex)->pRegex;