From 6122a2fb0c281a8b43dfc5e94831ec1de0aa600b Mon Sep 17 00:00:00 2001
From: xinsheng Ren <285808407@qq.com>
Date: Fri, 10 Feb 2023 18:31:09 +0800
Subject: [PATCH] fix stackflow on mac (#19592)

* fix stackflow on mac

* ALL UPPER CASE for macro definition

---------

Co-authored-by: facetosea <25808407@qq.com>
---
 source/os/src/osSysinfo.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index aeaa4fcafd..897e68a126 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -18,6 +18,7 @@
 #include "taoserror.h"
 
 #define PROCESS_ITEM 12
+#define UUIDLEN37 37
 
 typedef struct {
   uint64_t user;
@@ -830,7 +831,8 @@ int32_t taosGetSystemUUID(char *uid, int32_t uidlen) {
   return 0;
 #elif defined(_TD_DARWIN_64)
   uuid_t uuid = {0};
-  char   buf[37] = {0};
+  char   buf[UUIDLEN37];
+  memset(buf, 0, UUIDLEN37);
   uuid_generate(uuid);
   // it's caller's responsibility to make enough space for `uid`, that's 36-char + 1-null
   uuid_unparse_lower(uuid, buf);
-- 
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