From f625e3beb5753febee3b0852cdaeffc0d9e77326 Mon Sep 17 00:00:00 2001
From: congqixia <congqi.xia@zilliz.com>
Date: Wed, 23 Aug 2023 18:42:24 +0800
Subject: [PATCH] Fill trailing \0 for c metrics value (#26578)

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
---
 internal/core/src/segcore/metrics_c.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/core/src/segcore/metrics_c.cpp b/internal/core/src/segcore/metrics_c.cpp
index cffa09e1b7..2a754f75b6 100644
--- a/internal/core/src/segcore/metrics_c.cpp
+++ b/internal/core/src/segcore/metrics_c.cpp
@@ -20,5 +20,6 @@ GetKnowhereMetrics() {
     auto len = str.length();
     char* res = (char*)malloc(len + 1);
     memcpy(res, str.data(), len);
+    res[len] = '\0';
     return res;
 }