From 9105a1e8ea5a692bcbf823e473a214e94a43bc49 Mon Sep 17 00:00:00 2001
From: Rong Tao <rongtao@cestc.cn>
Date: Fri, 20 May 2022 08:56:15 +0800
Subject: [PATCH] Fix warning of strncpy() size field.
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bcc/tests/cc/test_c_api.cc:159:10: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 1024 equals destination size [-Wstringop-truncation]
  159 |   strncpy(libpath, lm->l_name, 1024);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
---
 tests/cc/test_c_api.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/cc/test_c_api.cc b/tests/cc/test_c_api.cc
index e456840d1b45..eb56dc08e7a9 100644
--- a/tests/cc/test_c_api.cc
+++ b/tests/cc/test_c_api.cc
@@ -156,7 +156,7 @@ static int mntns_func(void *arg) {
     return -1;
   }
 
-  strncpy(libpath, lm->l_name, 1024);
+  strncpy(libpath, lm->l_name, sizeof(libpath) - 1);
   dlclose(dlhdl);
   dlhdl = NULL;