From 9328fae9534746c08e635856b41984d55a14d7fe Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Wed, 28 Jul 2021 10:32:53 +1000
Subject: [PATCH] AP_Scripting: avoid a error in lua with gcc 10.2 on STM32
 with -Werror

---
 libraries/AP_Scripting/lua/src/lstring.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libraries/AP_Scripting/lua/src/lstring.c b/libraries/AP_Scripting/lua/src/lstring.c
index 6257f211d9..457a219b6f 100644
--- a/libraries/AP_Scripting/lua/src/lstring.c
+++ b/libraries/AP_Scripting/lua/src/lstring.c
@@ -139,7 +139,12 @@ static TString *createstrobj (lua_State *L, size_t l, int tag, unsigned int h) {
   ts = gco2ts(o);
   ts->hash = h;
   ts->extra = 0;
+#pragma GCC diagnostic push
+#if defined(__GNUC__) &&  __GNUC__ >= 10
+#pragma GCC diagnostic ignored "-Wstringop-overflow"
+#endif
   getstr(ts)[l] = '\0';  /* ending 0 */
+#pragma GCC diagnostic pop
   return ts;
 }