From d0f0744dcf99ef5b584736b7fcfed5880577798f Mon Sep 17 00:00:00 2001
From: Indev <bdmitry450@gmail.com>
Date: Thu, 6 Nov 2025 20:44:18 +0300
Subject: [PATCH] Push empty string instead of null if len == 0 in
 lua_pushlstring

---
 src/blua/lapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blua/lapi.c b/src/blua/lapi.c
index 73fbbf561..557896f43 100644
--- a/src/blua/lapi.c
+++ b/src/blua/lapi.c
@@ -434,7 +434,7 @@ LUA_API void lua_pushnumber (lua_State *L, lua_Number n) {
 LUA_API void lua_pushlstring (lua_State *L, const char *s, size_t len) {
   lua_lock(L);
   luaC_checkGC(L);
-  setsvalue2s(L, L->top, luaS_newlstr(L, s, len));
+  setsvalue2s(L, L->top, (len == 0) ? luaS_new(L, "") : luaS_newlstr(L, s, len));
   api_incr_top(L);
   lua_unlock(L);
 }