From e6ca624ea2eb482a0b299523e5de66dfb60f918b Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveTH@foxmail.com>
Date: Thu, 25 May 2023 12:37:04 +0800
Subject: [PATCH] Update pocketpy_c.cpp

---
 c_bindings/pocketpy_c.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/c_bindings/pocketpy_c.cpp b/c_bindings/pocketpy_c.cpp
index 07d3ab93..5fbe2ac3 100644
--- a/c_bindings/pocketpy_c.cpp
+++ b/c_bindings/pocketpy_c.cpp
@@ -171,7 +171,12 @@ static void propagate_if_errored(CVM* vm, ValueStackImpl<PKPY_STACK_SIZE>* store
 }
 
 PyObject* c_function_wrapper(VM* vm, ArgsView args) {
-    LuaStyleFuncC f = py_cast<NativeFunc&>(vm, args[-2])._lua_f;
+    LuaStyleFuncC f;
+    if(args[-1] != PY_NULL){
+        f = _py_cast<NativeFunc&>(vm, args[-1])._lua_f;
+    } else {
+        f = _py_cast<NativeFunc&>(vm, args[-2])._lua_f;
+    }
     CVM* cvm = (CVM*) vm;
 
     //setup c stack