various updates

1 files changed, 5 insertions, 1 deletions

diff --git a/src/client/lua_api/gui/iguibutton.cpp b/src/client/lua_api/gui/iguibutton.cpp
index b8ff517..3d4580b 100644
--- a/src/client/lua_api/gui/iguibutton.cpp
+++ b/src/client/lua_api/gui/iguibutton.cpp
@@ -47,13 +47,17 @@ static int newiguibutton(lua_State* L){
 	//printf("Createing gui button!\n");
 
 	int nargs = lua_gettop(L);
+	if(nargs > 3 || nargs < 2){
+		lua_pop(L,nargs);
+		lua_pushstring(L,"Incorrect number of arguments for gui.newbutton(rect,\"text\"[,parent])");
+		lua_error(L);
+	}
 	IGUIElement* parent = NULL;
 	if(nargs == 3){
 		lua_getfield(L,-1,"guielement");
 		parent = (IGUIElement*)lua_touserdata(L,-1);
 		lua_pop(L,2);//{{sx,sy},{ex,ey}},"text"
 	}
-
   	const char* label_c = lua_tostring(L,-1);//{{sx,sy},{ex,ey}},"text"
 	size_t label_c_len = strlen(label_c);
 	wchar_t label_w[label_c_len + 1] = L"";