From 41b447d41ae47e45d9610b53be68de67535aee36 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Wed, 1 Apr 2015 12:18:49 +0800
Subject: [PATCH] update sproto: check table

---
 lualib-src/sproto/lsproto.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lualib-src/sproto/lsproto.c b/lualib-src/sproto/lsproto.c
index 7ed70d18..cb655e3e 100644
--- a/lualib-src/sproto/lsproto.c
+++ b/lualib-src/sproto/lsproto.c
@@ -121,6 +121,9 @@ encode(const struct sproto_arg *args) {
 				self->array_index = 0;
 				return 0;
 			}
+			if (!lua_istable(L, -1)) {
+				return luaL_error(L, "%s is not a table", args->tagname);
+			}
 			if (self->array_index) {
 				lua_replace(L, self->array_index);
 			} else {