From 6b574175dd43735a26f171de6b34c3f15bb50f12 Mon Sep 17 00:00:00 2001
From: Joshua Haberman <joshua@reverberate.org>
Date: Tue, 22 Feb 2011 11:31:32 -0800
Subject: Prevent the default message from getting mutated.

If a Lua program references the default message, it will
be copied into a mutable object.
---
 lang_ext/lua/upb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lang_ext/lua/upb.c')

diff --git a/lang_ext/lua/upb.c b/lang_ext/lua/upb.c
index 460ac86..2e0102e 100644
--- a/lang_ext/lua/upb.c
+++ b/lang_ext/lua/upb.c
@@ -170,7 +170,7 @@ static void lupb_pushvalue(lua_State *L, upb_value val, upb_fielddef *f) {
 
 static upb_value lupb_getvalue(lua_State *L, int narg, upb_fielddef *f) {
   upb_value val;
-  lua_Number num;
+  lua_Number num = 0;
   if (!upb_issubmsg(f) && !upb_isstring(f) && f->type != UPB_TYPE(BOOL)) {
     num = luaL_checknumber(L, narg);
     if (f->type != UPB_TYPE(DOUBLE) && f->type != UPB_TYPE(FLOAT) &&
-- 
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