From b3ce4505296253e6da1fa780c23e7ed012efc88e Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 15 Jan 2004 10:40:26 -0200
Subject: [PATCH] avoid calling `memcmp' with a NULL argument

---
 lapi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lapi.c b/lapi.c
index b5bb81af..928a8afc 100644
--- a/lapi.c
+++ b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 1.251 2003/12/09 16:56:11 roberto Exp roberto $
+** $Id: lapi.c,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -886,7 +886,7 @@ LUA_API void lua_concat (lua_State *L, int n) {
     L->top -= (n-1);
   }
   else if (n == 0) {  /* push empty string */
-    setsvalue2s(L, L->top, luaS_newlstr(L, NULL, 0));
+    setsvalue2s(L, L->top, luaS_newlstr(L, "", 0));
     api_incr_top(L);
   }
   /* else n == 1; nothing to do */