From 409741e900d4c13a432f5a768554add1ed2426fa Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 16 Jun 2010 10:44:36 -0300
Subject: 'what' may be NULL in 'kname'

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

(limited to 'ldebug.c')

diff --git a/ldebug.c b/ldebug.c
index 9b3e2d1c..304e5708 100644
--- a/ldebug.c
+++ b/ldebug.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ldebug.c,v 2.69 2010/04/08 17:06:33 roberto Exp roberto $
+** $Id: ldebug.c,v 2.70 2010/04/13 20:48:12 roberto Exp roberto $
 ** Debug Interface
 ** See Copyright Notice in lua.h
 */
@@ -264,7 +264,7 @@ LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar) {
 
 static void kname (Proto *p, int c, int reg, const char *what,
                    const char **name) {
-  if (c == reg && *what == 'c')
+  if (c == reg && what && *what == 'c')
     return;  /* index is a constant; name already correct */
   else if (ISK(c) && ttisstring(&p->k[INDEXK(c)]))
     *name = svalue(&p->k[INDEXK(c)]);
-- 
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