From 383a6e88f93c88973d14ac1c2dc85ff36bc2cbdc Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 29 Jan 2003 11:23:45 -0200
Subject: argv[0] may be NULL

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

diff --git a/lua.c b/lua.c
index dae52fc1..c9e903e0 100644
--- a/lua.c
+++ b/lua.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.c,v 1.114 2003/01/17 15:27:28 roberto Exp roberto $
+** $Id: lua.c,v 1.115 2003/01/29 10:27:07 roberto Exp roberto $
 ** Lua stand-alone interpreter
 ** See Copyright Notice in lua.h
 */
@@ -397,7 +397,7 @@ static int pmain (lua_State *l) {
   struct Smain *s = (struct Smain *)lua_touserdata(l, 1);
   int status;
   int interactive = 0;
-  if (s->argv[0][0] != '\0') progname = s->argv[0];
+  if (s->argv[0] && s->argv[0][0]) progname = s->argv[0];
   L = l;
   lua_userinit(l);  /* open libraries */
   status = handle_luainit();
-- 
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