From 64205e91a36217ec73d77274ca44716091b25efd Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Sat, 28 Jan 2006 10:59:13 -0200
Subject: empty string may cause out-of-bound access
---
liolib.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/liolib.c b/liolib.c
index f55f7a63..594bbebf 100644
--- a/liolib.c
+++ b/liolib.c
@@ -1,5 +1,5 @@
/*
-** $Id: liolib.c,v 2.70 2005/12/29 15:32:11 roberto Exp roberto $
+** $Id: liolib.c,v 2.71 2006/01/17 13:54:02 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -283,7 +283,7 @@ static int read_line (lua_State *L, FILE *f) {
return (lua_strlen(L, -1) > 0); /* check whether read something */
}
l = strlen(p);
- if (p[l-1] != '\n')
+ if (l == 0 || p[l-1] != '\n')
luaL_addsize(&b, l);
else {
luaL_addsize(&b, l - 1); /* do not include `eol' */
--
cgit v1.2.3-55-g6feb