From 57e91b4159082b8cbda54e38c80117a954af154a Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 11 Dec 2014 12:03:07 -0200
Subject: [PATCH] correct computation for limit in 'getnum'

---
 lstrlib.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lstrlib.c b/lstrlib.c
index 786016b4..7eb62f37 100644
--- a/lstrlib.c
+++ b/lstrlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lstrlib.c,v 1.219 2014/12/10 11:36:03 roberto Exp roberto $
+** $Id: lstrlib.c,v 1.220 2014/12/11 13:40:40 roberto Exp roberto $
 ** Standard library for string operations and pattern-matching
 ** See Copyright Notice in lua.h
 */
@@ -1034,8 +1034,8 @@ static int getnum (const char **fmt, int df) {
   else {
     int a = 0;
     do {
-      a = a*10 + *((*fmt)++) - '0';
-    } while (digit(**fmt) && a < ((int)MAXSIZE/10 - 10));
+      a = a*10 + (*((*fmt)++) - '0');
+    } while (digit(**fmt) && a <= ((int)MAXSIZE - 9)/10);
     return a;
   }
 }