From 8cc2313ea49e635452b545b3ca9c43e28d1e86cd Mon Sep 17 00:00:00 2001
From: chendotjs <chendotjs@qq.com>
Date: Thu, 16 Mar 2017 20:50:10 +0800
Subject: [PATCH] fix overflow check bug

---
 tinyexpr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tinyexpr.c b/tinyexpr.c
index f2a6175..064e482 100755
--- a/tinyexpr.c
+++ b/tinyexpr.c
@@ -127,7 +127,7 @@ static double fac(double a) {/* simplest version of fac */
     unsigned int ua = (unsigned int)(a);
     unsigned long int result = 1, i = 1;
     for (i = 1; i <= ua; i++) {
-        if (ua > ULONG_MAX / result)
+        if (i > ULONG_MAX / result)
             return INFINITY;
         result *= i;
     }