From c03e4c1adc54a9d0ce418f28ec505c1cb7215432 Mon Sep 17 00:00:00 2001
From: Jiale Zhi <vipcalio@gmail.com>
Date: Tue, 29 Oct 2013 12:56:26 -0700
Subject: Store string length for later use

---
 lib/resty/cookie.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/resty/cookie.lua')

diff --git a/lib/resty/cookie.lua b/lib/resty/cookie.lua
index c6dfa07..1efe6b7 100644
--- a/lib/resty/cookie.lua
+++ b/lib/resty/cookie.lua
@@ -41,8 +41,9 @@ local function get_cookie_table(text_cookie)
     local i = 1
     local j = 1
     local key, value
+    local len = #text_cookie
 
-    while j <= #text_cookie do
+    while j <= len do
         if state == EXPECT_KEY then
             if get_string_byte(text_cookie, j) == EQUAL then
                 key = get_string_sub(text_cookie, i, j - 1)
-- 
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