From 2c8c98ad2424a3de7a61efe4e03964ef88a2a988 Mon Sep 17 00:00:00 2001
From: Francesco Chemolli <kinkie@squid-cache.org>
Date: Mon, 3 Oct 2011 17:44:56 +0200
Subject: [PATCH] Optimization in HttpHdrCc::packInto : if there is nothing to
 fill in don't even look

---
 src/HttpHdrCc.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/HttpHdrCc.cc b/src/HttpHdrCc.cc
index 74a86f1247..1df1278dae 100644
--- a/src/HttpHdrCc.cc
+++ b/src/HttpHdrCc.cc
@@ -216,6 +216,10 @@ HttpHdrCc::parse(const String & str)
 void
 HttpHdrCc::packInto(Packer * p) const
 {
+    // optimization: if the mask is empty do nothing
+    if (mask==0)
+        return;
+
     http_hdr_cc_type flag;
     int pcount = 0;
     assert(p);
-- 
2.47.3