From: Amos Jeffries <squid3@treenet.co.nz>
Date: Thu, 21 Jul 2011 12:02:28 +0000 (+1200)
Subject: Enable negative cacheing on unknown or -1 expiry timestamp
X-Git-Tag: take08~55^2~49
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=da03a7e01d9a222c8173893c7184aefd6d746aa0;p=thirdparty%2Fsquid.git

Enable negative cacheing on unknown or -1 expiry timestamp

This syncs the squid-3 code with what squid-2 does. THere seem to be no
problems in squid-2, but squid-3 does not cache at times when it should
according to negative_ttl
---

diff --git a/src/store.cc b/src/store.cc
index 94e382e663..039903cd30 100644
--- a/src/store.cc
+++ b/src/store.cc
@@ -1448,7 +1448,9 @@ StoreEntry::checkNegativeHit() const
 void
 StoreEntry::negativeCache()
 {
-    if (expires == 0)
+    // XXX: should make the default for expires 0 instead of -1
+    //      so we can distinguish "Expires: -1" from nothing.
+    if (expires <= 0)
 #if USE_HTTP_VIOLATIONS
         expires = squid_curtime + Config.negativeTtl;
 #else