From b82a2f2829e3a891562f7e01c803eadca442c588 Mon Sep 17 00:00:00 2001
From: Ruediger Pluem <rpluem@apache.org>
Date: Wed, 14 Apr 2010 08:57:18 +0000
Subject: [PATCH] * According to RFC2616 13.2.3 1. negative results of age
 calculations should   be replaced by zero.

Reported by: Ryujiro Shibuya <rshibuya gmail.com>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@933886 13f79535-47bb-0310-9956-ffa450edef68
---
 modules/cache/cache_util.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/cache/cache_util.c b/modules/cache/cache_util.c
index 73506f6834..fb4f013828 100644
--- a/modules/cache/cache_util.c
+++ b/modules/cache/cache_util.c
@@ -198,6 +198,10 @@ CACHE_DECLARE(apr_int64_t) ap_cache_current_age(cache_info *info,
     resident_time = now - info->response_time;
     current_age = corrected_initial_age + resident_time;
 
+    if (current_age < 0) {
+        current_age = 0;
+    }
+
     return apr_time_sec(current_age);
 }
 
-- 
2.50.1