From 4b13e320bb2c59b2f1e912231a5b4575b59f83e8 Mon Sep 17 00:00:00 2001
From: "suresh%netscape.com" <suresh%netscape.com>
Date: Fri, 28 Feb 2003 21:54:57 +0000
Subject: [PATCH] bug 173867 - http expires header with date-in-past causes
 miscalculation. r-dougt, sr-darin.

---
 netwerk/protocol/http/src/nsHttpResponseHead.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/netwerk/protocol/http/src/nsHttpResponseHead.cpp b/netwerk/protocol/http/src/nsHttpResponseHead.cpp
index 0847c216a1a..4d084c793f7 100644
--- a/netwerk/protocol/http/src/nsHttpResponseHead.cpp
+++ b/netwerk/protocol/http/src/nsHttpResponseHead.cpp
@@ -517,7 +517,10 @@ nsHttpResponseHead::GetExpiresValue(PRUint32 *result)
         return NS_ERROR_NOT_AVAILABLE;
     }
 
-    *result = PRTimeToSeconds(time); 
+    if (LL_CMP(time, <, LL_Zero()))
+        *result = 0;
+    else
+        *result = PRTimeToSeconds(time); 
     return NS_OK;
 }