From 2d0589be6739e15bc27ab8996ee0727a5a3dda51 Mon Sep 17 00:00:00 2001
From: Jack Jansen <jack.jansen@cwi.nl>
Date: Wed, 21 Feb 2001 10:39:35 +0000
Subject: [PATCH] The code to write timestamps couldn't handle negative times
 (and time on the Mac is negativevalues > 0x80000000). Fixed.

---
 Lib/gzip.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/gzip.py b/Lib/gzip.py
index 8e34ed2b8d9..6cb90ac6f4e 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -19,6 +19,8 @@ def write32(output, value):
     output.write(struct.pack("<l", value))
 
 def write32u(output, value):
+    if value < 0:
+        value = value + 0x100000000L
     output.write(struct.pack("<L", value))
 
 def read32(input):