The code to write timestamps couldn't handle negative times (and time

jackjansen · jackjansen · commit 2d0589be6739 · 2001-02-21T10:39:35.000Z
on the Mac is negativevalues &gt; 0x80000000). Fixed.
diff --git 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):
