From 10a444965dd537f4fc0483e960941cfdac8b2e11 Mon Sep 17 00:00:00 2001
From: "Andrew M. Kuchling" <amk@amk.ca>
Date: Fri, 24 Oct 2003 17:38:34 +0000
Subject: [Bug #822668] tarfile raises an exception if the tarfile is gzipped
 and is too large; the gzip filesize should be written out mod 2**32. 
 (Reported by Johan Fredrik Ohman)

---
 Lib/tarfile.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 9dd8601..26f9c7f 100644
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -357,7 +357,7 @@ class _Stream:
             self.buf = ""
             if self.type == "gz":
                 self.fileobj.write(struct.pack("<l", self.crc))
-                self.fileobj.write(struct.pack("<L", self.pos))
+                self.fileobj.write(struct.pack("<L", self.pos & 0xffffFFFFL))
 
         if not self._extfileobj:
             self.fileobj.close()
-- 
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