From: Andrew M. Kuchling <amk@amk.ca>
Date: Fri, 24 Oct 2003 17:38:34 +0000 (+0000)
Subject: [Bug #822668] tarfile raises an exception if the tarfile is gzipped and is too large... 
X-Git-Tag: v2.4a1~1379
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=10a444965dd537f4fc0483e960941cfdac8b2e11;p=python

[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)
---

diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 9dd8601cb6..26f9c7f6ac 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()