[Patches] [ python-Patches-780595 ] Fix zip file header format in zipfile.py

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Patches item #780595, was opened at 2003-07-30 18:58
Message generated for change (Settings changed) made by rhettinger
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Category: Library (Lib)
Group: None
Status: Open
Resolution: Fixed
Priority: 5
Submitted By: John M. Baughman (scuzball1)
>Assigned to: Greg Ward (gward)
Summary: Fix zip file header format in zipfile.py

Initial Comment:
The zip file header unpack format uses signed longs for 
those values. For the readfile function to work with very 
large files (2GB+ in my case) it needs to use unsigned 
longs. In the case of these files, the readfile code would 
break with a memory error when trying to buffer 
backwards in memory since the value is converted to a 
signed long producing a negative value.

This patch converts the header unpack format to use 
unsigned longs.

-John M. Baughman


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Comment By: John M. Baughman (scuzball1)
Date: 2003-07-31 10:44

Message:
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My bad, this patch is for zipfile.py.

Got in a slight hurry last night and didn't complete the 
description well enough.

-John M. Baughman

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