Bugs item #1461783, was opened at 2006-03-31 00:50
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Category: Python Interpreter Core
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Submitted By: splitscreen (splitscreen)
Assigned to: Nobody/Anonymous (nobody)
Summary: Invalid modes crash open()
Initial Comment:
The 2.5a0 interpreter can be crashed by opening a file
with an invalid mode, i.e
open("bogus", "bogus")
results in the Microsoft Visual C++ Debug Library
spewing an "assertion failed" message with the expression
("Invalid file open mode", 0)
in the file _open.c, line 98.
Attached is a very rough patch that raises and IOError
if the open mode doesn't begin with an 'a', 'w' or 'r'
on the Windows platform.
If this is something wrong at my end (and I feel it may
be) please let me know. I'd be happy to offer any more
information.
BTW, I'm using Microsoft Visual Studio 2005.
Thanks,
Matt
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