Message 79772 - Python tracker

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Author	pitrou
Recipients	pitrou
Date	2009-01-13.19:59:21
SpamBayes Score	0.035624053
Marked as misclassified	No
Message-id	<1231876763.04.0.950867144377.issue4935@psf.upfronthosting.co.za>
In-reply-to

Content
Here is a patch. The idea is to use unsigned arithmetic instead of signed, and to check for overflows by comparing with PY_SSIZE_T_MAX. (the exact reason of the crash is unknown, it looks like either a compiler bug or a mis-optimization as (i < 0) returns 0 while i is -0x7FFFFFFF)

Here is a patch. The idea is to use unsigned arithmetic instead of
signed, and to check for overflows by comparing with PY_SSIZE_T_MAX.

(the exact reason of the crash is unknown, it looks like either a
compiler bug or a mis-optimization as (i < 0) returns 0 while i is
-0x7FFFFFFF)

History
Date	User	Action	Args
2009-01-13 19:59:23	pitrou	set	recipients: + pitrou
2009-01-13 19:59:23	pitrou	set	messageid: <1231876763.04.0.950867144377.issue4935@psf.upfronthosting.co.za>
2009-01-13 19:59:22	pitrou	link	issue4935 messages
2009-01-13 19:59:22	pitrou	create