Subject: bug#28120: [PATCH] ptx: fix a possible crash caused by integer overflow

From: Paul Eggert <[email-masked]>
Date: Fri, 18 Aug 2017 08:44:11 -0700

Kamil Dudka wrote:

> Do you have an example of the larger case?  We could add a test-case for it.

I don't have an example. It would have to be pretty large, e.g., input 
containing more than 2**31 lines.

> Your patch introduces the following warnings:

These are Coverity warnings, right? They are false alarms, as usual for Coverity 
with this sort of thing.