Re: [fetchmail-devel] Trouble parsing a particular fetchmailrc file: bison parser update?

[<JUA...@te...>]

Matthias Andree wrote:
> On Wed, 09 Jul 2008, JUA...@te... wrote:
> > Rob Funk wrote:
> > > Could you send us the fetchmailrc file and tell us specifically 
how 
> > it is
> > > being parsed incorrectly?
> > 
> > I am attaching a fetchmailrc file that is being parsed 
incorrectly.
> > 
> > Could someone run fetchmail on it to see that a username is being 
> > parsed incorrectly?
> > 
> > The username in question is being parsed as 'sername 
> > "aaaaaaaaaaaaa@aaaaaaaaaaaaa'
> 
> I can verify the problem, but I cannot currently narrow it down
> unfortunately - I can cut some lines from the file, but the 
remaining
> file is still way too large that I would want to observe the parser 
in
> debug mode.
> 
> Do you have a shorter file to exhibit the same problem?

It is quite difficult to trigger this bug.
If I change some lines the bug does not trigger.
I have got to the attached file that triggers the bug, but
if I remove the last line the same bug seems not to trigger.

> I can try to do some more experiments next week, but I'm not overly
> optimistic I'll be able to track and fix this.
> 
> It may be some arcane buffer boundary issue, and it may also be that
> we're inheriting a bison bug here.



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