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Date: Wed, 1 Nov 2000 06:40:28 -0800 (PST)
From: Earnie Boyd <earnie_boyd AT yahoo DOT com>
Subject: Re: latest cygwin does not track pwd?
To: cygwin AT sources DOT redhat DOT com
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--- Christopher Faylor <cgf AT redhat DOT com> wrote:
> On Tue, Oct 31, 2000 at 11:31:08PM -0500, Charles Wilson wrote:
> >Christopher Faylor wrote:
> >cwd =
> >
> >just as Richard Kim says.  The code for Cwd::cwd on cygwin is
> >implemented by <perl-src>/cygwin.c -- but I don't know why it's
> >failing.  Patches gratefully accepted (and archived -- I'm not planning
> >to release a new perl build myself until 5.6.1 comes out; and probably
> >not even then if a third party takes the initiative...
> 
> The problem is that it looks like perl is calling getcwd like this:
> 
> getcwd (NULL, 0);
> 

The standards documentation explicitly states to not do this.

> and cygwin is returning a NULL, as is mandated by both the Single Unix
> Specification and the linux man page.  1.1.4 allowed zero length length
> arguments but that was a bug that I fixed in 1.1.5.
> 

Let the fix stand and allow the ports to adapt.

> I had no idea that people were relying on the bug.
> 
> I'm not sure what to do about this.  I am loathe to accomodate a bug
> like this but I don't want to force a new perl release or endure to the
> next two years of "I cygwined my perl 1.1.[5-9] and it am broke" messages
> either.
> 

I'd rather see this than live with a known bug.  We don't need to be "Bugward
Compatible" ((tm) Akim Demaille).

Cheers,

=====
Earnie Boyd
mailto:earnie_boyd AT yahoo DOT com

---         <http://earniesystems.safeshopper.com>         ---
--- Cygwin: POSIX on Windows <http://gw32.freeyellow.com/> ---
---   Minimalist GNU for Windows <http://www.mingw.org/>   ---

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