Re: Bug#669084: grep does not match anything when reading from stdin

[Tino Keitel]

On Tue, Apr 17, 2012 at 13:45:43 +0200, Jim Meyering wrote:
> Aníbal Monsalve Salazar wrote:
> ...
> > Hello Jim,
> >
> > grep-2.11 introduced a regression related to the "-D skip" parameter
> > option.
> >
> > With grep-2.10 (or less than 2.10):
> >
> > $ echo foo | grep -D skip foo; echo $?
> > foo
> > 0
> >
> > With grep-2.11:
> >
> > $ echo foo | grep -D skip foo; echo $?
> > 1
> >
> > Timo suggests that the possible culprit is the code above.
> >
> > The Debian bug report is at http://bugs.debian.org/668585
> 
> Hi Aníbal
> 
> Thanks for passing that along.
> Here's a lightly-tested patch:

Hi,

I had problems extracting the patch from the mail, so I had to use
copy&paste.  Also, the patch portion in main.c looked totally different
than my main.c from 2.11.  I added the "desc != STDIN_FILENO" and the
brackets manually and it fixed the -D skip behaviour.

Regards,
Tino