Re: [bug-gawk] gawk 3.1.8 bug: empty 'switch' statement causes segmentation fault

[Aharon Robbins]

Hi.  Re this:

> From: Gordon Grimes <address@hidden>
> To: "address@hidden" <address@hidden>
> Date: Wed, 21 Dec 2011 12:08:24 -0800
> Subject: [bug-gawk] gawk 3.1.8 bug: empty 'switch' statement causes
>       segmentation fault
>
> HI,
> I came across this and thought you'd be interested.
> Thanks,
> -ggrimes
>
>
> % echo hi | gawk '{switch($0){}}'
> gawk: (FILENAME=- FNR=1) fatal error: internal error: segfault
> bash: [744: 1] tcsetattr: Inappropriate ioctl for device
> Aborted (core dumped)
>
> % gawk --version
> GNU Awk 3.1.8
> Copyright (C) 1989, 1991-2010 Free Software Foundation.
> ...

Thanks for the repot. This is indeed a bug.

Fortunately, it does not occur in gawk 4.0.0, which is the current
released version.  I am not maintaining the 3.1.x version anymore.  If you
really need a fix for this in 3.1.8, then please let me know offline.

Thanks!

Arnold