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Message-ID: <dd4cf36e-3eb8-154f-bf5c-bb59cd20690c@palves.net>
Date: Wed, 23 Aug 2023 13:14:19 +0100
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Subject: Re: set width: how to restore to auto
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To: Aleksey Midenkov <midenok@gmail.com>, gdb@sourceware.org
References: <CAF8BazDRc5qrjo34JZh6POW5B-4dMB2hO4bsnvaHkL87FRrVXQ@mail.gmail.com>
From: Pedro Alves <pedro@palves.net>
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On 23/08/23 10:53, Aleksey Midenkov via Gdb wrote:
> To avoid line wrapping in backtrace we use:
> 
>     set width 0
> 
> How to restore it to auto without resizing the terminal?

I guess having "set width/height auto" would make sense.

> Why after resizing the terminal defined width is lost?

Indeed, "auto" could fix this, by making anything non-auto stick.

I suggest filing a bug report about this.

> 
> Looks like there is not enough control over this parameter to implement two
> backtrace macros with and without line wrapping.
> 

If it's just the one command you want to wrap, you can do:

 (gdb) alias bt0 = with width 0 -- backtrace
 (gdb) bt0 [ARG...]
 ...