From: Claudio Jeker <cjeker@diehard.n-r-g.com>
Subject: Re: netstat nits and options
To: Alexander Bluhm <bluhm@openbsd.org>
Cc: tech@openbsd.org
Date: Thu, 16 Jul 2026 13:04:09 +0200

On Thu, Jul 16, 2026 at 12:53:02PM +0200, Alexander Bluhm wrote:
> Hi,
> 
> Claudio tricked me to have a closer look at the netstat man page.
> Fix some nits and options.
> 
> - Use NULL for pointer.
> - The if_errs->count() has the additinal space indent in other places.
> - Add -v to usage where long IPv6 addresses are not truncated.
> - Only IPv6 multicast routes used -l for not truncating.  Use -v for
>   that features everywhere.  It is documented in general at -v,
>   remove the long explanation at -l.
> - I don't understand "(interfaces statically configured into a
>   system but not located at boot-time are not shown)".  Just delete
>   the sentence.
> - Option -w wait picks the first egress interface.  Document
>   it, otherwise the sentence and behavior is confusing.
> 
> ok?
> 
> Index: usr.bin/netstat/main.c
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/usr.bin/netstat/main.c,v
> diff -u -p -r1.125 main.c
> --- usr.bin/netstat/main.c	21 Jun 2025 22:08:44 -0000	1.125
> +++ usr.bin/netstat/main.c	16 Jul 2026 08:57:10 -0000
> @@ -476,15 +476,17 @@ static void
>  usage(void)
>  {
>  	(void)fprintf(stderr,
> -	    "usage: netstat [-AaBln] [-M core] [-N system] [-p protocol] [-T rtable]\n"
> +	    "usage: netstat [-AaBlnv] [-M core] [-N system] [-p protocol] "
> +	    "[-T rtable]\n"
>  	    "       netstat -W interface\n"
>  	    "       netstat -m\n"
> -	    "       netstat -I interface | -i [-bdehnq]\n"
> +	    "       netstat -I interface | -i [-bdehnqv]\n"

Isn't here g missing the the alphabet soup at the end?

>  	    "       netstat -w wait [-bdehnq] [-c count] [-I interface]\n"

And here as well?

>  	    "       netstat -s [-gru] [-f address_family] [-p protocol]\n"
> -	    "       netstat -g [-lnu] [-f address_family]\n"
> +	    "       netstat -g [-nuv] [-f address_family]\n"
>  	    "       netstat -R\n"
> -	    "       netstat -r [-AFu] [-f address_family] [-M core] [-N system] [-T rtable]\n"
> +	    "       netstat -r [-AFuv] [-f address_family] [-M core] "
> +	    "[-N system] [-T rtable]\n"
>  	    "       netstat -P pcbaddr [-v] [-M core] [-N system]\n");
>  	exit(1);
>  }


> Index: usr.bin/netstat/netstat.1
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/usr.bin/netstat/netstat.1,v
> diff -u -p -r1.99 netstat.1
> --- usr.bin/netstat/netstat.1	16 Jul 2026 08:16:36 -0000	1.99
> +++ usr.bin/netstat/netstat.1	16 Jul 2026 09:03:45 -0000
> @@ -38,7 +38,7 @@
>  .Nd show network status
>  .Sh SYNOPSIS
>  .Nm
> -.Op Fl AaBln
> +.Op Fl AaBlnv
>  .Op Fl M Ar core
>  .Op Fl N Ar system
>  .Op Fl p Ar protocol
> @@ -49,7 +49,7 @@
>  .Fl m
>  .Nm
>  .Fl I Ar interface | Fl i
> -.Op Fl bdehnq
> +.Op Fl bdehnqv
>  .Nm
>  .Fl w Ar wait
>  .Op Fl bdehnq

I think 'g' needs to be added here as well.

> @@ -62,13 +62,13 @@
>  .Op Fl p Ar protocol
>  .Nm
>  .Fl g
> -.Op Fl lnu
> +.Op Fl nuv
>  .Op Fl f Ar address_family
>  .Nm
>  .Fl R
>  .Nm
>  .Fl r
> -.Op Fl AFu
> +.Op Fl AFuv
>  .Op Fl f Ar address_family
>  .Op Fl M Ar core
>  .Op Fl N Ar system

Rest looks reasonable. OK claudio@

-- 
:wq Claudio