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Date:   Tue, 18 Aug 2020 22:45:53 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Wei Wang <weiwan@...gle.com>
Cc:     netdev@...r.kernel.org, Mahesh Bandewar <maheshb@...gle.com>
Subject: Re: [PATCH iproute2-next] iproute2: ss: add support to expose
 various inet sockopts

On Tue, 18 Aug 2020 16:17:19 -0700
Wei Wang <weiwan@...gle.com> wrote:

> +			if (!oneline)
> +				out("\n\tinet-sockopt: (");
> +			else
> +				out(" inet-sockopt: (");
> +			out("recverr: %d, ", sockopt->recverr);
> +			out("is_icsk: %d, ", sockopt->is_icsk);
> +			out("freebind: %d, ", sockopt->freebind);
> +			out("hdrincl: %d, ", sockopt->hdrincl);
> +			out("mc_loop: %d, ", sockopt->mc_loop);
> +			out("transparent: %d, ", sockopt->transparent);
> +			out("mc_all: %d, ", sockopt->mc_all);
> +			out("nodefrag: %d, ", sockopt->nodefrag);
> +			out("bind_addr_no_port: %d, ", sockopt->bind_address_no_port);
> +			out("recverr_rfc4884: %d, ", sockopt->recverr_rfc4884);
> +			out("defer_connect: %d", sockopt->defer_connect);

Since these are all boolean options why not just print them only if on?
That saves space and makes more compact output.

			if (sockopt->recverr) out("recverr, ");

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