linux-kernel - Re: [PATCH] tools lib traceevent: Add support for IP address formats

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Message-ID: <17321.1418939104@turing-police.cc.vt.edu>
Date:	Thu, 18 Dec 2014 16:45:04 -0500
From:	Valdis.Kletnieks@...edu
To:	David Ahern <dsahern@...il.com>
Cc:	acme@...nel.org, linux-kernel@...r.kernel.org,
	Namhyung Kim <namhyung@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] tools lib traceevent: Add support for IP address formats

On Thu, 18 Dec 2014 08:10:43 -0700, David Ahern said:
> Adds helper for following kernel formats:
>   %pi4 print an IPv4 address with leading zeros
>   %pI4 print an IPv4 address without leading zeros
>   %pi6 print an IPv6 address without colons
>   %pI6 print an IPv6 address with colons
>   %pI6c print an IPv6 address with colons
>   %pISpc print an IP address from a sockaddr

The description for %pI6C in the changelog doesn't match the code:

> + * %pI6c  print an IPv6 address in compressed form with colons

Threw me for a loop for a while trying to figure out how pI6 and pI6c were
different, till I read the code...


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