netdev - Re: [patch iproute2-next v2] devlink: introduce -h[ex] cmdline option to allow dumping numbers in hex format

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Date:   Mon, 25 Apr 2022 09:09:41 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, sthemmin@...rosoft.com, dsahern@...il.com,
        snelson@...sando.io
Subject: Re: [patch iproute2-next v2] devlink: introduce -h[ex] cmdline
 option to allow dumping numbers in hex format

On Mon, 25 Apr 2022 11:30:36 +0200
Jiri Pirko <jiri@...nulli.us> wrote:

>  static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
>  {
> +	const char *num_fmt = dl->hex ? "%#x" : "%u";
> +	const char *num64_fmt = dl->hex ? "%#"PRIx64 : "%"PRIu64;

This is going to make it harder if/when format string properties are used.
Not sure what the better way is.