netdev - Re: [PATCH v4 10/10] ss: extended json_writer for hex field and value output

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Date:	Mon, 31 Aug 2015 12:20:04 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Matthias Tafelmeier <matthias.tafelmeier@....net>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"hagen@...u.net" <hagen@...u.net>,
	"shemminger@...l.org" <shemminger@...l.org>,
	"fw@...len.de" <fw@...len.de>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	"daniel@...earbox.net" <daniel@...earbox.net>
Subject: Re: [PATCH v4 10/10] ss: extended json_writer for hex field and
 value output


> diff --git a/lib/json_writer.c b/lib/json_writer.c
> index 2af16e1..495ce57 100644
> --- a/lib/json_writer.c
> +++ b/lib/json_writer.c
> @@ -22,6 +22,8 @@
>  
>  #include "json_writer.h"
>  
> +#define notused
> +

Gack. Just take out the #ifdef

>  struct json_writer {
>  	FILE		*out;	/* output file */
>  	unsigned	depth;  /* nesting */
> @@ -223,6 +225,14 @@ void jsonw_int(json_writer_t *self, int64_t num)
>  	jsonw_printf(self, "%"PRId64, num);
>  }
>  
> +void jsonw_hex(json_writer_t *self, uint64_t num)
> +{
> +	char tmp[17];
> +
> +	sprintf(tmp, "%"PRIx64, num);
> +	jsonw_string(self, tmp);
> +}
> +

No. JSON is a standard. The output has to be one of the formats in the
standard. hex is a display issue not an encoding style.
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