netdev - RE: [PATCH] Ethtool: Beautify private flags print

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Date:	Fri, 24 May 2013 03:50:45 +0000
From:	"Yuval Mintz" <yuvalmin@...adcom.com>
To:	"Joe Perches" <joe@...ches.com>
cc:	"bhutchings@...arflare.com" <bhutchings@...arflare.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Eilon Greenstein" <eilong@...adcom.com>
Subject: RE: [PATCH] Ethtool: Beautify private flags print

> On Thu, 2013-05-23 at 20:55 +0300, Yuval Mintz wrote:
> > When printing the private flags of the device, align all strings
> > to have the same length.
> []
> > diff --git a/ethtool.c b/ethtool.c
> []
> > +	for (i = 0; i < strings->len; i++) {
> > +		int j;
> > +
> > +		printf("%s", (const char *)strings->data +
> > +					   i * ETH_GSTRING_LEN);
> > +
> > +		cur_len = strlen((const char*)strings->data +
> > +					      i * ETH_GSTRING_LEN);
> > +		for (j = 0; j < max_len - cur_len; j++)
> > +			printf(" ");
> 
> I think this isn't necessary, but this is simpler
> 
> "%-*s", max_len, strings->data + i * ETH_GSTRING_LEN

Nice - I was unfamiliar with this second-order format string modifier.
I'll modify the patch into using this format.


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