[PATCH 5/9] vsprintf: add %w and %w support to print unit

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Thu Sep 2 11:32:20 EDT 2010


Hello,

On Thu, Sep 02, 2010 at 05:29:33PM +0200, Uwe Kleine-König wrote:
> Hello Jean-Christophe,
> 
> On Thu, Sep 02, 2010 at 04:10:20PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Show a '%w' or %W thing.
> > This will show a frequency or byte at format xxx[.xxx] [ kMG]
> > the precision can not excess the base kMG of the current unit
> > otherwise it will be automatically reduce
> > if no precision is specified and there is rest we will use a default
> > precision of 3 as 66.667 M
> > base will be typically 1000 for Hz or B and 1024 for iB
> I see this used e.g. as:
> 
> 	printk("%WiB", somevalue)
> 
> right?  hmm, what if somevalue is say 5?  If I understand correctly the
> output then is: "5 iB".
[I forgot to complete this, sorry]

"5 iB" looks ugly, doesn't it?  Do you care enough to fix that?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |



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