[U-Boot] [PATCH] Make TFTP Quiet

Robin Getz rgetz at blackfin.uclinux.org
Wed Aug 12 22:06:03 CEST 2009


On Wed 12 Aug 2009 15:48, Scott Wood pondered:
> On Wed, Aug 12, 2009 at 12:02:33PM +0200, Detlev Zundel wrote:
> > Hi Timur,
> > 
> > >> +#ifdef CONFIG_TFTP_QUIET
> > >> +#define puts_quiet(fmt)
> > >> +#else
> > >> +#define puts_quiet(fmt)                puts(fmt);
> > >> +#endif
> > >
> > > This looks backwards to me.  I would do this:
> > >
> > > #ifdef CONFIG_TFTP_QUIET
> > > #define puts(x) puts_quiet(x)
> > > #endif
> > >
> > > That way, you don't need to change all of the puts calls to
> > > puts_quiet.   Plus, having the normal calls be "puts_quiet" that
> > > changes to puts when QUIET is *not* enabled just feels wrong.
> > 
> > Just as a general remark - I consider it a bad idea to "overload" well
> > known functions with non-standard behaviour.  This breaks the "principle
> > of least surprise" which turns out to be very valuable.
> 
> Technically, U-Boot's puts() is already non-standard (no automatic
> newline)...
> 
> But there's no redefinition in the original patch.  It's just introducing
> a new puts_quiet().

Yeah, I think Detlev was just commenting on Timur's suggestion to the patch, 
not on the original patch...

I would be happy to change things to a debugX() - but this changes everyone's 
default behaviour (it becomes opt in, not opt-out), and most likely would 
cause some puzzlement when normally things don't print like they use to...



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