[U-Boot] [PATCH] Make TFTP Quiet

Scott Wood scottwood at freescale.com
Wed Aug 12 21:48:36 CEST 2009


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().

-Scott


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