Re: [PATCH] ALSA: Warn when control names are truncated

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At Wed, 29 Oct 2008 15:51:40 +0100 (CET),
Jaroslav Kysela wrote:
> 
> On Wed, 29 Oct 2008, Takashi Iwai wrote:
> 
> > At Wed, 29 Oct 2008 14:40:30 +0000,
> > Mark Brown wrote:
> > > 
> > > This is likely to confuse user interfaces since the end of the control
> > > name is interpreted (eg, "Volume", "Switch").
> > > 
> > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > 
> > Thanks, applied now.
> > 
> > 
> > > +		if (strcmp(ncontrol->name, kctl.id.name) != 0)
> 
> Maybe better is to just use end char comparsion to save few CPU ticks:
> 
> if (kctl.id.name[sizeof(kctl.id.name)-2] != '\0' &&
>     ncontrol->name[sizeof(kctl.id.name)-1] != '\0')

No, this may cause segfault (and way too hacky to understand what's
the purpose of the code...)


Takashi
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