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Re: strange char echo


From: Bryan Christ
Subject: Re: strange char echo
Date: Fri, 06 Nov 2009 09:32:04 -0600

ya.  i considered that they may just be stubs.

On Thu, 2009-11-05 at 23:53 +0000, Thomas Dickey wrote: 
> On Thu, 5 Nov 2009, Scott Furry wrote:
> 
> > Two schools of thought....
> > a) hardware
> > b) software
> >
> > For a) assuming some kind of external comms - do you have some form of loop 
> > back?
> > I'm going to say this is probably unlikely and would be special case. 
> > However, I have to throw it out.
> >
> > For b) when you did you initial build (assuming you built from source) did 
> > you config using the flag "with_sp_funcs"?
> > From the source see the configure file (line 9350 sets the flag 
> > NCURSES_SP_FUNCS) and lib_echo.c (NCURSES_SP_FUNCS is used to enable the 
> > build of the noecho function at line 77).
> 
> You're being misled by a trick with the ifdef's and define's: there's
> always a "noecho", but the ifdef's provide a different name for the
> function which accepts a SCREEN* parameter.  Since the bulk of the logic
> in most cases is in the latter, the plain "noecho" looks like it's just
> an add-on.
> 
> > Scott
> >
> >
> >
> >
> > Bryan Christ wrote:
> >> does anyone know what might cause characters to be echoed to the screen
> >> even though noecho() was called at startup?
> >> 
> >> 
> >> 
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> >>
> >> 
> >
> >
> >
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> >
> 





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