Re: CVS commit: src/lib/libcurses

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

On Sun, Nov 10, 2013 at 23:45:46 +0000, David Laight wrote:

> On Sat, Nov 09, 2013 at 11:17:00AM +0000, Brett Lymn wrote:
> > Module Name:        src
> > Committed By:       blymn
> > Date:               Sat Nov  9 11:16:59 UTC 2013
> > 
> > Modified Files:
> >     src/lib/libcurses: add_wch.c addbytes.c addch.c addchnstr.c
> >         curses_private.h
> > 
> > Log Message:
> > Rename the old __waddbytes function to _cursesi_waddbytes and add a
> > parameter that controls whether or not certain characters in the
> > string are interpreted or not (things like tab being expanded).
> ...
> > Fix the addchstr family functions so that they call _cursesi_waddbytes
> > with character interpretation off as per SUSV2.
> 
> Does not expanding tabs actually make sense?
> At a guess it would lead to tab characters being send to the terminal
> and the display getting f**cked up.
> 
> I also suspect it will break applications that expect curses to
> expand tabs.

This is what addchstr() &c are defined to to.  Position is not
changed, special characters are not processed, wrapping is not done.

-uwe