Simple Line Editor

Till Straumann strauman at slac.stanford.edu
Tue Mar 2 15:59:08 UTC 2010


Eric Norum wrote:
> This looks like an interesting project.  As the web page says, 
> functionality somewhat like readline would be very useful.
>
> The one big requirement is that the code be reentrant to allow for 
> multiple ssh or telnet 'logins' to the RTEMS machine.  This is 
> currently the major shortcoming in readline (and the similar 'tecla' 
> project) since they rely on the termcap library which is non-reentrant.
You can build 'tecla' without using curses, ncurses or termcap and you get a
very nice, re-entrant line editor (assumes/supports an ANSI terminal only).

FWIW
-- Till
>
> A way to limit the scope to make the project more tractable would be 
> to support only the ANSI terminal control sequences.  This isn't that 
> big a restriction nowadays when a 'terminal' is likely an emulation 
> program running on another computer.
>
> On Feb 20, 2010, at 8:22 AM, Gokul Sudhakaran wrote:
>
>>
>> Hi
>>
>> I recently installed rtems on my system and have been browsing 
>> through some of the open projects in the rtems wiki pages. I am 
>> interested in implementing the Simple Line Editor project. 
>> (http://www.rtems.com/wiki/index.php/SimpleLineEditor).
>>
>> I would appreciate it if someone could help me in getting a clear 
>> idea about the problem, any examples or sites that i could refer.
>>
>> -- 
>> Regards
>> Gokul
>>
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>
> -- 
> Eric Norum
> wenorum at lbl.gov <mailto:wenorum at lbl.gov>
>
>
>
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