Re: screen and curses problem

[Thomas Dickey]

On Tue, 3 Jul 2007, Miroslaw Dach wrote:

> Dear All,
>
>         I am having a problem with screen program which uses ncurses
> library. I have cross-compiled screen and ncurses library for powerpc405
> processor.
...
> I have recompiled the ncurses library version 5.4 with options which I
> have figured out from ELDK4.1 (Embedded Linux development Kit by Denx):
...
> The latest version of ncurses did cross compile but it does not work
> properly on my system so I turned to ncurses 5.4 with some patches.

:-(

> Unfortunately I am able to reattach to the server only twice.
> The third time when I attache to the server the screen prints the text as
> it was a wrong definition of characters per line.
...
> Do you have any idea what could be wrong?

no - the closest I recall in this area is a memory-leak in the tgetent()
code.  But that should not cause a failure after only a few tries.

You may be able to see more by configuring ncurses --with-trace, and
tracing calls in the result.

> I use the terminal definitions in the /ete/termcap. Maybe it is more
> convenient to use terminfo instead? What is the advantage of terminfo over
> termcap?

terminfo entries can be much larger (4k vs 1k), contain expressions that 
can be evaluated.

--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net