Re: multiline ^C regression

[Chet Ramey]

On 3/27/14 3:40 AM, Egmont Koblinger wrote:
> Hi,
> 
> Type a multiline command, and press ^C.
> 
> bash-4.2:  The new prompt appeared below the complete multiline command.
> 
> bash-4.3:  The new prompt appears right under the previous prompt,
> overwriting parts of the aborted command line and leaving garbage after the
> new prompt.

Thanks for the report.  This is a consequence of bash and readline's
reworked signal handling, which moves processing out of signal handlers.

I've attached a patch that will fix this problem.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    c...@case.edu    http://cnswww.cns.cwru.edu/~chet/

*** ../bash-4.3-patched/lib/readline/display.c	2013-12-27 13:10:56.000000000 -0500
--- lib/readline/display.c	2014-03-27 11:52:45.000000000 -0400
***************
*** 2678,2682 ****
    if (_rl_echoing_p)
      {
!       _rl_move_vert (_rl_vis_botlin);
        _rl_vis_botlin = 0;
        fflush (rl_outstream);
--- 2678,2683 ----
    if (_rl_echoing_p)
      {
!       if (_rl_vis_botlin > 0)	/* minor optimization plus bug fix */
! 	_rl_move_vert (_rl_vis_botlin);
        _rl_vis_botlin = 0;
        fflush (rl_outstream);