>Number:         24674
>Category:       bin
>Synopsis:       ksh doesn't truncate prompt in emacs mode
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Mar 04 20:47:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator:     rivo nurges
>Release:        NetBSD 1.6ZK
>Organization:
	
>Environment:
	
	
System: NetBSD anarchy.estpak.ee 1.6ZK NetBSD 1.6ZK (ANARCHY) #1: Tue Mar 2 15:30:21 UTC 2004 root@anarchy.estpak.ee:/usr/src/sys/arch/i386/compile/ANARCHY i386
Architecture: i386
Machine: i386
>Description:
Ksh doesn't truncate prompt in emacs mode and will not echo any typed chars if prompt is longer than terminal width.
>How-To-Repeat:
export PS1="asdasdasdasdsadsadasdsadsadasdasdsadsadasdsadasdasdasdasdasdasdasdasdasdasdasdasdadasdasdadasdasdasdasdasdasdsadadsadasd" # more if you have larger terminal
try to type something...
>Fix:
Index: bin/ksh/emacs.c
===================================================================
RCS file: /NetBSD/src/bin/ksh/emacs.c,v
retrieving revision 1.23
diff -u -3 -p -r1.23 emacs.c
--- bin/ksh/emacs.c     26 Feb 2004 08:24:03 -0000      1.23
+++ bin/ksh/emacs.c     4 Mar 2004 20:22:58 -0000
@@ -125,6 +125,7 @@ static      char    *killstack[KILLSIZE];
 static int     killsp, killtp;
 static int     x_curprefix;
 static char    *macroptr;
+static int     prompt_trunc;           /* how much of prompt to truncate */
 static int     prompt_skip;
 
 static int      x_ins       ARGS((char *cp));
@@ -358,11 +359,17 @@ x_emacs(buf, len)
        xx_cols = x_cols;
        x_col = promptlen(prompt, &p);
        prompt_skip = p - prompt;
+       if (x_col > x_cols - 3 - MIN_EDIT_SPACE) {
+               x_col = x_cols - 3 - MIN_EDIT_SPACE;
+               prompt_trunc = x_cols - x_col;
+       } else
+               prompt_trunc = 0;
+
        x_adj_ok = 1;
        x_displen = xx_cols - 2 - x_col;
        x_adj_done = 0;
 
-       pprompt(prompt, 0);
+       pprompt(prompt, prompt_trunc);
 
        if (x_nextcmd >= 0) {
                int off = source->line - x_nextcmd;

>Release-Note:
>Audit-Trail:
>Unformatted: