Readline-5.1 Official Patch 3

[Chet Ramey]

                           READLINE PATCH REPORT
                           =====================

Readline-Release: 5.1
Patch-ID: readline51-003

Bug-Reported-by: Bob Rossi <bob@brasko.net>
Bug-Reference-ID: <43F60606.80708@case.edu>
Bug-Reference-URL:

Bug-Description:

In some cases, readline will reference freed memory when attempting to
display a portion of the prompt.

Patch:

*** ../readline-5.1/readline.c  Tue Dec 20 17:38:29 2005
--- readline.c  Fri Feb 17 22:54:22 2006
***************
*** 282,287 ****
--- 282,288 ----
  {
    FREE (rl_prompt);
    rl_prompt = prompt ? savestring (prompt) : (char *)NULL;
+   rl_display_prompt = rl_prompt ? rl_prompt : "";
  
    rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
    return 0;

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
                                       Live Strong.  No day but today.
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/