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READLINE PATCH REPORT
=====================
Readline-Release: 7.0
Patch-ID: readline70-004
Bug-Reported-by: Kieran Grant <kieran.thehacker.grant@gmail.com>
Bug-Reference-ID: <ec9071ae-efb1-9e09-5d03-e905daf2835c@gmail.com>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2018-02/msg00002.html
Bug-Description:
With certain values for PS1, especially those that wrap onto three or more
lines, readline will miscalculate the number of invisible characters,
leading to crashes and core dumps.
Patch (apply with `patch -p0'):
*** ../readline-7.0.3/display.c 2016-07-28 14:49:33.000000000 -0400
--- display.c 2018-02-03 19:19:35.000000000 -0500
***************
*** 772,776 ****
wadjust = (newlines == 0)
? prompt_invis_chars_first_line
! : ((newlines == prompt_lines_estimate) ? wrap_offset : prompt_invis_chars_first_line);
/* fix from Darin Johnson <darin@acuson.com> for prompt string with
--- 788,794 ----
wadjust = (newlines == 0)
? prompt_invis_chars_first_line
! : ((newlines == prompt_lines_estimate)
! ? (wrap_offset - prompt_invis_chars_first_line)
! : 0);
/* fix from Darin Johnson <darin@acuson.com> for prompt string with
*** ../readline-7.0/patchlevel 2013-11-15 08:11:11.000000000 -0500
--- patchlevel 2014-03-21 08:28:40.000000000 -0400
***************
*** 1,3 ****
# Do not edit -- exists only for use by patch
! 3
--- 1,3 ----
# Do not edit -- exists only for use by patch
! 4
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