2024-01-06 05:34:02 +01:00
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READLINE PATCH REPORT
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=====================
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Readline-Release: 7.0
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Patch-ID: readline70-001
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Bug-Reported-by: Sean Zha <freeman_cha@hotmail.com>
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Bug-Reference-ID: <BN3PR01MB13657D9303EB94BF6E54216E8CCA0@BN3PR01MB1365.prod.exchangelabs.com>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2016-09/msg00107.html
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Bug-Description:
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Readline-7.0 changed the way the history list is initially allocated to reduce
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the number of reallocations and copies. Users who set the readline
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history-size variable to a very large number to essentially unlimit the size
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of the history list will get memory allocation errors
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Patch (apply with `patch -p0'):
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*** ../readline-7.0/history.c 2015-12-28 13:50:31.000000000 -0500
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--- history.c 2016-09-30 14:28:40.000000000 -0400
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***************
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*** 58,61 ****
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--- 58,63 ----
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#define DEFAULT_HISTORY_INITIAL_SIZE 502
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+ #define MAX_HISTORY_INITIAL_SIZE 8192
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+
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/* The number of slots to increase the_history by. */
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#define DEFAULT_HISTORY_GROW_SIZE 50
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***************
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*** 308,312 ****
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{
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if (history_stifled && history_max_entries > 0)
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! history_size = history_max_entries + 2;
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else
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history_size = DEFAULT_HISTORY_INITIAL_SIZE;
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--- 310,316 ----
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{
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if (history_stifled && history_max_entries > 0)
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! history_size = (history_max_entries > MAX_HISTORY_INITIAL_SIZE)
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! ? MAX_HISTORY_INITIAL_SIZE
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! : history_max_entries + 2;
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else
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history_size = DEFAULT_HISTORY_INITIAL_SIZE;
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*** ../readline-7.0/patchlevel 2013-11-15 08:11:11.000000000 -0500
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--- patchlevel 2014-03-21 08:28:40.000000000 -0400
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***************
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*** 1,3 ****
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# Do not edit -- exists only for use by patch
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! 0
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--- 1,3 ----
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# Do not edit -- exists only for use by patch
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! 1
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READLINE PATCH REPORT
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=====================
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Readline-Release: 7.0
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Patch-ID: readline70-002
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Bug-Reported-by: Hong Cho <hong.cho@citrix.com>
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Bug-Reference-ID: <c30b5fe62b2543af8297e47ca487c29c@SJCPEX02CL02.citrite.net>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-readline/2016-12/msg00002.html
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Bug-Description:
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There is a race condition in add_history() that can be triggered by a fatal
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signal arriving between the time the history length is updated and the time
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the history list update is completed. A later attempt to reference an
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invalid history entry can cause a crash.
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Patch (apply with `patch -p0'):
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*** ../readline-7.0-patched/history.c 2016-11-11 13:42:49.000000000 -0500
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--- history.c 2016-12-05 10:37:51.000000000 -0500
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***************
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*** 280,283 ****
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--- 280,284 ----
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{
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HIST_ENTRY *temp;
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+ int new_length;
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if (history_stifled && (history_length == history_max_entries))
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***************
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*** 296,306 ****
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/* Copy the rest of the entries, moving down one slot. Copy includes
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trailing NULL. */
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- #if 0
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- for (i = 0; i < history_length; i++)
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- the_history[i] = the_history[i + 1];
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- #else
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memmove (the_history, the_history + 1, history_length * sizeof (HIST_ENTRY *));
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- #endif
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history_base++;
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}
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--- 297,303 ----
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/* Copy the rest of the entries, moving down one slot. Copy includes
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trailing NULL. */
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memmove (the_history, the_history + 1, history_length * sizeof (HIST_ENTRY *));
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+ new_length = history_length;
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history_base++;
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}
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***************
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*** 316,320 ****
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history_size = DEFAULT_HISTORY_INITIAL_SIZE;
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the_history = (HIST_ENTRY **)xmalloc (history_size * sizeof (HIST_ENTRY *));
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! history_length = 1;
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}
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else
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--- 313,317 ----
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history_size = DEFAULT_HISTORY_INITIAL_SIZE;
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the_history = (HIST_ENTRY **)xmalloc (history_size * sizeof (HIST_ENTRY *));
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! new_length = 1;
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}
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else
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***************
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*** 326,330 ****
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xrealloc (the_history, history_size * sizeof (HIST_ENTRY *));
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}
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! history_length++;
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}
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}
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--- 323,327 ----
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xrealloc (the_history, history_size * sizeof (HIST_ENTRY *));
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}
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! new_length = history_length + 1;
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}
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}
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***************
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*** 332,337 ****
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temp = alloc_history_entry ((char *)string, hist_inittime ());
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! the_history[history_length] = (HIST_ENTRY *)NULL;
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! the_history[history_length - 1] = temp;
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}
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--- 329,335 ----
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temp = alloc_history_entry ((char *)string, hist_inittime ());
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! the_history[new_length] = (HIST_ENTRY *)NULL;
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! the_history[new_length - 1] = temp;
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! history_length = new_length;
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}
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*** ../readline-7.0/patchlevel 2013-11-15 08:11:11.000000000 -0500
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--- patchlevel 2014-03-21 08:28:40.000000000 -0400
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***************
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*** 1,3 ****
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# Do not edit -- exists only for use by patch
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! 1
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--- 1,3 ----
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# Do not edit -- exists only for use by patch
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! 2
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READLINE PATCH REPORT
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=====================
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Readline-Release: 7.0
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Patch-ID: readline70-003
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Bug-Reported-by: Frédéric Brière <fbriere@fbriere.net>
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Bug-Reference-ID: <20170120180724.7ydq7fb2hsp366dj@fabul.fbriere.net>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-readline/2017-01/msg00002.html
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Bug-Description:
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Readline-7.0 uses pselect(2) to allow readline to handle signals that do not
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interrupt read(2), such as SIGALRM, before reading another character. The
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signal mask used in the pselect call did not take into account signals the
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calling application blocked before calling readline().
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Patch (apply with `patch -p0'):
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*** ../readline-7.0-patched/input.c 2016-08-30 10:21:47.000000000 -0400
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--- input.c 2017-01-23 10:21:56.000000000 -0500
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***************
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*** 514,517 ****
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--- 514,518 ----
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#if defined (HAVE_PSELECT)
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sigemptyset (&empty_set);
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+ sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &empty_set);
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FD_ZERO (&readfds);
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FD_SET (fileno (stream), &readfds);
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*** ../readline-7.0/patchlevel 2013-11-15 08:11:11.000000000 -0500
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--- patchlevel 2014-03-21 08:28:40.000000000 -0400
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***************
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*** 1,3 ****
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# Do not edit -- exists only for use by patch
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! 2
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--- 1,3 ----
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# Do not edit -- exists only for use by patch
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! 3
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2024-01-06 05:34:02 +01:00
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READLINE PATCH REPORT
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=====================
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Readline-Release: 7.0
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Patch-ID: readline70-004
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Bug-Reported-by: Kieran Grant <kieran.thehacker.grant@gmail.com>
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Bug-Reference-ID: <ec9071ae-efb1-9e09-5d03-e905daf2835c@gmail.com>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2018-02/msg00002.html
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Bug-Description:
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With certain values for PS1, especially those that wrap onto three or more
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lines, readline will miscalculate the number of invisible characters,
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leading to crashes and core dumps.
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Patch (apply with `patch -p0'):
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*** ../readline-7.0.3/display.c 2016-07-28 14:49:33.000000000 -0400
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--- display.c 2018-02-03 19:19:35.000000000 -0500
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***************
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*** 772,776 ****
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wadjust = (newlines == 0)
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? prompt_invis_chars_first_line
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! : ((newlines == prompt_lines_estimate) ? wrap_offset : prompt_invis_chars_first_line);
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/* fix from Darin Johnson <darin@acuson.com> for prompt string with
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--- 788,794 ----
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wadjust = (newlines == 0)
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? prompt_invis_chars_first_line
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! : ((newlines == prompt_lines_estimate)
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! ? (wrap_offset - prompt_invis_chars_first_line)
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! : 0);
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/* fix from Darin Johnson <darin@acuson.com> for prompt string with
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*** ../readline-7.0/patchlevel 2013-11-15 08:11:11.000000000 -0500
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--- patchlevel 2014-03-21 08:28:40.000000000 -0400
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***************
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*** 1,3 ****
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# Do not edit -- exists only for use by patch
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! 3
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--- 1,3 ----
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# Do not edit -- exists only for use by patch
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! 4
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READLINE PATCH REPORT
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=====================
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Readline-Release: 7.0
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Patch-ID: readline70-005
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Bug-Reported-by: Nuzhna Pomoshch <nuzhna_pomoshch@yahoo.com>
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Bug-Reference-ID: <1317167476.1492079.1495999776464@mail.yahoo.com>
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Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-readline/2017-05/msg00005.html
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Bug-Description:
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There are cases where a failing readline command (e.g., delete-char at the end
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of a line) can cause a multi-character key sequence to `back up' and attempt
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to re-read some of the characters in the sequence.
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Patch (apply with `patch -p0'):
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*** ../readline-7.0/readline.c 2016-04-20 15:53:52.000000000 -0400
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--- readline.c 2018-05-26 17:19:00.000000000 -0400
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***************
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*** 1058,1062 ****
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r = _rl_dispatch (ANYOTHERKEY, m);
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}
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! else if (r && map[ANYOTHERKEY].function)
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{
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/* We didn't match (r is probably -1), so return something to
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--- 1056,1060 ----
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r = _rl_dispatch (ANYOTHERKEY, m);
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}
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! else if (r < 0 && map[ANYOTHERKEY].function)
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{
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/* We didn't match (r is probably -1), so return something to
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***************
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*** 1070,1074 ****
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return -2;
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}
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! else if (r && got_subseq)
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{
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/* OK, back up the chain. */
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--- 1068,1072 ----
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return -2;
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}
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! else if (r < 0 && got_subseq) /* XXX */
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{
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/* OK, back up the chain. */
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*** ../readline-7.0/patchlevel 2013-11-15 08:11:11.000000000 -0500
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--- patchlevel 2014-03-21 08:28:40.000000000 -0400
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***************
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*** 1,3 ****
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# Do not edit -- exists only for use by patch
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! 4
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--- 1,3 ----
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# Do not edit -- exists only for use by patch
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! 5
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