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-rw-r--r--readline/misc.c88
1 files changed, 71 insertions, 17 deletions
diff --git a/readline/misc.c b/readline/misc.c
index d455832..9f45773 100644
--- a/readline/misc.c
+++ b/readline/misc.c
@@ -1,24 +1,24 @@
/* misc.c -- miscellaneous bindable readline functions. */
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
- This file is part of the GNU Readline Library, a library for
- reading lines of text with interactive input and history editing.
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
- The GNU Readline Library is free software; you can redistribute it
- and/or modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2, or
+ Readline is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
- The GNU Readline Library is distributed in the hope that it will be
- useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Readline is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- The GNU General Public License is often shipped with GNU software, and
- is generally kept in a file called COPYING or LICENSE. If you do not
- have a copy of the license, write to the Free Software Foundation,
- 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
@@ -146,6 +146,8 @@ _rl_arg_dispatch (cxt, c)
rl_restore_prompt ();
rl_clear_message ();
RL_UNSETSTATE(RL_STATE_NUMERICARG);
+ if (key < 0)
+ return -1;
return (_rl_dispatch (key, _rl_keymap));
}
}
@@ -212,6 +214,8 @@ rl_digit_loop ()
if (r <= 0 || (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
break;
}
+
+ return r;
}
/* Create a default argument. */
@@ -324,7 +328,7 @@ _rl_free_history_entry (entry)
FREE (entry->line);
FREE (entry->timestamp);
- free (entry);
+ xfree (entry);
}
/* Perhaps put back the current line if it has changed. */
@@ -338,9 +342,9 @@ rl_maybe_replace_line ()
if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
{
temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
- free (temp->line);
+ xfree (temp->line);
FREE (temp->timestamp);
- free (temp);
+ xfree (temp);
}
return 0;
}
@@ -427,6 +431,56 @@ rl_replace_from_history (entry, flags)
rl_mark = rl_end;
}
#endif
+}
+
+/* Process and free undo lists attached to each history entry prior to the
+ current entry, inclusive, reverting each line to its saved state. This
+ is destructive, and state about the current line is lost. This is not
+ intended to be called while actively editing, and the current line is
+ not assumed to have been added to the history list. */
+void
+_rl_revert_all_lines ()
+{
+ int hpos;
+ HIST_ENTRY *entry;
+ UNDO_LIST *ul, *saved_undo_list;
+ char *lbuf;
+
+ lbuf = savestring (rl_line_buffer);
+ saved_undo_list = rl_undo_list;
+ hpos = where_history ();
+
+ entry = (hpos == history_length) ? previous_history () : current_history ();
+ while (entry)
+ {
+ if (ul = (UNDO_LIST *)entry->data)
+ {
+ if (ul == saved_undo_list)
+ saved_undo_list = 0;
+ /* Set up rl_line_buffer and other variables from history entry */
+ rl_replace_from_history (entry, 0); /* entry->line is now current */
+ /* Undo all changes to this history entry */
+ while (rl_undo_list)
+ rl_do_undo ();
+ /* And copy the reverted line back to the history entry, preserving
+ the timestamp. */
+ FREE (entry->line);
+ entry->line = savestring (rl_line_buffer);
+ entry->data = 0;
+ }
+ entry = previous_history ();
+ }
+
+ /* Restore history state */
+ rl_undo_list = saved_undo_list; /* may have been set to null */
+ history_set_pos (hpos);
+
+ /* reset the line buffer */
+ rl_replace_line (lbuf, 0);
+ _rl_set_the_line ();
+
+ /* and clean up */
+ xfree (lbuf);
}
/* **************************************************************** */
@@ -556,7 +610,7 @@ rl_vi_editing_mode (count, key)
#if defined (VI_MODE)
_rl_set_insert_mode (RL_IM_INSERT, 1); /* vi mode ignores insert mode */
rl_editing_mode = vi_mode;
- rl_vi_insertion_mode (1, key);
+ rl_vi_insert_mode (1, key);
#endif /* VI_MODE */
return 0;