diff options
Diffstat (limited to 'readline/misc.c')
| -rw-r--r-- | readline/misc.c | 88 |
1 files changed, 71 insertions, 17 deletions
diff --git a/readline/misc.c b/readline/misc.c index d4558321dec..9f457736dac 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; |