Annotation of embedaddon/readline/misc.c, revision 1.1.1.3
1.1 misho 1: /* misc.c -- miscellaneous bindable readline functions. */
2:
1.1.1.3 ! misho 3: /* Copyright (C) 1987-2019 Free Software Foundation, Inc.
1.1 misho 4:
5: This file is part of the GNU Readline Library (Readline), a library
6: for reading lines of text with interactive input and history editing.
7:
8: Readline is free software: you can redistribute it and/or modify
9: it under the terms of the GNU General Public License as published by
10: the Free Software Foundation, either version 3 of the License, or
11: (at your option) any later version.
12:
13: Readline is distributed in the hope that it will be useful,
14: but WITHOUT ANY WARRANTY; without even the implied warranty of
15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: GNU General Public License for more details.
17:
18: You should have received a copy of the GNU General Public License
19: along with Readline. If not, see <http://www.gnu.org/licenses/>.
20: */
21:
22: #define READLINE_LIBRARY
23:
24: #if defined (HAVE_CONFIG_H)
25: # include <config.h>
26: #endif
27:
28: #if defined (HAVE_UNISTD_H)
29: # include <unistd.h>
30: #endif /* HAVE_UNISTD_H */
31:
32: #if defined (HAVE_STDLIB_H)
33: # include <stdlib.h>
34: #else
35: # include "ansi_stdlib.h"
36: #endif /* HAVE_STDLIB_H */
37:
38: #if defined (HAVE_LOCALE_H)
39: # include <locale.h>
40: #endif
41:
42: #include <stdio.h>
43:
44: /* System-specific feature definitions and include files. */
45: #include "rldefs.h"
46: #include "rlmbutil.h"
47:
48: /* Some standard library routines. */
49: #include "readline.h"
50: #include "history.h"
51:
52: #include "rlprivate.h"
53: #include "rlshell.h"
54: #include "xmalloc.h"
55:
56: static int rl_digit_loop PARAMS((void));
57: static void _rl_history_set_point PARAMS((void));
58:
59: /* Forward declarations used in this file */
60: void _rl_free_history_entry PARAMS((HIST_ENTRY *));
61:
62: /* If non-zero, rl_get_previous_history and rl_get_next_history attempt
63: to preserve the value of rl_point from line to line. */
64: int _rl_history_preserve_point = 0;
65:
66: _rl_arg_cxt _rl_argcxt;
67:
68: /* Saved target point for when _rl_history_preserve_point is set. Special
69: value of -1 means that point is at the end of the line. */
70: int _rl_history_saved_point = -1;
71:
72: /* **************************************************************** */
73: /* */
74: /* Numeric Arguments */
75: /* */
76: /* **************************************************************** */
77:
78: int
1.1.1.3 ! misho 79: _rl_arg_overflow (void)
1.1 misho 80: {
81: if (rl_numeric_arg > 1000000)
82: {
83: _rl_argcxt = 0;
84: rl_explicit_arg = rl_numeric_arg = 0;
85: rl_ding ();
86: rl_restore_prompt ();
87: rl_clear_message ();
88: RL_UNSETSTATE(RL_STATE_NUMERICARG);
89: return 1;
90: }
91: return 0;
92: }
93:
94: void
1.1.1.3 ! misho 95: _rl_arg_init (void)
1.1 misho 96: {
97: rl_save_prompt ();
98: _rl_argcxt = 0;
99: RL_SETSTATE(RL_STATE_NUMERICARG);
100: }
101:
102: int
1.1.1.3 ! misho 103: _rl_arg_getchar (void)
1.1 misho 104: {
105: int c;
106:
107: rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
108: RL_SETSTATE(RL_STATE_MOREINPUT);
109: c = rl_read_key ();
110: RL_UNSETSTATE(RL_STATE_MOREINPUT);
111:
112: return c;
113: }
114:
115: /* Process C as part of the current numeric argument. Return -1 if the
116: argument should be aborted, 0 if we should not read any more chars, and
117: 1 if we should continue to read chars. */
118: int
1.1.1.3 ! misho 119: _rl_arg_dispatch (_rl_arg_cxt cxt, int c)
1.1 misho 120: {
121: int key, r;
122:
123: key = c;
124:
125: /* If we see a key bound to `universal-argument' after seeing digits,
126: it ends the argument but is otherwise ignored. */
1.1.1.3 ! misho 127: if (c >= 0 && _rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
1.1 misho 128: {
129: if ((cxt & NUM_SAWDIGITS) == 0)
130: {
131: rl_numeric_arg *= 4;
132: return 1;
133: }
134: else if (RL_ISSTATE (RL_STATE_CALLBACK))
135: {
136: _rl_argcxt |= NUM_READONE;
137: return 0; /* XXX */
138: }
139: else
140: {
1.1.1.3 ! misho 141: key = _rl_bracketed_read_key ();
1.1 misho 142: rl_restore_prompt ();
143: rl_clear_message ();
144: RL_UNSETSTATE(RL_STATE_NUMERICARG);
145: if (key < 0)
146: return -1;
147: return (_rl_dispatch (key, _rl_keymap));
148: }
149: }
150:
151: c = UNMETA (c);
152:
153: if (_rl_digit_p (c))
154: {
155: r = _rl_digit_value (c);
156: rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) + r : r;
157: rl_explicit_arg = 1;
158: _rl_argcxt |= NUM_SAWDIGITS;
159: }
160: else if (c == '-' && rl_explicit_arg == 0)
161: {
162: rl_numeric_arg = 1;
163: _rl_argcxt |= NUM_SAWMINUS;
164: rl_arg_sign = -1;
165: }
166: else
167: {
168: /* Make M-- command equivalent to M--1 command. */
169: if ((_rl_argcxt & NUM_SAWMINUS) && rl_numeric_arg == 1 && rl_explicit_arg == 0)
170: rl_explicit_arg = 1;
171: rl_restore_prompt ();
172: rl_clear_message ();
173: RL_UNSETSTATE(RL_STATE_NUMERICARG);
174:
175: r = _rl_dispatch (key, _rl_keymap);
176: if (RL_ISSTATE (RL_STATE_CALLBACK))
177: {
178: /* At worst, this will cause an extra redisplay. Otherwise,
179: we have to wait until the next character comes in. */
180: if (rl_done == 0)
181: (*rl_redisplay_function) ();
182: r = 0;
183: }
184: return r;
185: }
186:
187: return 1;
188: }
189:
190: /* Handle C-u style numeric args, as well as M--, and M-digits. */
191: static int
1.1.1.3 ! misho 192: rl_digit_loop (void)
1.1 misho 193: {
194: int c, r;
195:
196: while (1)
197: {
198: if (_rl_arg_overflow ())
199: return 1;
200:
201: c = _rl_arg_getchar ();
202:
203: if (c < 0)
204: {
205: _rl_abort_internal ();
206: return -1;
207: }
208:
209: r = _rl_arg_dispatch (_rl_argcxt, c);
210: if (r <= 0 || (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
211: break;
212: }
213:
214: return r;
215: }
216:
217: /* Create a default argument. */
218: void
1.1.1.3 ! misho 219: _rl_reset_argument (void)
1.1 misho 220: {
221: rl_numeric_arg = rl_arg_sign = 1;
222: rl_explicit_arg = 0;
223: _rl_argcxt = 0;
224: }
225:
226: /* Start a numeric argument with initial value KEY */
227: int
1.1.1.3 ! misho 228: rl_digit_argument (int ignore, int key)
1.1 misho 229: {
230: _rl_arg_init ();
231: if (RL_ISSTATE (RL_STATE_CALLBACK))
232: {
233: _rl_arg_dispatch (_rl_argcxt, key);
234: rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
235: return 0;
236: }
237: else
238: {
239: rl_execute_next (key);
240: return (rl_digit_loop ());
241: }
242: }
243:
244: /* C-u, universal argument. Multiply the current argument by 4.
245: Read a key. If the key has nothing to do with arguments, then
246: dispatch on it. If the key is the abort character then abort. */
247: int
1.1.1.3 ! misho 248: rl_universal_argument (int count, int key)
1.1 misho 249: {
250: _rl_arg_init ();
251: rl_numeric_arg *= 4;
252:
253: return (RL_ISSTATE (RL_STATE_CALLBACK) ? 0 : rl_digit_loop ());
254: }
255:
256: int
1.1.1.3 ! misho 257: _rl_arg_callback (_rl_arg_cxt cxt)
1.1 misho 258: {
259: int c, r;
260:
261: c = _rl_arg_getchar ();
1.1.1.3 ! misho 262: if (c < 0)
! 263: return (1); /* EOF */
1.1 misho 264:
265: if (_rl_argcxt & NUM_READONE)
266: {
267: _rl_argcxt &= ~NUM_READONE;
268: rl_restore_prompt ();
269: rl_clear_message ();
270: RL_UNSETSTATE(RL_STATE_NUMERICARG);
271: rl_execute_next (c);
272: return 0;
273: }
274:
275: r = _rl_arg_dispatch (cxt, c);
1.1.1.3 ! misho 276: if (r > 0)
! 277: rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
1.1 misho 278: return (r != 1);
279: }
280:
281: /* What to do when you abort reading an argument. */
282: int
1.1.1.3 ! misho 283: rl_discard_argument (void)
1.1 misho 284: {
285: rl_ding ();
286: rl_clear_message ();
287: _rl_reset_argument ();
288:
289: return 0;
290: }
291:
292: /* **************************************************************** */
293: /* */
294: /* History Utilities */
295: /* */
296: /* **************************************************************** */
297:
298: /* We already have a history library, and that is what we use to control
299: the history features of readline. This is our local interface to
300: the history mechanism. */
301:
302: /* While we are editing the history, this is the saved
303: version of the original line. */
304: HIST_ENTRY *_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
305:
306: /* Set the history pointer back to the last entry in the history. */
307: void
1.1.1.3 ! misho 308: _rl_start_using_history (void)
1.1 misho 309: {
310: using_history ();
311: if (_rl_saved_line_for_history)
312: _rl_free_history_entry (_rl_saved_line_for_history);
313:
314: _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
315: }
316:
317: /* Free the contents (and containing structure) of a HIST_ENTRY. */
318: void
1.1.1.3 ! misho 319: _rl_free_history_entry (HIST_ENTRY *entry)
1.1 misho 320: {
321: if (entry == 0)
322: return;
323:
324: FREE (entry->line);
325: FREE (entry->timestamp);
326:
327: xfree (entry);
328: }
329:
330: /* Perhaps put back the current line if it has changed. */
331: int
1.1.1.3 ! misho 332: rl_maybe_replace_line (void)
1.1 misho 333: {
334: HIST_ENTRY *temp;
335:
336: temp = current_history ();
337: /* If the current line has changed, save the changes. */
338: if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
339: {
340: temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
341: xfree (temp->line);
342: FREE (temp->timestamp);
343: xfree (temp);
344: }
345: return 0;
346: }
347:
348: /* Restore the _rl_saved_line_for_history if there is one. */
349: int
1.1.1.3 ! misho 350: rl_maybe_unsave_line (void)
1.1 misho 351: {
352: if (_rl_saved_line_for_history)
353: {
354: /* Can't call with `1' because rl_undo_list might point to an undo
355: list from a history entry, as in rl_replace_from_history() below. */
356: rl_replace_line (_rl_saved_line_for_history->line, 0);
357: rl_undo_list = (UNDO_LIST *)_rl_saved_line_for_history->data;
358: _rl_free_history_entry (_rl_saved_line_for_history);
359: _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
360: rl_point = rl_end; /* rl_replace_line sets rl_end */
361: }
362: else
363: rl_ding ();
364: return 0;
365: }
366:
367: /* Save the current line in _rl_saved_line_for_history. */
368: int
1.1.1.3 ! misho 369: rl_maybe_save_line (void)
1.1 misho 370: {
371: if (_rl_saved_line_for_history == 0)
372: {
373: _rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
374: _rl_saved_line_for_history->line = savestring (rl_line_buffer);
375: _rl_saved_line_for_history->timestamp = (char *)NULL;
376: _rl_saved_line_for_history->data = (char *)rl_undo_list;
377: }
378:
379: return 0;
380: }
381:
382: int
1.1.1.3 ! misho 383: _rl_free_saved_history_line (void)
1.1 misho 384: {
385: if (_rl_saved_line_for_history)
386: {
387: _rl_free_history_entry (_rl_saved_line_for_history);
388: _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
389: }
390: return 0;
391: }
392:
393: static void
1.1.1.3 ! misho 394: _rl_history_set_point (void)
1.1 misho 395: {
396: rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
397: ? _rl_history_saved_point
398: : rl_end;
399: if (rl_point > rl_end)
400: rl_point = rl_end;
401:
402: #if defined (VI_MODE)
403: if (rl_editing_mode == vi_mode && _rl_keymap != vi_insertion_keymap)
404: rl_point = 0;
405: #endif /* VI_MODE */
406:
407: if (rl_editing_mode == emacs_mode)
408: rl_mark = (rl_point == rl_end ? 0 : rl_end);
409: }
410:
411: void
1.1.1.3 ! misho 412: rl_replace_from_history (HIST_ENTRY *entry, int flags)
1.1 misho 413: {
414: /* Can't call with `1' because rl_undo_list might point to an undo list
415: from a history entry, just like we're setting up here. */
416: rl_replace_line (entry->line, 0);
417: rl_undo_list = (UNDO_LIST *)entry->data;
418: rl_point = rl_end;
419: rl_mark = 0;
420:
421: #if defined (VI_MODE)
422: if (rl_editing_mode == vi_mode)
423: {
424: rl_point = 0;
425: rl_mark = rl_end;
426: }
427: #endif
428: }
429:
430: /* Process and free undo lists attached to each history entry prior to the
431: current entry, inclusive, reverting each line to its saved state. This
432: is destructive, and state about the current line is lost. This is not
433: intended to be called while actively editing, and the current line is
434: not assumed to have been added to the history list. */
435: void
1.1.1.3 ! misho 436: _rl_revert_previous_lines (void)
1.1 misho 437: {
438: int hpos;
439: HIST_ENTRY *entry;
440: UNDO_LIST *ul, *saved_undo_list;
441: char *lbuf;
442:
443: lbuf = savestring (rl_line_buffer);
444: saved_undo_list = rl_undo_list;
445: hpos = where_history ();
446:
447: entry = (hpos == history_length) ? previous_history () : current_history ();
448: while (entry)
449: {
450: if (ul = (UNDO_LIST *)entry->data)
451: {
452: if (ul == saved_undo_list)
453: saved_undo_list = 0;
454: /* Set up rl_line_buffer and other variables from history entry */
455: rl_replace_from_history (entry, 0); /* entry->line is now current */
1.1.1.2 misho 456: entry->data = 0; /* entry->data is now current undo list */
1.1 misho 457: /* Undo all changes to this history entry */
458: while (rl_undo_list)
459: rl_do_undo ();
460: /* And copy the reverted line back to the history entry, preserving
461: the timestamp. */
462: FREE (entry->line);
463: entry->line = savestring (rl_line_buffer);
464: }
465: entry = previous_history ();
466: }
467:
468: /* Restore history state */
469: rl_undo_list = saved_undo_list; /* may have been set to null */
470: history_set_pos (hpos);
471:
472: /* reset the line buffer */
473: rl_replace_line (lbuf, 0);
474: _rl_set_the_line ();
475:
476: /* and clean up */
477: xfree (lbuf);
478: }
479:
1.1.1.3 ! misho 480: /* Revert all lines in the history by making sure we are at the end of the
! 481: history before calling _rl_revert_previous_lines() */
! 482: void
! 483: _rl_revert_all_lines (void)
! 484: {
! 485: int pos;
! 486:
! 487: pos = where_history ();
! 488: using_history ();
! 489: _rl_revert_previous_lines ();
! 490: history_set_pos (pos);
! 491: }
! 492:
1.1 misho 493: /* Free the history list, including private readline data and take care
494: of pointer aliases to history data. Resets rl_undo_list if it points
495: to an UNDO_LIST * saved as some history entry's data member. This
496: should not be called while editing is active. */
497: void
1.1.1.3 ! misho 498: rl_clear_history (void)
1.1 misho 499: {
500: HIST_ENTRY **hlist, *hent;
501: register int i;
502: UNDO_LIST *ul, *saved_undo_list;
503:
504: saved_undo_list = rl_undo_list;
505: hlist = history_list (); /* direct pointer, not copy */
506:
507: for (i = 0; i < history_length; i++)
508: {
509: hent = hlist[i];
510: if (ul = (UNDO_LIST *)hent->data)
511: {
512: if (ul == saved_undo_list)
513: saved_undo_list = 0;
514: _rl_free_undo_list (ul);
515: hent->data = 0;
516: }
517: _rl_free_history_entry (hent);
518: }
519:
520: history_offset = history_length = 0;
521: rl_undo_list = saved_undo_list; /* should be NULL */
522: }
523:
524: /* **************************************************************** */
525: /* */
526: /* History Commands */
527: /* */
528: /* **************************************************************** */
529:
530: /* Meta-< goes to the start of the history. */
531: int
1.1.1.3 ! misho 532: rl_beginning_of_history (int count, int key)
1.1 misho 533: {
534: return (rl_get_previous_history (1 + where_history (), key));
535: }
536:
537: /* Meta-> goes to the end of the history. (The current line). */
538: int
1.1.1.3 ! misho 539: rl_end_of_history (int count, int key)
1.1 misho 540: {
541: rl_maybe_replace_line ();
542: using_history ();
543: rl_maybe_unsave_line ();
544: return 0;
545: }
546:
547: /* Move down to the next history line. */
548: int
1.1.1.3 ! misho 549: rl_get_next_history (int count, int key)
1.1 misho 550: {
551: HIST_ENTRY *temp;
552:
553: if (count < 0)
554: return (rl_get_previous_history (-count, key));
555:
556: if (count == 0)
557: return 0;
558:
559: rl_maybe_replace_line ();
560:
561: /* either not saved by rl_newline or at end of line, so set appropriately. */
562: if (_rl_history_saved_point == -1 && (rl_point || rl_end))
563: _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
564:
565: temp = (HIST_ENTRY *)NULL;
566: while (count)
567: {
568: temp = next_history ();
569: if (!temp)
570: break;
571: --count;
572: }
573:
574: if (temp == 0)
575: rl_maybe_unsave_line ();
576: else
577: {
578: rl_replace_from_history (temp, 0);
579: _rl_history_set_point ();
580: }
581: return 0;
582: }
583:
584: /* Get the previous item out of our interactive history, making it the current
585: line. If there is no previous history, just ding. */
586: int
1.1.1.3 ! misho 587: rl_get_previous_history (int count, int key)
1.1 misho 588: {
589: HIST_ENTRY *old_temp, *temp;
1.1.1.3 ! misho 590: int had_saved_line;
1.1 misho 591:
592: if (count < 0)
593: return (rl_get_next_history (-count, key));
594:
1.1.1.3 ! misho 595: if (count == 0 || history_list () == 0)
1.1 misho 596: return 0;
597:
598: /* either not saved by rl_newline or at end of line, so set appropriately. */
599: if (_rl_history_saved_point == -1 && (rl_point || rl_end))
600: _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
601:
602: /* If we don't have a line saved, then save this one. */
1.1.1.3 ! misho 603: had_saved_line = _rl_saved_line_for_history != 0;
1.1 misho 604: rl_maybe_save_line ();
605:
606: /* If the current line has changed, save the changes. */
607: rl_maybe_replace_line ();
608:
609: temp = old_temp = (HIST_ENTRY *)NULL;
610: while (count)
611: {
612: temp = previous_history ();
613: if (temp == 0)
614: break;
615:
616: old_temp = temp;
617: --count;
618: }
619:
620: /* If there was a large argument, and we moved back to the start of the
621: history, that is not an error. So use the last value found. */
622: if (!temp && old_temp)
623: temp = old_temp;
624:
625: if (temp == 0)
1.1.1.3 ! misho 626: {
! 627: if (had_saved_line == 0)
! 628: _rl_free_saved_history_line ();
! 629: rl_ding ();
! 630: }
1.1 misho 631: else
632: {
633: rl_replace_from_history (temp, 0);
634: _rl_history_set_point ();
635: }
636:
637: return 0;
638: }
639:
1.1.1.3 ! misho 640: /* The equivalent of the Korn shell C-o operate-and-get-next-history-line
! 641: editing command. */
! 642:
! 643: /* This could stand to be global to the readline library */
! 644: static rl_hook_func_t *_rl_saved_internal_startup_hook = 0;
! 645: static int saved_history_logical_offset = -1;
! 646:
! 647: #define HISTORY_FULL() (history_is_stifled () && history_length >= history_max_entries)
! 648:
! 649: static int
! 650: set_saved_history ()
! 651: {
! 652: int absolute_offset, count;
! 653:
! 654: if (saved_history_logical_offset >= 0)
! 655: {
! 656: absolute_offset = saved_history_logical_offset - history_base;
! 657: count = where_history () - absolute_offset;
! 658: rl_get_previous_history (count, 0);
! 659: }
! 660: saved_history_logical_offset = -1;
! 661: _rl_internal_startup_hook = _rl_saved_internal_startup_hook;
! 662:
! 663: return (0);
! 664: }
! 665:
! 666: int
! 667: rl_operate_and_get_next (count, c)
! 668: int count, c;
! 669: {
! 670: /* Accept the current line. */
! 671: rl_newline (1, c);
! 672:
! 673: saved_history_logical_offset = rl_explicit_arg ? count : where_history () + history_base + 1;
! 674:
! 675:
! 676: _rl_saved_internal_startup_hook = _rl_internal_startup_hook;
! 677: _rl_internal_startup_hook = set_saved_history;
! 678:
! 679: return 0;
! 680: }
! 681:
1.1 misho 682: /* **************************************************************** */
683: /* */
684: /* Editing Modes */
685: /* */
686: /* **************************************************************** */
687: /* How to toggle back and forth between editing modes. */
688: int
1.1.1.3 ! misho 689: rl_vi_editing_mode (int count, int key)
1.1 misho 690: {
691: #if defined (VI_MODE)
692: _rl_set_insert_mode (RL_IM_INSERT, 1); /* vi mode ignores insert mode */
693: rl_editing_mode = vi_mode;
694: rl_vi_insert_mode (1, key);
695: #endif /* VI_MODE */
696:
697: return 0;
698: }
699:
700: int
1.1.1.3 ! misho 701: rl_emacs_editing_mode (int count, int key)
1.1 misho 702: {
703: rl_editing_mode = emacs_mode;
704: _rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
705: _rl_keymap = emacs_standard_keymap;
706:
707: if (_rl_show_mode_in_prompt)
708: _rl_reset_prompt ();
709:
710: return 0;
711: }
712:
713: /* Function for the rest of the library to use to set insert/overwrite mode. */
714: void
1.1.1.3 ! misho 715: _rl_set_insert_mode (int im, int force)
1.1 misho 716: {
717: #ifdef CURSOR_MODE
718: _rl_set_cursor (im, force);
719: #endif
720:
721: rl_insert_mode = im;
722: }
723:
724: /* Toggle overwrite mode. A positive explicit argument selects overwrite
725: mode. A negative or zero explicit argument selects insert mode. */
726: int
1.1.1.3 ! misho 727: rl_overwrite_mode (int count, int key)
1.1 misho 728: {
729: if (rl_explicit_arg == 0)
730: _rl_set_insert_mode (rl_insert_mode ^ 1, 0);
731: else if (count > 0)
732: _rl_set_insert_mode (RL_IM_OVERWRITE, 0);
733: else
734: _rl_set_insert_mode (RL_IM_INSERT, 0);
735:
736: return 0;
737: }
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