62 cv_undo(EditLine *el)  in cv_undo()  argument
64 	c_undo_t *vu = &el->el_chared.c_undo;  in cv_undo()
65 	c_redo_t *r = &el->el_chared.c_redo;  in cv_undo()
69 	size = (size_t)(el->el_line.lastchar - el->el_line.buffer);  in cv_undo()
71 	vu->cursor = (int)(el->el_line.cursor - el->el_line.buffer);  in cv_undo()
72 	(void)memcpy(vu->buf, el->el_line.buffer, size * sizeof(*vu->buf));  in cv_undo()
75 	r->count = el->el_state.doingarg ? el->el_state.argument : 0;  in cv_undo()
76 	r->action = el->el_chared.c_vcmd.action;  in cv_undo()
78 	r->cmd = el->el_state.thiscmd;  in cv_undo()
79 	r->ch = el->el_state.thisch;  in cv_undo()
86 cv_yank(EditLine *el, const wchar_t *ptr, int size)  in cv_yank()  argument
88 	c_kill_t *k = &el->el_chared.c_kill;  in cv_yank()
99 c_insert(EditLine *el, int num)  in c_insert()  argument
103 	if (el->el_line.lastchar + num >= el->el_line.limit) {  in c_insert()
104 		if (!ch_enlargebufs(el, (size_t)num))  in c_insert()
108 	if (el->el_line.cursor < el->el_line.lastchar) {  in c_insert()
110 		for (cp = el->el_line.lastchar; cp >= el->el_line.cursor; cp--)  in c_insert()
113 	el->el_line.lastchar += num;  in c_insert()
121 c_delafter(EditLine *el, int num)  in c_delafter()  argument
124 	if (el->el_line.cursor + num > el->el_line.lastchar)  in c_delafter()
125 		num = (int)(el->el_line.lastchar - el->el_line.cursor);  in c_delafter()
127 	if (el->el_map.current != el->el_map.emacs) {  in c_delafter()
128 		cv_undo(el);  in c_delafter()
129 		cv_yank(el, el->el_line.cursor, num);  in c_delafter()
135 		for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)  in c_delafter()
138 		el->el_line.lastchar -= num;  in c_delafter()
147 c_delafter1(EditLine *el)  in c_delafter1()  argument
151 	for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)  in c_delafter1()
154 	el->el_line.lastchar--;  in c_delafter1()
162 c_delbefore(EditLine *el, int num)  in c_delbefore()  argument
165 	if (el->el_line.cursor - num < el->el_line.buffer)  in c_delbefore()
166 		num = (int)(el->el_line.cursor - el->el_line.buffer);  in c_delbefore()
168 	if (el->el_map.current != el->el_map.emacs) {  in c_delbefore()
169 		cv_undo(el);  in c_delbefore()
170 		cv_yank(el, el->el_line.cursor - num, num);  in c_delbefore()
176 		for (cp = el->el_line.cursor - num;  in c_delbefore()
177 		    &cp[num] <= el->el_line.lastchar;  in c_delbefore()
181 		el->el_line.lastchar -= num;  in c_delbefore()
190 c_delbefore1(EditLine *el)  in c_delbefore1()  argument
194 	for (cp = el->el_line.cursor - 1; cp <= el->el_line.lastchar; cp++)  in c_delbefore1()
197 	el->el_line.lastchar--;  in c_delbefore1()
281 cv_next_word(EditLine *el, wchar_t *p, wchar_t *high, int n,  in cv_next_word()  argument
294 		if (n || el->el_chared.c_vcmd.action != (DELETE|INSERT))  in cv_next_word()
339 cv_delfini(EditLine *el)  in cv_delfini()  argument
342 	int action = el->el_chared.c_vcmd.action;  in cv_delfini()
345 		el->el_map.current = el->el_map.key;  in cv_delfini()
347 	if (el->el_chared.c_vcmd.pos == 0)  in cv_delfini()
351 	size = (int)(el->el_line.cursor - el->el_chared.c_vcmd.pos);  in cv_delfini()
354 	el->el_line.cursor = el->el_chared.c_vcmd.pos;  in cv_delfini()
357 			cv_yank(el, el->el_line.cursor, size);  in cv_delfini()
359 			cv_yank(el, el->el_line.cursor + size, -size);  in cv_delfini()
362 			c_delafter(el, size);  in cv_delfini()
363 			re_refresh_cursor(el);  in cv_delfini()
365 			c_delbefore(el, -size);  in cv_delfini()
366 			el->el_line.cursor += size;  in cv_delfini()
369 	el->el_chared.c_vcmd.action = NOP;  in cv_delfini()
399 ch_init(EditLine *el)  in ch_init()  argument
401 	el->el_line.buffer		= el_calloc(EL_BUFSIZ,  in ch_init()
402 	    sizeof(*el->el_line.buffer));  in ch_init()
403 	if (el->el_line.buffer == NULL)  in ch_init()
406 	el->el_line.cursor		= el->el_line.buffer;  in ch_init()
407 	el->el_line.lastchar		= el->el_line.buffer;  in ch_init()
408 	el->el_line.limit		= &el->el_line.buffer[EL_BUFSIZ - EL_LEAVE];  in ch_init()
410 	el->el_chared.c_undo.buf	= el_calloc(EL_BUFSIZ,  in ch_init()
411 	    sizeof(*el->el_chared.c_undo.buf));  in ch_init()
412 	if (el->el_chared.c_undo.buf == NULL)  in ch_init()
414 	el->el_chared.c_undo.len	= -1;  in ch_init()
415 	el->el_chared.c_undo.cursor	= 0;  in ch_init()
416 	el->el_chared.c_redo.buf	= el_calloc(EL_BUFSIZ,  in ch_init()
417 	    sizeof(*el->el_chared.c_redo.buf));  in ch_init()
418 	if (el->el_chared.c_redo.buf == NULL)  in ch_init()
420 	el->el_chared.c_redo.pos	= el->el_chared.c_redo.buf;  in ch_init()
421 	el->el_chared.c_redo.lim	= el->el_chared.c_redo.buf + EL_BUFSIZ;  in ch_init()
422 	el->el_chared.c_redo.cmd	= ED_UNASSIGNED;  in ch_init()
424 	el->el_chared.c_vcmd.action	= NOP;  in ch_init()
425 	el->el_chared.c_vcmd.pos	= el->el_line.buffer;  in ch_init()
427 	el->el_chared.c_kill.buf	= el_calloc(EL_BUFSIZ,  in ch_init()
428 	    sizeof(*el->el_chared.c_kill.buf));  in ch_init()
429 	if (el->el_chared.c_kill.buf == NULL)  in ch_init()
431 	el->el_chared.c_kill.mark	= el->el_line.buffer;  in ch_init()
432 	el->el_chared.c_kill.last	= el->el_chared.c_kill.buf;  in ch_init()
433 	el->el_chared.c_resizefun	= NULL;  in ch_init()
434 	el->el_chared.c_resizearg	= NULL;  in ch_init()
435 	el->el_chared.c_aliasfun	= NULL;  in ch_init()
436 	el->el_chared.c_aliasarg	= NULL;  in ch_init()
438 	el->el_map.current		= el->el_map.key;  in ch_init()
440 	el->el_state.inputmode		= MODE_INSERT; /* XXX: save a default */  in ch_init()
441 	el->el_state.doingarg		= 0;  in ch_init()
442 	el->el_state.metanext		= 0;  in ch_init()
443 	el->el_state.argument		= 1;  in ch_init()
444 	el->el_state.lastcmd		= ED_UNASSIGNED;  in ch_init()
448 	ch_end(el);  in ch_init()
456 ch_reset(EditLine *el)  in ch_reset()  argument
458 	el->el_line.cursor		= el->el_line.buffer;  in ch_reset()
459 	el->el_line.lastchar		= el->el_line.buffer;  in ch_reset()
461 	el->el_chared.c_undo.len	= -1;  in ch_reset()
462 	el->el_chared.c_undo.cursor	= 0;  in ch_reset()
464 	el->el_chared.c_vcmd.action	= NOP;  in ch_reset()
465 	el->el_chared.c_vcmd.pos	= el->el_line.buffer;  in ch_reset()
467 	el->el_chared.c_kill.mark	= el->el_line.buffer;  in ch_reset()
469 	el->el_map.current		= el->el_map.key;  in ch_reset()
471 	el->el_state.inputmode		= MODE_INSERT; /* XXX: save a default */  in ch_reset()
472 	el->el_state.doingarg		= 0;  in ch_reset()
473 	el->el_state.metanext		= 0;  in ch_reset()
474 	el->el_state.argument		= 1;  in ch_reset()
475 	el->el_state.lastcmd		= ED_UNASSIGNED;  in ch_reset()
477 	el->el_history.eventno		= 0;  in ch_reset()
485 ch_enlargebufs(EditLine *el, size_t addlen)  in ch_enlargebufs()  argument
490 	sz = (size_t)(el->el_line.limit - el->el_line.buffer + EL_LEAVE);  in ch_enlargebufs()
504 	newbuffer = el_realloc(el->el_line.buffer, newsz * sizeof(*newbuffer));  in ch_enlargebufs()
511 	oldbuf = el->el_line.buffer;  in ch_enlargebufs()
513 	el->el_line.buffer = newbuffer;  in ch_enlargebufs()
514 	el->el_line.cursor = newbuffer + (el->el_line.cursor - oldbuf);  in ch_enlargebufs()
515 	el->el_line.lastchar = newbuffer + (el->el_line.lastchar - oldbuf);  in ch_enlargebufs()
517 	el->el_line.limit  = &newbuffer[sz - EL_LEAVE];  in ch_enlargebufs()
522 	newbuffer = el_realloc(el->el_chared.c_kill.buf, newsz *  in ch_enlargebufs()
530 	oldkbuf = el->el_chared.c_kill.buf;  in ch_enlargebufs()
532 	el->el_chared.c_kill.buf = newbuffer;  in ch_enlargebufs()
533 	el->el_chared.c_kill.last = newbuffer +  in ch_enlargebufs()
534 					(el->el_chared.c_kill.last - oldkbuf);  in ch_enlargebufs()
535 	el->el_chared.c_kill.mark = el->el_line.buffer +  in ch_enlargebufs()
536 					(el->el_chared.c_kill.mark - oldbuf);  in ch_enlargebufs()
541 	newbuffer = el_realloc(el->el_chared.c_undo.buf,  in ch_enlargebufs()
548 	el->el_chared.c_undo.buf = newbuffer;  in ch_enlargebufs()
550 	newbuffer = el_realloc(el->el_chared.c_redo.buf,  in ch_enlargebufs()
554 	el->el_chared.c_redo.pos = newbuffer +  in ch_enlargebufs()
555 			(el->el_chared.c_redo.pos - el->el_chared.c_redo.buf);  in ch_enlargebufs()
556 	el->el_chared.c_redo.lim = newbuffer +  in ch_enlargebufs()
557 			(el->el_chared.c_redo.lim - el->el_chared.c_redo.buf);  in ch_enlargebufs()
558 	el->el_chared.c_redo.buf = newbuffer;  in ch_enlargebufs()
560 	if (!hist_enlargebuf(el, sz, newsz))  in ch_enlargebufs()
564 	el->el_line.limit  = &el->el_line.buffer[newsz - EL_LEAVE];  in ch_enlargebufs()
565 	if (el->el_chared.c_resizefun)  in ch_enlargebufs()
566 		(*el->el_chared.c_resizefun)(el, el->el_chared.c_resizearg);  in ch_enlargebufs()
574 ch_end(EditLine *el)  in ch_end()  argument
576 	el_free(el->el_line.buffer);  in ch_end()
577 	el->el_line.buffer = NULL;  in ch_end()
578 	el->el_line.limit = NULL;  in ch_end()
579 	el_free(el->el_chared.c_undo.buf);  in ch_end()
580 	el->el_chared.c_undo.buf = NULL;  in ch_end()
581 	el_free(el->el_chared.c_redo.buf);  in ch_end()
582 	el->el_chared.c_redo.buf = NULL;  in ch_end()
583 	el->el_chared.c_redo.pos = NULL;  in ch_end()
584 	el->el_chared.c_redo.lim = NULL;  in ch_end()
585 	el->el_chared.c_redo.cmd = ED_UNASSIGNED;  in ch_end()
586 	el_free(el->el_chared.c_kill.buf);  in ch_end()
587 	el->el_chared.c_kill.buf = NULL;  in ch_end()
588 	ch_reset(el);  in ch_end()
596 el_winsertstr(EditLine *el, const wchar_t *s)  in el_winsertstr()  argument
602 	if (el->el_line.lastchar + len >= el->el_line.limit) {  in el_winsertstr()
603 		if (!ch_enlargebufs(el, len))  in el_winsertstr()
607 	c_insert(el, (int)len);  in el_winsertstr()
609 		*el->el_line.cursor++ = *s++;  in el_winsertstr()
618 el_deletestr(EditLine *el, int n)  in el_deletestr()  argument
623 	if (el->el_line.cursor < &el->el_line.buffer[n])  in el_deletestr()
626 	c_delbefore(el, n);		/* delete before dot */  in el_deletestr()
627 	el->el_line.cursor -= n;  in el_deletestr()
628 	if (el->el_line.cursor < el->el_line.buffer)  in el_deletestr()
629 		el->el_line.cursor = el->el_line.buffer;  in el_deletestr()
636 el_deletestr1(EditLine *el, int start, int end)  in el_deletestr1()  argument
644 	line_length = (size_t)(el->el_line.lastchar - el->el_line.buffer);  in el_deletestr1()
653 	p1 = el->el_line.buffer + start;  in el_deletestr1()
654 	p2 = el->el_line.buffer + end;  in el_deletestr1()
657 		el->el_line.lastchar--;  in el_deletestr1()
660 	if (el->el_line.cursor < el->el_line.buffer)  in el_deletestr1()
661 		el->el_line.cursor = el->el_line.buffer;  in el_deletestr1()
670 el_wreplacestr(EditLine *el, const wchar_t *s)  in el_wreplacestr()  argument
678 	if (el->el_line.buffer + len >= el->el_line.limit) {  in el_wreplacestr()
679 		if (!ch_enlargebufs(el, len))  in el_wreplacestr()
683 	p = el->el_line.buffer;  in el_wreplacestr()
687 	el->el_line.buffer[len] = '\0';  in el_wreplacestr()
688 	el->el_line.lastchar = el->el_line.buffer + len;  in el_wreplacestr()
689 	if (el->el_line.cursor > el->el_line.lastchar)  in el_wreplacestr()
690 		el->el_line.cursor = el->el_line.lastchar;  in el_wreplacestr()
699 el_cursor(EditLine *el, int n)  in el_cursor()  argument
704 	el->el_line.cursor += n;  in el_cursor()
706 	if (el->el_line.cursor < el->el_line.buffer)  in el_cursor()
707 		el->el_line.cursor = el->el_line.buffer;  in el_cursor()
708 	if (el->el_line.cursor > el->el_line.lastchar)  in el_cursor()
709 		el->el_line.cursor = el->el_line.lastchar;  in el_cursor()
711 	return (int)(el->el_line.cursor - el->el_line.buffer);  in el_cursor()
718 c_gets(EditLine *el, wchar_t *buf, const wchar_t *prompt)  in c_gets()  argument
721 	wchar_t *cp = el->el_line.buffer, ch;  in c_gets()
731 		el->el_line.cursor = cp;  in c_gets()
733 		el->el_line.lastchar = cp + 1;  in c_gets()
734 		re_refresh(el);  in c_gets()
736 		if (el_wgetc(el, &ch) != 1) {  in c_gets()
737 			ed_end_of_file(el, 0);  in c_gets()
762 				terminal_beep(el);  in c_gets()
772 	el->el_line.buffer[0] = '\0';  in c_gets()
773 	el->el_line.lastchar = el->el_line.buffer;  in c_gets()
774 	el->el_line.cursor = el->el_line.buffer;  in c_gets()
783 c_hpos(EditLine *el)  in c_hpos()  argument
790 	if (el->el_line.cursor == el->el_line.buffer)  in c_hpos()
793 		for (ptr = el->el_line.cursor - 1;  in c_hpos()
794 		     ptr >= el->el_line.buffer && *ptr != '\n';  in c_hpos()
797 		return (int)(el->el_line.cursor - ptr - 1);  in c_hpos()
802 ch_resizefun(EditLine *el, el_zfunc_t f, void *a)  in ch_resizefun()  argument
804 	el->el_chared.c_resizefun = f;  in ch_resizefun()
805 	el->el_chared.c_resizearg = a;  in ch_resizefun()
810 ch_aliasfun(EditLine *el, el_afunc_t f, void *a)  in ch_aliasfun()  argument
812 	el->el_chared.c_aliasfun = f;  in ch_aliasfun()
813 	el->el_chared.c_aliasarg = a;  in ch_aliasfun()