59 cv_undo(EditLine *el)  in cv_undo()  argument
61 	c_undo_t *vu = &el->el_chared.c_undo;  in cv_undo()
62 	c_redo_t *r = &el->el_chared.c_redo;  in cv_undo()
66 	size = (size_t)(el->el_line.lastchar - el->el_line.buffer);  in cv_undo()
68 	vu->cursor = (int)(el->el_line.cursor - el->el_line.buffer);  in cv_undo()
69 	(void)memcpy(vu->buf, el->el_line.buffer, size * sizeof(*vu->buf));  in cv_undo()
72 	r->count = el->el_state.doingarg ? el->el_state.argument : 0;  in cv_undo()
73 	r->action = el->el_chared.c_vcmd.action;  in cv_undo()
75 	r->cmd = el->el_state.thiscmd;  in cv_undo()
76 	r->ch = el->el_state.thisch;  in cv_undo()
83 cv_yank(EditLine *el, const Char *ptr, int size)  in cv_yank()  argument
85 	c_kill_t *k = &el->el_chared.c_kill;  in cv_yank()
96 c_insert(EditLine *el, int num)  in c_insert()  argument
100 	if (el->el_line.lastchar + num >= el->el_line.limit) {  in c_insert()
101 		if (!ch_enlargebufs(el, (size_t)num))  in c_insert()
105 	if (el->el_line.cursor < el->el_line.lastchar) {  in c_insert()
107 		for (cp = el->el_line.lastchar; cp >= el->el_line.cursor; cp--)  in c_insert()
110 	el->el_line.lastchar += num;  in c_insert()
118 c_delafter(EditLine *el, int num)  in c_delafter()  argument
121 	if (el->el_line.cursor + num > el->el_line.lastchar)  in c_delafter()
122 		num = (int)(el->el_line.lastchar - el->el_line.cursor);  in c_delafter()
124 	if (el->el_map.current != el->el_map.emacs) {  in c_delafter()
125 		cv_undo(el);  in c_delafter()
126 		cv_yank(el, el->el_line.cursor, num);  in c_delafter()
132 		for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)  in c_delafter()
135 		el->el_line.lastchar -= num;  in c_delafter()
144 c_delafter1(EditLine *el)  in c_delafter1()  argument
148 	for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)  in c_delafter1()
151 	el->el_line.lastchar--;  in c_delafter1()
159 c_delbefore(EditLine *el, int num)  in c_delbefore()  argument
162 	if (el->el_line.cursor - num < el->el_line.buffer)  in c_delbefore()
163 		num = (int)(el->el_line.cursor - el->el_line.buffer);  in c_delbefore()
165 	if (el->el_map.current != el->el_map.emacs) {  in c_delbefore()
166 		cv_undo(el);  in c_delbefore()
167 		cv_yank(el, el->el_line.cursor - num, num);  in c_delbefore()
173 		for (cp = el->el_line.cursor - num;  in c_delbefore()
174 		    cp <= el->el_line.lastchar;  in c_delbefore()
178 		el->el_line.lastchar -= num;  in c_delbefore()
187 c_delbefore1(EditLine *el)  in c_delbefore1()  argument
191 	for (cp = el->el_line.cursor - 1; cp <= el->el_line.lastchar; cp++)  in c_delbefore1()
194 	el->el_line.lastchar--;  in c_delbefore1()
278 cv_next_word(EditLine *el, Char *p, Char *high, int n, int (*wtest)(Int))  in cv_next_word()  argument
290 		if (n || el->el_chared.c_vcmd.action != (DELETE|INSERT))  in cv_next_word()
333 cv_delfini(EditLine *el)  in cv_delfini()  argument
336 	int action = el->el_chared.c_vcmd.action;  in cv_delfini()
339 		el->el_map.current = el->el_map.key;  in cv_delfini()
341 	if (el->el_chared.c_vcmd.pos == 0)  in cv_delfini()
345 	size = (int)(el->el_line.cursor - el->el_chared.c_vcmd.pos);  in cv_delfini()
348 	el->el_line.cursor = el->el_chared.c_vcmd.pos;  in cv_delfini()
351 			cv_yank(el, el->el_line.cursor, size);  in cv_delfini()
353 			cv_yank(el, el->el_line.cursor + size, -size);  in cv_delfini()
356 			c_delafter(el, size);  in cv_delfini()
357 			re_refresh_cursor(el);  in cv_delfini()
359 			c_delbefore(el, -size);  in cv_delfini()
360 			el->el_line.cursor += size;  in cv_delfini()
363 	el->el_chared.c_vcmd.action = NOP;  in cv_delfini()
393 ch_init(EditLine *el)  in ch_init()  argument
395 	c_macro_t *ma = &el->el_chared.c_macro;  in ch_init()
397 	el->el_line.buffer		= el_malloc(EL_BUFSIZ *  in ch_init()
398 	    sizeof(*el->el_line.buffer));  in ch_init()
399 	if (el->el_line.buffer == NULL)  in ch_init()
402 	(void) memset(el->el_line.buffer, 0, EL_BUFSIZ *  in ch_init()
403 	    sizeof(*el->el_line.buffer));  in ch_init()
404 	el->el_line.cursor		= el->el_line.buffer;  in ch_init()
405 	el->el_line.lastchar		= el->el_line.buffer;  in ch_init()
406 	el->el_line.limit		= &el->el_line.buffer[EL_BUFSIZ - EL_LEAVE];  in ch_init()
408 	el->el_chared.c_undo.buf	= el_malloc(EL_BUFSIZ *  in ch_init()
409 	    sizeof(*el->el_chared.c_undo.buf));  in ch_init()
410 	if (el->el_chared.c_undo.buf == NULL)  in ch_init()
412 	(void) memset(el->el_chared.c_undo.buf, 0, EL_BUFSIZ *  in ch_init()
413 	    sizeof(*el->el_chared.c_undo.buf));  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_malloc(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_malloc(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 	(void) memset(el->el_chared.c_kill.buf, 0, EL_BUFSIZ *  in ch_init()
432 	    sizeof(*el->el_chared.c_kill.buf));  in ch_init()
433 	el->el_chared.c_kill.mark	= el->el_line.buffer;  in ch_init()
434 	el->el_chared.c_kill.last	= el->el_chared.c_kill.buf;  in ch_init()
435 	el->el_chared.c_resizefun	= NULL;  in ch_init()
436 	el->el_chared.c_resizearg	= 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()
458 ch_reset(EditLine *el, int mclear)  in ch_reset()  argument
460 	el->el_line.cursor		= el->el_line.buffer;  in ch_reset()
461 	el->el_line.lastchar		= el->el_line.buffer;  in ch_reset()
463 	el->el_chared.c_undo.len	= -1;  in ch_reset()
464 	el->el_chared.c_undo.cursor	= 0;  in ch_reset()
466 	el->el_chared.c_vcmd.action	= NOP;  in ch_reset()
467 	el->el_chared.c_vcmd.pos	= el->el_line.buffer;  in ch_reset()
469 	el->el_chared.c_kill.mark	= el->el_line.buffer;  in ch_reset()
471 	el->el_map.current		= el->el_map.key;  in ch_reset()
473 	el->el_state.inputmode		= MODE_INSERT; /* XXX: save a default */  in ch_reset()
474 	el->el_state.doingarg		= 0;  in ch_reset()
475 	el->el_state.metanext		= 0;  in ch_reset()
476 	el->el_state.argument		= 1;  in ch_reset()
477 	el->el_state.lastcmd		= ED_UNASSIGNED;  in ch_reset()
479 	el->el_history.eventno		= 0;  in ch_reset()
482 		ch__clearmacro(el);  in ch_reset()
486 ch__clearmacro(EditLine *el)  in ch__clearmacro()  argument
488 	c_macro_t *ma = &el->el_chared.c_macro;  in ch__clearmacro()
498 ch_enlargebufs(EditLine *el, size_t addlen)  in ch_enlargebufs()  argument
503 	sz = (size_t)(el->el_line.limit - el->el_line.buffer + EL_LEAVE);  in ch_enlargebufs()
517 	newbuffer = el_realloc(el->el_line.buffer, newsz * sizeof(*newbuffer));  in ch_enlargebufs()
524 	oldbuf = el->el_line.buffer;  in ch_enlargebufs()
526 	el->el_line.buffer = newbuffer;  in ch_enlargebufs()
527 	el->el_line.cursor = newbuffer + (el->el_line.cursor - oldbuf);  in ch_enlargebufs()
528 	el->el_line.lastchar = newbuffer + (el->el_line.lastchar - oldbuf);  in ch_enlargebufs()
530 	el->el_line.limit  = &newbuffer[sz - EL_LEAVE];  in ch_enlargebufs()
535 	newbuffer = el_realloc(el->el_chared.c_kill.buf, newsz *  in ch_enlargebufs()
543 	oldkbuf = el->el_chared.c_kill.buf;  in ch_enlargebufs()
545 	el->el_chared.c_kill.buf = newbuffer;  in ch_enlargebufs()
546 	el->el_chared.c_kill.last = newbuffer +  in ch_enlargebufs()
547 					(el->el_chared.c_kill.last - oldkbuf);  in ch_enlargebufs()
548 	el->el_chared.c_kill.mark = el->el_line.buffer +  in ch_enlargebufs()
549 					(el->el_chared.c_kill.mark - oldbuf);  in ch_enlargebufs()
554 	newbuffer = el_realloc(el->el_chared.c_undo.buf,  in ch_enlargebufs()
561 	el->el_chared.c_undo.buf = newbuffer;  in ch_enlargebufs()
563 	newbuffer = el_realloc(el->el_chared.c_redo.buf,  in ch_enlargebufs()
567 	el->el_chared.c_redo.pos = newbuffer +  in ch_enlargebufs()
568 			(el->el_chared.c_redo.pos - el->el_chared.c_redo.buf);  in ch_enlargebufs()
569 	el->el_chared.c_redo.lim = newbuffer +  in ch_enlargebufs()
570 			(el->el_chared.c_redo.lim - el->el_chared.c_redo.buf);  in ch_enlargebufs()
571 	el->el_chared.c_redo.buf = newbuffer;  in ch_enlargebufs()
573 	if (!hist_enlargebuf(el, sz, newsz))  in ch_enlargebufs()
577 	el->el_line.limit  = &el->el_line.buffer[newsz - EL_LEAVE];  in ch_enlargebufs()
578 	if (el->el_chared.c_resizefun)  in ch_enlargebufs()
579 		(*el->el_chared.c_resizefun)(el, el->el_chared.c_resizearg);  in ch_enlargebufs()
587 ch_end(EditLine *el)  in ch_end()  argument
589 	el_free(el->el_line.buffer);  in ch_end()
590 	el->el_line.buffer = NULL;  in ch_end()
591 	el->el_line.limit = NULL;  in ch_end()
592 	el_free(el->el_chared.c_undo.buf);  in ch_end()
593 	el->el_chared.c_undo.buf = NULL;  in ch_end()
594 	el_free(el->el_chared.c_redo.buf);  in ch_end()
595 	el->el_chared.c_redo.buf = NULL;  in ch_end()
596 	el->el_chared.c_redo.pos = NULL;  in ch_end()
597 	el->el_chared.c_redo.lim = NULL;  in ch_end()
598 	el->el_chared.c_redo.cmd = ED_UNASSIGNED;  in ch_end()
599 	el_free(el->el_chared.c_kill.buf);  in ch_end()
600 	el->el_chared.c_kill.buf = NULL;  in ch_end()
601 	ch_reset(el, 1);  in ch_end()
602 	el_free(el->el_chared.c_macro.macro);  in ch_end()
603 	el->el_chared.c_macro.macro = NULL;  in ch_end()
611 FUN(el,insertstr)(EditLine *el, const Char *s)  in FUN()  argument
617 	if (el->el_line.lastchar + len >= el->el_line.limit) {  in FUN()
618 		if (!ch_enlargebufs(el, len))  in FUN()
622 	c_insert(el, (int)len);  in FUN()
624 		*el->el_line.cursor++ = *s++;  in FUN()
633 el_deletestr(EditLine *el, int n)  in el_deletestr()  argument
638 	if (el->el_line.cursor < &el->el_line.buffer[n])  in el_deletestr()
641 	c_delbefore(el, n);		/* delete before dot */  in el_deletestr()
642 	el->el_line.cursor -= n;  in el_deletestr()
643 	if (el->el_line.cursor < el->el_line.buffer)  in el_deletestr()
644 		el->el_line.cursor = el->el_line.buffer;  in el_deletestr()
651 el_cursor(EditLine *el, int n)  in el_cursor()  argument
656 	el->el_line.cursor += n;  in el_cursor()
658 	if (el->el_line.cursor < el->el_line.buffer)  in el_cursor()
659 		el->el_line.cursor = el->el_line.buffer;  in el_cursor()
660 	if (el->el_line.cursor > el->el_line.lastchar)  in el_cursor()
661 		el->el_line.cursor = el->el_line.lastchar;  in el_cursor()
663 	return el->el_line.cursor - el->el_line.buffer;  in el_cursor()
670 c_gets(EditLine *el, Char *buf, const Char *prompt)  in c_gets()  argument
674 	Char *cp = el->el_line.buffer;  in c_gets()
684 		el->el_line.cursor = cp;  in c_gets()
686 		el->el_line.lastchar = cp + 1;  in c_gets()
687 		re_refresh(el);  in c_gets()
689 		if (FUN(el,getc)(el, &ch) != 1) {  in c_gets()
690 			ed_end_of_file(el, 0);  in c_gets()
714 				terminal_beep(el);  in c_gets()
724 	el->el_line.buffer[0] = '\0';  in c_gets()
725 	el->el_line.lastchar = el->el_line.buffer;  in c_gets()
726 	el->el_line.cursor = el->el_line.buffer;  in c_gets()
735 c_hpos(EditLine *el)  in c_hpos()  argument
742 	if (el->el_line.cursor == el->el_line.buffer)  in c_hpos()
745 		for (ptr = el->el_line.cursor - 1;  in c_hpos()
746 		     ptr >= el->el_line.buffer && *ptr != '\n';  in c_hpos()
749 		return (int)(el->el_line.cursor - ptr - 1);  in c_hpos()
754 ch_resizefun(EditLine *el, el_zfunc_t f, void *a)  in ch_resizefun()  argument
756 	el->el_chared.c_resizefun = f;  in ch_resizefun()
757 	el->el_chared.c_resizearg = a;  in ch_resizefun()