Remove vendored libedit

1 files changed, 0 insertions, 1157 deletions

diff --git a/bin/1sh/libedit/vi.c b/bin/1sh/libedit/vi.c
deleted file mode 100644
index 0c37bfb9..00000000
--- a/bin/1sh/libedit/vi.c
+++ /dev/null
@@ -1,1157 +0,0 @@
-/*	$NetBSD: vi.c,v 1.62 2016/05/09 21:46:56 christos Exp $	*/
-
-/*-
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Christos Zoulas of Cornell University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "config.h"
-#if !defined(lint) && !defined(SCCSID)
-#if 0
-static char sccsid[] = "@(#)vi.c	8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: vi.c,v 1.62 2016/05/09 21:46:56 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-
-/*
- * vi.c: Vi mode commands.
- */
-#include <sys/wait.h>
-#include <ctype.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "el.h"
-#include "common.h"
-#include "emacs.h"
-#include "fcns.h"
-#include "vi.h"
-
-static el_action_t	cv_action(EditLine *, wint_t);
-static el_action_t	cv_paste(EditLine *, wint_t);
-
-/* cv_action():
- *	Handle vi actions.
- */
-static el_action_t
-cv_action(EditLine *el, wint_t c)
-{
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		/* 'cc', 'dd' and (possibly) friends */
-		if (c != (wint_t)el->el_chared.c_vcmd.action)
-			return CC_ERROR;
-
-		if (!(c & YANK))
-			cv_undo(el);
-		cv_yank(el, el->el_line.buffer,
-		    (int)(el->el_line.lastchar - el->el_line.buffer));
-		el->el_chared.c_vcmd.action = NOP;
-		el->el_chared.c_vcmd.pos = 0;
-		if (!(c & YANK)) {
-			el->el_line.lastchar = el->el_line.buffer;
-			el->el_line.cursor = el->el_line.buffer;
-		}
-		if (c & INSERT)
-			el->el_map.current = el->el_map.key;
-
-		return CC_REFRESH;
-	}
-	el->el_chared.c_vcmd.pos = el->el_line.cursor;
-	el->el_chared.c_vcmd.action = c;
-	return CC_ARGHACK;
-}
-
-/* cv_paste():
- *	Paste previous deletion before or after the cursor
- */
-static el_action_t
-cv_paste(EditLine *el, wint_t c)
-{
-	c_kill_t *k = &el->el_chared.c_kill;
-	size_t len = (size_t)(k->last - k->buf);
-
-	if (k->buf == NULL || len == 0)
-		return CC_ERROR;
-#ifdef DEBUG_PASTE
-	(void) fprintf(el->el_errfile, "Paste: \"%.*ls\"\n", (int)len,
-	    k->buf);
-#endif
-
-	cv_undo(el);
-
-	if (!c && el->el_line.cursor < el->el_line.lastchar)
-		el->el_line.cursor++;
-
-	c_insert(el, (int)len);
-	if (el->el_line.cursor + len > el->el_line.lastchar)
-		return CC_ERROR;
-	(void) memcpy(el->el_line.cursor, k->buf, len *
-	    sizeof(*el->el_line.cursor));
-
-	return CC_REFRESH;
-}
-
-
-/* vi_paste_next():
- *	Vi paste previous deletion to the right of the cursor
- *	[p]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_paste_next(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_paste(el, 0);
-}
-
-
-/* vi_paste_prev():
- *	Vi paste previous deletion to the left of the cursor
- *	[P]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_paste_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_paste(el, 1);
-}
-
-
-/* vi_prev_big_word():
- *	Vi move to the previous space delimited word
- *	[B]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_prev_big_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor == el->el_line.buffer)
-		return CC_ERROR;
-
-	el->el_line.cursor = cv_prev_word(el->el_line.cursor,
-	    el->el_line.buffer,
-	    el->el_state.argument,
-	    cv__isWord);
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}
-
-
-/* vi_prev_word():
- *	Vi move to the previous word
- *	[b]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_prev_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor == el->el_line.buffer)
-		return CC_ERROR;
-
-	el->el_line.cursor = cv_prev_word(el->el_line.cursor,
-	    el->el_line.buffer,
-	    el->el_state.argument,
-	    cv__isword);
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}
-
-
-/* vi_next_big_word():
- *	Vi move to the next space delimited word
- *	[W]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_next_big_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor >= el->el_line.lastchar - 1)
-		return CC_ERROR;
-
-	el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
-	    el->el_line.lastchar, el->el_state.argument, cv__isWord);
-
-	if (el->el_map.type == MAP_VI)
-		if (el->el_chared.c_vcmd.action != NOP) {
-			cv_delfini(el);
-			return CC_REFRESH;
-		}
-	return CC_CURSOR;
-}
-
-
-/* vi_next_word():
- *	Vi move to the next word
- *	[w]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_next_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor >= el->el_line.lastchar - 1)
-		return CC_ERROR;
-
-	el->el_line.cursor = cv_next_word(el, el->el_line.cursor,
-	    el->el_line.lastchar, el->el_state.argument, cv__isword);
-
-	if (el->el_map.type == MAP_VI)
-		if (el->el_chared.c_vcmd.action != NOP) {
-			cv_delfini(el);
-			return CC_REFRESH;
-		}
-	return CC_CURSOR;
-}
-
-
-/* vi_change_case():
- *	Vi change case of character under the cursor and advance one character
- *	[~]
- */
-libedit_private el_action_t
-vi_change_case(EditLine *el, wint_t c)
-{
-	int i;
-
-	if (el->el_line.cursor >= el->el_line.lastchar)
-		return CC_ERROR;
-	cv_undo(el);
-	for (i = 0; i < el->el_state.argument; i++) {
-
-		c = *el->el_line.cursor;
-		if (iswupper(c))
-			*el->el_line.cursor = towlower(c);
-		else if (iswlower(c))
-			*el->el_line.cursor = towupper(c);
-
-		if (++el->el_line.cursor >= el->el_line.lastchar) {
-			el->el_line.cursor--;
-			re_fastaddc(el);
-			break;
-		}
-		re_fastaddc(el);
-	}
-	return CC_NORM;
-}
-
-
-/* vi_change_meta():
- *	Vi change prefix command
- *	[c]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_change_meta(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	/*
-         * Delete with insert == change: first we delete and then we leave in
-         * insert mode.
-         */
-	return cv_action(el, DELETE | INSERT);
-}
-
-
-/* vi_insert_at_bol():
- *	Vi enter insert mode at the beginning of line
- *	[I]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_insert_at_bol(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	el->el_line.cursor = el->el_line.buffer;
-	cv_undo(el);
-	el->el_map.current = el->el_map.key;
-	return CC_CURSOR;
-}
-
-
-/* vi_replace_char():
- *	Vi replace character under the cursor with the next character typed
- *	[r]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_replace_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor >= el->el_line.lastchar)
-		return CC_ERROR;
-
-	el->el_map.current = el->el_map.key;
-	el->el_state.inputmode = MODE_REPLACE_1;
-	cv_undo(el);
-	return CC_ARGHACK;
-}
-
-
-/* vi_replace_mode():
- *	Vi enter replace mode
- *	[R]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_replace_mode(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	el->el_map.current = el->el_map.key;
-	el->el_state.inputmode = MODE_REPLACE;
-	cv_undo(el);
-	return CC_NORM;
-}
-
-
-/* vi_substitute_char():
- *	Vi replace character under the cursor and enter insert mode
- *	[s]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_substitute_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	c_delafter(el, el->el_state.argument);
-	el->el_map.current = el->el_map.key;
-	return CC_REFRESH;
-}
-
-
-/* vi_substitute_line():
- *	Vi substitute entire line
- *	[S]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_substitute_line(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	cv_undo(el);
-	cv_yank(el, el->el_line.buffer,
-	    (int)(el->el_line.lastchar - el->el_line.buffer));
-	(void) em_kill_line(el, 0);
-	el->el_map.current = el->el_map.key;
-	return CC_REFRESH;
-}
-
-
-/* vi_change_to_eol():
- *	Vi change to end of line
- *	[C]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_change_to_eol(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	cv_undo(el);
-	cv_yank(el, el->el_line.cursor,
-	    (int)(el->el_line.lastchar - el->el_line.cursor));
-	(void) ed_kill_line(el, 0);
-	el->el_map.current = el->el_map.key;
-	return CC_REFRESH;
-}
-
-
-/* vi_insert():
- *	Vi enter insert mode
- *	[i]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_insert(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	el->el_map.current = el->el_map.key;
-	cv_undo(el);
-	return CC_NORM;
-}
-
-
-/* vi_add():
- *	Vi enter insert mode after the cursor
- *	[a]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_add(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	int ret;
-
-	el->el_map.current = el->el_map.key;
-	if (el->el_line.cursor < el->el_line.lastchar) {
-		el->el_line.cursor++;
-		if (el->el_line.cursor > el->el_line.lastchar)
-			el->el_line.cursor = el->el_line.lastchar;
-		ret = CC_CURSOR;
-	} else
-		ret = CC_NORM;
-
-	cv_undo(el);
-
-	return (el_action_t)ret;
-}
-
-
-/* vi_add_at_eol():
- *	Vi enter insert mode at end of line
- *	[A]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_add_at_eol(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	el->el_map.current = el->el_map.key;
-	el->el_line.cursor = el->el_line.lastchar;
-	cv_undo(el);
-	return CC_CURSOR;
-}
-
-
-/* vi_delete_meta():
- *	Vi delete prefix command
- *	[d]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_delete_meta(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_action(el, DELETE);
-}
-
-
-/* vi_end_big_word():
- *	Vi move to the end of the current space delimited word
- *	[E]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_end_big_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor == el->el_line.lastchar)
-		return CC_ERROR;
-
-	el->el_line.cursor = cv__endword(el->el_line.cursor,
-	    el->el_line.lastchar, el->el_state.argument, cv__isWord);
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		el->el_line.cursor++;
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}
-
-
-/* vi_end_word():
- *	Vi move to the end of the current word
- *	[e]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_end_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor == el->el_line.lastchar)
-		return CC_ERROR;
-
-	el->el_line.cursor = cv__endword(el->el_line.cursor,
-	    el->el_line.lastchar, el->el_state.argument, cv__isword);
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		el->el_line.cursor++;
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}
-
-
-/* vi_undo():
- *	Vi undo last change
- *	[u]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_undo(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	c_undo_t un = el->el_chared.c_undo;
-
-	if (un.len == -1)
-		return CC_ERROR;
-
-	/* switch line buffer and undo buffer */
-	el->el_chared.c_undo.buf = el->el_line.buffer;
-	el->el_chared.c_undo.len = el->el_line.lastchar - el->el_line.buffer;
-	el->el_chared.c_undo.cursor =
-	    (int)(el->el_line.cursor - el->el_line.buffer);
-	el->el_line.limit = un.buf + (el->el_line.limit - el->el_line.buffer);
-	el->el_line.buffer = un.buf;
-	el->el_line.cursor = un.buf + un.cursor;
-	el->el_line.lastchar = un.buf + un.len;
-
-	return CC_REFRESH;
-}
-
-
-/* vi_command_mode():
- *	Vi enter command mode (use alternative key bindings)
- *	[<ESC>]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_command_mode(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	/* [Esc] cancels pending action */
-	el->el_chared.c_vcmd.action = NOP;
-	el->el_chared.c_vcmd.pos = 0;
-
-	el->el_state.doingarg = 0;
-
-	el->el_state.inputmode = MODE_INSERT;
-	el->el_map.current = el->el_map.alt;
-#ifdef VI_MOVE
-	if (el->el_line.cursor > el->el_line.buffer)
-		el->el_line.cursor--;
-#endif
-	return CC_CURSOR;
-}
-
-
-/* vi_zero():
- *	Vi move to the beginning of line
- *	[0]
- */
-libedit_private el_action_t
-vi_zero(EditLine *el, wint_t c)
-{
-
-	if (el->el_state.doingarg)
-		return ed_argument_digit(el, c);
-
-	el->el_line.cursor = el->el_line.buffer;
-	if (el->el_chared.c_vcmd.action != NOP) {
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}
-
-
-/* vi_delete_prev_char():
- *	Vi move to previous character (backspace)
- *	[^H] in insert mode only
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_delete_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_line.cursor <= el->el_line.buffer)
-		return CC_ERROR;
-
-	c_delbefore1(el);
-	el->el_line.cursor--;
-	return CC_REFRESH;
-}
-
-
-/* vi_list_or_eof():
- *	Vi list choices for completion or indicate end of file if empty line
- *	[^D]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_list_or_eof(EditLine *el, wint_t c)
-{
-
-	if (el->el_line.cursor == el->el_line.lastchar) {
-		if (el->el_line.cursor == el->el_line.buffer) {
-			terminal_writec(el, c);	/* then do a EOF */
-			return CC_EOF;
-		} else {
-			/*
-			 * Here we could list completions, but it is an
-			 * error right now
-			 */
-			terminal_beep(el);
-			return CC_ERROR;
-		}
-	} else {
-#ifdef notyet
-		re_goto_bottom(el);
-		*el->el_line.lastchar = '\0';	/* just in case */
-		return CC_LIST_CHOICES;
-#else
-		/*
-		 * Just complain for now.
-		 */
-		terminal_beep(el);
-		return CC_ERROR;
-#endif
-	}
-}
-
-
-/* vi_kill_line_prev():
- *	Vi cut from beginning of line to cursor
- *	[^U]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_kill_line_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	wchar_t *kp, *cp;
-
-	cp = el->el_line.buffer;
-	kp = el->el_chared.c_kill.buf;
-	while (cp < el->el_line.cursor)
-		*kp++ = *cp++;	/* copy it */
-	el->el_chared.c_kill.last = kp;
-	c_delbefore(el, (int)(el->el_line.cursor - el->el_line.buffer));
-	el->el_line.cursor = el->el_line.buffer;	/* zap! */
-	return CC_REFRESH;
-}
-
-
-/* vi_search_prev():
- *	Vi search history previous
- *	[?]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_search_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_search(el, ED_SEARCH_PREV_HISTORY);
-}
-
-
-/* vi_search_next():
- *	Vi search history next
- *	[/]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_search_next(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_search(el, ED_SEARCH_NEXT_HISTORY);
-}
-
-
-/* vi_repeat_search_next():
- *	Vi repeat current search in the same search direction
- *	[n]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_repeat_search_next(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_search.patlen == 0)
-		return CC_ERROR;
-	else
-		return cv_repeat_srch(el, el->el_search.patdir);
-}
-
-
-/* vi_repeat_search_prev():
- *	Vi repeat current search in the opposite search direction
- *	[N]
- */
-/*ARGSUSED*/
-libedit_private el_action_t
-vi_repeat_search_prev(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	if (el->el_search.patlen == 0)
-		return CC_ERROR;
-	else
-		return (cv_repeat_srch(el,
-		    el->el_search.patdir == ED_SEARCH_PREV_HISTORY ?
-		    ED_SEARCH_NEXT_HISTORY : ED_SEARCH_PREV_HISTORY));
-}
-
-
-/* vi_next_char():
- *	Vi move to the character specified next
- *	[f]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_next_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	return cv_csearch(el, CHAR_FWD, -1, el->el_state.argument, 0);
-}
-
-
-/* vi_prev_char():
- *	Vi move to the character specified previous
- *	[F]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	return cv_csearch(el, CHAR_BACK, -1, el->el_state.argument, 0);
-}
-
-
-/* vi_to_next_char():
- *	Vi move up to the character specified next
- *	[t]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_to_next_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	return cv_csearch(el, CHAR_FWD, -1, el->el_state.argument, 1);
-}
-
-
-/* vi_to_prev_char():
- *	Vi move up to the character specified previous
- *	[T]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_to_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	return cv_csearch(el, CHAR_BACK, -1, el->el_state.argument, 1);
-}
-
-
-/* vi_repeat_next_char():
- *	Vi repeat current character search in the same search direction
- *	[;]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_repeat_next_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_csearch(el, el->el_search.chadir, el->el_search.chacha,
-		el->el_state.argument, el->el_search.chatflg);
-}
-
-
-/* vi_repeat_prev_char():
- *	Vi repeat current character search in the opposite search direction
- *	[,]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_repeat_prev_char(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	el_action_t r;
-	int dir = el->el_search.chadir;
-
-	r = cv_csearch(el, -dir, el->el_search.chacha,
-		el->el_state.argument, el->el_search.chatflg);
-	el->el_search.chadir = dir;
-	return r;
-}
-
-
-/* vi_match():
- *	Vi go to matching () {} or []
- *	[%]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_match(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	const wchar_t match_chars[] = L"()[]{}";
-	wchar_t *cp;
-	size_t delta, i, count;
-	wchar_t o_ch, c_ch;
-
-	*el->el_line.lastchar = '\0';		/* just in case */
-
-	i = wcscspn(el->el_line.cursor, match_chars);
-	o_ch = el->el_line.cursor[i];
-	if (o_ch == 0)
-		return CC_ERROR;
-	delta = (size_t)(wcschr(match_chars, o_ch) - match_chars);
-	c_ch = match_chars[delta ^ 1];
-	count = 1;
-	delta = 1 - (delta & 1) * 2;
-
-	for (cp = &el->el_line.cursor[i]; count; ) {
-		cp += delta;
-		if (cp < el->el_line.buffer || cp >= el->el_line.lastchar)
-			return CC_ERROR;
-		if (*cp == o_ch)
-			count++;
-		else if (*cp == c_ch)
-			count--;
-	}
-
-	el->el_line.cursor = cp;
-
-	if (el->el_chared.c_vcmd.action != NOP) {
-		/* NB posix says char under cursor should NOT be deleted
-		   for -ve delta - this is different to netbsd vi. */
-		if (delta > 0)
-			el->el_line.cursor++;
-		cv_delfini(el);
-		return CC_REFRESH;
-	}
-	return CC_CURSOR;
-}
-
-/* vi_undo_line():
- *	Vi undo all changes to line
- *	[U]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_undo_line(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	cv_undo(el);
-	return hist_get(el);
-}
-
-/* vi_to_column():
- *	Vi go to specified column
- *	[|]
- * NB netbsd vi goes to screen column 'n', posix says nth character
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_to_column(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	el->el_line.cursor = el->el_line.buffer;
-	el->el_state.argument--;
-	return ed_next_char(el, 0);
-}
-
-/* vi_yank_end():
- *	Vi yank to end of line
- *	[Y]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_yank_end(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	cv_yank(el, el->el_line.cursor,
-	    (int)(el->el_line.lastchar - el->el_line.cursor));
-	return CC_REFRESH;
-}
-
-/* vi_yank():
- *	Vi yank
- *	[y]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_yank(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	return cv_action(el, YANK);
-}
-
-/* vi_comment_out():
- *	Vi comment out current command
- *	[#]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_comment_out(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-
-	el->el_line.cursor = el->el_line.buffer;
-	c_insert(el, 1);
-	*el->el_line.cursor = '#';
-	re_refresh(el);
-	return ed_newline(el, 0);
-}
-
-/* vi_alias():
- *	Vi include shell alias
- *	[@]
- * NB: posix implies that we should enter insert mode, however
- * this is against historical precedent...
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_alias(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	char alias_name[3];
-	const char *alias_text;
-
-	if (el->el_chared.c_aliasfun == NULL)
-		return CC_ERROR;
-
-	alias_name[0] = '_';
-	alias_name[2] = 0;
-	if (el_getc(el, &alias_name[1]) != 1)
-		return CC_ERROR;
-
-	alias_text = (*el->el_chared.c_aliasfun)(el->el_chared.c_aliasarg,
-	    alias_name);
-	if (alias_text != NULL)
-		el_wpush(el, ct_decode_string(alias_text, &el->el_scratch));
-	return CC_NORM;
-}
-
-/* vi_to_history_line():
- *	Vi go to specified history file line.
- *	[G]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_to_history_line(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	int sv_event_no = el->el_history.eventno;
-	el_action_t rval;
-
-
-	if (el->el_history.eventno == 0) {
-		 (void) wcsncpy(el->el_history.buf, el->el_line.buffer,
-		     EL_BUFSIZ);
-		 el->el_history.last = el->el_history.buf +
-			 (el->el_line.lastchar - el->el_line.buffer);
-	}
-
-	/* Lack of a 'count' means oldest, not 1 */
-	if (!el->el_state.doingarg) {
-		el->el_history.eventno = 0x7fffffff;
-		hist_get(el);
-	} else {
-		/* This is brain dead, all the rest of this code counts
-		 * upwards going into the past.  Here we need count in the
-		 * other direction (to match the output of fc -l).
-		 * I could change the world, but this seems to suffice.
-		 */
-		el->el_history.eventno = 1;
-		if (hist_get(el) == CC_ERROR)
-			return CC_ERROR;
-		el->el_history.eventno = 1 + el->el_history.ev.num
-					- el->el_state.argument;
-		if (el->el_history.eventno < 0) {
-			el->el_history.eventno = sv_event_no;
-			return CC_ERROR;
-		}
-	}
-	rval = hist_get(el);
-	if (rval == CC_ERROR)
-		el->el_history.eventno = sv_event_no;
-	return rval;
-}
-
-/* vi_histedit():
- *	Vi edit history line with vi
- *	[v]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_histedit(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	int fd;
-	pid_t pid;
-	ssize_t st;
-	int status;
-	char tempfile[] = "/tmp/histedit.XXXXXXXXXX";
-	char *cp = NULL;
-	size_t len;
-	wchar_t *line = NULL;
-
-	if (el->el_state.doingarg) {
-		if (vi_to_history_line(el, 0) == CC_ERROR)
-			return CC_ERROR;
-	}
-
-	fd = mkstemp(tempfile);
-	if (fd < 0)
-		return CC_ERROR;
-	len = (size_t)(el->el_line.lastchar - el->el_line.buffer);
-#define TMP_BUFSIZ (EL_BUFSIZ * MB_LEN_MAX)
-	cp = el_malloc(TMP_BUFSIZ * sizeof(*cp));
-	if (cp == NULL)
-		goto error;
-	line = el_malloc(len * sizeof(*line) + 1);
-	if (line == NULL)
-		goto error;
-	wcsncpy(line, el->el_line.buffer, len);
-	line[len] = '\0';
-	wcstombs(cp, line, TMP_BUFSIZ - 1);
-	cp[TMP_BUFSIZ - 1] = '\0';
-	len = strlen(cp);
-	write(fd, cp, len);
-	write(fd, "\n", (size_t)1);
-	pid = fork();
-	switch (pid) {
-	case -1:
-		goto error;
-	case 0:
-		close(fd);
-		execlp("vi", "vi", tempfile, (char *)NULL);
-		exit(0);
-		/*NOTREACHED*/
-	default:
-		while (waitpid(pid, &status, 0) != pid)
-			continue;
-		lseek(fd, (off_t)0, SEEK_SET);
-		st = read(fd, cp, TMP_BUFSIZ - 1);
-		if (st > 0) {
-			cp[st] = '\0';
-			len = (size_t)(el->el_line.limit - el->el_line.buffer);
-			len = mbstowcs(el->el_line.buffer, cp, len);
-			if (len > 0 && el->el_line.buffer[len - 1] == '\n')
-				--len;
-		}
-		else
-			len = 0;
-                el->el_line.cursor = el->el_line.buffer;
-                el->el_line.lastchar = el->el_line.buffer + len;
-		el_free(cp);
-                el_free(line);
-		break;
-	}
-
-	close(fd);
-	unlink(tempfile);
-	/* return CC_REFRESH; */
-	return ed_newline(el, 0);
-error:
-	el_free(line);
-	el_free(cp);
-	close(fd);
-	unlink(tempfile);
-	return CC_ERROR;
-}
-
-/* vi_history_word():
- *	Vi append word from previous input line
- *	[_]
- * Who knows where this one came from!
- * '_' in vi means 'entire current line', so 'cc' is a synonym for 'c_'
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_history_word(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	const wchar_t *wp = HIST_FIRST(el);
-	const wchar_t *wep, *wsp;
-	int len;
-	wchar_t *cp;
-	const wchar_t *lim;
-
-	if (wp == NULL)
-		return CC_ERROR;
-
-	wep = wsp = NULL;
-	do {
-		while (iswspace(*wp))
-			wp++;
-		if (*wp == 0)
-			break;
-		wsp = wp;
-		while (*wp && !iswspace(*wp))
-			wp++;
-		wep = wp;
-	} while ((!el->el_state.doingarg || --el->el_state.argument > 0)
-	    && *wp != 0);
-
-	if (wsp == NULL || (el->el_state.doingarg && el->el_state.argument != 0))
-		return CC_ERROR;
-
-	cv_undo(el);
-	len = (int)(wep - wsp);
-	if (el->el_line.cursor < el->el_line.lastchar)
-		el->el_line.cursor++;
-	c_insert(el, len + 1);
-	cp = el->el_line.cursor;
-	lim = el->el_line.limit;
-	if (cp < lim)
-		*cp++ = ' ';
-	while (wsp < wep && cp < lim)
-		*cp++ = *wsp++;
-	el->el_line.cursor = cp;
-
-	el->el_map.current = el->el_map.key;
-	return CC_REFRESH;
-}
-
-/* vi_redo():
- *	Vi redo last non-motion command
- *	[.]
- */
-libedit_private el_action_t
-/*ARGSUSED*/
-vi_redo(EditLine *el, wint_t c __attribute__((__unused__)))
-{
-	c_redo_t *r = &el->el_chared.c_redo;
-
-	if (!el->el_state.doingarg && r->count) {
-		el->el_state.doingarg = 1;
-		el->el_state.argument = r->count;
-	}
-
-	el->el_chared.c_vcmd.pos = el->el_line.cursor;
-	el->el_chared.c_vcmd.action = r->action;
-	if (r->pos != r->buf) {
-		if (r->pos + 1 > r->lim)
-			/* sanity */
-			r->pos = r->lim - 1;
-		r->pos[0] = 0;
-		el_wpush(el, r->buf);
-	}
-
-	el->el_state.thiscmd = r->cmd;
-	el->el_state.thisch = r->ch;
-	return (*el->el_map.func[r->cmd])(el, r->ch);
-}