Synchronize libedit with NetBSD and activate UTF-8 support [1]

Differences with NetBSD
Reapply our local patches on top of it
Fix Unicode environement detection
Fix reading a line in unicode environment.
It allows /bin/sh to works in UTF-8 envs

Differential Revision:	https://reviews.freebsd.org/D1455
Reviewed by:	jilles, pfg
Obtained from:	NetBSD [1]
MFC after:	1 month
Relnotes:	yes

1 files changed, 0 insertions, 83 deletions

diff --git a/lib/libedit/key.h b/lib/libedit/key.h
deleted file mode 100644
index 1997adc..0000000
--- a/lib/libedit/key.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*-
- * 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.
- *
- *	@(#)key.h	8.1 (Berkeley) 6/4/93
- *	$NetBSD: key.h,v 1.10 2006/03/23 20:22:51 christos Exp $
- * $FreeBSD$
- */
-
-/*
- * el.key.h: Key macro header
- */
-#ifndef _h_el_key
-#define	_h_el_key
-
-typedef union key_value_t {
-	el_action_t	 cmd;	/* If it is a command the #	*/
-	char		*str;	/* If it is a string...		*/
-} key_value_t;
-
-typedef struct key_node_t key_node_t;
-
-typedef struct el_key_t {
-	char		*buf;	/* Key print buffer		*/
-	key_node_t	*map;	/* Key map			*/
-	key_value_t	 val;	/* Local conversion buffer	*/
-} el_key_t;
-
-#define	XK_CMD	0
-#define	XK_STR	1
-#define	XK_NOD	2
-#define	XK_EXE	3
-
-#include <term.h>
-
-#undef key_end
-#undef key_clear
-#undef key_print
-
-protected int		 key_init(EditLine *);
-protected void		 key_end(EditLine *);
-protected key_value_t	*key_map_cmd(EditLine *, int);
-protected key_value_t	*key_map_str(EditLine *, char *);
-protected void		 key_reset(EditLine *);
-protected int		 key_get(EditLine *, char *, key_value_t *);
-protected void		 key_add(EditLine *, const char *, key_value_t *, int);
-protected void		 key_clear(EditLine *, el_action_t *, const char *);
-protected int		 key_delete(EditLine *, const char *);
-protected void		 key_print(EditLine *, const char *);
-protected void	         key_kprint(EditLine *, const char *, key_value_t *,
-    int);
-protected size_t	 key__decode_str(const char *, char *, size_t,
-    const char *);
-protected size_t	 key__decode_char(char *, size_t, size_t, int);
-
-#endif /* _h_el_key */