From a0c9eb18debe82e3cbe370d5e1a639a09cbac2e9 Mon Sep 17 00:00:00 2001
From: John Marino <draco@marino.st>
Date: Wed, 4 Nov 2015 00:23:15 +0100
Subject: [PATCH] Update libedit from version 2014-06-20 to 2015-03-25 on
 vendor branch

---
 contrib/libedit/src/chartype.c     | 100 ++++++++++++++++-------------
 contrib/libedit/src/chartype.h     |  10 +--
 contrib/libedit/src/eln.c          |  10 +--
 contrib/libedit/src/filecomplete.c |   8 +--
 contrib/libedit/src/map.c          |   6 +-
 contrib/libedit/src/map.h          |   4 +-
 contrib/libedit/src/parse.c        |  13 ++--
 contrib/libedit/src/read.c         |   6 +-
 contrib/libedit/src/readline.c     |  43 +++++++++++--
 contrib/libedit/src/unvis.c        |  10 ++-
 contrib/libedit/src/vis.c          |  63 ++++++++++++------
 contrib/libedit/src/vis.h          |   4 +-
 12 files changed, 178 insertions(+), 99 deletions(-)

diff --git a/contrib/libedit/src/chartype.c b/contrib/libedit/src/chartype.c
index 8766aacada..b780bb1c3c 100644
--- a/contrib/libedit/src/chartype.c
+++ b/contrib/libedit/src/chartype.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: chartype.c,v 1.10 2011/08/16 16:25:15 christos Exp $	*/
+/*	$NetBSD: chartype.c,v 1.12 2015/02/22 02:16:19 christos Exp $	*/
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 #include "config.h"
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: chartype.c,v 1.10 2011/08/16 16:25:15 christos Exp $");
+__RCSID("$NetBSD: chartype.c,v 1.12 2015/02/22 02:16:19 christos Exp $");
 #endif /* not lint && not SCCSID */
 #include "el.h"
 #include <stdlib.h>
@@ -46,31 +46,46 @@ __RCSID("$NetBSD: chartype.c,v 1.10 2011/08/16 16:25:15 christos Exp $");
 #define CT_BUFSIZ ((size_t)1024)
 
 #ifdef WIDECHAR
-protected void
-ct_conv_buff_resize(ct_buffer_t *conv, size_t mincsize, size_t minwsize)
+protected int
+ct_conv_cbuff_resize(ct_buffer_t *conv, size_t csize)
 {
 	void *p;
-	if (mincsize > conv->csize) {
-		conv->csize = mincsize;
-		p = el_realloc(conv->cbuff, conv->csize * sizeof(*conv->cbuff));
-		if (p == NULL) {
-			conv->csize = 0;
-			el_free(conv->cbuff);
-			conv->cbuff = NULL;
-		} else 
-			conv->cbuff = p;
+
+	if (csize <= conv->csize)
+		return 0;
+
+	conv->csize = csize;
+
+	p = el_realloc(conv->cbuff, conv->csize * sizeof(*conv->cbuff));
+	if (p == NULL) {
+		conv->csize = 0;
+		el_free(conv->cbuff);
+		conv->cbuff = NULL;
+		return -1;
 	}
+	conv->cbuff = p;
+	return 0;
+}
 
-	if (minwsize > conv->wsize) {
-		conv->wsize = minwsize;
-		p = el_realloc(conv->wbuff, conv->wsize * sizeof(*conv->wbuff));
-		if (p == NULL) {
-			conv->wsize = 0;
-			el_free(conv->wbuff);
-			conv->wbuff = NULL;
-		} else
-			conv->wbuff = p;
+protected int
+ct_conv_wbuff_resize(ct_buffer_t *conv, size_t wsize)
+{
+	void *p;
+
+	if (wsize <= conv->wsize) 
+		return 0;
+
+	conv->wsize = wsize;
+
+	p = el_realloc(conv->wbuff, conv->wsize * sizeof(*conv->wbuff));
+	if (p == NULL) {
+		conv->wsize = 0;
+		el_free(conv->wbuff);
+		conv->wbuff = NULL;
+		return -1;
 	}
+	conv->wbuff = p;
+	return 0;
 }
 
 
@@ -78,26 +93,22 @@ public char *
 ct_encode_string(const Char *s, ct_buffer_t *conv)
 {
 	char *dst;
-	ssize_t used = 0;
+	ssize_t used;
 
 	if (!s)
 		return NULL;
-	if (!conv->cbuff)
-		ct_conv_buff_resize(conv, CT_BUFSIZ, (size_t)0);
-	if (!conv->cbuff)
-		return NULL;
 
 	dst = conv->cbuff;
-	while (*s) {
-		used = (ssize_t)(conv->csize - (size_t)(dst - conv->cbuff));
-		if (used < 5) {
-			used = dst - conv->cbuff;
-			ct_conv_buff_resize(conv, conv->csize + CT_BUFSIZ,
-			    (size_t)0);
-			if (!conv->cbuff)
+	for (;;) {
+		used = (ssize_t)(dst - conv->cbuff);
+		if ((conv->csize - (size_t)used) < 5) {
+			if (ct_conv_cbuff_resize(conv,
+			    conv->csize + CT_BUFSIZ) == -1)
 				return NULL;
 			dst = conv->cbuff + used;
 		}
+		if (!*s)
+			break;
 		used = ct_encode_char(dst, (size_t)5, *s);
 		if (used == -1) /* failed to encode, need more buffer space */
 			abort();
@@ -111,22 +122,19 @@ ct_encode_string(const Char *s, ct_buffer_t *conv)
 public Char *
 ct_decode_string(const char *s, ct_buffer_t *conv)
 {
-	size_t len = 0;
+	size_t len;
 
 	if (!s)
 		return NULL;
-	if (!conv->wbuff)
-		ct_conv_buff_resize(conv, (size_t)0, CT_BUFSIZ);
-	if (!conv->wbuff)
-		return NULL;
 
 	len = ct_mbstowcs(NULL, s, (size_t)0);
 	if (len == (size_t)-1)
 		return NULL;
-	if (len > conv->wsize)
-		ct_conv_buff_resize(conv, (size_t)0, len + 1);
-	if (!conv->wbuff)
-		return NULL;
+
+	if (conv->wsize < ++len)
+		if (ct_conv_wbuff_resize(conv, len + CT_BUFSIZ) == -1)
+			return NULL;
+
 	ct_mbstowcs(conv->wbuff, s, conv->wsize);
 	return conv->wbuff;
 }
@@ -145,9 +153,9 @@ ct_decode_argv(int argc, const char *argv[], ct_buffer_t *conv)
 	 * the argv strings. */
 	for (i = 0, bufspace = 0; i < argc; ++i)
 		bufspace += argv[i] ? strlen(argv[i]) + 1 : 0;
-	ct_conv_buff_resize(conv, (size_t)0, bufspace);
-	if (!conv->wsize)
-		return NULL;
+	if (conv->wsize < ++bufspace)
+		if (ct_conv_wbuff_resize(conv, bufspace + CT_BUFSIZ) == -1)
+			return NULL;
 
 	wargv = el_malloc((size_t)argc * sizeof(*wargv));
 
diff --git a/contrib/libedit/src/chartype.h b/contrib/libedit/src/chartype.h
index 12fa9ac1f7..0beee17cd2 100644
--- a/contrib/libedit/src/chartype.h
+++ b/contrib/libedit/src/chartype.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: chartype.h,v 1.10 2011/11/16 01:45:10 christos Exp $	*/
+/*	$NetBSD: chartype.h,v 1.13 2015/02/22 02:16:19 christos Exp $	*/
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -44,7 +44,7 @@
  * supports non-BMP code points without requiring UTF-16, but nothing
  * seems to actually advertise this properly, despite Unicode 3.1 having
  * been around since 2001... */
-#if !defined(__NetBSD__) && !defined(__sun) && !(defined(__APPLE__) && defined(__MACH__))
+#if !defined(__NetBSD__) && !defined(__sun) && !(defined(__APPLE__) && defined(__MACH__)) && !defined(__OpenBSD__)
 #ifndef __STDC_ISO_10646__
 /* In many places it is assumed that the first 127 code points are ASCII
  * compatible, so ensure wchar_t indeed does ISO 10646 and not some other
@@ -193,7 +193,8 @@ public Char *ct_decode_string(const char *, ct_buffer_t *);
 protected Char **ct_decode_argv(int, const char *[],  ct_buffer_t *);
 
 /* Resizes the conversion buffer(s) if needed. */
-protected void ct_conv_buff_resize(ct_buffer_t *, size_t, size_t);
+protected int ct_conv_cbuff_resize(ct_buffer_t *, size_t);
+protected int ct_conv_wbuff_resize(ct_buffer_t *, size_t);
 protected ssize_t ct_encode_char(char *, size_t, Char);
 protected size_t ct_enc_width(Char);
 
@@ -203,7 +204,8 @@ protected size_t ct_enc_width(Char);
 #define	ct_encode_string(s, b)	(s)
 #define ct_decode_string(s, b)	(s)
 #define ct_decode_argv(l, s, b)	(s)
-#define ct_conv_buff_resize(b, os, ns)
+#define ct_conv_cbuff_resize(b, s) ((s) == (0))
+#define ct_conv_wbuff_resize(b, s) ((s) == (0))
 #define ct_encode_char(d, l, s)	(*d = s, 1)
 #define ct_free_argv(s)
 #endif
diff --git a/contrib/libedit/src/eln.c b/contrib/libedit/src/eln.c
index 5bcfb4f2b3..0e74996f52 100644
--- a/contrib/libedit/src/eln.c
+++ b/contrib/libedit/src/eln.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: eln.c,v 1.17 2014/06/18 18:12:28 christos Exp $	*/
+/*	$NetBSD: eln.c,v 1.18 2015/03/24 21:26:50 christos Exp $	*/
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 #include "config.h"
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: eln.c,v 1.17 2014/06/18 18:12:28 christos Exp $");
+__RCSID("$NetBSD: eln.c,v 1.18 2015/03/24 21:26:50 christos Exp $");
 #endif /* not lint && not SCCSID */
 
 #include "histedit.h"
@@ -76,9 +76,11 @@ el_gets(EditLine *el, int *nread)
 {
 	const wchar_t *tmp;
 
-	el->el_flags |= IGNORE_EXTCHARS;
+	if (!(el->el_flags & CHARSET_IS_UTF8))
+		el->el_flags |= IGNORE_EXTCHARS;
 	tmp = el_wgets(el, nread);
-	el->el_flags &= ~IGNORE_EXTCHARS;
+	if (!(el->el_flags & CHARSET_IS_UTF8))
+		el->el_flags &= ~IGNORE_EXTCHARS;
 	return ct_encode_string(tmp, &el->el_lgcyconv);
 }
 
diff --git a/contrib/libedit/src/filecomplete.c b/contrib/libedit/src/filecomplete.c
index ab74a4b58c..438de4ea9a 100644
--- a/contrib/libedit/src/filecomplete.c
+++ b/contrib/libedit/src/filecomplete.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: filecomplete.c,v 1.32 2014/06/05 22:07:42 christos Exp $	*/
+/*	$NetBSD: filecomplete.c,v 1.34 2014/10/18 15:07:02 riz Exp $	*/
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 #include "config.h"
 
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: filecomplete.c,v 1.32 2014/06/05 22:07:42 christos Exp $");
+__RCSID("$NetBSD: filecomplete.c,v 1.34 2014/10/18 15:07:02 riz Exp $");
 #endif /* not lint && not SCCSID */
 
 #include <sys/types.h>
@@ -66,7 +66,7 @@ static const Char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@',
  * if ``user'' isn't valid user name or ``txt'' doesn't start
  * w/ '~', returns pointer to strdup()ed copy of ``txt''
  *
- * it's callers's responsibility to free() returned string
+ * it's the caller's responsibility to free() the returned string
  */
 char *
 fn_tilde_expand(const char *txt)
@@ -139,7 +139,7 @@ fn_tilde_expand(const char *txt)
  * such file can be found
  * value of ``state'' is ignored
  *
- * it's caller's responsibility to free returned string
+ * it's the caller's responsibility to free the returned string
  */
 char *
 fn_filename_completion_function(const char *text, int state)
diff --git a/contrib/libedit/src/map.c b/contrib/libedit/src/map.c
index b3e11ba66b..79f793cb66 100644
--- a/contrib/libedit/src/map.c
+++ b/contrib/libedit/src/map.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: map.c,v 1.33 2013/01/01 15:34:02 christos Exp $	*/
+/*	$NetBSD: map.c,v 1.34 2014/07/06 18:15:34 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)map.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: map.c,v 1.33 2013/01/01 15:34:02 christos Exp $");
+__RCSID("$NetBSD: map.c,v 1.34 2014/07/06 18:15:34 christos Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -1396,7 +1396,7 @@ protected int
 map_addfunc(EditLine *el, const Char *name, const Char *help, el_func_t func)
 {
 	void *p;
-	size_t nf = (size_t)el->el_map.nfunc + 1;
+	size_t nf = el->el_map.nfunc + 1;
 
 	if (name == NULL || help == NULL || func == NULL)
 		return -1;
diff --git a/contrib/libedit/src/map.h b/contrib/libedit/src/map.h
index 8e0c7e4eaa..f01b58b818 100644
--- a/contrib/libedit/src/map.h
+++ b/contrib/libedit/src/map.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: map.h,v 1.9 2009/12/30 22:37:40 christos Exp $	*/
+/*	$NetBSD: map.h,v 1.10 2014/07/06 18:15:34 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -57,7 +57,7 @@ typedef struct el_map_t {
 	int		 type;		/* Emacs or vi			*/
 	el_bindings_t	*help;		/* The help for the editor functions */
 	el_func_t	*func;		/* List of available functions	*/
-	int		 nfunc;		/* The number of functions/help items */
+	size_t		 nfunc;		/* The number of functions/help items */
 } el_map_t;
 
 #define	MAP_EMACS	0
diff --git a/contrib/libedit/src/parse.c b/contrib/libedit/src/parse.c
index f1c4391a2f..47d6f7d9b9 100644
--- a/contrib/libedit/src/parse.c
+++ b/contrib/libedit/src/parse.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: parse.c,v 1.26 2011/08/16 16:25:15 christos Exp $	*/
+/*	$NetBSD: parse.c,v 1.27 2014/07/06 18:15:34 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)parse.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: parse.c,v 1.26 2011/08/16 16:25:15 christos Exp $");
+__RCSID("$NetBSD: parse.c,v 1.27 2014/07/06 18:15:34 christos Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -276,10 +276,11 @@ parse__string(Char *out, const Char *in)
 protected int
 parse_cmd(EditLine *el, const Char *cmd)
 {
-	el_bindings_t *b;
+	el_bindings_t *b = el->el_map.help;
+	size_t i;
 
-	for (b = el->el_map.help; b->name != NULL; b++)
-		if (Strcmp(b->name, cmd) == 0)
-			return b->func;
+	for (i = 0; i < el->el_map.nfunc; i++)
+		if (Strcmp(b[i].name, cmd) == 0)
+			return b[i].func;
 	return -1;
 }
diff --git a/contrib/libedit/src/read.c b/contrib/libedit/src/read.c
index df6ac20208..b81cff609f 100644
--- a/contrib/libedit/src/read.c
+++ b/contrib/libedit/src/read.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: read.c,v 1.70 2013/05/27 23:55:55 christos Exp $	*/
+/*	$NetBSD: read.c,v 1.71 2014/07/06 18:15:34 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)read.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: read.c,v 1.70 2013/05/27 23:55:55 christos Exp $");
+__RCSID("$NetBSD: read.c,v 1.71 2014/07/06 18:15:34 christos Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -597,7 +597,7 @@ FUN(el,gets)(EditLine *el, int *nread)
 			    el->el_line.cursor = el->el_line.buffer;
 			break;
 		}
-		if ((unsigned int)cmdnum >= (unsigned int)el->el_map.nfunc) {	/* BUG CHECK command */
+		if ((size_t)cmdnum >= el->el_map.nfunc) {	/* BUG CHECK command */
 #ifdef DEBUG_EDIT
 			(void) fprintf(el->el_errfile,
 			    "ERROR: illegal command from key 0%o\r\n", ch);
diff --git a/contrib/libedit/src/readline.c b/contrib/libedit/src/readline.c
index f549dfea46..e744448e4d 100644
--- a/contrib/libedit/src/readline.c
+++ b/contrib/libedit/src/readline.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: readline.c,v 1.110 2014/01/21 13:51:44 christos Exp $	*/
+/*	$NetBSD: readline.c,v 1.114 2015/03/24 21:29:52 christos Exp $	*/
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include "config.h"
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: readline.c,v 1.110 2014/01/21 13:51:44 christos Exp $");
+__RCSID("$NetBSD: readline.c,v 1.114 2015/03/24 21:29:52 christos Exp $");
 #endif /* not lint && not SCCSID */
 
 #include <sys/types.h>
@@ -342,7 +342,7 @@ rl_initialize(void)
 	el_set(e, EL_SIGNAL, rl_catch_signals);
 
 	/* set default mode to "emacs"-style and read setting afterwards */
-	/* so this can be overriden */
+	/* so this can be overridden */
 	el_set(e, EL_EDITOR, "emacs");
 	if (rl_terminal_name != NULL)
 		el_set(e, EL_TERMINAL, rl_terminal_name);
@@ -366,6 +366,37 @@ rl_initialize(void)
 	    _el_rl_tstp);
 	el_set(e, EL_BIND, "^Z", "rl_tstp", NULL);
 		
+	/*
+	 * Set some readline compatible key-bindings.
+	 */
+	el_set(e, EL_BIND, "^R", "em-inc-search-prev", NULL);
+
+	/*
+	 * Allow the use of Home/End keys.
+	 */
+	el_set(e, EL_BIND, "\\e[1~", "ed-move-to-beg", NULL);
+	el_set(e, EL_BIND, "\\e[4~", "ed-move-to-end", NULL);
+	el_set(e, EL_BIND, "\\e[7~", "ed-move-to-beg", NULL);
+	el_set(e, EL_BIND, "\\e[8~", "ed-move-to-end", NULL);
+	el_set(e, EL_BIND, "\\e[H", "ed-move-to-beg", NULL);
+	el_set(e, EL_BIND, "\\e[F", "ed-move-to-end", NULL);
+
+	/*
+	 * Allow the use of the Delete/Insert keys.
+	 */
+	el_set(e, EL_BIND, "\\e[3~", "ed-delete-next-char", NULL);
+	el_set(e, EL_BIND, "\\e[2~", "ed-quoted-insert", NULL);
+
+	/*
+	 * Ctrl-left-arrow and Ctrl-right-arrow for word moving.
+	 */
+	el_set(e, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
+	el_set(e, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
+	el_set(e, EL_BIND, "\\e[5C", "em-next-word", NULL);
+	el_set(e, EL_BIND, "\\e[5D", "ed-prev-word", NULL);
+	el_set(e, EL_BIND, "\\e\\e[C", "em-next-word", NULL);
+	el_set(e, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
+
 	/* read settings from configuration file */
 	el_source(e, NULL);
 
@@ -638,7 +669,7 @@ get_history_event(const char *cmd, int *cindex, int qchar)
  * returns 0 if data was not modified, 1 if it was and 2 if the string
  * should be only printed and not executed; in case of error,
  * returns -1 and *result points to NULL
- * it's callers responsibility to free() string returned in *result
+ * it's the caller's responsibility to free() the string returned in *result
  */
 static int
 _history_expand_command(const char *command, size_t offs, size_t cmdlen,
@@ -1698,7 +1729,7 @@ filename_completion_function(const char *name, int state)
  * which starts with supplied text
  * text contains a partial username preceded by random character
  * (usually '~'); state resets search from start (??? should we do that anyway)
- * it's callers responsibility to free returned value
+ * it's the caller's responsibility to free the returned value
  */
 char *
 username_completion_function(const char *text, int state)
@@ -1966,7 +1997,7 @@ rl_callback_read_char(void)
 		} else
 			wbuf = NULL;
 		(*(void (*)(const char *))rl_linefunc)(wbuf);
-		//el_set(e, EL_UNBUFFERED, 1);
+		el_set(e, EL_UNBUFFERED, 1);
 	}
 }
 
diff --git a/contrib/libedit/src/unvis.c b/contrib/libedit/src/unvis.c
index 4bbc7bcb07..d2c65aa3d5 100644
--- a/contrib/libedit/src/unvis.c
+++ b/contrib/libedit/src/unvis.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: unvis.c,v 1.41 2012/12/15 04:29:53 matt Exp $	*/
+/*	$NetBSD: unvis.c,v 1.44 2014/09/26 15:43:36 roy Exp $	*/
 
 /*-
  * Copyright (c) 1989, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)unvis.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: unvis.c,v 1.41 2012/12/15 04:29:53 matt Exp $");
+__RCSID("$NetBSD: unvis.c,v 1.44 2014/09/26 15:43:36 roy Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -314,6 +314,12 @@ unvis(char *cp, int c, int *astate, int flag)
 			 */
 			*astate = SS(0, S_GROUND);
 			return UNVIS_NOCHAR;
+		default:
+			if (isgraph(c)) {
+				*cp = c;
+				*astate = SS(0, S_GROUND);
+				return UNVIS_VALID;
+			}
 		}
 		goto bad;
 
diff --git a/contrib/libedit/src/vis.c b/contrib/libedit/src/vis.c
index 880eacb105..d67f55108b 100644
--- a/contrib/libedit/src/vis.c
+++ b/contrib/libedit/src/vis.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vis.c,v 1.60 2013/02/21 16:21:20 joerg Exp $	*/
+/*	$NetBSD: vis.c,v 1.66 2014/09/26 15:58:59 roy Exp $	*/
 
 /*-
  * Copyright (c) 1989, 1993
@@ -58,7 +58,7 @@
 #include "config.h"
 
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: vis.c,v 1.60 2013/02/21 16:21:20 joerg Exp $");
+__RCSID("$NetBSD: vis.c,v 1.66 2014/09/26 15:58:59 roy Exp $");
 #endif /* LIBC_SCCS and not lint */
 #ifdef __FBSDID
 __FBSDID("$FreeBSD$");
@@ -104,7 +104,10 @@ static wchar_t *do_svis(wchar_t *, wint_t, int, wint_t, const wchar_t *);
 #define xtoa(c)		L"0123456789abcdef"[c]
 #define XTOA(c)		L"0123456789ABCDEF"[c]
 
-#define MAXEXTRAS	10
+#define MAXEXTRAS	30
+
+static const wchar_t char_shell[] = L"'`\";&<>()|{}]\\$!^~";
+static const wchar_t char_glob[] = L"*?[#";
 
 #if !HAVE_NBTOOL_CONFIG_H
 #ifndef __NetBSD__
@@ -215,8 +218,23 @@ do_mbyte(wchar_t *dst, wint_t c, int flags, wint_t nextc, int iswextra)
 				*dst++ = L'0';
 			}
 			return dst;
+		/* We cannot encode these characters in VIS_CSTYLE
+		 * because they special meaning */
+		case L'n':
+		case L'r':
+		case L'b':
+		case L'a':
+		case L'v':
+		case L't':
+		case L'f':
+		case L's':
+		case L'0':
+		case L'M':
+		case L'^':
+		case L'$': /* vis(1) -l */
+			break;
 		default:
-			if (iswgraph(c)) {
+			if (iswgraph(c) && !iswoctal(c)) {
 				*dst++ = L'\\';
 				*dst++ = c;
 				return dst;
@@ -312,6 +330,7 @@ makeextralist(int flags, const char *src)
 {
 	wchar_t *dst, *d;
 	size_t len;
+	const wchar_t *s;
 
 	len = strlen(src);
 	if ((dst = calloc(len + MAXEXTRAS, sizeof(*dst))) == NULL)
@@ -320,17 +339,18 @@ makeextralist(int flags, const char *src)
 	if (mbstowcs(dst, src, len) == (size_t)-1) {
 		size_t i;
 		for (i = 0; i < len; i++)
-			dst[i] = (wint_t)(u_char)src[i];
+			dst[i] = (wchar_t)(u_char)src[i];
 		d = dst + len;
 	} else
 		d = dst + wcslen(dst);
 
-	if (flags & VIS_GLOB) {
-		*d++ = L'*';
-		*d++ = L'?';
-		*d++ = L'[';
-		*d++ = L'#';
-	}
+	if (flags & VIS_GLOB)
+		for (s = char_glob; *s; *d++ = *s++)
+			continue;
+
+	if (flags & VIS_SHELL)
+		for (s = char_shell; *s; *d++ = *s++)
+			continue;
 
 	if (flags & VIS_SP) *d++ = L' ';
 	if (flags & VIS_TAB) *d++ = L'\t';
@@ -359,7 +379,7 @@ istrsenvisx(char *mbdst, size_t *dlen, const char *mbsrc, size_t mblength,
 	ssize_t mbslength, maxolen;
 
 	_DIAGASSERT(mbdst != NULL);
-	_DIAGASSERT(mbsrc != NULL);
+	_DIAGASSERT(mbsrc != NULL || mblength == 0);
 	_DIAGASSERT(mbextra != NULL);
 
 	/*
@@ -377,8 +397,6 @@ istrsenvisx(char *mbdst, size_t *dlen, const char *mbsrc, size_t mblength,
 
 	/* Allocate space for the wide char strings */
 	psrc = pdst = extra = NULL;
-	if (!mblength)
-		mblength = strlen(mbsrc);
 	if ((psrc = calloc(mblength + 1, sizeof(*psrc))) == NULL)
 		return -1;
 	if ((pdst = calloc((4 * mblength) + 1, sizeof(*pdst))) == NULL)
@@ -530,6 +548,15 @@ out:
 	free(psrc);
 	return error;
 }
+
+static int
+istrsenvisxl(char *mbdst, size_t *dlen, const char *mbsrc,
+    int flags, const char *mbextra, int *cerr_ptr)
+{
+	return istrsenvisx(mbdst, dlen, mbsrc,
+	    mbsrc != NULL ? strlen(mbsrc) : 0, flags, mbextra, cerr_ptr);
+}
+
 #endif
 
 #if !HAVE_SVIS
@@ -573,13 +600,13 @@ snvis(char *mbdst, size_t dlen, int c, int flags, int nextc, const char *mbextra
 int
 strsvis(char *mbdst, const char *mbsrc, int flags, const char *mbextra)
 {
-	return istrsenvisx(mbdst, NULL, mbsrc, 0, flags, mbextra, NULL);
+	return istrsenvisxl(mbdst, NULL, mbsrc, flags, mbextra, NULL);
 }
 
 int
 strsnvis(char *mbdst, size_t dlen, const char *mbsrc, int flags, const char *mbextra)
 {
-	return istrsenvisx(mbdst, &dlen, mbsrc, 0, flags, mbextra, NULL);
+	return istrsenvisxl(mbdst, &dlen, mbsrc, flags, mbextra, NULL);
 }
 
 int
@@ -648,13 +675,13 @@ nvis(char *mbdst, size_t dlen, int c, int flags, int nextc)
 int
 strvis(char *mbdst, const char *mbsrc, int flags)
 {
-	return istrsenvisx(mbdst, NULL, mbsrc, 0, flags, "", NULL);
+	return istrsenvisxl(mbdst, NULL, mbsrc, flags, "", NULL);
 }
 
 int
 strnvis(char *mbdst, size_t dlen, const char *mbsrc, int flags)
 {
-	return istrsenvisx(mbdst, &dlen, mbsrc, 0, flags, "", NULL);
+	return istrsenvisxl(mbdst, &dlen, mbsrc, flags, "", NULL);
 }
 
 /*
diff --git a/contrib/libedit/src/vis.h b/contrib/libedit/src/vis.h
index 93e758e7df..cdcb814c5d 100644
--- a/contrib/libedit/src/vis.h
+++ b/contrib/libedit/src/vis.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: vis.h,v 1.21 2013/02/20 17:01:15 christos Exp $	*/
+/*	$NetBSD: vis.h,v 1.22 2014/09/26 01:21:07 christos Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -61,6 +61,8 @@
 #define	VIS_NOESCAPE	0x0400	/* don't decode `\' */
 #define	_VIS_END	0x0800	/* for unvis */
 #define	VIS_GLOB	0x1000	/* encode glob(3) magic characters */
+#define	VIS_SHELL	0x2000	/* encode shell special characters [not glob] */
+#define	VIS_META	(VIS_WHITE | VIS_GLOB | VIS_SHELL)
 
 /*
  * unvis return codes
-- 
2.41.0