commit bash-20090730 snapshot

lib/readline/bind.c

@@ -418,6 +418,13 @@ rl_generic_bind (type, keyseq, data, map)
 	    {
 	      map = FUNCTION_TO_KEYMAP (map, ic);
 	      ic = ANYOTHERKEY;
+	      /* If we're trying to override a keymap with a null function
+		 (e.g., trying to unbind it), we can't use a null pointer
+		 here because that's indistinguishable from having not been
+		 overridden.  We use a special bindable function that does
+		 nothing. */
+	      if (type == ISFUNC && data == 0)
+		data = (char *)_rl_null_function;
 	    }
 
 	  map[ic].function = KEYMAP_TO_FUNCTION (data);

lib/readline/complete.c

@@ -2330,7 +2330,7 @@ rl_menu_complete (count, ignore)
 
   /* The first time through, we generate the list of matches and set things
      up to insert them. */
-  if (rl_last_func != rl_menu_complete || full_completion)
+  if ((rl_last_func != rl_menu_complete && rl_last_func != rl_backward_menu_complete) || full_completion)
     {
       /* Clean up from previous call, if any. */
       FREE (orig_text);
@@ -2470,3 +2470,12 @@ rl_menu_complete (count, ignore)
   completion_changed_buffer = 1;
   return (0);
 }
+
+int
+rl_backward_menu_complete (count, key)
+     int count, key;
+{
+  /* Positive arguments to backward-menu-complete translate into negative
+     arguments for menu-complete, and vice versa. */
+  return (rl_menu_complete (-count, key));
+}

lib/readline/display.c

@@ -1319,7 +1319,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 
 	  if (tempwidth > 0)
 	    {
-	      int count;
+	      int count, i;
 	      bytes = ret;
 	      for (count = 0; count < bytes; count++)
 		putc (new[count], rl_outstream);
@@ -1330,10 +1330,13 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	      if (ret != 0 && bytes != 0)
 		{
 		  if (MB_INVALIDCH (ret))
-		    memmove (old+bytes, old+1, strlen (old+1));
-		  else
-		    memmove (old+bytes, old+ret, strlen (old+ret));
+		    ret = 1;
+		  memmove (old+bytes, old+ret, strlen (old+ret));
 		  memcpy (old, new, bytes);
+		  /* Fix up indices if we copy data from one line to another */
+		  omax += bytes - ret;
+		  for (i = current_line+1; i < inv_botlin+1; i++)
+		    vis_lbreaks[i] += bytes - ret;
 		}
 	    }
 	  else

lib/readline/display.c~

@@ -960,6 +960,11 @@ rl_redisplay ()
 #define VIS_LINE(line) ((line) > _rl_vis_botlin) ? "" : VIS_CHARS(line)
 #define INV_LINE(line) (invisible_line + inv_lbreaks[line])
 
+#define OLD_CPOS_IN_PROMPT() (cpos_adjusted == 0 && \
+			_rl_last_c_pos != o_cpos && \
+			_rl_last_c_pos > wrap_offset && \
+			o_cpos < prompt_last_invisible)
+
 	  /* For each line in the buffer, do the updating display. */
 	  for (linenum = 0; linenum <= inv_botlin; linenum++)
 	    {
@@ -982,13 +987,7 @@ rl_redisplay ()
 		 time update_line is called, then we can assume in our
 		 calculations that o_cpos does not need to be adjusted by
 		 wrap_offset. */
-	      /* XXX - if this is changed, change the version down below in
-		 the horizontal scrolling section as well. */
-	      if (linenum == 0 && (MB_CUR_MAX > 1 && rl_byte_oriented == 0) &&
-		  cpos_adjusted == 0 &&
-		  _rl_last_c_pos != o_cpos &&
-		  _rl_last_c_pos > wrap_offset &&
-		  o_cpos < prompt_last_invisible)
+	      if (linenum == 0 && (MB_CUR_MAX > 1 && rl_byte_oriented == 0) && OLD_CPOS_IN_PROMPT())
 		_rl_last_c_pos -= prompt_invis_chars_first_line;	/* XXX - was wrap_offset */
 	      else if (linenum == prompt_last_screen_line && prompt_physical_chars > _rl_screenwidth &&
 			(MB_CUR_MAX > 1 && rl_byte_oriented == 0) &&
@@ -1205,14 +1204,8 @@ rl_redisplay ()
 		       _rl_screenwidth + (lmargin ? 0 : wrap_offset),
 		       0);
 
-	  /* This should be identical to the code above in the non-horizontal
-	     scrolling section. */
-	  if ((MB_CUR_MAX > 1 && rl_byte_oriented == 0) &&
-	      cpos_adjusted == 0 &&
-	      _rl_last_c_pos != o_cpos &&
-	      _rl_last_c_pos > wrap_offset &&
-	      o_cpos < prompt_last_invisible)
-		_rl_last_c_pos -= prompt_invis_chars_first_line;	/* XXX - was wrap_offset */
+	  if ((MB_CUR_MAX > 1 && rl_byte_oriented == 0) && OLD_CPOS_IN_PROMPT())
+	    _rl_last_c_pos -= prompt_invis_chars_first_line;	/* XXX - was wrap_offset */
 
 	  /* If the visible new line is shorter than the old, but the number
 	     of invisible characters is greater, and we are at the end of
@@ -1326,7 +1319,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 
 	  if (tempwidth > 0)
 	    {
-	      int count;
+	      int count, i;
 	      bytes = ret;
 	      for (count = 0; count < bytes; count++)
 		putc (new[count], rl_outstream);
@@ -1337,10 +1330,15 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	      if (ret != 0 && bytes != 0)
 		{
 		  if (MB_INVALIDCH (ret))
-		    memmove (old+bytes, old+1, strlen (old+1));
-		  else
-		    memmove (old+bytes, old+ret, strlen (old+ret));
+		    ret = 1;
+		  memmove (old+bytes, old+ret, strlen (old+ret));
 		  memcpy (old, new, bytes);
+#if 0
+		  /* Fix up indices if we copy data from one line to another */
+		  omax += bytes - ret;
+		  for (i = current_line+1; i < inv_botlin+1; i++)
+		    vis_lbreaks[i] += bytes - ret;
+#endif
 		}
 	    }
 	  else
@@ -1906,6 +1904,7 @@ _rl_move_cursor_relative (new, data)
   register int i;
   int woff;			/* number of invisible chars on current line */
   int cpos, dpos;		/* current and desired cursor positions */
+  int adjust;
 
   woff = WRAP_OFFSET (_rl_last_v_pos, wrap_offset);
   cpos = _rl_last_c_pos;
@@ -1921,15 +1920,34 @@ _rl_move_cursor_relative (new, data)
      as long as we are past them and they are counted by _rl_col_width. */
   if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
     {
-      dpos = _rl_col_width (data, 0, new);
+      adjust = 1;
+      /* Try to short-circuit common cases and eliminate a bunch of multibyte
+	 character function calls. */
+      /* 1.  prompt string */
+      if (new == local_prompt_len && memcmp (data, local_prompt, new) == 0)
+	{
+	  dpos = prompt_visible_length;
+	  cpos_adjusted = 1;
+	  adjust = 0;
+	}
+      /* 2.  prompt_string + line contents */
+      else if (new > local_prompt_len && local_prompt && memcmp (data, local_prompt, local_prompt_len) == 0)
+	{
+	  dpos = prompt_visible_length + _rl_col_width (data, local_prompt_len, new);
+	  cpos_adjusted = 1;
+	  adjust = 0;
+	}
+      else
+        dpos = _rl_col_width (data, 0, new);
+
       /* Use NEW when comparing against the last invisible character in the
 	 prompt string, since they're both buffer indices and DPOS is a
 	 desired display position. */
-      if ((new > prompt_last_invisible) ||		/* XXX - don't use woff here */
+      if (adjust && ((new > prompt_last_invisible) ||		/* XXX - don't use woff here */
 	  (prompt_physical_chars >= _rl_screenwidth &&
 	   _rl_last_v_pos == prompt_last_screen_line &&
 	   wrap_offset >= woff && dpos >= woff &&
-	   new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset)))
+	   new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset))))
 	   /* XXX last comparison might need to be >= */
 	{
 	  dpos -= woff;
@@ -2593,6 +2611,20 @@ _rl_ttymsg ("_rl_col_width: called with MB_CUR_MAX == 1");
   point = 0;
   max = end;
 
+  /* Try to short-circuit common cases.  The adjustment to remove wrap_offset
+     is done by the caller. */
+  /* 1.  prompt string */
+  if (start == 0 && end == local_prompt_len && memcmp (str, local_prompt, local_prompt_len) == 0)
+    return (prompt_visible_length + wrap_offset);
+  /* 2.  prompt string + line contents */
+  else if (start == 0 && end > local_prompt_len && local_prompt && memcmp (str, local_prompt, local_prompt_len) == 0)
+    {
+      tmp = prompt_visible_length + wrap_offset;
+      /* XXX - try to call ourselves recursively with non-prompt portion */
+      tmp += _rl_col_width (str, local_prompt_len, end);
+      return (tmp);
+    }
+
   while (point < start)
     {
       tmp = mbrlen (str + point, max, &ps);

lib/readline/doc/readline.3

@@ -6,9 +6,9 @@
 .\"	Case Western Reserve University
 .\"	chet@ins.CWRU.Edu
 .\"
-.\"	Last Change: Thu May  8 09:29:59 EDT 2008
+.\"	Last Change: Thu Jul 30 09:22:50 EDT 2009
 .\"
-.TH READLINE 3 "2008 May 8" "GNU Readline 6.0"
+.TH READLINE 3 "2009 Jul 30" "GNU Readline 6.0"
 .\"
 .\" File Name macro.  This used to be `.PN', for Path Name,
 .\" but Sun doesn't seem to like that very much.
@@ -924,6 +924,11 @@ through the list.
 This command is intended to be bound to \fBTAB\fP, but is unbound
 by default.
 .TP
+.B menu\-complete-\backward
+Identical to \fBmenu\-complete\fP, but moves backward through the list
+of possible completions, as if \fBmenu\-complete\fP had been given a
+negative argument.  This command is unbound by default.
+.TP
 .B delete\-char\-or\-list
 Deletes the character under the cursor if not at the beginning or
 end of the line (like \fBdelete-char\fP).

lib/readline/doc/rltech.texi

@@ -622,7 +622,7 @@ Readline which keymap to use.
 @deftypefun Keymap rl_make_bare_keymap (void)
 Returns a new, empty keymap.  The space for the keymap is allocated with
 @code{malloc()}; the caller should free it by calling
-@code{rl_discard_keymap()} when done.
+@code{rl_free_keymap()} when done.
 @end deftypefun
 
 @deftypefun Keymap rl_copy_keymap (Keymap map)
@@ -636,7 +636,13 @@ the Meta digits bound to produce numeric arguments.
 @end deftypefun
 
 @deftypefun void rl_discard_keymap (Keymap keymap)
-Free the storage associated with @var{keymap}.
+Free the storage associated with the data in @var{keymap}.
+The caller should free @var{keymap}.
+@end deftypefun
+
+@deftypefun void rl_free_keymap (Keymap keymap)
+Free all storage associated with @var{keymap}.  This calls
+@code{rl_discard_keymap} to free subordindate keymaps and macros.
 @end deftypefun
 
 Readline has several internal keymaps.  These functions allow you to

lib/readline/doc/rluser.texi

@@ -1292,6 +1292,11 @@ through the list.
 This command is intended to be bound to @key{TAB}, but is unbound
 by default.
 
+@item menu-complete-backward ()
+Identical to @code{menu-complete}, but moves backward through the list
+of possible completions, as if @code{menu-complete} had been given a
+negative argument.
+
 @item delete-char-or-list ()
 Deletes the character under the cursor if not at the beginning or
 end of the line (like @code{delete-char}).

lib/readline/doc/version.texi

@@ -4,7 +4,7 @@ Copyright (C) 1988-2009 Free Software Foundation, Inc.
 
 @set EDITION 6.0
 @set VERSION 6.0
-@set UPDATED 28 October 2008
-@set UPDATED-MONTH October 2008
+@set UPDATED 31 July 2009
+@set UPDATED-MONTH July 2009
 
-@set LASTCHANGE Tue Oct 28 11:25:24 EDT 2008
+@set LASTCHANGE Fri Jul 31 20:18:23 EDT 2009

lib/readline/doc/version.texi~

@@ -0,0 +1,10 @@
+@ignore
+Copyright (C) 1988-2009 Free Software Foundation, Inc. 
+@end ignore
+
+@set EDITION 6.0
+@set VERSION 6.0
+@set UPDATED 30 July 2009
+@set UPDATED-MONTH July 2009
+
+@set LASTCHANGE Thu Jul 30 09:23:36 EDT 2009

lib/readline/funmap.c

@@ -105,6 +105,7 @@ static const FUNMAP default_funmap[] = {
   { "kill-region", rl_kill_region },
   { "kill-word", rl_kill_word },
   { "menu-complete", rl_menu_complete },
+  { "menu-complete-backward", rl_backward_menu_complete },
   { "next-history", rl_get_next_history },
   { "non-incremental-forward-search-history", rl_noninc_forward_search },
   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },

lib/readline/keymaps.c

@@ -57,8 +57,9 @@ Keymap
 rl_make_bare_keymap ()
 {
   register int i;
-  Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
+  Keymap keymap;
 
+  keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
   for (i = 0; i < KEYMAP_SIZE; i++)
     {
       keymap[i].type = ISFUNC;
@@ -76,7 +77,8 @@ rl_make_bare_keymap ()
   return (keymap);
 }
 
-/* Return a new keymap which is a copy of MAP. */
+/* Return a new keymap which is a copy of MAP.  Just copies pointers, does
+   not copy text of macros or descend into child keymaps. */
 Keymap
 rl_copy_keymap (map)
      Keymap map;
@@ -128,7 +130,7 @@ rl_discard_keymap (map)
 {
   int i;
 
-  if (!map)
+  if (map == 0)
     return;
 
   for (i = 0; i < KEYMAP_SIZE; i++)
@@ -140,6 +142,7 @@ rl_discard_keymap (map)
 
 	case ISKMAP:
 	  rl_discard_keymap ((Keymap)map[i].function);
+	  free ((char *)map[i].function);
 	  break;
 
 	case ISMACR:
@@ -148,3 +151,12 @@ rl_discard_keymap (map)
 	}
     }
 }
+
+/* Convenience function that discards, then frees, MAP. */
+void
+rl_free_keymap (map)
+     Keymap map;
+{
+  rl_discard_keymap (map);
+  free ((char *)map);
+}

lib/readline/keymaps.c~

@@ -0,0 +1,150 @@
+/* keymaps.c -- Functions and keymaps for the GNU Readline library. */
+
+/* Copyright (C) 1988,1989-2009 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library (Readline), a library
+   for reading lines of text with interactive input and history editing.      
+
+   Readline is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Readline is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>	/* for FILE * definition for readline.h */
+
+#include "readline.h"
+#include "rlconf.h"
+
+#include "emacs_keymap.c"
+
+#if defined (VI_MODE)
+#include "vi_keymap.c"
+#endif
+
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*		      Functions for manipulating Keymaps.	    */
+/*								    */
+/* **************************************************************** */
+
+
+/* Return a new, empty keymap.
+   Free it with free() when you are done. */
+Keymap
+rl_make_bare_keymap ()
+{
+  register int i;
+  Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
+
+  for (i = 0; i < KEYMAP_SIZE; i++)
+    {
+      keymap[i].type = ISFUNC;
+      keymap[i].function = (rl_command_func_t *)NULL;
+    }
+
+#if 0
+  for (i = 'A'; i < ('Z' + 1); i++)
+    {
+      keymap[i].type = ISFUNC;
+      keymap[i].function = rl_do_lowercase_version;
+    }
+#endif
+
+  return (keymap);
+}
+
+/* Return a new keymap which is a copy of MAP. */
+Keymap
+rl_copy_keymap (map)
+     Keymap map;
+{
+  register int i;
+  Keymap temp;
+
+  temp = rl_make_bare_keymap ();
+  for (i = 0; i < KEYMAP_SIZE; i++)
+    {
+      temp[i].type = map[i].type;
+      temp[i].function = map[i].function;
+    }
+  return (temp);
+}
+
+/* Return a new keymap with the printing characters bound to rl_insert,
+   the uppercase Meta characters bound to run their lowercase equivalents,
+   and the Meta digits bound to produce numeric arguments. */
+Keymap
+rl_make_keymap ()
+{
+  register int i;
+  Keymap newmap;
+
+  newmap = rl_make_bare_keymap ();
+
+  /* All ASCII printing characters are self-inserting. */
+  for (i = ' '; i < 127; i++)
+    newmap[i].function = rl_insert;
+
+  newmap[TAB].function = rl_insert;
+  newmap[RUBOUT].function = rl_rubout;	/* RUBOUT == 127 */
+  newmap[CTRL('H')].function = rl_rubout;
+
+#if KEYMAP_SIZE > 128
+  /* Printing characters in ISO Latin-1 and some 8-bit character sets. */
+  for (i = 128; i < 256; i++)
+    newmap[i].function = rl_insert;
+#endif /* KEYMAP_SIZE > 128 */
+
+  return (newmap);
+}
+
+/* Free the storage associated with MAP. */
+void
+rl_discard_keymap (map)
+     Keymap map;
+{
+  int i;
+
+  if (!map)
+    return;
+
+  for (i = 0; i < KEYMAP_SIZE; i++)
+    {
+      switch (map[i].type)
+	{
+	case ISFUNC:
+	  break;
+
+	case ISKMAP:
+	  rl_discard_keymap ((Keymap)map[i].function);
+	  break;
+
+	case ISMACR:
+	  free ((char *)map[i].function);
+	  break;
+	}
+    }
+}

lib/readline/readline.c

@@ -1169,6 +1169,10 @@ bind_arrow_keys ()
 
 #if defined (VI_MODE)
   bind_arrow_keys_internal (vi_movement_keymap);
+  /* Unbind vi_movement_keymap[ESC] to allow users to repeatedly hit ESC
+     in vi command mode while still allowing the arrow keys to work. */
+  if (vi_movement_keymap[ESC].type == ISKMAP)
+    rl_bind_keyseq_in_map ("\033", (rl_command_func_t *)NULL, vi_movement_keymap);
   bind_arrow_keys_internal (vi_insertion_keymap);
 #endif
 }

lib/readline/readline.h

@@ -151,6 +151,7 @@ extern int rl_complete PARAMS((int, int));
 extern int rl_possible_completions PARAMS((int, int));
 extern int rl_insert_completions PARAMS((int, int));
 extern int rl_menu_complete PARAMS((int, int));
+extern int rl_backward_menu_complete PARAMS((int, int));
 
 /* Bindable commands for killing and yanking text, and managing the kill ring. */
 extern int rl_kill_word PARAMS((int, int));

lib/readline/rlprivate.h

@@ -349,6 +349,7 @@ extern void _rl_trace ();
 extern int _rl_tropen PARAMS((void));
 
 extern int _rl_abort_internal PARAMS((void));
+extern int _rl_null_function PARAMS((int, int));
 extern char *_rl_strindex PARAMS((const char *, const char *));
 extern int _rl_qsort_string_compare PARAMS((char **, char **));
 extern int (_rl_uppercase_p) PARAMS((int));

lib/readline/rlprivate.h~

@@ -300,6 +300,8 @@ extern void _rl_signal_handler PARAMS((int));
 
 extern void _rl_block_sigint PARAMS((void));
 extern void _rl_release_sigint PARAMS((void));
+extern void _rl_block_sigwinch PARAMS((void));
+extern void _rl_release_sigwinch PARAMS((void));
 
 /* terminal.c */
 extern void _rl_get_screen_size PARAMS((int, int));

lib/readline/util.c

@@ -120,6 +120,13 @@ rl_abort (count, key)
   return (_rl_abort_internal ());
 }
 
+int
+_rl_null_function (count, key)
+     int count, key;
+{
+  return 0;
+}
+
 int
 rl_tty_status (count, key)
      int count, key;

lib/readline/util.c~

@@ -0,0 +1,512 @@
+/* util.c -- readline utility functions */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library (Readline), a library
+   for reading lines of text with interactive input and history editing.      
+
+   Readline is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Readline is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include "posixjmp.h"
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>           /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+#include <ctype.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#if defined (TIOCSTAT_IN_SYS_IOCTL)
+#  include <sys/ioctl.h>
+#endif /* TIOCSTAT_IN_SYS_IOCTL */
+
+/* Some standard library routines. */
+#include "readline.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*			Utility Functions			    */
+/*								    */
+/* **************************************************************** */
+
+/* Return 0 if C is not a member of the class of characters that belong
+   in words, or 1 if it is. */
+
+int _rl_allow_pathname_alphabetic_chars = 0;
+static const char * const pathname_alphabetic_chars = "/-_=~.#$";
+
+int
+rl_alphabetic (c)
+     int c;
+{
+  if (ALPHABETIC (c))
+    return (1);
+
+  return (_rl_allow_pathname_alphabetic_chars &&
+	    strchr (pathname_alphabetic_chars, c) != NULL);
+}
+
+#if defined (HANDLE_MULTIBYTE)
+int
+_rl_walphabetic (wc)
+     wchar_t wc;
+{
+  int c;
+
+  if (iswalnum (wc))
+    return (1);     
+
+  c = wc & 0177;
+  return (_rl_allow_pathname_alphabetic_chars &&
+	    strchr (pathname_alphabetic_chars, c) != NULL);
+}
+#endif
+
+/* How to abort things. */
+int
+_rl_abort_internal ()
+{
+  rl_ding ();
+  rl_clear_message ();
+  _rl_reset_argument ();
+  rl_clear_pending_input ();
+
+  RL_UNSETSTATE (RL_STATE_MACRODEF);
+  while (rl_executing_macro)
+    _rl_pop_executing_macro ();
+
+  rl_last_func = (rl_command_func_t *)NULL;
+  longjmp (_rl_top_level, 1);
+  return (0);
+}
+
+int
+rl_abort (count, key)
+     int count, key;
+{
+  return (_rl_abort_internal ());
+}
+
+int
+_rl_null_func (count, key)
+     int count, key;
+{
+  return 0;
+}
+
+int
+rl_tty_status (count, key)
+     int count, key;
+{
+#if defined (TIOCSTAT)
+  ioctl (1, TIOCSTAT, (char *)0);
+  rl_refresh_line (count, key);
+#else
+  rl_ding ();
+#endif
+  return 0;
+}
+
+/* Return a copy of the string between FROM and TO.
+   FROM is inclusive, TO is not. */
+char *
+rl_copy_text (from, to)
+     int from, to;
+{
+  register int length;
+  char *copy;
+
+  /* Fix it if the caller is confused. */
+  if (from > to)
+    SWAP (from, to);
+
+  length = to - from;
+  copy = (char *)xmalloc (1 + length);
+  strncpy (copy, rl_line_buffer + from, length);
+  copy[length] = '\0';
+  return (copy);
+}
+
+/* Increase the size of RL_LINE_BUFFER until it has enough space to hold
+   LEN characters. */
+void
+rl_extend_line_buffer (len)
+     int len;
+{
+  while (len >= rl_line_buffer_len)
+    {
+      rl_line_buffer_len += DEFAULT_BUFFER_SIZE;
+      rl_line_buffer = (char *)xrealloc (rl_line_buffer, rl_line_buffer_len);
+    }
+
+  _rl_set_the_line ();
+}
+
+
+/* A function for simple tilde expansion. */
+int
+rl_tilde_expand (ignore, key)
+     int ignore, key;
+{
+  register int start, end;
+  char *homedir, *temp;
+  int len;
+
+  end = rl_point;
+  start = end - 1;
+
+  if (rl_point == rl_end && rl_line_buffer[rl_point] == '~')
+    {
+      homedir = tilde_expand ("~");
+      _rl_replace_text (homedir, start, end);
+      xfree (homedir);
+      return (0);
+    }
+  else if (rl_line_buffer[start] != '~')
+    {
+      for (; !whitespace (rl_line_buffer[start]) && start >= 0; start--)
+        ;
+      start++;
+    }
+
+  end = start;
+  do
+    end++;
+  while (whitespace (rl_line_buffer[end]) == 0 && end < rl_end);
+
+  if (whitespace (rl_line_buffer[end]) || end >= rl_end)
+    end--;
+
+  /* If the first character of the current word is a tilde, perform
+     tilde expansion and insert the result.  If not a tilde, do
+     nothing. */
+  if (rl_line_buffer[start] == '~')
+    {
+      len = end - start + 1;
+      temp = (char *)xmalloc (len + 1);
+      strncpy (temp, rl_line_buffer + start, len);
+      temp[len] = '\0';
+      homedir = tilde_expand (temp);
+      xfree (temp);
+
+      _rl_replace_text (homedir, start, end);
+      xfree (homedir);
+    }
+
+  return (0);
+}
+
+#if defined (USE_VARARGS)
+void
+#if defined (PREFER_STDARG)
+_rl_ttymsg (const char *format, ...)
+#else
+_rl_ttymsg (va_alist)
+     va_dcl
+#endif
+{
+  va_list args;
+#if defined (PREFER_VARARGS)
+  char *format;
+#endif
+
+#if defined (PREFER_STDARG)
+  va_start (args, format);
+#else
+  va_start (args);
+  format = va_arg (args, char *);
+#endif
+
+  fprintf (stderr, "readline: ");
+  vfprintf (stderr, format, args);
+  fprintf (stderr, "\n");
+  fflush (stderr);
+
+  va_end (args);
+
+  rl_forced_update_display ();
+}
+
+void
+#if defined (PREFER_STDARG)
+_rl_errmsg (const char *format, ...)
+#else
+_rl_errmsg (va_alist)
+     va_dcl
+#endif
+{
+  va_list args;
+#if defined (PREFER_VARARGS)
+  char *format;
+#endif
+
+#if defined (PREFER_STDARG)
+  va_start (args, format);
+#else
+  va_start (args);
+  format = va_arg (args, char *);
+#endif
+
+  fprintf (stderr, "readline: ");
+  vfprintf (stderr, format, args);
+  fprintf (stderr, "\n");
+  fflush (stderr);
+
+  va_end (args);
+}
+
+#else /* !USE_VARARGS */
+void
+_rl_ttymsg (format, arg1, arg2)
+     char *format;
+{
+  fprintf (stderr, "readline: ");
+  fprintf (stderr, format, arg1, arg2);
+  fprintf (stderr, "\n");
+
+  rl_forced_update_display ();
+}
+
+void
+_rl_errmsg (format, arg1, arg2)
+     char *format;
+{
+  fprintf (stderr, "readline: ");
+  fprintf (stderr, format, arg1, arg2);
+  fprintf (stderr, "\n");
+}
+#endif /* !USE_VARARGS */
+
+/* **************************************************************** */
+/*								    */
+/*			String Utility Functions		    */
+/*								    */
+/* **************************************************************** */
+
+/* Determine if s2 occurs in s1.  If so, return a pointer to the
+   match in s1.  The compare is case insensitive. */
+char *
+_rl_strindex (s1, s2)
+     register const char *s1, *s2;
+{
+  register int i, l, len;
+
+  for (i = 0, l = strlen (s2), len = strlen (s1); (len - i) >= l; i++)
+    if (_rl_strnicmp (s1 + i, s2, l) == 0)
+      return ((char *) (s1 + i));
+  return ((char *)NULL);
+}
+
+#ifndef HAVE_STRPBRK
+/* Find the first occurrence in STRING1 of any character from STRING2.
+   Return a pointer to the character in STRING1. */
+char *
+_rl_strpbrk (string1, string2)
+     const char *string1, *string2;
+{
+  register const char *scan;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps;
+  register int i, v;
+
+  memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+  for (; *string1; string1++)
+    {
+      for (scan = string2; *scan; scan++)
+	{
+	  if (*string1 == *scan)
+	    return ((char *)string1);
+	}
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  v = _rl_get_char_len (string1, &ps);
+	  if (v > 1)
+	    string1 += v - 1;	/* -1 to account for auto-increment in loop */
+	}
+#endif
+    }
+  return ((char *)NULL);
+}
+#endif
+
+#if !defined (HAVE_STRCASECMP)
+/* Compare at most COUNT characters from string1 to string2.  Case
+   doesn't matter. */
+int
+_rl_strnicmp (string1, string2, count)
+     char *string1, *string2;
+     int count;
+{
+  register char ch1, ch2;
+
+  while (count)
+    {
+      ch1 = *string1++;
+      ch2 = *string2++;
+      if (_rl_to_upper(ch1) == _rl_to_upper(ch2))
+	count--;
+      else
+        break;
+    }
+  return (count);
+}
+
+/* strcmp (), but caseless. */
+int
+_rl_stricmp (string1, string2)
+     char *string1, *string2;
+{
+  register char ch1, ch2;
+
+  while (*string1 && *string2)
+    {
+      ch1 = *string1++;
+      ch2 = *string2++;
+      if (_rl_to_upper(ch1) != _rl_to_upper(ch2))
+	return (1);
+    }
+  return (*string1 - *string2);
+}
+#endif /* !HAVE_STRCASECMP */
+
+/* Stupid comparison routine for qsort () ing strings. */
+int
+_rl_qsort_string_compare (s1, s2)
+  char **s1, **s2;
+{
+#if defined (HAVE_STRCOLL)
+  return (strcoll (*s1, *s2));
+#else
+  int result;
+
+  result = **s1 - **s2;
+  if (result == 0)
+    result = strcmp (*s1, *s2);
+
+  return result;
+#endif
+}
+
+/* Function equivalents for the macros defined in chardefs.h. */
+#define FUNCTION_FOR_MACRO(f)	int (f) (c) int c; { return f (c); }
+
+FUNCTION_FOR_MACRO (_rl_digit_p)
+FUNCTION_FOR_MACRO (_rl_digit_value)
+FUNCTION_FOR_MACRO (_rl_lowercase_p)
+FUNCTION_FOR_MACRO (_rl_pure_alphabetic)
+FUNCTION_FOR_MACRO (_rl_to_lower)
+FUNCTION_FOR_MACRO (_rl_to_upper)
+FUNCTION_FOR_MACRO (_rl_uppercase_p)
+
+/* A convenience function, to force memory deallocation to be performed
+   by readline.  DLLs on Windows apparently require this. */
+void
+rl_free (mem)
+     void *mem;
+{
+  if (mem)
+    free (mem);
+}
+
+/* Backwards compatibility, now that savestring has been removed from
+   all `public' readline header files. */
+#undef _rl_savestring
+char *
+_rl_savestring (s)
+     const char *s;
+{
+  return (strcpy ((char *)xmalloc (1 + (int)strlen (s)), (s)));
+}
+
+#if defined (USE_VARARGS)
+static FILE *_rl_tracefp;
+
+void
+#if defined (PREFER_STDARG)
+_rl_trace (const char *format, ...)
+#else
+_rl_trace (va_alist)
+     va_dcl
+#endif
+{
+  va_list args;
+#if defined (PREFER_VARARGS)
+  char *format;
+#endif
+
+#if defined (PREFER_STDARG)
+  va_start (args, format);
+#else
+  va_start (args);
+  format = va_arg (args, char *);
+#endif
+
+  if (_rl_tracefp == 0)
+    _rl_tropen ();
+  vfprintf (_rl_tracefp, format, args);
+  fprintf (_rl_tracefp, "\n");
+  fflush (_rl_tracefp);
+
+  va_end (args);
+}
+
+int
+_rl_tropen ()
+{
+  char fnbuf[128];
+
+  if (_rl_tracefp)
+    fclose (_rl_tracefp);
+  sprintf (fnbuf, "/var/tmp/rltrace.%ld", getpid());
+  unlink(fnbuf);
+  _rl_tracefp = fopen (fnbuf, "w+");
+  return _rl_tracefp != 0;
+}
+
+int
+_rl_trclose ()
+{
+  int r;
+
+  r = fclose (_rl_tracefp);
+  _rl_tracefp = 0;
+  return r;
+}
+
+#endif

lib/readline/vi_keymap.c

@@ -326,9 +326,9 @@ KEYMAP_ENTRY_ARRAY vi_insertion_keymap = {
   { ISFUNC, rl_insert },			/* Control-k */
   { ISFUNC, rl_insert },			/* Control-l */
   { ISFUNC, rl_newline },			/* Control-m */
-  { ISFUNC, rl_insert },			/* Control-n */
+  { ISFUNC, rl_menu_complete},			/* Control-n */
   { ISFUNC, rl_insert },			/* Control-o */
-  { ISFUNC, rl_insert },			/* Control-p */
+  { ISFUNC, rl_backward_menu_complete },	/* Control-p */
   { ISFUNC, rl_insert },			/* Control-q */
   { ISFUNC, rl_reverse_search_history },	/* Control-r */
   { ISFUNC, rl_forward_search_history },	/* Control-s */