cleanup: remove libedit, move readline to extra/

1 files changed, 0 insertions, 603 deletions

diff --git a/cmd-line-utils/readline/misc.c b/cmd-line-utils/readline/misc.c
deleted file mode 100644
index 033a0dd9482..00000000000
--- a/cmd-line-utils/readline/misc.c
+++ /dev/null
@@ -1,603 +0,0 @@
-/* misc.c -- miscellaneous bindable readline functions. */
-
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
-
-   This file is part of the GNU Readline Library, a library for
-   reading lines of text with interactive input and history editing.
-
-   The GNU Readline Library 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 2, or
-   (at your option) any later version.
-
-   The GNU Readline Library 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.
-
-   The GNU General Public License is often shipped with GNU software, and
-   is generally kept in a file called COPYING or LICENSE.  If you do not
-   have a copy of the license, write to the Free Software Foundation,
-   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. */
-#define READLINE_LIBRARY
-
-#if defined (HAVE_CONFIG_H)
-#  include "config_readline.h"
-#endif
-
-#if defined (HAVE_UNISTD_H)
-#  include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-
-#if defined (HAVE_STDLIB_H)
-#  include <stdlib.h>
-#else
-#  include "ansi_stdlib.h"
-#endif /* HAVE_STDLIB_H */
-
-#if defined (HAVE_LOCALE_H)
-#  include <locale.h>
-#endif
-
-#include <stdio.h>
-
-/* System-specific feature definitions and include files. */
-#include "rldefs.h"
-#include "rlmbutil.h"
-
-/* Some standard library routines. */
-#include "readline.h"
-#include "history.h"
-
-#include "rlprivate.h"
-#include "rlshell.h"
-#include "xmalloc.h"
-
-static int rl_digit_loop PARAMS((void));
-static void _rl_history_set_point PARAMS((void));
-
-/* Forward declarations used in this file */
-void _rl_free_history_entry PARAMS((HIST_ENTRY *));
-
-/* If non-zero, rl_get_previous_history and rl_get_next_history attempt
-   to preserve the value of rl_point from line to line. */
-int _rl_history_preserve_point = 0;
-
-_rl_arg_cxt _rl_argcxt;
-
-/* Saved target point for when _rl_history_preserve_point is set.  Special
-   value of -1 means that point is at the end of the line. */
-int _rl_history_saved_point = -1;
-
-/* **************************************************************** */
-/*								    */
-/*			Numeric Arguments			    */
-/*								    */
-/* **************************************************************** */
-
-int
-_rl_arg_overflow ()
-{
-  if (rl_numeric_arg > 1000000)
-    {
-      _rl_argcxt = 0;
-      rl_explicit_arg = rl_numeric_arg = 0;
-      rl_ding ();
-      rl_restore_prompt ();
-      rl_clear_message ();
-      RL_UNSETSTATE(RL_STATE_NUMERICARG);
-      return 1;
-    }
-  return 0;
-}
-
-void
-_rl_arg_init ()
-{
-  rl_save_prompt ();
-  _rl_argcxt = 0;
-  RL_SETSTATE(RL_STATE_NUMERICARG);
-}
-
-int
-_rl_arg_getchar ()
-{
-  int c;
-
-  rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
-  RL_SETSTATE(RL_STATE_MOREINPUT);
-  c = rl_read_key ();
-  RL_UNSETSTATE(RL_STATE_MOREINPUT);
-
-  return c;
-}
-
-/* Process C as part of the current numeric argument.  Return -1 if the
-   argument should be aborted, 0 if we should not read any more chars, and
-   1 if we should continue to read chars. */
-int
-_rl_arg_dispatch (cxt, c)
-     _rl_arg_cxt cxt;
-     int c;
-{
-  int key, r;
-
-  key = c;
-
-  /* If we see a key bound to `universal-argument' after seeing digits,
-      it ends the argument but is otherwise ignored. */
-  if (_rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
-    {
-      if ((cxt & NUM_SAWDIGITS) == 0)
-	{
-	  rl_numeric_arg *= 4;
-	  return 1;
-	}
-      else if (RL_ISSTATE (RL_STATE_CALLBACK))
-        {
-          _rl_argcxt |= NUM_READONE;
-          return 0;	/* XXX */
-        }
-      else
-	{
-	  RL_SETSTATE(RL_STATE_MOREINPUT);
-	  key = rl_read_key ();
-	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
-	  rl_restore_prompt ();
-	  rl_clear_message ();
-	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
-	  return (_rl_dispatch (key, _rl_keymap));
-	}
-    }
-
-  c = UNMETA (c);
-
-  if (_rl_digit_p (c))
-    {
-      r = _rl_digit_value (c);    	
-      rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) +  r : r;
-      rl_explicit_arg = 1;
-      _rl_argcxt |= NUM_SAWDIGITS;
-    }
-  else if (c == '-' && rl_explicit_arg == 0)
-    {
-      rl_numeric_arg = 1;
-      _rl_argcxt |= NUM_SAWMINUS;
-      rl_arg_sign = -1;
-    }
-  else
-    {
-      /* Make M-- command equivalent to M--1 command. */
-      if ((_rl_argcxt & NUM_SAWMINUS) && rl_numeric_arg == 1 && rl_explicit_arg == 0)
-	rl_explicit_arg = 1;
-      rl_restore_prompt ();
-      rl_clear_message ();
-      RL_UNSETSTATE(RL_STATE_NUMERICARG);
-
-      r = _rl_dispatch (key, _rl_keymap);
-      if (RL_ISSTATE (RL_STATE_CALLBACK))
-	{
-	  /* At worst, this will cause an extra redisplay.  Otherwise,
-	     we have to wait until the next character comes in. */
-	  if (rl_done == 0)
-	    (*rl_redisplay_function) ();
-	  r = 0;
-	}
-      return r;
-    }
-
-  return 1;
-}
-
-/* Handle C-u style numeric args, as well as M--, and M-digits. */
-static int
-rl_digit_loop ()
-{
-  int c, r;
-
-  while (1)
-    {
-      if (_rl_arg_overflow ())
-	return 1;
-
-      c = _rl_arg_getchar ();
-
-      if (c < 0)
-	{
-	  _rl_abort_internal ();
-	  return -1;
-	}
-
-      r = _rl_arg_dispatch (_rl_argcxt, c);
-      if (r <= 0 || (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
-        break;
-    }
-
-  return r;
-}
-
-/* Create a default argument. */
-void
-_rl_reset_argument ()
-{
-  rl_numeric_arg = rl_arg_sign = 1;
-  rl_explicit_arg = 0;
-  _rl_argcxt = 0;
-}
-
-/* Start a numeric argument with initial value KEY */
-int
-rl_digit_argument (ignore, key)
-     int ignore __attribute__((unused)), key;
-{
-  _rl_arg_init ();
-  if (RL_ISSTATE (RL_STATE_CALLBACK))
-    {
-      _rl_arg_dispatch (_rl_argcxt, key);
-      rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
-      return 0;
-    }
-  else
-    {
-      rl_execute_next (key);
-      return (rl_digit_loop ());
-    }
-}
-
-/* C-u, universal argument.  Multiply the current argument by 4.
-   Read a key.  If the key has nothing to do with arguments, then
-   dispatch on it.  If the key is the abort character then abort. */
-int
-rl_universal_argument (count, key)
-     int count __attribute__((unused)), key __attribute__((unused));
-{
-  _rl_arg_init ();
-  rl_numeric_arg *= 4;
-
-  return (RL_ISSTATE (RL_STATE_CALLBACK) ? 0 : rl_digit_loop ());
-}
-
-int
-_rl_arg_callback (cxt)
-     _rl_arg_cxt cxt;
-{
-  int c, r;
-
-  c = _rl_arg_getchar ();
-
-  if (_rl_argcxt & NUM_READONE)
-    {
-      _rl_argcxt &= ~NUM_READONE;
-      rl_restore_prompt ();
-      rl_clear_message ();
-      RL_UNSETSTATE(RL_STATE_NUMERICARG);
-      rl_execute_next (c);
-      return 0;
-    }
-
-  r = _rl_arg_dispatch (cxt, c);
-  return (r != 1);
-}
-
-/* What to do when you abort reading an argument. */
-int
-rl_discard_argument ()
-{
-  rl_ding ();
-  rl_clear_message ();
-  _rl_reset_argument ();
-
-  return 0;
-}
-
-/* **************************************************************** */
-/*								    */
-/*			History Utilities			    */
-/*								    */
-/* **************************************************************** */
-
-/* We already have a history library, and that is what we use to control
-   the history features of readline.  This is our local interface to
-   the history mechanism. */
-
-/* While we are editing the history, this is the saved
-   version of the original line. */
-HIST_ENTRY *_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
-
-/* Set the history pointer back to the last entry in the history. */
-void
-_rl_start_using_history ()
-{
-  using_history ();
-  if (_rl_saved_line_for_history)
-    _rl_free_history_entry (_rl_saved_line_for_history);
-
-  _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
-}
-
-/* Free the contents (and containing structure) of a HIST_ENTRY. */
-void
-_rl_free_history_entry (entry)
-     HIST_ENTRY *entry;
-{
-  if (entry == 0)
-    return;
-
-  FREE (entry->line);
-  FREE (entry->timestamp);
-
-  free (entry);
-}
-
-/* Perhaps put back the current line if it has changed. */
-int
-rl_maybe_replace_line ()
-{
-  HIST_ENTRY *temp;
-
-  temp = current_history ();
-  /* If the current line has changed, save the changes. */
-  if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
-    {
-      temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
-      free (temp->line);
-      FREE (temp->timestamp);
-      free (temp);
-    }
-  return 0;
-}
-
-/* Restore the _rl_saved_line_for_history if there is one. */
-int
-rl_maybe_unsave_line ()
-{
-  if (_rl_saved_line_for_history)
-    {
-      /* Can't call with `1' because rl_undo_list might point to an undo
-	 list from a history entry, as in rl_replace_from_history() below. */
-      rl_replace_line (_rl_saved_line_for_history->line, 0);
-      rl_undo_list = (UNDO_LIST *)_rl_saved_line_for_history->data;
-      _rl_free_history_entry (_rl_saved_line_for_history);
-      _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
-      rl_point = rl_end;	/* rl_replace_line sets rl_end */
-    }
-  else
-    rl_ding ();
-  return 0;
-}
-
-/* Save the current line in _rl_saved_line_for_history. */
-int
-rl_maybe_save_line ()
-{
-  if (_rl_saved_line_for_history == 0)
-    {
-      _rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
-      _rl_saved_line_for_history->line = savestring (rl_line_buffer);
-      _rl_saved_line_for_history->timestamp = (char *)NULL;
-      _rl_saved_line_for_history->data = (char *)rl_undo_list;
-    }
-
-  return 0;
-}
-
-int
-_rl_free_saved_history_line ()
-{
-  if (_rl_saved_line_for_history)
-    {
-      _rl_free_history_entry (_rl_saved_line_for_history);
-      _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
-    }
-  return 0;
-}
-
-static void
-_rl_history_set_point ()
-{
-  rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
-		? _rl_history_saved_point
-		: rl_end;
-  if (rl_point > rl_end)
-    rl_point = rl_end;
-
-#if defined (VI_MODE)
-  if (rl_editing_mode == vi_mode && _rl_keymap != vi_insertion_keymap)
-    rl_point = 0;
-#endif /* VI_MODE */
-
-  if (rl_editing_mode == emacs_mode)
-    rl_mark = (rl_point == rl_end ? 0 : rl_end);
-}
-
-void
-rl_replace_from_history (entry, flags)
-     HIST_ENTRY *entry;
-     int flags __attribute__((unused));	/* currently unused */
-{
-  /* Can't call with `1' because rl_undo_list might point to an undo list
-     from a history entry, just like we're setting up here. */
-  rl_replace_line (entry->line, 0);
-  rl_undo_list = (UNDO_LIST *)entry->data;
-  rl_point = rl_end;
-  rl_mark = 0;
-
-#if defined (VI_MODE)
-  if (rl_editing_mode == vi_mode)
-    {
-      rl_point = 0;
-      rl_mark = rl_end;
-    }
-#endif
-}  
-
-/* **************************************************************** */
-/*								    */
-/*			History Commands			    */
-/*								    */
-/* **************************************************************** */
-
-/* Meta-< goes to the start of the history. */
-int
-rl_beginning_of_history (count, key)
-     int count __attribute__((unused)), key;
-{
-  return (rl_get_previous_history (1 + where_history (), key));
-}
-
-/* Meta-> goes to the end of the history.  (The current line). */
-int
-rl_end_of_history (count, key)
-     int count __attribute__((unused)), key __attribute__((unused));
-{
-  rl_maybe_replace_line ();
-  using_history ();
-  rl_maybe_unsave_line ();
-  return 0;
-}
-
-/* Move down to the next history line. */
-int
-rl_get_next_history (count, key)
-     int count, key;
-{
-  HIST_ENTRY *temp;
-
-  if (count < 0)
-    return (rl_get_previous_history (-count, key));
-
-  if (count == 0)
-    return 0;
-
-  rl_maybe_replace_line ();
-
-  /* either not saved by rl_newline or at end of line, so set appropriately. */
-  if (_rl_history_saved_point == -1 && (rl_point || rl_end))
-    _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
-
-  temp = (HIST_ENTRY *)NULL;
-  while (count)
-    {
-      temp = next_history ();
-      if (!temp)
-	break;
-      --count;
-    }
-
-  if (temp == 0)
-    rl_maybe_unsave_line ();
-  else
-    {
-      rl_replace_from_history (temp, 0);
-      _rl_history_set_point ();
-    }
-  return 0;
-}
-
-/* Get the previous item out of our interactive history, making it the current
-   line.  If there is no previous history, just ding. */
-int
-rl_get_previous_history (count, key)
-     int count, key;
-{
-  HIST_ENTRY *old_temp, *temp;
-
-  if (count < 0)
-    return (rl_get_next_history (-count, key));
-
-  if (count == 0)
-    return 0;
-
-  /* either not saved by rl_newline or at end of line, so set appropriately. */
-  if (_rl_history_saved_point == -1 && (rl_point || rl_end))
-    _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
-
-  /* If we don't have a line saved, then save this one. */
-  rl_maybe_save_line ();
-
-  /* If the current line has changed, save the changes. */
-  rl_maybe_replace_line ();
-
-  temp = old_temp = (HIST_ENTRY *)NULL;
-  while (count)
-    {
-      temp = previous_history ();
-      if (temp == 0)
-	break;
-
-      old_temp = temp;
-      --count;
-    }
-
-  /* If there was a large argument, and we moved back to the start of the
-     history, that is not an error.  So use the last value found. */
-  if (!temp && old_temp)
-    temp = old_temp;
-
-  if (temp == 0)
-    rl_ding ();
-  else
-    {
-      rl_replace_from_history (temp, 0);
-      _rl_history_set_point ();
-    }
-
-  return 0;
-}
-
-/* **************************************************************** */
-/*								    */
-/*			    Editing Modes			    */
-/*								    */
-/* **************************************************************** */
-/* How to toggle back and forth between editing modes. */
-int
-rl_vi_editing_mode (count, key)
-     int count __attribute__((unused)), key;
-{
-#if defined (VI_MODE)
-  _rl_set_insert_mode (RL_IM_INSERT, 1);	/* vi mode ignores insert mode */
-  rl_editing_mode = vi_mode;
-  rl_vi_insertion_mode (1, key);
-#endif /* VI_MODE */
-
-  return 0;
-}
-
-int
-rl_emacs_editing_mode (count, key)
-     int count __attribute__((unused)), key __attribute__((unused));
-{
-  rl_editing_mode = emacs_mode;
-  _rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
-  _rl_keymap = emacs_standard_keymap;
-  return 0;
-}
-
-/* Function for the rest of the library to use to set insert/overwrite mode. */
-void
-_rl_set_insert_mode (im, force)
-     int im, force __attribute__((unused));
-{
-#ifdef CURSOR_MODE
-  _rl_set_cursor (im, force);
-#endif
-
-  rl_insert_mode = im;
-}
-
-/* Toggle overwrite mode.  A positive explicit argument selects overwrite
-   mode.  A negative or zero explicit argument selects insert mode. */
-int
-rl_overwrite_mode (count, key)
-     int count, key __attribute__((unused));
-{
-  if (rl_explicit_arg == 0)
-    _rl_set_insert_mode (rl_insert_mode ^ 1, 0);
-  else if (count > 0)
-    _rl_set_insert_mode (RL_IM_OVERWRITE, 0);
-  else
-    _rl_set_insert_mode (RL_IM_INSERT, 0);
-
-  return 0;
-}