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diff --git a/extra/readline/funmap.c b/extra/readline/funmap.c
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+/* funmap.c -- attach names to functions. */
+
+/* Copyright (C) 1987, 1989, 1992 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 02110-1335 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+# include "config_readline.h"
+#endif
+
+#if !defined (BUFSIZ)
+#include <stdio.h>
+#endif /* BUFSIZ */
+
+#if defined (HAVE_STDLIB_H)
+# include <stdlib.h>
+#else
+# include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include "rlconf.h"
+#include "readline.h"
+
+#include "xmalloc.h"
+
+#ifdef __STDC__
+typedef int QSFUNC (const void *, const void *);
+#else
+typedef int QSFUNC ();
+#endif
+
+extern int _rl_qsort_string_compare PARAMS((char **, char **));
+
+FUNMAP **funmap;
+static int funmap_size;
+static int funmap_entry;
+
+/* After initializing the function map, this is the index of the first
+ program specific function. */
+int funmap_program_specific_entry_start;
+
+static FUNMAP default_funmap[] = {
+ { "abort", rl_abort },
+ { "accept-line", rl_newline },
+ { "arrow-key-prefix", rl_arrow_keys },
+ { "backward-byte", rl_backward_byte },
+ { "backward-char", rl_backward_char },
+ { "backward-delete-char", rl_rubout },
+ { "backward-kill-line", rl_backward_kill_line },
+ { "backward-kill-word", rl_backward_kill_word },
+ { "backward-word", rl_backward_word },
+ { "beginning-of-history", rl_beginning_of_history },
+ { "beginning-of-line", rl_beg_of_line },
+ { "call-last-kbd-macro", rl_call_last_kbd_macro },
+ { "capitalize-word", rl_capitalize_word },
+ { "character-search", rl_char_search },
+ { "character-search-backward", rl_backward_char_search },
+ { "clear-screen", rl_clear_screen },
+ { "complete", rl_complete },
+ { "copy-backward-word", rl_copy_backward_word },
+ { "copy-forward-word", rl_copy_forward_word },
+ { "copy-region-as-kill", rl_copy_region_to_kill },
+ { "delete-char", rl_delete },
+ { "delete-char-or-list", rl_delete_or_show_completions },
+ { "delete-horizontal-space", rl_delete_horizontal_space },
+ { "digit-argument", rl_digit_argument },
+ { "do-lowercase-version", rl_do_lowercase_version },
+ { "downcase-word", rl_downcase_word },
+ { "dump-functions", rl_dump_functions },
+ { "dump-macros", rl_dump_macros },
+ { "dump-variables", rl_dump_variables },
+ { "emacs-editing-mode", rl_emacs_editing_mode },
+ { "end-kbd-macro", rl_end_kbd_macro },
+ { "end-of-history", rl_end_of_history },
+ { "end-of-line", rl_end_of_line },
+ { "exchange-point-and-mark", rl_exchange_point_and_mark },
+ { "forward-backward-delete-char", rl_rubout_or_delete },
+ { "forward-byte", rl_forward_byte },
+ { "forward-char", rl_forward_char },
+ { "forward-search-history", rl_forward_search_history },
+ { "forward-word", rl_forward_word },
+ { "history-search-backward", rl_history_search_backward },
+ { "history-search-forward", rl_history_search_forward },
+ { "insert-comment", rl_insert_comment },
+ { "insert-completions", rl_insert_completions },
+ { "kill-whole-line", rl_kill_full_line },
+ { "kill-line", rl_kill_line },
+ { "kill-region", rl_kill_region },
+ { "kill-word", rl_kill_word },
+ { "menu-complete", rl_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 },
+ { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
+ { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
+ { "overwrite-mode", rl_overwrite_mode },
+#ifdef __CYGWIN__
+ { "paste-from-clipboard", rl_paste_from_clipboard },
+#endif
+ { "possible-completions", rl_possible_completions },
+ { "previous-history", rl_get_previous_history },
+ { "quoted-insert", rl_quoted_insert },
+ { "re-read-init-file", rl_re_read_init_file },
+ { "redraw-current-line", rl_refresh_line},
+ { "reverse-search-history", rl_reverse_search_history },
+ { "revert-line", rl_revert_line },
+ { "self-insert", rl_insert },
+ { "set-mark", rl_set_mark },
+ { "start-kbd-macro", rl_start_kbd_macro },
+ { "tab-insert", rl_tab_insert },
+ { "tilde-expand", rl_tilde_expand },
+ { "transpose-chars", rl_transpose_chars },
+ { "transpose-words", rl_transpose_words },
+ { "tty-status", rl_tty_status },
+ { "undo", rl_undo_command },
+ { "universal-argument", rl_universal_argument },
+ { "unix-filename-rubout", rl_unix_filename_rubout },
+ { "unix-line-discard", rl_unix_line_discard },
+ { "unix-word-rubout", rl_unix_word_rubout },
+ { "upcase-word", rl_upcase_word },
+ { "yank", rl_yank },
+ { "yank-last-arg", rl_yank_last_arg },
+ { "yank-nth-arg", rl_yank_nth_arg },
+ { "yank-pop", rl_yank_pop },
+
+#if defined (VI_MODE)
+ { "vi-append-eol", rl_vi_append_eol },
+ { "vi-append-mode", rl_vi_append_mode },
+ { "vi-arg-digit", rl_vi_arg_digit },
+ { "vi-back-to-indent", rl_vi_back_to_indent },
+ { "vi-bWord", rl_vi_bWord },
+ { "vi-bword", rl_vi_bword },
+ { "vi-change-case", rl_vi_change_case },
+ { "vi-change-char", rl_vi_change_char },
+ { "vi-change-to", rl_vi_change_to },
+ { "vi-char-search", rl_vi_char_search },
+ { "vi-column", rl_vi_column },
+ { "vi-complete", rl_vi_complete },
+ { "vi-delete", rl_vi_delete },
+ { "vi-delete-to", rl_vi_delete_to },
+ { "vi-eWord", rl_vi_eWord },
+ { "vi-editing-mode", rl_vi_editing_mode },
+ { "vi-end-word", rl_vi_end_word },
+ { "vi-eof-maybe", rl_vi_eof_maybe },
+ { "vi-eword", rl_vi_eword },
+ { "vi-fWord", rl_vi_fWord },
+ { "vi-fetch-history", rl_vi_fetch_history },
+ { "vi-first-print", rl_vi_first_print },
+ { "vi-fword", rl_vi_fword },
+ { "vi-goto-mark", rl_vi_goto_mark },
+ { "vi-insert-beg", rl_vi_insert_beg },
+ { "vi-insertion-mode", rl_vi_insertion_mode },
+ { "vi-match", rl_vi_match },
+ { "vi-movement-mode", rl_vi_movement_mode },
+ { "vi-next-word", rl_vi_next_word },
+ { "vi-overstrike", rl_vi_overstrike },
+ { "vi-overstrike-delete", rl_vi_overstrike_delete },
+ { "vi-prev-word", rl_vi_prev_word },
+ { "vi-put", rl_vi_put },
+ { "vi-redo", rl_vi_redo },
+ { "vi-replace", rl_vi_replace },
+ { "vi-rubout", rl_vi_rubout },
+ { "vi-search", rl_vi_search },
+ { "vi-search-again", rl_vi_search_again },
+ { "vi-set-mark", rl_vi_set_mark },
+ { "vi-subst", rl_vi_subst },
+ { "vi-tilde-expand", rl_vi_tilde_expand },
+ { "vi-yank-arg", rl_vi_yank_arg },
+ { "vi-yank-to", rl_vi_yank_to },
+#endif /* VI_MODE */
+
+ {(char *)NULL, (rl_command_func_t *)NULL }
+};
+
+int
+rl_add_funmap_entry (name, function)
+ const char *name;
+ rl_command_func_t *function;
+{
+ if (funmap_entry + 2 >= funmap_size)
+ {
+ funmap_size += 64;
+ funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
+ }
+
+ funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
+ funmap[funmap_entry]->name = name;
+ funmap[funmap_entry]->function = function;
+
+ funmap[++funmap_entry] = (FUNMAP *)NULL;
+ return funmap_entry;
+}
+
+static int funmap_initialized;
+
+/* Make the funmap contain all of the default entries. */
+void
+rl_initialize_funmap ()
+{
+ register int i;
+
+ if (funmap_initialized)
+ return;
+
+ for (i = 0; default_funmap[i].name; i++)
+ rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
+
+ funmap_initialized = 1;
+ funmap_program_specific_entry_start = i;
+}
+
+/* Produce a NULL terminated array of known function names. The array
+ is sorted. The array itself is allocated, but not the strings inside.
+ You should free () the array when you done, but not the pointrs. */
+const char **
+rl_funmap_names ()
+{
+ const char **result;
+ int result_size, result_index;
+
+ /* Make sure that the function map has been initialized. */
+ rl_initialize_funmap ();
+
+ for (result_index = result_size = 0, result = (const char **)NULL; funmap[result_index]; result_index++)
+ {
+ if (result_index + 2 > result_size)
+ {
+ result_size += 20;
+ result = (const char **)xrealloc (result, result_size * sizeof (char *));
+ }
+
+ result[result_index] = funmap[result_index]->name;
+ result[result_index + 1] = (char *)NULL;
+ }
+
+ qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
+ return (result);
+}