mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-07-05 19:30:49 +02:00
bash-20110622 remove leftover and stray files
This commit is contained in:
Chet Ramey
@@ -1,507 +0,0 @@
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/* rlprivate.h -- functions and variables global to the readline library,
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but not intended for use by applications. */
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/* Copyright (C) 1999-2010 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library (Readline), a library
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for reading lines of text with interactive input and history editing.
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Readline is free software: you can redistribute it and/or modify
|
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation, either version 3 of the License, or
|
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(at your option) any later version.
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Readline is distributed in the hope that it will be useful,
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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.
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You should have received a copy of the GNU General Public License
|
||||
along with Readline. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined (_RL_PRIVATE_H_)
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#define _RL_PRIVATE_H_
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#include "rlconf.h" /* for VISIBLE_STATS */
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#include "rlstdc.h"
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#include "posixjmp.h" /* defines procenv_t */
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/*************************************************************************
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* *
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* Convenience definitions *
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* *
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*************************************************************************/
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#define EMACS_MODE() (rl_editing_mode == emacs_mode)
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#define VI_COMMAND_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
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#define VI_INSERT_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_insertion_keymap)
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#define RL_CHECK_SIGNALS() \
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do { \
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if (_rl_caught_signal) _rl_signal_handler (_rl_caught_signal); \
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} while (0)
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/*************************************************************************
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* *
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* Global structs undocumented in texinfo manual and not in readline.h *
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* *
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*************************************************************************/
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/* search types */
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#define RL_SEARCH_ISEARCH 0x01 /* incremental search */
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#define RL_SEARCH_NSEARCH 0x02 /* non-incremental search */
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#define RL_SEARCH_CSEARCH 0x04 /* intra-line char search */
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/* search flags */
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#define SF_REVERSE 0x01
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#define SF_FOUND 0x02
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#define SF_FAILED 0x04
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#define SF_CHGKMAP 0x08
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typedef struct __rl_search_context
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{
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int type;
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int sflags;
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char *search_string;
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int search_string_index;
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int search_string_size;
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char **lines;
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char *allocated_line;
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int hlen;
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int hindex;
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int save_point;
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int save_mark;
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int save_line;
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int last_found_line;
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char *prev_line_found;
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UNDO_LIST *save_undo_list;
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Keymap keymap; /* used when dispatching commands in search string */
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Keymap okeymap; /* original keymap */
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int history_pos;
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int direction;
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int lastc;
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#if defined (HANDLE_MULTIBYTE)
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char mb[MB_LEN_MAX];
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#endif
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char *sline;
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int sline_len;
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int sline_index;
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char *search_terminators;
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} _rl_search_cxt;
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/* Callback data for reading numeric arguments */
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#define NUM_SAWMINUS 0x01
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#define NUM_SAWDIGITS 0x02
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#define NUM_READONE 0x04
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typedef int _rl_arg_cxt;
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/* A context for reading key sequences longer than a single character when
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using the callback interface. */
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#define KSEQ_DISPATCHED 0x01
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#define KSEQ_SUBSEQ 0x02
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#define KSEQ_RECURSIVE 0x04
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typedef struct __rl_keyseq_context
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{
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int flags;
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int subseq_arg;
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int subseq_retval; /* XXX */
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Keymap dmap;
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Keymap oldmap;
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int okey;
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struct __rl_keyseq_context *ocxt;
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int childval;
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} _rl_keyseq_cxt;
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/* vi-mode commands that use result of motion command to define boundaries */
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#define VIM_DELETE 0x01
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#define VIM_CHANGE 0x02
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#define VIM_YANK 0x04
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/* various states for vi-mode commands that use motion commands. reflects
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RL_READLINE_STATE */
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#define VMSTATE_READ 0x01
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#define VMSTATE_NUMARG 0x02
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typedef struct __rl_vimotion_context
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{
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int op;
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int state;
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int flags; /* reserved */
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_rl_arg_cxt ncxt;
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int numeric_arg;
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int start, end; /* rl_point, rl_end */
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int key, motion; /* initial key, motion command */
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} _rl_vimotion_cxt;
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/* fill in more as needed */
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/* `Generic' callback data and functions */
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typedef struct __rl_callback_generic_arg
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{
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int count;
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int i1, i2;
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/* add here as needed */
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} _rl_callback_generic_arg;
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typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
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/*************************************************************************
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* *
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* Global functions undocumented in texinfo manual and not in readline.h *
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* *
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*************************************************************************/
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|
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/*************************************************************************
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* *
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* Global variables undocumented in texinfo manual and not in readline.h *
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* *
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*************************************************************************/
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/* complete.c */
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extern int rl_complete_with_tilde_expansion;
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#if defined (VISIBLE_STATS)
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extern int rl_visible_stats;
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#endif /* VISIBLE_STATS */
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/* readline.c */
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extern int rl_line_buffer_len;
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extern int rl_arg_sign;
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extern int rl_visible_prompt_length;
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extern int rl_key_sequence_length;
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extern int rl_byte_oriented;
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/* display.c */
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extern int rl_display_fixed;
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/* parens.c */
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extern int rl_blink_matching_paren;
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/*************************************************************************
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* *
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* Global functions and variables unsed and undocumented *
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* *
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*************************************************************************/
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/* kill.c */
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extern int rl_set_retained_kills PARAMS((int));
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/* terminal.c */
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extern void _rl_set_screen_size PARAMS((int, int));
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/* undo.c */
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extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));
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/* util.c */
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extern char *_rl_savestring PARAMS((const char *));
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/*************************************************************************
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* *
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* Functions and variables private to the readline library *
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* *
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*************************************************************************/
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/* NOTE: Functions and variables prefixed with `_rl_' are
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pseudo-global: they are global so they can be shared
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between files in the readline library, but are not intended
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to be visible to readline callers. */
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/*************************************************************************
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* Undocumented private functions *
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*************************************************************************/
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#if defined(READLINE_CALLBACKS)
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/* readline.c */
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extern void readline_internal_setup PARAMS((void));
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extern char *readline_internal_teardown PARAMS((int));
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extern int readline_internal_char PARAMS((void));
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extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
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extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
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extern void _rl_keyseq_chain_dispose PARAMS((void));
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extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
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/* callback.c */
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extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
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extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
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#endif /* READLINE_CALLBACKS */
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/* bind.c */
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/* complete.c */
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extern void _rl_reset_completion_state PARAMS((void));
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extern char _rl_find_completion_word PARAMS((int *, int *));
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extern void _rl_free_match_list PARAMS((char **));
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/* display.c */
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extern char *_rl_strip_prompt PARAMS((char *));
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extern void _rl_move_cursor_relative PARAMS((int, const char *));
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extern void _rl_move_vert PARAMS((int));
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extern void _rl_save_prompt PARAMS((void));
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extern void _rl_restore_prompt PARAMS((void));
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extern char *_rl_make_prompt_for_search PARAMS((int));
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extern void _rl_erase_at_end_of_line PARAMS((int));
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extern void _rl_clear_to_eol PARAMS((int));
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extern void _rl_clear_screen PARAMS((void));
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extern void _rl_update_final PARAMS((void));
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extern void _rl_redisplay_after_sigwinch PARAMS((void));
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extern void _rl_clean_up_for_exit PARAMS((void));
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extern void _rl_erase_entire_line PARAMS((void));
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extern int _rl_current_display_line PARAMS((void));
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/* input.c */
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extern int _rl_any_typein PARAMS((void));
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extern int _rl_input_available PARAMS((void));
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extern int _rl_input_queued PARAMS((int));
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extern void _rl_insert_typein PARAMS((int));
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extern int _rl_unget_char PARAMS((int));
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extern int _rl_pushed_input_available PARAMS((void));
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/* isearch.c */
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extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
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extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
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extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
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extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
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extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
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/* macro.c */
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extern void _rl_with_macro_input PARAMS((char *));
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extern int _rl_next_macro_key PARAMS((void));
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extern void _rl_push_executing_macro PARAMS((void));
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extern void _rl_pop_executing_macro PARAMS((void));
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extern void _rl_add_macro_char PARAMS((int));
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extern void _rl_kill_kbd_macro PARAMS((void));
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/* misc.c */
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extern int _rl_arg_overflow PARAMS((void));
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extern void _rl_arg_init PARAMS((void));
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extern int _rl_arg_getchar PARAMS((void));
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extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
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extern void _rl_reset_argument PARAMS((void));
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extern void _rl_start_using_history PARAMS((void));
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extern int _rl_free_saved_history_line PARAMS((void));
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extern void _rl_set_insert_mode PARAMS((int, int));
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extern void _rl_revert_all_lines PARAMS((void));
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/* nls.c */
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extern int _rl_init_eightbit PARAMS((void));
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/* parens.c */
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extern void _rl_enable_paren_matching PARAMS((int));
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/* readline.c */
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extern void _rl_init_line_state PARAMS((void));
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extern void _rl_set_the_line PARAMS((void));
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extern int _rl_dispatch PARAMS((int, Keymap));
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extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
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extern void _rl_internal_char_cleanup PARAMS((void));
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/* rltty.c */
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extern int _rl_disable_tty_signals PARAMS((void));
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extern int _rl_restore_tty_signals PARAMS((void));
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/* search.c */
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extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
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/* signals.c */
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extern void _rl_signal_handler PARAMS((int));
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extern void _rl_block_sigint PARAMS((void));
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extern void _rl_release_sigint PARAMS((void));
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extern void _rl_block_sigwinch PARAMS((void));
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extern void _rl_release_sigwinch PARAMS((void));
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/* terminal.c */
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extern void _rl_get_screen_size PARAMS((int, int));
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e
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extern int _rl_init_terminal_io PARAMS((const char *));
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#ifdef _MINIX
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extern void _rl_output_character_function PARAMS((int));
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#else
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extern int _rl_output_character_function PARAMS((int));
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#endif
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extern void _rl_output_some_chars PARAMS((const char *, int));
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extern int _rl_backspace PARAMS((int));
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extern void _rl_enable_meta_key PARAMS((void));
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extern void _rl_control_keypad PARAMS((int));
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extern void _rl_set_cursor PARAMS((int, int));
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/* text.c */
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extern void _rl_fix_point PARAMS((int));
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extern int _rl_replace_text PARAMS((const char *, int, int));
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extern int _rl_forward_char_internal PARAMS((int));
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||||
extern int _rl_insert_char PARAMS((int, int));
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||||
extern int _rl_overwrite_char PARAMS((int, int));
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extern int _rl_overwrite_rubout PARAMS((int, int));
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||||
extern int _rl_rubout_char PARAMS((int, int));
|
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#if defined (HANDLE_MULTIBYTE)
|
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extern int _rl_char_search_internal PARAMS((int, int, char *, int));
|
||||
#else
|
||||
extern int _rl_char_search_internal PARAMS((int, int, int));
|
||||
#endif
|
||||
extern int _rl_set_mark_at_pos PARAMS((int));
|
||||
|
||||
/* undo.c */
|
||||
extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *));
|
||||
extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *));
|
||||
|
||||
/* util.c */
|
||||
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
|
||||
extern void _rl_ttymsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
extern void _rl_errmsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
extern void _rl_trace (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
#else
|
||||
extern void _rl_ttymsg ();
|
||||
extern void _rl_errmsg ();
|
||||
extern void _rl_trace ();
|
||||
#endif
|
||||
|
||||
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));
|
||||
extern int (_rl_lowercase_p) PARAMS((int));
|
||||
extern int (_rl_pure_alphabetic) PARAMS((int));
|
||||
extern int (_rl_digit_p) PARAMS((int));
|
||||
extern int (_rl_to_lower) PARAMS((int));
|
||||
extern int (_rl_to_upper) PARAMS((int));
|
||||
extern int (_rl_digit_value) PARAMS((int));
|
||||
|
||||
/* vi_mode.c */
|
||||
extern void _rl_vi_initialize_line PARAMS((void));
|
||||
extern void _rl_vi_reset_last PARAMS((void));
|
||||
extern void _rl_vi_set_last PARAMS((int, int, int));
|
||||
extern int _rl_vi_textmod_command PARAMS((int));
|
||||
extern void _rl_vi_done_inserting PARAMS((void));
|
||||
extern int _rl_vi_domove_callback PARAMS((_rl_vimotion_cxt *));
|
||||
|
||||
/*************************************************************************
|
||||
* Undocumented private variables *
|
||||
*************************************************************************/
|
||||
|
||||
/* bind.c */
|
||||
extern const char * const _rl_possible_control_prefixes[];
|
||||
extern const char * const _rl_possible_meta_prefixes[];
|
||||
|
||||
/* callback.c */
|
||||
extern _rl_callback_func_t *_rl_callback_func;
|
||||
extern _rl_callback_generic_arg *_rl_callback_data;
|
||||
|
||||
/* complete.c */
|
||||
extern int _rl_complete_show_all;
|
||||
extern int _rl_complete_show_unmodified;
|
||||
extern int _rl_complete_mark_directories;
|
||||
extern int _rl_complete_mark_symlink_dirs;
|
||||
extern int _rl_completion_prefix_display_length;
|
||||
extern int _rl_completion_columns;
|
||||
extern int _rl_print_completions_horizontally;
|
||||
extern int _rl_completion_case_fold;
|
||||
extern int _rl_completion_case_map;
|
||||
extern int _rl_match_hidden_files;
|
||||
extern int _rl_page_completions;
|
||||
extern int _rl_skip_completed_text;
|
||||
extern int _rl_menu_complete_prefix_first;
|
||||
|
||||
/* display.c */
|
||||
extern int _rl_vis_botlin;
|
||||
extern int _rl_last_c_pos;
|
||||
extern int _rl_suppress_redisplay;
|
||||
extern int _rl_want_redisplay;
|
||||
|
||||
/* isearch.c */
|
||||
extern char *_rl_isearch_terminators;
|
||||
|
||||
extern _rl_search_cxt *_rl_iscxt;
|
||||
|
||||
/* macro.c */
|
||||
extern char *_rl_executing_macro;
|
||||
|
||||
/* misc.c */
|
||||
extern int _rl_history_preserve_point;
|
||||
extern int _rl_history_saved_point;
|
||||
|
||||
extern _rl_arg_cxt _rl_argcxt;
|
||||
|
||||
/* readline.c */
|
||||
extern int _rl_echoing_p;
|
||||
extern int _rl_horizontal_scroll_mode;
|
||||
extern int _rl_mark_modified_lines;
|
||||
extern int _rl_bell_preference;
|
||||
extern int _rl_meta_flag;
|
||||
extern int _rl_convert_meta_chars_to_ascii;
|
||||
extern int _rl_output_meta_chars;
|
||||
extern int _rl_bind_stty_chars;
|
||||
extern int _rl_revert_all_at_newline;
|
||||
extern int _rl_echo_control_chars;
|
||||
extern char *_rl_comment_begin;
|
||||
extern unsigned char _rl_parsing_conditionalized_out;
|
||||
extern Keymap _rl_keymap;
|
||||
extern FILE *_rl_in_stream;
|
||||
extern FILE *_rl_out_stream;
|
||||
extern int _rl_last_command_was_kill;
|
||||
extern int _rl_eof_char;
|
||||
extern procenv_t _rl_top_level;
|
||||
extern _rl_keyseq_cxt *_rl_kscxt;
|
||||
|
||||
/* search.c */
|
||||
extern _rl_search_cxt *_rl_nscxt;
|
||||
|
||||
/* signals.c */
|
||||
extern int _rl_interrupt_immediately;
|
||||
extern int volatile _rl_caught_signal;
|
||||
|
||||
extern int _rl_echoctl;
|
||||
|
||||
extern int _rl_intr_char;
|
||||
extern int _rl_quit_char;
|
||||
extern int _rl_susp_char;
|
||||
|
||||
/* terminal.c */
|
||||
extern int _rl_enable_keypad;
|
||||
extern int _rl_enable_meta;
|
||||
extern char *_rl_term_clreol;
|
||||
extern char *_rl_term_clrpag;
|
||||
extern char *_rl_term_im;
|
||||
extern char *_rl_term_ic;
|
||||
extern char *_rl_term_ei;
|
||||
extern char *_rl_term_DC;
|
||||
extern char *_rl_term_up;
|
||||
extern char *_rl_term_dc;
|
||||
extern char *_rl_term_cr;
|
||||
extern char *_rl_term_IC;
|
||||
extern char *_rl_term_forward_char;
|
||||
extern int _rl_screenheight;
|
||||
extern int _rl_screenwidth;
|
||||
extern int _rl_screenchars;
|
||||
extern int _rl_terminal_can_insert;
|
||||
extern int _rl_term_autowrap;
|
||||
|
||||
/* undo.c */
|
||||
extern int _rl_doing_an_undo;
|
||||
extern int _rl_undo_group_level;
|
||||
|
||||
/* vi_mode.c */
|
||||
extern int _rl_vi_last_command;
|
||||
extern _rl_vimotion_cxt *_rl_vimvcxt;
|
||||
|
||||
#endif /* _RL_PRIVATE_H_ */
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -1,76 +0,0 @@
|
||||
# This makefile for Readline library documentation is in -*- text -*- mode.
|
||||
# Emacs likes it that way.
|
||||
RM = rm -f
|
||||
|
||||
MAKEINFO = makeinfo
|
||||
TEXI2DVI = texi2dvi
|
||||
TEXI2HTML = texi2html
|
||||
QUIETPS = #set this to -q to shut up dvips
|
||||
DVIPS = dvips -D 300 $(QUIETPS) -o $@ # tricky
|
||||
|
||||
INSTALL_DATA = cp
|
||||
infodir = /usr/local/info
|
||||
|
||||
RLSRC = rlman.texinfo rluser.texinfo rltech.texinfo
|
||||
HISTSRC = hist.texinfo hsuser.texinfo hstech.texinfo
|
||||
|
||||
DVIOBJ = readline.dvi history.dvi
|
||||
INFOOBJ = readline.info history.info
|
||||
PSOBJ = readline.ps history.ps
|
||||
HTMLOBJ = readline.html history.html
|
||||
|
||||
all: info dvi html ps
|
||||
nodvi: info html
|
||||
|
||||
readline.dvi: $(RLSRC)
|
||||
$(TEXI2DVI) rlman.texinfo
|
||||
mv rlman.dvi readline.dvi
|
||||
|
||||
readline.info: $(RLSRC)
|
||||
$(MAKEINFO) --no-split -o $@ rlman.texinfo
|
||||
|
||||
history.dvi: ${HISTSRC}
|
||||
$(TEXI2DVI) hist.texinfo
|
||||
mv hist.dvi history.dvi
|
||||
|
||||
history.info: ${HISTSRC}
|
||||
$(MAKEINFO) --no-split -o $@ hist.texinfo
|
||||
|
||||
readline.ps: readline.dvi
|
||||
$(RM) $@
|
||||
$(DVIPS) readline.dvi
|
||||
|
||||
history.ps: history.dvi
|
||||
$(RM) $@
|
||||
$(DVIPS) history.dvi
|
||||
|
||||
readline.html: ${RLSRC}
|
||||
$(TEXI2HTML) rlman.texinfo
|
||||
sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman.html > readline.html
|
||||
sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman_toc.html > readline_toc.html
|
||||
$(RM) rlman.html rlman_toc.html
|
||||
|
||||
history.html: ${HISTSRC}
|
||||
$(TEXI2HTML) hist.texinfo
|
||||
sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist.html > history.html
|
||||
sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist_toc.html > history_toc.html
|
||||
$(RM) hist.html hist_toc.html
|
||||
|
||||
info: $(INFOOBJ)
|
||||
dvi: $(DVIOBJ)
|
||||
ps: $(PSOBJ)
|
||||
html: $(HTMLOBJ)
|
||||
|
||||
clean:
|
||||
$(RM) *.aux *.cp *.fn *.ky *.log *.pg *.toc *.tp *.vr *.cps *.pgs \
|
||||
*.fns *.kys *.tps *.vrs *.o core
|
||||
|
||||
distclean: clean
|
||||
mostlyclean: clean
|
||||
|
||||
maintainer-clean: clean
|
||||
$(RM) *.dvi *.info *.info-* *.ps *.html
|
||||
|
||||
install: info
|
||||
${INSTALL_DATA} readline.info $(infodir)/readline.info
|
||||
${INSTALL_DATA} history.info $(infodir)/history.info
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -1,263 +0,0 @@
|
||||
/* funmap.c -- attach names to functions. */
|
||||
|
||||
/* Copyright (C) 1987-2010 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 (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 const 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 },
|
||||
{ "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 },
|
||||
{ "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
|
||||
{ "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
|
||||
{ "old-menu-complete", rl_old_menu_complete },
|
||||
{ "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 },
|
||||
{ "skip-csi-sequence", rl_skip_csi_sequence },
|
||||
{ "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-backward-bigword", rl_vi_bWord },
|
||||
{ "vi-backward-word", rl_vi_bword },
|
||||
{ "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-bigword", rl_vi_eWord },
|
||||
{ "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-forward-bigword", rl_vi_fWord },
|
||||
{ "vi-forward-word", rl_vi_fword },
|
||||
{ "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);
|
||||
}
|
||||
@@ -1,581 +0,0 @@
|
||||
/* histfile.c - functions to manipulate the history file. */
|
||||
|
||||
/* Copyright (C) 1989-2010 Free Software Foundation, Inc.
|
||||
|
||||
This file contains the GNU History Library (History), a set of
|
||||
routines for managing the text of previously typed lines.
|
||||
|
||||
History 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.
|
||||
|
||||
History 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 History. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* The goal is to make the implementation transparent, so that you
|
||||
don't have to know what data types are used, just what functions
|
||||
you can call. I think I have done that. */
|
||||
|
||||
#define READLINE_LIBRARY
|
||||
|
||||
#if defined (__TANDEM)
|
||||
# include <floss.h>
|
||||
#endif
|
||||
|
||||
#if defined (HAVE_CONFIG_H)
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#if ! defined (_MINIX) && defined (HAVE_SYS_FILE_H)
|
||||
# include <sys/file.h>
|
||||
#endif
|
||||
#include "posixstat.h"
|
||||
#include <fcntl.h>
|
||||
|
||||
#if defined (HAVE_STDLIB_H)
|
||||
# include <stdlib.h>
|
||||
#else
|
||||
# include "ansi_stdlib.h"
|
||||
#endif /* HAVE_STDLIB_H */
|
||||
|
||||
#if defined (HAVE_UNISTD_H)
|
||||
# include <unistd.h>
|
||||
#endif
|
||||
|
||||
#include <ctype.h>
|
||||
|
||||
#if defined (__EMX__)
|
||||
# undef HAVE_MMAP
|
||||
#endif
|
||||
|
||||
#ifdef HISTORY_USE_MMAP
|
||||
# include <sys/mman.h>
|
||||
|
||||
# ifdef MAP_FILE
|
||||
# define MAP_RFLAGS (MAP_FILE|MAP_PRIVATE)
|
||||
# define MAP_WFLAGS (MAP_FILE|MAP_SHARED)
|
||||
# else
|
||||
# define MAP_RFLAGS MAP_PRIVATE
|
||||
# define MAP_WFLAGS MAP_SHARED
|
||||
# endif
|
||||
|
||||
# ifndef MAP_FAILED
|
||||
# define MAP_FAILED ((void *)-1)
|
||||
# endif
|
||||
|
||||
#endif /* HISTORY_USE_MMAP */
|
||||
|
||||
/* If we're compiling for __EMX__ (OS/2) or __CYGWIN__ (cygwin32 environment
|
||||
on win 95/98/nt), we want to open files with O_BINARY mode so that there
|
||||
is no \n -> \r\n conversion performed. On other systems, we don't want to
|
||||
mess around with O_BINARY at all, so we ensure that it's defined to 0. */
|
||||
#if defined (__EMX__) || defined (__CYGWIN__)
|
||||
# ifndef O_BINARY
|
||||
# define O_BINARY 0
|
||||
# endif
|
||||
#else /* !__EMX__ && !__CYGWIN__ */
|
||||
# undef O_BINARY
|
||||
# define O_BINARY 0
|
||||
#endif /* !__EMX__ && !__CYGWIN__ */
|
||||
|
||||
#include <errno.h>
|
||||
#if !defined (errno)
|
||||
extern int errno;
|
||||
#endif /* !errno */
|
||||
|
||||
#include "history.h"
|
||||
#include "histlib.h"
|
||||
|
||||
#include "rlshell.h"
|
||||
#include "xmalloc.h"
|
||||
|
||||
/* If non-zero, we write timestamps to the history file in history_do_write() */
|
||||
int history_write_timestamps = 0;
|
||||
|
||||
/* Does S look like the beginning of a history timestamp entry? Placeholder
|
||||
for more extensive tests. */
|
||||
#define HIST_TIMESTAMP_START(s) (*(s) == history_comment_char && isdigit ((s)[1]) )
|
||||
|
||||
/* Return the string that should be used in the place of this
|
||||
filename. This only matters when you don't specify the
|
||||
filename to read_history (), or write_history (). */
|
||||
static char *
|
||||
history_filename (filename)
|
||||
const char *filename;
|
||||
{
|
||||
char *return_val;
|
||||
const char *home;
|
||||
int home_len;
|
||||
|
||||
return_val = filename ? savestring (filename) : (char *)NULL;
|
||||
|
||||
if (return_val)
|
||||
return (return_val);
|
||||
|
||||
home = sh_get_env_value ("HOME");
|
||||
|
||||
if (home == 0)
|
||||
return (NULL);
|
||||
else
|
||||
home_len = strlen (home);
|
||||
|
||||
return_val = (char *)xmalloc (2 + home_len + 8); /* strlen(".history") == 8 */
|
||||
strcpy (return_val, home);
|
||||
return_val[home_len] = '/';
|
||||
#if defined (__MSDOS__)
|
||||
strcpy (return_val + home_len + 1, "_history");
|
||||
#else
|
||||
strcpy (return_val + home_len + 1, ".history");
|
||||
#endif
|
||||
|
||||
return (return_val);
|
||||
}
|
||||
|
||||
static char *
|
||||
history_backupfile (filename)
|
||||
const char *filename;
|
||||
{
|
||||
char *ret;
|
||||
size_t len;
|
||||
|
||||
len = strlen (filename);
|
||||
ret = xmalloc (len + 2);
|
||||
strcpy (ret, filename);
|
||||
ret[len] = '-';
|
||||
ret[len+1] = '\0';
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Add the contents of FILENAME to the history list, a line at a time.
|
||||
If FILENAME is NULL, then read from ~/.history. Returns 0 if
|
||||
successful, or errno if not. */
|
||||
int
|
||||
read_history (filename)
|
||||
const char *filename;
|
||||
{
|
||||
return (read_history_range (filename, 0, -1));
|
||||
}
|
||||
|
||||
/* Read a range of lines from FILENAME, adding them to the history list.
|
||||
Start reading at the FROM'th line and end at the TO'th. If FROM
|
||||
is zero, start at the beginning. If TO is less than FROM, read
|
||||
until the end of the file. If FILENAME is NULL, then read from
|
||||
~/.history. Returns 0 if successful, or errno if not. */
|
||||
int
|
||||
read_history_range (filename, from, to)
|
||||
const char *filename;
|
||||
int from, to;
|
||||
{
|
||||
register char *line_start, *line_end, *p;
|
||||
char *input, *buffer, *bufend, *last_ts;
|
||||
int file, current_line, chars_read;
|
||||
struct stat finfo;
|
||||
size_t file_size;
|
||||
#if defined (EFBIG)
|
||||
int overflow_errno = EFBIG;
|
||||
#elif defined (EOVERFLOW)
|
||||
int overflow_errno = EOVERFLOW;
|
||||
#else
|
||||
int overflow_errno = EIO;
|
||||
#endif
|
||||
|
||||
buffer = last_ts = (char *)NULL;
|
||||
input = history_filename (filename);
|
||||
file = input ? open (input, O_RDONLY|O_BINARY, 0666) : -1;
|
||||
|
||||
if ((file < 0) || (fstat (file, &finfo) == -1))
|
||||
goto error_and_exit;
|
||||
|
||||
file_size = (size_t)finfo.st_size;
|
||||
|
||||
/* check for overflow on very large files */
|
||||
if (file_size != finfo.st_size || file_size + 1 < file_size)
|
||||
{
|
||||
errno = overflow_errno;
|
||||
goto error_and_exit;
|
||||
}
|
||||
|
||||
#ifdef HISTORY_USE_MMAP
|
||||
/* We map read/write and private so we can change newlines to NULs without
|
||||
affecting the underlying object. */
|
||||
buffer = (char *)mmap (0, file_size, PROT_READ|PROT_WRITE, MAP_RFLAGS, file, 0);
|
||||
if ((void *)buffer == MAP_FAILED)
|
||||
{
|
||||
errno = overflow_errno;
|
||||
goto error_and_exit;
|
||||
}
|
||||
chars_read = file_size;
|
||||
#else
|
||||
buffer = (char *)malloc (file_size + 1);
|
||||
if (buffer == 0)
|
||||
{
|
||||
errno = overflow_errno;
|
||||
goto error_and_exit;
|
||||
}
|
||||
|
||||
chars_read = read (file, buffer, file_size);
|
||||
#endif
|
||||
if (chars_read < 0)
|
||||
{
|
||||
error_and_exit:
|
||||
if (errno != 0)
|
||||
chars_read = errno;
|
||||
else
|
||||
chars_read = EIO;
|
||||
if (file >= 0)
|
||||
close (file);
|
||||
|
||||
FREE (input);
|
||||
#ifndef HISTORY_USE_MMAP
|
||||
FREE (buffer);
|
||||
#endif
|
||||
|
||||
return (chars_read);
|
||||
}
|
||||
|
||||
close (file);
|
||||
|
||||
/* Set TO to larger than end of file if negative. */
|
||||
if (to < 0)
|
||||
to = chars_read;
|
||||
|
||||
/* Start at beginning of file, work to end. */
|
||||
bufend = buffer + chars_read;
|
||||
current_line = 0;
|
||||
|
||||
/* Skip lines until we are at FROM. */
|
||||
for (line_start = line_end = buffer; line_end < bufend && current_line < from; line_end++)
|
||||
if (*line_end == '\n')
|
||||
{
|
||||
p = line_end + 1;
|
||||
/* If we see something we think is a timestamp, continue with this
|
||||
line. We should check more extensively here... */
|
||||
if (HIST_TIMESTAMP_START(p) == 0)
|
||||
current_line++;
|
||||
line_start = p;
|
||||
}
|
||||
|
||||
/* If there are lines left to gobble, then gobble them now. */
|
||||
for (line_end = line_start; line_end < bufend; line_end++)
|
||||
if (*line_end == '\n')
|
||||
{
|
||||
/* Change to allow Windows-like \r\n end of line delimiter. */
|
||||
if (line_end > line_start && line_end[-1] == '\r')
|
||||
line_end[-1] = '\0';
|
||||
else
|
||||
*line_end = '\0';
|
||||
|
||||
if (*line_start)
|
||||
{
|
||||
if (HIST_TIMESTAMP_START(line_start) == 0)
|
||||
{
|
||||
add_history (line_start);
|
||||
if (last_ts)
|
||||
{
|
||||
add_history_time (last_ts);
|
||||
last_ts = NULL;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
last_ts = line_start;
|
||||
current_line--;
|
||||
}
|
||||
}
|
||||
|
||||
current_line++;
|
||||
|
||||
if (current_line >= to)
|
||||
break;
|
||||
|
||||
line_start = line_end + 1;
|
||||
}
|
||||
|
||||
FREE (input);
|
||||
#ifndef HISTORY_USE_MMAP
|
||||
FREE (buffer);
|
||||
#else
|
||||
munmap (buffer, file_size);
|
||||
#endif
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Truncate the history file FNAME, leaving only LINES trailing lines.
|
||||
If FNAME is NULL, then use ~/.history. Returns 0 on success, errno
|
||||
on failure. */
|
||||
int
|
||||
history_truncate_file (fname, lines)
|
||||
const char *fname;
|
||||
int lines;
|
||||
{
|
||||
char *buffer, *filename, *bp, *bp1; /* bp1 == bp+1 */
|
||||
int file, chars_read, rv;
|
||||
struct stat finfo;
|
||||
size_t file_size;
|
||||
|
||||
buffer = (char *)NULL;
|
||||
filename = history_filename (fname);
|
||||
file = filename ? open (filename, O_RDONLY|O_BINARY, 0666) : -1;
|
||||
rv = 0;
|
||||
|
||||
/* Don't try to truncate non-regular files. */
|
||||
if (file == -1 || fstat (file, &finfo) == -1)
|
||||
{
|
||||
rv = errno;
|
||||
if (file != -1)
|
||||
close (file);
|
||||
goto truncate_exit;
|
||||
}
|
||||
|
||||
if (S_ISREG (finfo.st_mode) == 0)
|
||||
{
|
||||
close (file);
|
||||
#ifdef EFTYPE
|
||||
rv = EFTYPE;
|
||||
#else
|
||||
rv = EINVAL;
|
||||
#endif
|
||||
goto truncate_exit;
|
||||
}
|
||||
|
||||
file_size = (size_t)finfo.st_size;
|
||||
|
||||
/* check for overflow on very large files */
|
||||
if (file_size != finfo.st_size || file_size + 1 < file_size)
|
||||
{
|
||||
close (file);
|
||||
#if defined (EFBIG)
|
||||
rv = errno = EFBIG;
|
||||
#elif defined (EOVERFLOW)
|
||||
rv = errno = EOVERFLOW;
|
||||
#else
|
||||
rv = errno = EINVAL;
|
||||
#endif
|
||||
goto truncate_exit;
|
||||
}
|
||||
|
||||
buffer = (char *)malloc (file_size + 1);
|
||||
if (buffer == 0)
|
||||
{
|
||||
close (file);
|
||||
goto truncate_exit;
|
||||
}
|
||||
|
||||
chars_read = read (file, buffer, file_size);
|
||||
close (file);
|
||||
|
||||
if (chars_read <= 0)
|
||||
{
|
||||
rv = (chars_read < 0) ? errno : 0;
|
||||
goto truncate_exit;
|
||||
}
|
||||
|
||||
/* Count backwards from the end of buffer until we have passed
|
||||
LINES lines. bp1 is set funny initially. But since bp[1] can't
|
||||
be a comment character (since it's off the end) and *bp can't be
|
||||
both a newline and the history comment character, it should be OK. */
|
||||
for (bp1 = bp = buffer + chars_read - 1; lines && bp > buffer; bp--)
|
||||
{
|
||||
if (*bp == '\n' && HIST_TIMESTAMP_START(bp1) == 0)
|
||||
lines--;
|
||||
bp1 = bp;
|
||||
}
|
||||
|
||||
/* If this is the first line, then the file contains exactly the
|
||||
number of lines we want to truncate to, so we don't need to do
|
||||
anything. It's the first line if we don't find a newline between
|
||||
the current value of i and 0. Otherwise, write from the start of
|
||||
this line until the end of the buffer. */
|
||||
for ( ; bp > buffer; bp--)
|
||||
{
|
||||
if (*bp == '\n' && HIST_TIMESTAMP_START(bp1) == 0)
|
||||
{
|
||||
bp++;
|
||||
break;
|
||||
}
|
||||
bp1 = bp;
|
||||
}
|
||||
|
||||
/* Write only if there are more lines in the file than we want to
|
||||
truncate to. */
|
||||
if (bp > buffer && ((file = open (filename, O_WRONLY|O_TRUNC|O_BINARY, 0600)) != -1))
|
||||
{
|
||||
write (file, bp, chars_read - (bp - buffer));
|
||||
|
||||
#if defined (__BEOS__)
|
||||
/* BeOS ignores O_TRUNC. */
|
||||
ftruncate (file, chars_read - (bp - buffer));
|
||||
#endif
|
||||
|
||||
close (file);
|
||||
}
|
||||
|
||||
truncate_exit:
|
||||
|
||||
FREE (buffer);
|
||||
|
||||
xfree (filename);
|
||||
return rv;
|
||||
}
|
||||
|
||||
/* Workhorse function for writing history. Writes NELEMENT entries
|
||||
from the history list to FILENAME. OVERWRITE is non-zero if you
|
||||
wish to replace FILENAME with the entries. */
|
||||
static int
|
||||
history_do_write (filename, nelements, overwrite)
|
||||
const char *filename;
|
||||
int nelements, overwrite;
|
||||
{
|
||||
register int i;
|
||||
char *output, *bakname;
|
||||
int file, mode, rv;
|
||||
#ifdef HISTORY_USE_MMAP
|
||||
size_t cursize;
|
||||
|
||||
mode = overwrite ? O_RDWR|O_CREAT|O_TRUNC|O_BINARY : O_RDWR|O_APPEND|O_BINARY;
|
||||
#else
|
||||
mode = overwrite ? O_WRONLY|O_CREAT|O_TRUNC|O_BINARY : O_WRONLY|O_APPEND|O_BINARY;
|
||||
#endif
|
||||
output = history_filename (filename);
|
||||
bakname = output ? history_backupfile (output) : 0;
|
||||
|
||||
if (output && bakname)
|
||||
rename (output, bakname);
|
||||
|
||||
file = output ? open (output, mode, 0600) : -1;
|
||||
rv = 0;
|
||||
|
||||
if (file == -1)
|
||||
{
|
||||
rv = errno;
|
||||
if (output && bakname)
|
||||
rename (bakname, output);
|
||||
FREE (output);
|
||||
FREE (bakname);
|
||||
return (rv);
|
||||
}
|
||||
|
||||
#ifdef HISTORY_USE_MMAP
|
||||
cursize = overwrite ? 0 : lseek (file, 0, SEEK_END);
|
||||
#endif
|
||||
|
||||
if (nelements > history_length)
|
||||
nelements = history_length;
|
||||
|
||||
/* Build a buffer of all the lines to write, and write them in one syscall.
|
||||
Suggested by Peter Ho (peter@robosts.oxford.ac.uk). */
|
||||
{
|
||||
HIST_ENTRY **the_history; /* local */
|
||||
register int j;
|
||||
int buffer_size;
|
||||
char *buffer;
|
||||
|
||||
the_history = history_list ();
|
||||
/* Calculate the total number of bytes to write. */
|
||||
for (buffer_size = 0, i = history_length - nelements; i < history_length; i++)
|
||||
#if 0
|
||||
buffer_size += 2 + HISTENT_BYTES (the_history[i]);
|
||||
#else
|
||||
{
|
||||
if (history_write_timestamps && the_history[i]->timestamp && the_history[i]->timestamp[0])
|
||||
buffer_size += strlen (the_history[i]->timestamp) + 1;
|
||||
buffer_size += strlen (the_history[i]->line) + 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Allocate the buffer, and fill it. */
|
||||
#ifdef HISTORY_USE_MMAP
|
||||
if (ftruncate (file, buffer_size+cursize) == -1)
|
||||
goto mmap_error;
|
||||
buffer = (char *)mmap (0, buffer_size, PROT_READ|PROT_WRITE, MAP_WFLAGS, file, cursize);
|
||||
if ((void *)buffer == MAP_FAILED)
|
||||
{
|
||||
mmap_error:
|
||||
rv = errno;
|
||||
close (file);
|
||||
if (output && bakname)
|
||||
rename (bakname, output);
|
||||
FREE (output);
|
||||
FREE (bakname);
|
||||
return rv;
|
||||
}
|
||||
#else
|
||||
buffer = (char *)malloc (buffer_size);
|
||||
if (buffer == 0)
|
||||
{
|
||||
rv = errno;
|
||||
close (file);
|
||||
if (output && bakname)
|
||||
rename (bakname, output);
|
||||
FREE (output);
|
||||
FREE (bakname);
|
||||
return rv;
|
||||
}
|
||||
#endif
|
||||
|
||||
for (j = 0, i = history_length - nelements; i < history_length; i++)
|
||||
{
|
||||
if (history_write_timestamps && the_history[i]->timestamp && the_history[i]->timestamp[0])
|
||||
{
|
||||
strcpy (buffer + j, the_history[i]->timestamp);
|
||||
j += strlen (the_history[i]->timestamp);
|
||||
buffer[j++] = '\n';
|
||||
}
|
||||
strcpy (buffer + j, the_history[i]->line);
|
||||
j += strlen (the_history[i]->line);
|
||||
buffer[j++] = '\n';
|
||||
}
|
||||
|
||||
#ifdef HISTORY_USE_MMAP
|
||||
if (msync (buffer, buffer_size, 0) != 0 || munmap (buffer, buffer_size) != 0)
|
||||
rv = errno;
|
||||
#else
|
||||
if (write (file, buffer, buffer_size) < 0)
|
||||
rv = errno;
|
||||
xfree (buffer);
|
||||
#endif
|
||||
}
|
||||
|
||||
close (file);
|
||||
|
||||
if (rv != 0 && output && bakname)
|
||||
rename (bakname, output);
|
||||
else if (rv == 0 && bakname)
|
||||
unlink (bakname);
|
||||
|
||||
FREE (output);
|
||||
FREE (bakname);
|
||||
|
||||
return (rv);
|
||||
}
|
||||
|
||||
/* Append NELEMENT entries to FILENAME. The entries appended are from
|
||||
the end of the list minus NELEMENTs up to the end of the list. */
|
||||
int
|
||||
append_history (nelements, filename)
|
||||
int nelements;
|
||||
const char *filename;
|
||||
{
|
||||
return (history_do_write (filename, nelements, HISTORY_APPEND));
|
||||
}
|
||||
|
||||
/* Overwrite FILENAME with the current history. If FILENAME is NULL,
|
||||
then write the history list to ~/.history. Values returned
|
||||
are as in read_history ().*/
|
||||
int
|
||||
write_history (filename)
|
||||
const char *filename;
|
||||
{
|
||||
return (history_do_write (filename, history_length, HISTORY_OVERWRITE));
|
||||
}
|
||||
@@ -1,610 +0,0 @@
|
||||
/* input.c -- character input functions for readline. */
|
||||
|
||||
/* Copyright (C) 1994-2011 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 (__TANDEM)
|
||||
# include <floss.h>
|
||||
#endif
|
||||
|
||||
#if defined (HAVE_CONFIG_H)
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <fcntl.h>
|
||||
#if defined (HAVE_SYS_FILE_H)
|
||||
# include <sys/file.h>
|
||||
#endif /* HAVE_SYS_FILE_H */
|
||||
|
||||
#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 */
|
||||
|
||||
#include <signal.h>
|
||||
|
||||
#include "posixselect.h"
|
||||
|
||||
#if defined (FIONREAD_IN_SYS_IOCTL)
|
||||
# include <sys/ioctl.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
|
||||
#if !defined (errno)
|
||||
extern int errno;
|
||||
#endif /* !errno */
|
||||
|
||||
/* System-specific feature definitions and include files. */
|
||||
#include "rldefs.h"
|
||||
#include "rlmbutil.h"
|
||||
|
||||
/* Some standard library routines. */
|
||||
#include "readline.h"
|
||||
|
||||
#include "rlprivate.h"
|
||||
#include "rlshell.h"
|
||||
#include "xmalloc.h"
|
||||
|
||||
/* What kind of non-blocking I/O do we have? */
|
||||
#if !defined (O_NDELAY) && defined (O_NONBLOCK)
|
||||
# define O_NDELAY O_NONBLOCK /* Posix style */
|
||||
#endif
|
||||
|
||||
/* Non-null means it is a pointer to a function to run while waiting for
|
||||
character input. */
|
||||
rl_hook_func_t *rl_event_hook = (rl_hook_func_t *)NULL;
|
||||
|
||||
rl_getc_func_t *rl_getc_function = rl_getc;
|
||||
|
||||
static int _keyboard_input_timeout = 100000; /* 0.1 seconds; it's in usec */
|
||||
|
||||
static int ibuffer_space PARAMS((void));
|
||||
static int rl_get_char PARAMS((int *));
|
||||
static int rl_gather_tyi PARAMS((void));
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Character Input Buffering */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
static int pop_index, push_index;
|
||||
static unsigned char ibuffer[512];
|
||||
static int ibuffer_len = sizeof (ibuffer) - 1;
|
||||
|
||||
#define any_typein (push_index != pop_index)
|
||||
|
||||
int
|
||||
_rl_any_typein ()
|
||||
{
|
||||
return any_typein;
|
||||
}
|
||||
|
||||
/* Return the amount of space available in the buffer for stuffing
|
||||
characters. */
|
||||
static int
|
||||
ibuffer_space ()
|
||||
{
|
||||
if (pop_index > push_index)
|
||||
return (pop_index - push_index - 1);
|
||||
else
|
||||
return (ibuffer_len - (push_index - pop_index));
|
||||
}
|
||||
|
||||
/* Get a key from the buffer of characters to be read.
|
||||
Return the key in KEY.
|
||||
Result is KEY if there was a key, or 0 if there wasn't. */
|
||||
static int
|
||||
rl_get_char (key)
|
||||
int *key;
|
||||
{
|
||||
if (push_index == pop_index)
|
||||
return (0);
|
||||
|
||||
*key = ibuffer[pop_index++];
|
||||
#if 0
|
||||
if (pop_index >= ibuffer_len)
|
||||
#else
|
||||
if (pop_index > ibuffer_len)
|
||||
#endif
|
||||
pop_index = 0;
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
/* Stuff KEY into the *front* of the input buffer.
|
||||
Returns non-zero if successful, zero if there is
|
||||
no space left in the buffer. */
|
||||
int
|
||||
_rl_unget_char (key)
|
||||
int key;
|
||||
{
|
||||
if (ibuffer_space ())
|
||||
{
|
||||
pop_index--;
|
||||
if (pop_index < 0)
|
||||
pop_index = ibuffer_len;
|
||||
ibuffer[pop_index] = key;
|
||||
return (1);
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
_rl_pushed_input_available ()
|
||||
{
|
||||
return (push_index != pop_index);
|
||||
}
|
||||
|
||||
/* If a character is available to be read, then read it and stuff it into
|
||||
IBUFFER. Otherwise, just return. Returns number of characters read
|
||||
(0 if none available) and -1 on error (EIO). */
|
||||
static int
|
||||
rl_gather_tyi ()
|
||||
{
|
||||
int tty;
|
||||
register int tem, result;
|
||||
int chars_avail, k;
|
||||
char input;
|
||||
#if defined(HAVE_SELECT)
|
||||
fd_set readfds, exceptfds;
|
||||
struct timeval timeout;
|
||||
#endif
|
||||
|
||||
chars_avail = 0;
|
||||
tty = fileno (rl_instream);
|
||||
|
||||
#if defined (HAVE_SELECT)
|
||||
FD_ZERO (&readfds);
|
||||
FD_ZERO (&exceptfds);
|
||||
FD_SET (tty, &readfds);
|
||||
FD_SET (tty, &exceptfds);
|
||||
USEC_TO_TIMEVAL (_keyboard_input_timeout, timeout);
|
||||
result = select (tty + 1, &readfds, (fd_set *)NULL, &exceptfds, &timeout);
|
||||
if (result <= 0)
|
||||
return 0; /* Nothing to read. */
|
||||
#endif
|
||||
|
||||
result = -1;
|
||||
#if defined (FIONREAD)
|
||||
errno = 0;
|
||||
result = ioctl (tty, FIONREAD, &chars_avail);
|
||||
if (result == -1 && errno == EIO)
|
||||
return -1;
|
||||
#endif
|
||||
|
||||
#if defined (O_NDELAY)
|
||||
if (result == -1)
|
||||
{
|
||||
tem = fcntl (tty, F_GETFL, 0);
|
||||
|
||||
fcntl (tty, F_SETFL, (tem | O_NDELAY));
|
||||
chars_avail = read (tty, &input, 1);
|
||||
|
||||
fcntl (tty, F_SETFL, tem);
|
||||
if (chars_avail == -1 && errno == EAGAIN)
|
||||
return 0;
|
||||
if (chars_avail == 0) /* EOF */
|
||||
{
|
||||
rl_stuff_char (EOF);
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
#endif /* O_NDELAY */
|
||||
|
||||
#if defined (__MINGW32__)
|
||||
/* Use getch/_kbhit to check for available console input, in the same way
|
||||
that we read it normally. */
|
||||
chars_avail = isatty (tty) ? _kbhit () : 0;
|
||||
result = 0;
|
||||
#endif
|
||||
|
||||
/* If there's nothing available, don't waste time trying to read
|
||||
something. */
|
||||
if (chars_avail <= 0)
|
||||
return 0;
|
||||
|
||||
tem = ibuffer_space ();
|
||||
|
||||
if (chars_avail > tem)
|
||||
chars_avail = tem;
|
||||
|
||||
/* One cannot read all of the available input. I can only read a single
|
||||
character at a time, or else programs which require input can be
|
||||
thwarted. If the buffer is larger than one character, I lose.
|
||||
Damn! */
|
||||
if (tem < ibuffer_len)
|
||||
chars_avail = 0;
|
||||
|
||||
if (result != -1)
|
||||
{
|
||||
while (chars_avail--)
|
||||
{
|
||||
RL_CHECK_SIGNALS ();
|
||||
k = (*rl_getc_function) (rl_instream);
|
||||
if (rl_stuff_char (k) == 0)
|
||||
break; /* some problem; no more room */
|
||||
if (k == NEWLINE || k == RETURN)
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (chars_avail)
|
||||
rl_stuff_char (input);
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
rl_set_keyboard_input_timeout (u)
|
||||
int u;
|
||||
{
|
||||
int o;
|
||||
|
||||
o = _keyboard_input_timeout;
|
||||
if (u >= 0)
|
||||
_keyboard_input_timeout = u;
|
||||
return (o);
|
||||
}
|
||||
|
||||
/* Is there input available to be read on the readline input file
|
||||
descriptor? Only works if the system has select(2) or FIONREAD.
|
||||
Uses the value of _keyboard_input_timeout as the timeout; if another
|
||||
readline function wants to specify a timeout and not leave it up to
|
||||
the user, it should use _rl_input_queued(timeout_value_in_microseconds)
|
||||
instead. */
|
||||
int
|
||||
_rl_input_available ()
|
||||
{
|
||||
#if defined(HAVE_SELECT)
|
||||
fd_set readfds, exceptfds;
|
||||
struct timeval timeout;
|
||||
#endif
|
||||
#if !defined (HAVE_SELECT) && defined(FIONREAD)
|
||||
int chars_avail;
|
||||
#endif
|
||||
int tty;
|
||||
|
||||
tty = fileno (rl_instream);
|
||||
|
||||
#if defined (HAVE_SELECT)
|
||||
FD_ZERO (&readfds);
|
||||
FD_ZERO (&exceptfds);
|
||||
FD_SET (tty, &readfds);
|
||||
FD_SET (tty, &exceptfds);
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_usec = _keyboard_input_timeout;
|
||||
return (select (tty + 1, &readfds, (fd_set *)NULL, &exceptfds, &timeout) > 0);
|
||||
#else
|
||||
|
||||
#if defined (FIONREAD)
|
||||
if (ioctl (tty, FIONREAD, &chars_avail) == 0)
|
||||
return (chars_avail);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#if defined (__MINGW32__)
|
||||
if (isatty (tty))
|
||||
return (_kbhit ());
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
_rl_input_queued (t)
|
||||
int t;
|
||||
{
|
||||
int old_timeout, r;
|
||||
|
||||
old_timeout = rl_set_keyboard_input_timeout (t);
|
||||
r = _rl_input_available ();
|
||||
rl_set_keyboard_input_timeout (old_timeout);
|
||||
return r;
|
||||
}
|
||||
|
||||
void
|
||||
_rl_insert_typein (c)
|
||||
int c;
|
||||
{
|
||||
int key, t, i;
|
||||
char *string;
|
||||
|
||||
i = key = 0;
|
||||
string = (char *)xmalloc (ibuffer_len + 1);
|
||||
string[i++] = (char) c;
|
||||
|
||||
while ((t = rl_get_char (&key)) &&
|
||||
_rl_keymap[key].type == ISFUNC &&
|
||||
_rl_keymap[key].function == rl_insert)
|
||||
string[i++] = key;
|
||||
|
||||
if (t)
|
||||
_rl_unget_char (key);
|
||||
|
||||
string[i] = '\0';
|
||||
rl_insert_text (string);
|
||||
xfree (string);
|
||||
}
|
||||
|
||||
/* Add KEY to the buffer of characters to be read. Returns 1 if the
|
||||
character was stuffed correctly; 0 otherwise. */
|
||||
int
|
||||
rl_stuff_char (key)
|
||||
int key;
|
||||
{
|
||||
if (ibuffer_space () == 0)
|
||||
return 0;
|
||||
|
||||
if (key == EOF)
|
||||
{
|
||||
key = NEWLINE;
|
||||
rl_pending_input = EOF;
|
||||
RL_SETSTATE (RL_STATE_INPUTPENDING);
|
||||
}
|
||||
ibuffer[push_index++] = key;
|
||||
#if 0
|
||||
if (push_index >= ibuffer_len)
|
||||
#else
|
||||
if (push_index > ibuffer_len)
|
||||
#endif
|
||||
push_index = 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Make C be the next command to be executed. */
|
||||
int
|
||||
rl_execute_next (c)
|
||||
int c;
|
||||
{
|
||||
rl_pending_input = c;
|
||||
RL_SETSTATE (RL_STATE_INPUTPENDING);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Clear any pending input pushed with rl_execute_next() */
|
||||
int
|
||||
rl_clear_pending_input ()
|
||||
{
|
||||
rl_pending_input = 0;
|
||||
RL_UNSETSTATE (RL_STATE_INPUTPENDING);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Character Input */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
/* Read a key, including pending input. */
|
||||
int
|
||||
rl_read_key ()
|
||||
{
|
||||
int c;
|
||||
|
||||
rl_key_sequence_length++;
|
||||
|
||||
if (rl_pending_input)
|
||||
{
|
||||
c = rl_pending_input;
|
||||
rl_clear_pending_input ();
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If input is coming from a macro, then use that. */
|
||||
if (c = _rl_next_macro_key ())
|
||||
return (c);
|
||||
|
||||
/* If the user has an event function, then call it periodically. */
|
||||
if (rl_event_hook)
|
||||
{
|
||||
while (rl_event_hook)
|
||||
{
|
||||
if (rl_gather_tyi () < 0) /* XXX - EIO */
|
||||
{
|
||||
rl_done = 1;
|
||||
return ('\n');
|
||||
}
|
||||
RL_CHECK_SIGNALS ();
|
||||
if (rl_get_char (&c) != 0)
|
||||
break;
|
||||
if (rl_done) /* XXX - experimental */
|
||||
return ('\n');
|
||||
(*rl_event_hook) ();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (rl_get_char (&c) == 0)
|
||||
c = (*rl_getc_function) (rl_instream);
|
||||
RL_CHECK_SIGNALS ();
|
||||
}
|
||||
}
|
||||
|
||||
return (c);
|
||||
}
|
||||
|
||||
int
|
||||
rl_getc (stream)
|
||||
FILE *stream;
|
||||
{
|
||||
int result;
|
||||
unsigned char c;
|
||||
|
||||
while (1)
|
||||
{
|
||||
RL_CHECK_SIGNALS ();
|
||||
|
||||
/* We know at this point that _rl_caught_signal == 0 */
|
||||
|
||||
#if defined (__MINGW32__)
|
||||
if (isatty (fileno (stream)))
|
||||
return (getch ());
|
||||
#endif
|
||||
result = read (fileno (stream), &c, sizeof (unsigned char));
|
||||
|
||||
if (_rl_caught_signal)
|
||||
{
|
||||
itrace("rl_getc: caught SIGWINCH: %d", _rl_caught_signal);
|
||||
_rl_caught_signal = 0;
|
||||
}
|
||||
|
||||
if (result == sizeof (unsigned char))
|
||||
return (c);
|
||||
|
||||
/* If zero characters are returned, then the file that we are
|
||||
reading from is empty! Return EOF in that case. */
|
||||
if (result == 0)
|
||||
return (EOF);
|
||||
|
||||
#if defined (__BEOS__)
|
||||
if (errno == EINTR)
|
||||
continue;
|
||||
#endif
|
||||
|
||||
#if defined (EWOULDBLOCK)
|
||||
# define X_EWOULDBLOCK EWOULDBLOCK
|
||||
#else
|
||||
# define X_EWOULDBLOCK -99
|
||||
#endif
|
||||
|
||||
#if defined (EAGAIN)
|
||||
# define X_EAGAIN EAGAIN
|
||||
#else
|
||||
# define X_EAGAIN -99
|
||||
#endif
|
||||
|
||||
if (errno == X_EWOULDBLOCK || errno == X_EAGAIN)
|
||||
{
|
||||
if (sh_unset_nodelay_mode (fileno (stream)) < 0)
|
||||
return (EOF);
|
||||
continue;
|
||||
}
|
||||
|
||||
#undef X_EWOULDBLOCK
|
||||
#undef X_EAGAIN
|
||||
|
||||
/* If the error that we received was EINTR, then try again,
|
||||
this is simply an interrupted system call to read ().
|
||||
Otherwise, some error ocurred, also signifying EOF. */
|
||||
if (errno != EINTR)
|
||||
return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
|
||||
else if (_rl_caught_signal == SIGHUP || _rl_caught_signal == SIGTERM)
|
||||
return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
|
||||
else if (rl_event_hook)
|
||||
(*rl_event_hook) ();
|
||||
}
|
||||
}
|
||||
|
||||
#if defined (HANDLE_MULTIBYTE)
|
||||
/* read multibyte char */
|
||||
int
|
||||
_rl_read_mbchar (mbchar, size)
|
||||
char *mbchar;
|
||||
int size;
|
||||
{
|
||||
int mb_len, c;
|
||||
size_t mbchar_bytes_length;
|
||||
wchar_t wc;
|
||||
mbstate_t ps, ps_back;
|
||||
|
||||
memset(&ps, 0, sizeof (mbstate_t));
|
||||
memset(&ps_back, 0, sizeof (mbstate_t));
|
||||
|
||||
mb_len = 0;
|
||||
while (mb_len < size)
|
||||
{
|
||||
RL_SETSTATE(RL_STATE_MOREINPUT);
|
||||
c = rl_read_key ();
|
||||
RL_UNSETSTATE(RL_STATE_MOREINPUT);
|
||||
|
||||
if (c < 0)
|
||||
break;
|
||||
|
||||
mbchar[mb_len++] = c;
|
||||
|
||||
mbchar_bytes_length = mbrtowc (&wc, mbchar, mb_len, &ps);
|
||||
if (mbchar_bytes_length == (size_t)(-1))
|
||||
break; /* invalid byte sequence for the current locale */
|
||||
else if (mbchar_bytes_length == (size_t)(-2))
|
||||
{
|
||||
/* shorted bytes */
|
||||
ps = ps_back;
|
||||
continue;
|
||||
}
|
||||
else if (mbchar_bytes_length == 0)
|
||||
{
|
||||
mbchar[0] = '\0'; /* null wide character */
|
||||
mb_len = 1;
|
||||
break;
|
||||
}
|
||||
else if (mbchar_bytes_length > (size_t)(0))
|
||||
break;
|
||||
}
|
||||
|
||||
return mb_len;
|
||||
}
|
||||
|
||||
/* Read a multibyte-character string whose first character is FIRST into
|
||||
the buffer MB of length MLEN. Returns the last character read, which
|
||||
may be FIRST. Used by the search functions, among others. Very similar
|
||||
to _rl_read_mbchar. */
|
||||
int
|
||||
_rl_read_mbstring (first, mb, mlen)
|
||||
int first;
|
||||
char *mb;
|
||||
int mlen;
|
||||
{
|
||||
int i, c;
|
||||
mbstate_t ps;
|
||||
|
||||
c = first;
|
||||
memset (mb, 0, mlen);
|
||||
for (i = 0; c >= 0 && i < mlen; i++)
|
||||
{
|
||||
mb[i] = (char)c;
|
||||
memset (&ps, 0, sizeof (mbstate_t));
|
||||
if (_rl_get_char_len (mb, &ps) == -2)
|
||||
{
|
||||
/* Read more for multibyte character */
|
||||
RL_SETSTATE (RL_STATE_MOREINPUT);
|
||||
c = rl_read_key ();
|
||||
RL_UNSETSTATE (RL_STATE_MOREINPUT);
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
return c;
|
||||
}
|
||||
#endif /* HANDLE_MULTIBYTE */
|
||||
@@ -1,893 +0,0 @@
|
||||
/* Readline.h -- the names of functions callable from within readline. */
|
||||
|
||||
/* Copyright (C) 1987-2011 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/>.
|
||||
*/
|
||||
|
||||
#if !defined (_READLINE_H_)
|
||||
#define _READLINE_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#if defined (READLINE_LIBRARY)
|
||||
# include "rlstdc.h"
|
||||
# include "rltypedefs.h"
|
||||
# include "keymaps.h"
|
||||
# include "tilde.h"
|
||||
#else
|
||||
# include <readline/rlstdc.h>
|
||||
# include <readline/rltypedefs.h>
|
||||
# include <readline/keymaps.h>
|
||||
# include <readline/tilde.h>
|
||||
#endif
|
||||
|
||||
/* Hex-encoded Readline version number. */
|
||||
#define RL_READLINE_VERSION 0x0602 /* Readline 6.2 */
|
||||
#define RL_VERSION_MAJOR 6
|
||||
#define RL_VERSION_MINOR 2
|
||||
|
||||
/* Readline data structures. */
|
||||
|
||||
/* Maintaining the state of undo. We remember individual deletes and inserts
|
||||
on a chain of things to do. */
|
||||
|
||||
/* The actions that undo knows how to undo. Notice that UNDO_DELETE means
|
||||
to insert some text, and UNDO_INSERT means to delete some text. I.e.,
|
||||
the code tells undo what to undo, not how to undo it. */
|
||||
enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
|
||||
|
||||
/* What an element of THE_UNDO_LIST looks like. */
|
||||
typedef struct undo_list {
|
||||
struct undo_list *next;
|
||||
int start, end; /* Where the change took place. */
|
||||
char *text; /* The text to insert, if undoing a delete. */
|
||||
enum undo_code what; /* Delete, Insert, Begin, End. */
|
||||
} UNDO_LIST;
|
||||
|
||||
/* The current undo list for RL_LINE_BUFFER. */
|
||||
extern UNDO_LIST *rl_undo_list;
|
||||
|
||||
/* The data structure for mapping textual names to code addresses. */
|
||||
typedef struct _funmap {
|
||||
const char *name;
|
||||
rl_command_func_t *function;
|
||||
} FUNMAP;
|
||||
|
||||
extern FUNMAP **funmap;
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Functions available to bind to key sequences */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
/* Bindable commands for numeric arguments. */
|
||||
extern int rl_digit_argument PARAMS((int, int));
|
||||
extern int rl_universal_argument PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for moving the cursor. */
|
||||
extern int rl_forward_byte PARAMS((int, int));
|
||||
extern int rl_forward_char PARAMS((int, int));
|
||||
extern int rl_forward PARAMS((int, int));
|
||||
extern int rl_backward_byte PARAMS((int, int));
|
||||
extern int rl_backward_char PARAMS((int, int));
|
||||
extern int rl_backward PARAMS((int, int));
|
||||
extern int rl_beg_of_line PARAMS((int, int));
|
||||
extern int rl_end_of_line PARAMS((int, int));
|
||||
extern int rl_forward_word PARAMS((int, int));
|
||||
extern int rl_backward_word PARAMS((int, int));
|
||||
extern int rl_refresh_line PARAMS((int, int));
|
||||
extern int rl_clear_screen PARAMS((int, int));
|
||||
extern int rl_skip_csi_sequence PARAMS((int, int));
|
||||
extern int rl_arrow_keys PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for inserting and deleting text. */
|
||||
extern int rl_insert PARAMS((int, int));
|
||||
extern int rl_quoted_insert PARAMS((int, int));
|
||||
extern int rl_tab_insert PARAMS((int, int));
|
||||
extern int rl_newline PARAMS((int, int));
|
||||
extern int rl_do_lowercase_version PARAMS((int, int));
|
||||
extern int rl_rubout PARAMS((int, int));
|
||||
extern int rl_delete PARAMS((int, int));
|
||||
extern int rl_rubout_or_delete PARAMS((int, int));
|
||||
extern int rl_delete_horizontal_space PARAMS((int, int));
|
||||
extern int rl_delete_or_show_completions PARAMS((int, int));
|
||||
extern int rl_insert_comment PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for changing case. */
|
||||
extern int rl_upcase_word PARAMS((int, int));
|
||||
extern int rl_downcase_word PARAMS((int, int));
|
||||
extern int rl_capitalize_word PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for transposing characters and words. */
|
||||
extern int rl_transpose_words PARAMS((int, int));
|
||||
extern int rl_transpose_chars PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for searching within a line. */
|
||||
extern int rl_char_search PARAMS((int, int));
|
||||
extern int rl_backward_char_search PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for readline's interface to the command history. */
|
||||
extern int rl_beginning_of_history PARAMS((int, int));
|
||||
extern int rl_end_of_history PARAMS((int, int));
|
||||
extern int rl_get_next_history PARAMS((int, int));
|
||||
extern int rl_get_previous_history PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for managing the mark and region. */
|
||||
extern int rl_set_mark PARAMS((int, int));
|
||||
extern int rl_exchange_point_and_mark PARAMS((int, int));
|
||||
|
||||
/* Bindable commands to set the editing mode (emacs or vi). */
|
||||
extern int rl_vi_editing_mode PARAMS((int, int));
|
||||
extern int rl_emacs_editing_mode PARAMS((int, int));
|
||||
|
||||
/* Bindable commands to change the insert mode (insert or overwrite) */
|
||||
extern int rl_overwrite_mode PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for managing key bindings. */
|
||||
extern int rl_re_read_init_file PARAMS((int, int));
|
||||
extern int rl_dump_functions PARAMS((int, int));
|
||||
extern int rl_dump_macros PARAMS((int, int));
|
||||
extern int rl_dump_variables PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for word completion. */
|
||||
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_old_menu_complete 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));
|
||||
extern int rl_backward_kill_word PARAMS((int, int));
|
||||
extern int rl_kill_line PARAMS((int, int));
|
||||
extern int rl_backward_kill_line PARAMS((int, int));
|
||||
extern int rl_kill_full_line PARAMS((int, int));
|
||||
extern int rl_unix_word_rubout PARAMS((int, int));
|
||||
extern int rl_unix_filename_rubout PARAMS((int, int));
|
||||
extern int rl_unix_line_discard PARAMS((int, int));
|
||||
extern int rl_copy_region_to_kill PARAMS((int, int));
|
||||
extern int rl_kill_region PARAMS((int, int));
|
||||
extern int rl_copy_forward_word PARAMS((int, int));
|
||||
extern int rl_copy_backward_word PARAMS((int, int));
|
||||
extern int rl_yank PARAMS((int, int));
|
||||
extern int rl_yank_pop PARAMS((int, int));
|
||||
extern int rl_yank_nth_arg PARAMS((int, int));
|
||||
extern int rl_yank_last_arg PARAMS((int, int));
|
||||
/* Not available unless __CYGWIN__ is defined. */
|
||||
#ifdef __CYGWIN__
|
||||
extern int rl_paste_from_clipboard PARAMS((int, int));
|
||||
#endif
|
||||
|
||||
/* Bindable commands for incremental searching. */
|
||||
extern int rl_reverse_search_history PARAMS((int, int));
|
||||
extern int rl_forward_search_history PARAMS((int, int));
|
||||
|
||||
/* Bindable keyboard macro commands. */
|
||||
extern int rl_start_kbd_macro PARAMS((int, int));
|
||||
extern int rl_end_kbd_macro PARAMS((int, int));
|
||||
extern int rl_call_last_kbd_macro PARAMS((int, int));
|
||||
|
||||
/* Bindable undo commands. */
|
||||
extern int rl_revert_line PARAMS((int, int));
|
||||
extern int rl_undo_command PARAMS((int, int));
|
||||
|
||||
/* Bindable tilde expansion commands. */
|
||||
extern int rl_tilde_expand PARAMS((int, int));
|
||||
|
||||
/* Bindable terminal control commands. */
|
||||
extern int rl_restart_output PARAMS((int, int));
|
||||
extern int rl_stop_output PARAMS((int, int));
|
||||
|
||||
/* Miscellaneous bindable commands. */
|
||||
extern int rl_abort PARAMS((int, int));
|
||||
extern int rl_tty_status PARAMS((int, int));
|
||||
|
||||
/* Bindable commands for incremental and non-incremental history searching. */
|
||||
extern int rl_history_search_forward PARAMS((int, int));
|
||||
extern int rl_history_search_backward PARAMS((int, int));
|
||||
extern int rl_noninc_forward_search PARAMS((int, int));
|
||||
extern int rl_noninc_reverse_search PARAMS((int, int));
|
||||
extern int rl_noninc_forward_search_again PARAMS((int, int));
|
||||
extern int rl_noninc_reverse_search_again PARAMS((int, int));
|
||||
|
||||
/* Bindable command used when inserting a matching close character. */
|
||||
extern int rl_insert_close PARAMS((int, int));
|
||||
|
||||
/* Not available unless READLINE_CALLBACKS is defined. */
|
||||
extern void rl_callback_handler_install PARAMS((const char *, rl_vcpfunc_t *));
|
||||
extern void rl_callback_read_char PARAMS((void));
|
||||
extern void rl_callback_handler_remove PARAMS((void));
|
||||
|
||||
/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
|
||||
/* VI-mode bindable commands. */
|
||||
extern int rl_vi_redo PARAMS((int, int));
|
||||
extern int rl_vi_undo PARAMS((int, int));
|
||||
extern int rl_vi_yank_arg PARAMS((int, int));
|
||||
extern int rl_vi_fetch_history PARAMS((int, int));
|
||||
extern int rl_vi_search_again PARAMS((int, int));
|
||||
extern int rl_vi_search PARAMS((int, int));
|
||||
extern int rl_vi_complete PARAMS((int, int));
|
||||
extern int rl_vi_tilde_expand PARAMS((int, int));
|
||||
extern int rl_vi_prev_word PARAMS((int, int));
|
||||
extern int rl_vi_next_word PARAMS((int, int));
|
||||
extern int rl_vi_end_word PARAMS((int, int));
|
||||
extern int rl_vi_insert_beg PARAMS((int, int));
|
||||
extern int rl_vi_append_mode PARAMS((int, int));
|
||||
extern int rl_vi_append_eol PARAMS((int, int));
|
||||
extern int rl_vi_eof_maybe PARAMS((int, int));
|
||||
extern int rl_vi_insertion_mode PARAMS((int, int));
|
||||
extern int rl_vi_insert_mode PARAMS((int, int));
|
||||
extern int rl_vi_movement_mode PARAMS((int, int));
|
||||
extern int rl_vi_arg_digit PARAMS((int, int));
|
||||
extern int rl_vi_change_case PARAMS((int, int));
|
||||
extern int rl_vi_put PARAMS((int, int));
|
||||
extern int rl_vi_column PARAMS((int, int));
|
||||
extern int rl_vi_delete_to PARAMS((int, int));
|
||||
extern int rl_vi_change_to PARAMS((int, int));
|
||||
extern int rl_vi_yank_to PARAMS((int, int));
|
||||
extern int rl_vi_rubout PARAMS((int, int));
|
||||
extern int rl_vi_delete PARAMS((int, int));
|
||||
extern int rl_vi_back_to_indent PARAMS((int, int));
|
||||
extern int rl_vi_first_print PARAMS((int, int));
|
||||
extern int rl_vi_char_search PARAMS((int, int));
|
||||
extern int rl_vi_match PARAMS((int, int));
|
||||
extern int rl_vi_change_char PARAMS((int, int));
|
||||
extern int rl_vi_subst PARAMS((int, int));
|
||||
extern int rl_vi_overstrike PARAMS((int, int));
|
||||
extern int rl_vi_overstrike_delete PARAMS((int, int));
|
||||
extern int rl_vi_replace PARAMS((int, int));
|
||||
extern int rl_vi_set_mark PARAMS((int, int));
|
||||
extern int rl_vi_goto_mark PARAMS((int, int));
|
||||
|
||||
/* VI-mode utility functions. */
|
||||
extern int rl_vi_check PARAMS((void));
|
||||
extern int rl_vi_domove PARAMS((int, int *));
|
||||
extern int rl_vi_bracktype PARAMS((int));
|
||||
|
||||
extern void rl_vi_start_inserting PARAMS((int, int, int));
|
||||
|
||||
/* VI-mode pseudo-bindable commands, used as utility functions. */
|
||||
extern int rl_vi_fWord PARAMS((int, int));
|
||||
extern int rl_vi_bWord PARAMS((int, int));
|
||||
extern int rl_vi_eWord PARAMS((int, int));
|
||||
extern int rl_vi_fword PARAMS((int, int));
|
||||
extern int rl_vi_bword PARAMS((int, int));
|
||||
extern int rl_vi_eword PARAMS((int, int));
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Well Published Functions */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
/* Readline functions. */
|
||||
/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
|
||||
extern char *readline PARAMS((const char *));
|
||||
|
||||
extern int rl_set_prompt PARAMS((const char *));
|
||||
extern int rl_expand_prompt PARAMS((char *));
|
||||
|
||||
extern int rl_initialize PARAMS((void));
|
||||
|
||||
/* Undocumented; unused by readline */
|
||||
extern int rl_discard_argument PARAMS((void));
|
||||
|
||||
/* Utility functions to bind keys to readline commands. */
|
||||
extern int rl_add_defun PARAMS((const char *, rl_command_func_t *, int));
|
||||
extern int rl_bind_key PARAMS((int, rl_command_func_t *));
|
||||
extern int rl_bind_key_in_map PARAMS((int, rl_command_func_t *, Keymap));
|
||||
extern int rl_unbind_key PARAMS((int));
|
||||
extern int rl_unbind_key_in_map PARAMS((int, Keymap));
|
||||
extern int rl_bind_key_if_unbound PARAMS((int, rl_command_func_t *));
|
||||
extern int rl_bind_key_if_unbound_in_map PARAMS((int, rl_command_func_t *, Keymap));
|
||||
extern int rl_unbind_function_in_map PARAMS((rl_command_func_t *, Keymap));
|
||||
extern int rl_unbind_command_in_map PARAMS((const char *, Keymap));
|
||||
extern int rl_bind_keyseq PARAMS((const char *, rl_command_func_t *));
|
||||
extern int rl_bind_keyseq_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
|
||||
extern int rl_bind_keyseq_if_unbound PARAMS((const char *, rl_command_func_t *));
|
||||
extern int rl_bind_keyseq_if_unbound_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
|
||||
extern int rl_generic_bind PARAMS((int, const char *, char *, Keymap));
|
||||
|
||||
extern char *rl_variable_value PARAMS((const char *));
|
||||
extern int rl_variable_bind PARAMS((const char *, const char *));
|
||||
|
||||
/* Backwards compatibility, use rl_bind_keyseq_in_map instead. */
|
||||
extern int rl_set_key PARAMS((const char *, rl_command_func_t *, Keymap));
|
||||
|
||||
/* Backwards compatibility, use rl_generic_bind instead. */
|
||||
extern int rl_macro_bind PARAMS((const char *, const char *, Keymap));
|
||||
|
||||
/* Undocumented in the texinfo manual; not really useful to programs. */
|
||||
extern int rl_translate_keyseq PARAMS((const char *, char *, int *));
|
||||
extern char *rl_untranslate_keyseq PARAMS((int));
|
||||
|
||||
extern rl_command_func_t *rl_named_function PARAMS((const char *));
|
||||
extern rl_command_func_t *rl_function_of_keyseq PARAMS((const char *, Keymap, int *));
|
||||
|
||||
extern void rl_list_funmap_names PARAMS((void));
|
||||
extern char **rl_invoking_keyseqs_in_map PARAMS((rl_command_func_t *, Keymap));
|
||||
extern char **rl_invoking_keyseqs PARAMS((rl_command_func_t *));
|
||||
|
||||
extern void rl_function_dumper PARAMS((int));
|
||||
extern void rl_macro_dumper PARAMS((int));
|
||||
extern void rl_variable_dumper PARAMS((int));
|
||||
|
||||
extern int rl_read_init_file PARAMS((const char *));
|
||||
extern int rl_parse_and_bind PARAMS((char *));
|
||||
|
||||
/* Functions for manipulating keymaps. */
|
||||
extern Keymap rl_make_bare_keymap PARAMS((void));
|
||||
extern Keymap rl_copy_keymap PARAMS((Keymap));
|
||||
extern Keymap rl_make_keymap PARAMS((void));
|
||||
extern void rl_discard_keymap PARAMS((Keymap));
|
||||
|
||||
extern Keymap rl_get_keymap_by_name PARAMS((const char *));
|
||||
extern char *rl_get_keymap_name PARAMS((Keymap));
|
||||
extern void rl_set_keymap PARAMS((Keymap));
|
||||
extern Keymap rl_get_keymap PARAMS((void));
|
||||
/* Undocumented; used internally only. */
|
||||
extern void rl_set_keymap_from_edit_mode PARAMS((void));
|
||||
extern char *rl_get_keymap_name_from_edit_mode PARAMS((void));
|
||||
|
||||
/* Functions for manipulating the funmap, which maps command names to functions. */
|
||||
extern int rl_add_funmap_entry PARAMS((const char *, rl_command_func_t *));
|
||||
extern const char **rl_funmap_names PARAMS((void));
|
||||
/* Undocumented, only used internally -- there is only one funmap, and this
|
||||
function may be called only once. */
|
||||
extern void rl_initialize_funmap PARAMS((void));
|
||||
|
||||
/* Utility functions for managing keyboard macros. */
|
||||
extern void rl_push_macro_input PARAMS((char *));
|
||||
|
||||
/* Functions for undoing, from undo.c */
|
||||
extern void rl_add_undo PARAMS((enum undo_code, int, int, char *));
|
||||
extern void rl_free_undo_list PARAMS((void));
|
||||
extern int rl_do_undo PARAMS((void));
|
||||
extern int rl_begin_undo_group PARAMS((void));
|
||||
extern int rl_end_undo_group PARAMS((void));
|
||||
extern int rl_modifying PARAMS((int, int));
|
||||
|
||||
/* Functions for redisplay. */
|
||||
extern void rl_redisplay PARAMS((void));
|
||||
extern int rl_on_new_line PARAMS((void));
|
||||
extern int rl_on_new_line_with_prompt PARAMS((void));
|
||||
extern int rl_forced_update_display PARAMS((void));
|
||||
extern int rl_clear_message PARAMS((void));
|
||||
extern int rl_reset_line_state PARAMS((void));
|
||||
extern int rl_crlf PARAMS((void));
|
||||
|
||||
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
|
||||
extern int rl_message (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
#else
|
||||
extern int rl_message ();
|
||||
#endif
|
||||
|
||||
extern int rl_show_char PARAMS((int));
|
||||
|
||||
/* Undocumented in texinfo manual. */
|
||||
extern int rl_character_len PARAMS((int, int));
|
||||
|
||||
/* Save and restore internal prompt redisplay information. */
|
||||
extern void rl_save_prompt PARAMS((void));
|
||||
extern void rl_restore_prompt PARAMS((void));
|
||||
|
||||
/* Modifying text. */
|
||||
extern void rl_replace_line PARAMS((const char *, int));
|
||||
extern int rl_insert_text PARAMS((const char *));
|
||||
extern int rl_delete_text PARAMS((int, int));
|
||||
extern int rl_kill_text PARAMS((int, int));
|
||||
extern char *rl_copy_text PARAMS((int, int));
|
||||
|
||||
/* Terminal and tty mode management. */
|
||||
extern void rl_prep_terminal PARAMS((int));
|
||||
extern void rl_deprep_terminal PARAMS((void));
|
||||
extern void rl_tty_set_default_bindings PARAMS((Keymap));
|
||||
extern void rl_tty_unset_default_bindings PARAMS((Keymap));
|
||||
|
||||
extern int rl_reset_terminal PARAMS((const char *));
|
||||
extern void rl_resize_terminal PARAMS((void));
|
||||
extern void rl_set_screen_size PARAMS((int, int));
|
||||
extern void rl_get_screen_size PARAMS((int *, int *));
|
||||
extern void rl_reset_screen_size PARAMS((void));
|
||||
|
||||
extern char *rl_get_termcap PARAMS((const char *));
|
||||
|
||||
/* Functions for character input. */
|
||||
extern int rl_stuff_char PARAMS((int));
|
||||
extern int rl_execute_next PARAMS((int));
|
||||
extern int rl_clear_pending_input PARAMS((void));
|
||||
extern int rl_read_key PARAMS((void));
|
||||
extern int rl_getc PARAMS((FILE *));
|
||||
extern int rl_set_keyboard_input_timeout PARAMS((int));
|
||||
|
||||
/* `Public' utility functions . */
|
||||
extern void rl_extend_line_buffer PARAMS((int));
|
||||
extern int rl_ding PARAMS((void));
|
||||
extern int rl_alphabetic PARAMS((int));
|
||||
extern void rl_free PARAMS((void *));
|
||||
|
||||
/* Readline signal handling, from signals.c */
|
||||
extern int rl_set_signals PARAMS((void));
|
||||
extern int rl_clear_signals PARAMS((void));
|
||||
extern void rl_cleanup_after_signal PARAMS((void));
|
||||
extern void rl_reset_after_signal PARAMS((void));
|
||||
extern void rl_free_line_state PARAMS((void));
|
||||
|
||||
extern void rl_echo_signal_char PARAMS((int));
|
||||
|
||||
extern int rl_set_paren_blink_timeout PARAMS((int));
|
||||
|
||||
/* Undocumented. */
|
||||
extern int rl_maybe_save_line PARAMS((void));
|
||||
extern int rl_maybe_unsave_line PARAMS((void));
|
||||
extern int rl_maybe_replace_line PARAMS((void));
|
||||
|
||||
/* Completion functions. */
|
||||
extern int rl_complete_internal PARAMS((int));
|
||||
extern void rl_display_match_list PARAMS((char **, int, int));
|
||||
|
||||
extern char **rl_completion_matches PARAMS((const char *, rl_compentry_func_t *));
|
||||
extern char *rl_username_completion_function PARAMS((const char *, int));
|
||||
extern char *rl_filename_completion_function PARAMS((const char *, int));
|
||||
|
||||
extern int rl_completion_mode PARAMS((rl_command_func_t *));
|
||||
|
||||
#if 0
|
||||
/* Backwards compatibility (compat.c). These will go away sometime. */
|
||||
extern void free_undo_list PARAMS((void));
|
||||
extern int maybe_save_line PARAMS((void));
|
||||
extern int maybe_unsave_line PARAMS((void));
|
||||
extern int maybe_replace_line PARAMS((void));
|
||||
|
||||
extern int ding PARAMS((void));
|
||||
extern int alphabetic PARAMS((int));
|
||||
extern int crlf PARAMS((void));
|
||||
|
||||
extern char **completion_matches PARAMS((char *, rl_compentry_func_t *));
|
||||
extern char *username_completion_function PARAMS((const char *, int));
|
||||
extern char *filename_completion_function PARAMS((const char *, int));
|
||||
#endif
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Well Published Variables */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
/* The version of this incarnation of the readline library. */
|
||||
extern const char *rl_library_version; /* e.g., "4.2" */
|
||||
extern int rl_readline_version; /* e.g., 0x0402 */
|
||||
|
||||
/* True if this is real GNU readline. */
|
||||
extern int rl_gnu_readline_p;
|
||||
|
||||
/* Flags word encapsulating the current readline state. */
|
||||
extern int rl_readline_state;
|
||||
|
||||
/* Says which editing mode readline is currently using. 1 means emacs mode;
|
||||
0 means vi mode. */
|
||||
extern int rl_editing_mode;
|
||||
|
||||
/* Insert or overwrite mode for emacs mode. 1 means insert mode; 0 means
|
||||
overwrite mode. Reset to insert mode on each input line. */
|
||||
extern int rl_insert_mode;
|
||||
|
||||
/* The name of the calling program. You should initialize this to
|
||||
whatever was in argv[0]. It is used when parsing conditionals. */
|
||||
extern const char *rl_readline_name;
|
||||
|
||||
/* The prompt readline uses. This is set from the argument to
|
||||
readline (), and should not be assigned to directly. */
|
||||
extern char *rl_prompt;
|
||||
|
||||
/* The prompt string that is actually displayed by rl_redisplay. Public so
|
||||
applications can more easily supply their own redisplay functions. */
|
||||
extern char *rl_display_prompt;
|
||||
|
||||
/* The line buffer that is in use. */
|
||||
extern char *rl_line_buffer;
|
||||
|
||||
/* The location of point, and end. */
|
||||
extern int rl_point;
|
||||
extern int rl_end;
|
||||
|
||||
/* The mark, or saved cursor position. */
|
||||
extern int rl_mark;
|
||||
|
||||
/* Flag to indicate that readline has finished with the current input
|
||||
line and should return it. */
|
||||
extern int rl_done;
|
||||
|
||||
/* If set to a character value, that will be the next keystroke read. */
|
||||
extern int rl_pending_input;
|
||||
|
||||
/* Non-zero if we called this function from _rl_dispatch(). It's present
|
||||
so functions can find out whether they were called from a key binding
|
||||
or directly from an application. */
|
||||
extern int rl_dispatching;
|
||||
|
||||
/* Non-zero if the user typed a numeric argument before executing the
|
||||
current function. */
|
||||
extern int rl_explicit_arg;
|
||||
|
||||
/* The current value of the numeric argument specified by the user. */
|
||||
extern int rl_numeric_arg;
|
||||
|
||||
/* The address of the last command function Readline executed. */
|
||||
extern rl_command_func_t *rl_last_func;
|
||||
|
||||
/* The name of the terminal to use. */
|
||||
extern const char *rl_terminal_name;
|
||||
|
||||
/* The input and output streams. */
|
||||
extern FILE *rl_instream;
|
||||
extern FILE *rl_outstream;
|
||||
|
||||
/* If non-zero, Readline gives values of LINES and COLUMNS from the environment
|
||||
greater precedence than values fetched from the kernel when computing the
|
||||
screen dimensions. */
|
||||
extern int rl_prefer_env_winsize;
|
||||
|
||||
/* If non-zero, then this is the address of a function to call just
|
||||
before readline_internal () prints the first prompt. */
|
||||
extern rl_hook_func_t *rl_startup_hook;
|
||||
|
||||
/* If non-zero, this is the address of a function to call just before
|
||||
readline_internal_setup () returns and readline_internal starts
|
||||
reading input characters. */
|
||||
extern rl_hook_func_t *rl_pre_input_hook;
|
||||
|
||||
/* The address of a function to call periodically while Readline is
|
||||
awaiting character input, or NULL, for no event handling. */
|
||||
extern rl_hook_func_t *rl_event_hook;
|
||||
|
||||
/* The address of the function to call to fetch a character from the current
|
||||
Readline input stream */
|
||||
extern rl_getc_func_t *rl_getc_function;
|
||||
|
||||
extern rl_voidfunc_t *rl_redisplay_function;
|
||||
|
||||
extern rl_vintfunc_t *rl_prep_term_function;
|
||||
extern rl_voidfunc_t *rl_deprep_term_function;
|
||||
|
||||
/* Dispatch variables. */
|
||||
extern Keymap rl_executing_keymap;
|
||||
extern Keymap rl_binding_keymap;
|
||||
|
||||
/* Display variables. */
|
||||
/* If non-zero, readline will erase the entire line, including any prompt,
|
||||
if the only thing typed on an otherwise-blank line is something bound to
|
||||
rl_newline. */
|
||||
extern int rl_erase_empty_line;
|
||||
|
||||
/* If non-zero, the application has already printed the prompt (rl_prompt)
|
||||
before calling readline, so readline should not output it the first time
|
||||
redisplay is done. */
|
||||
extern int rl_already_prompted;
|
||||
|
||||
/* A non-zero value means to read only this many characters rather than
|
||||
up to a character bound to accept-line. */
|
||||
extern int rl_num_chars_to_read;
|
||||
|
||||
/* The text of a currently-executing keyboard macro. */
|
||||
extern char *rl_executing_macro;
|
||||
|
||||
/* Variables to control readline signal handling. */
|
||||
/* If non-zero, readline will install its own signal handlers for
|
||||
SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
|
||||
extern int rl_catch_signals;
|
||||
|
||||
/* If non-zero, readline will install a signal handler for SIGWINCH
|
||||
that also attempts to call any calling application's SIGWINCH signal
|
||||
handler. Note that the terminal is not cleaned up before the
|
||||
application's signal handler is called; use rl_cleanup_after_signal()
|
||||
to do that. */
|
||||
extern int rl_catch_sigwinch;
|
||||
|
||||
/* Completion variables. */
|
||||
/* Pointer to the generator function for completion_matches ().
|
||||
NULL means to use rl_filename_completion_function (), the default
|
||||
filename completer. */
|
||||
extern rl_compentry_func_t *rl_completion_entry_function;
|
||||
|
||||
/* Optional generator for menu completion. Default is
|
||||
rl_completion_entry_function (rl_filename_completion_function). */
|
||||
extern rl_compentry_func_t *rl_menu_completion_entry_function;
|
||||
|
||||
/* If rl_ignore_some_completions_function is non-NULL it is the address
|
||||
of a function to call after all of the possible matches have been
|
||||
generated, but before the actual completion is done to the input line.
|
||||
The function is called with one argument; a NULL terminated array
|
||||
of (char *). If your function removes any of the elements, they
|
||||
must be free()'ed. */
|
||||
extern rl_compignore_func_t *rl_ignore_some_completions_function;
|
||||
|
||||
/* Pointer to alternative function to create matches.
|
||||
Function is called with TEXT, START, and END.
|
||||
START and END are indices in RL_LINE_BUFFER saying what the boundaries
|
||||
of TEXT are.
|
||||
If this function exists and returns NULL then call the value of
|
||||
rl_completion_entry_function to try to match, otherwise use the
|
||||
array of strings returned. */
|
||||
extern rl_completion_func_t *rl_attempted_completion_function;
|
||||
|
||||
/* The basic list of characters that signal a break between words for the
|
||||
completer routine. The initial contents of this variable is what
|
||||
breaks words in the shell, i.e. "n\"\\'`@$>". */
|
||||
extern const char *rl_basic_word_break_characters;
|
||||
|
||||
/* The list of characters that signal a break between words for
|
||||
rl_complete_internal. The default list is the contents of
|
||||
rl_basic_word_break_characters. */
|
||||
extern /*const*/ char *rl_completer_word_break_characters;
|
||||
|
||||
/* Hook function to allow an application to set the completion word
|
||||
break characters before readline breaks up the line. Allows
|
||||
position-dependent word break characters. */
|
||||
extern rl_cpvfunc_t *rl_completion_word_break_hook;
|
||||
|
||||
/* List of characters which can be used to quote a substring of the line.
|
||||
Completion occurs on the entire substring, and within the substring
|
||||
rl_completer_word_break_characters are treated as any other character,
|
||||
unless they also appear within this list. */
|
||||
extern const char *rl_completer_quote_characters;
|
||||
|
||||
/* List of quote characters which cause a word break. */
|
||||
extern const char *rl_basic_quote_characters;
|
||||
|
||||
/* List of characters that need to be quoted in filenames by the completer. */
|
||||
extern const char *rl_filename_quote_characters;
|
||||
|
||||
/* List of characters that are word break characters, but should be left
|
||||
in TEXT when it is passed to the completion function. The shell uses
|
||||
this to help determine what kind of completing to do. */
|
||||
extern const char *rl_special_prefixes;
|
||||
|
||||
/* If non-zero, then this is the address of a function to call when
|
||||
completing on a directory name. The function is called with
|
||||
the address of a string (the current directory name) as an arg. It
|
||||
changes what is displayed when the possible completions are printed
|
||||
or inserted. The directory completion hook should perform
|
||||
any necessary dequoting. This function should return 1 if it modifies
|
||||
the directory name pointer passed as an argument. If the directory
|
||||
completion hook returns 0, it should not modify the directory name
|
||||
pointer passed as an argument. */
|
||||
extern rl_icppfunc_t *rl_directory_completion_hook;
|
||||
|
||||
/* If non-zero, this is the address of a function to call when completing
|
||||
a directory name. This function takes the address of the directory name
|
||||
to be modified as an argument. Unlike rl_directory_completion_hook, it
|
||||
only modifies the directory name used in opendir(2), not what is displayed
|
||||
when the possible completions are printed or inserted. If set, it takes
|
||||
precedence over rl_directory_completion_hook. The directory rewrite
|
||||
hook should perform any necessary dequoting. This function has the same
|
||||
return value properties as the directory_completion_hook.
|
||||
|
||||
I'm not happy with how this works yet, so it's undocumented. I'm trying
|
||||
it in bash to see how well it goes. */
|
||||
extern rl_icppfunc_t *rl_directory_rewrite_hook;
|
||||
|
||||
/* If non-zero, this is the address of a function to call when reading
|
||||
directory entries from the filesystem for completion and comparing
|
||||
them to the partial word to be completed. The function should
|
||||
either return its first argument (if no conversion takes place) or
|
||||
newly-allocated memory. This can, for instance, convert filenames
|
||||
between character sets for comparison against what's typed at the
|
||||
keyboard. The returned value is what is added to the list of
|
||||
matches. The second argument is the length of the filename to be
|
||||
converted. */
|
||||
extern rl_dequote_func_t *rl_filename_rewrite_hook;
|
||||
|
||||
/* Backwards compatibility with previous versions of readline. */
|
||||
#define rl_symbolic_link_hook rl_directory_completion_hook
|
||||
|
||||
/* If non-zero, then this is the address of a function to call when
|
||||
completing a word would normally display the list of possible matches.
|
||||
This function is called instead of actually doing the display.
|
||||
It takes three arguments: (char **matches, int num_matches, int max_length)
|
||||
where MATCHES is the array of strings that matched, NUM_MATCHES is the
|
||||
number of strings in that array, and MAX_LENGTH is the length of the
|
||||
longest string in that array. */
|
||||
extern rl_compdisp_func_t *rl_completion_display_matches_hook;
|
||||
|
||||
/* Non-zero means that the results of the matches are to be treated
|
||||
as filenames. This is ALWAYS zero on entry, and can only be changed
|
||||
within a completion entry finder function. */
|
||||
extern int rl_filename_completion_desired;
|
||||
|
||||
/* Non-zero means that the results of the matches are to be quoted using
|
||||
double quotes (or an application-specific quoting mechanism) if the
|
||||
filename contains any characters in rl_word_break_chars. This is
|
||||
ALWAYS non-zero on entry, and can only be changed within a completion
|
||||
entry finder function. */
|
||||
extern int rl_filename_quoting_desired;
|
||||
|
||||
/* Set to a function to quote a filename in an application-specific fashion.
|
||||
Called with the text to quote, the type of match found (single or multiple)
|
||||
and a pointer to the quoting character to be used, which the function can
|
||||
reset if desired. */
|
||||
extern rl_quote_func_t *rl_filename_quoting_function;
|
||||
|
||||
/* Function to call to remove quoting characters from a filename. Called
|
||||
before completion is attempted, so the embedded quotes do not interfere
|
||||
with matching names in the file system. */
|
||||
extern rl_dequote_func_t *rl_filename_dequoting_function;
|
||||
|
||||
/* Function to call to decide whether or not a word break character is
|
||||
quoted. If a character is quoted, it does not break words for the
|
||||
completer. */
|
||||
extern rl_linebuf_func_t *rl_char_is_quoted_p;
|
||||
|
||||
/* Non-zero means to suppress normal filename completion after the
|
||||
user-specified completion function has been called. */
|
||||
extern int rl_attempted_completion_over;
|
||||
|
||||
/* Set to a character describing the type of completion being attempted by
|
||||
rl_complete_internal; available for use by application completion
|
||||
functions. */
|
||||
extern int rl_completion_type;
|
||||
|
||||
/* Set to the last key used to invoke one of the completion functions */
|
||||
extern int rl_completion_invoking_key;
|
||||
|
||||
/* Up to this many items will be displayed in response to a
|
||||
possible-completions call. After that, we ask the user if she
|
||||
is sure she wants to see them all. The default value is 100. */
|
||||
extern int rl_completion_query_items;
|
||||
|
||||
/* Character appended to completed words when at the end of the line. The
|
||||
default is a space. Nothing is added if this is '\0'. */
|
||||
extern int rl_completion_append_character;
|
||||
|
||||
/* If set to non-zero by an application completion function,
|
||||
rl_completion_append_character will not be appended. */
|
||||
extern int rl_completion_suppress_append;
|
||||
|
||||
/* Set to any quote character readline thinks it finds before any application
|
||||
completion function is called. */
|
||||
extern int rl_completion_quote_character;
|
||||
|
||||
/* Set to a non-zero value if readline found quoting anywhere in the word to
|
||||
be completed; set before any application completion function is called. */
|
||||
extern int rl_completion_found_quote;
|
||||
|
||||
/* If non-zero, the completion functions don't append any closing quote.
|
||||
This is set to 0 by rl_complete_internal and may be changed by an
|
||||
application-specific completion function. */
|
||||
extern int rl_completion_suppress_quote;
|
||||
|
||||
/* If non-zero, readline will sort the completion matches. On by default. */
|
||||
extern int rl_sort_completion_matches;
|
||||
|
||||
/* If non-zero, a slash will be appended to completed filenames that are
|
||||
symbolic links to directory names, subject to the value of the
|
||||
mark-directories variable (which is user-settable). This exists so
|
||||
that application completion functions can override the user's preference
|
||||
(set via the mark-symlinked-directories variable) if appropriate.
|
||||
It's set to the value of _rl_complete_mark_symlink_dirs in
|
||||
rl_complete_internal before any application-specific completion
|
||||
function is called, so without that function doing anything, the user's
|
||||
preferences are honored. */
|
||||
extern int rl_completion_mark_symlink_dirs;
|
||||
|
||||
/* If non-zero, then disallow duplicates in the matches. */
|
||||
extern int rl_ignore_completion_duplicates;
|
||||
|
||||
/* If this is non-zero, completion is (temporarily) inhibited, and the
|
||||
completion character will be inserted as any other. */
|
||||
extern int rl_inhibit_completion;
|
||||
|
||||
/* Input error; can be returned by (*rl_getc_function) if readline is reading
|
||||
a top-level command (RL_ISSTATE (RL_STATE_READCMD)). */
|
||||
#define READERR (-2)
|
||||
|
||||
/* Definitions available for use by readline clients. */
|
||||
#define RL_PROMPT_START_IGNORE '\001'
|
||||
#define RL_PROMPT_END_IGNORE '\002'
|
||||
|
||||
/* Possible values for do_replace argument to rl_filename_quoting_function,
|
||||
called by rl_complete_internal. */
|
||||
#define NO_MATCH 0
|
||||
#define SINGLE_MATCH 1
|
||||
#define MULT_MATCH 2
|
||||
|
||||
/* Possible state values for rl_readline_state */
|
||||
#define RL_STATE_NONE 0x000000 /* no state; before first call */
|
||||
|
||||
#define RL_STATE_INITIALIZING 0x0000001 /* initializing */
|
||||
#define RL_STATE_INITIALIZED 0x0000002 /* initialization done */
|
||||
#define RL_STATE_TERMPREPPED 0x0000004 /* terminal is prepped */
|
||||
#define RL_STATE_READCMD 0x0000008 /* reading a command key */
|
||||
#define RL_STATE_METANEXT 0x0000010 /* reading input after ESC */
|
||||
#define RL_STATE_DISPATCHING 0x0000020 /* dispatching to a command */
|
||||
#define RL_STATE_MOREINPUT 0x0000040 /* reading more input in a command function */
|
||||
#define RL_STATE_ISEARCH 0x0000080 /* doing incremental search */
|
||||
#define RL_STATE_NSEARCH 0x0000100 /* doing non-inc search */
|
||||
#define RL_STATE_SEARCH 0x0000200 /* doing a history search */
|
||||
#define RL_STATE_NUMERICARG 0x0000400 /* reading numeric argument */
|
||||
#define RL_STATE_MACROINPUT 0x0000800 /* getting input from a macro */
|
||||
#define RL_STATE_MACRODEF 0x0001000 /* defining keyboard macro */
|
||||
#define RL_STATE_OVERWRITE 0x0002000 /* overwrite mode */
|
||||
#define RL_STATE_COMPLETING 0x0004000 /* doing completion */
|
||||
#define RL_STATE_SIGHANDLER 0x0008000 /* in readline sighandler */
|
||||
#define RL_STATE_UNDOING 0x0010000 /* doing an undo */
|
||||
#define RL_STATE_INPUTPENDING 0x0020000 /* rl_execute_next called */
|
||||
#define RL_STATE_TTYCSAVED 0x0040000 /* tty special chars saved */
|
||||
#define RL_STATE_CALLBACK 0x0080000 /* using the callback interface */
|
||||
#define RL_STATE_VIMOTION 0x0100000 /* reading vi motion arg */
|
||||
#define RL_STATE_MULTIKEY 0x0200000 /* reading multiple-key command */
|
||||
#define RL_STATE_VICMDONCE 0x0400000 /* entered vi command mode at least once */
|
||||
#define RL_STATE_REDISPLAYING 0x0800000 /* updating terminal display */
|
||||
|
||||
#define RL_STATE_DONE 0x1000000 /* done; accepted line */
|
||||
|
||||
#define RL_SETSTATE(x) (rl_readline_state |= (x))
|
||||
#define RL_UNSETSTATE(x) (rl_readline_state &= ~(x))
|
||||
#define RL_ISSTATE(x) (rl_readline_state & (x))
|
||||
|
||||
struct readline_state {
|
||||
/* line state */
|
||||
int point;
|
||||
int end;
|
||||
int mark;
|
||||
char *buffer;
|
||||
int buflen;
|
||||
UNDO_LIST *ul;
|
||||
char *prompt;
|
||||
|
||||
/* global state */
|
||||
int rlstate;
|
||||
int done;
|
||||
Keymap kmap;
|
||||
|
||||
/* input state */
|
||||
rl_command_func_t *lastfunc;
|
||||
int insmode;
|
||||
int edmode;
|
||||
int kseqlen;
|
||||
FILE *inf;
|
||||
FILE *outf;
|
||||
int pendingin;
|
||||
char *macro;
|
||||
|
||||
/* signal state */
|
||||
int catchsigs;
|
||||
int catchsigwinch;
|
||||
|
||||
/* search state */
|
||||
|
||||
/* completion state */
|
||||
|
||||
/* options state */
|
||||
|
||||
/* reserved for future expansion, so the struct size doesn't change */
|
||||
char reserved[64];
|
||||
};
|
||||
|
||||
extern int rl_save_state PARAMS((struct readline_state *));
|
||||
extern int rl_restore_state PARAMS((struct readline_state *));
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _READLINE_H_ */
|
||||
@@ -1,506 +0,0 @@
|
||||
/* rlprivate.h -- functions and variables global to the readline library,
|
||||
but not intended for use by applications. */
|
||||
|
||||
/* Copyright (C) 1999-2010 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/>.
|
||||
*/
|
||||
|
||||
#if !defined (_RL_PRIVATE_H_)
|
||||
#define _RL_PRIVATE_H_
|
||||
|
||||
#include "rlconf.h" /* for VISIBLE_STATS */
|
||||
#include "rlstdc.h"
|
||||
#include "posixjmp.h" /* defines procenv_t */
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Convenience definitions *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
#define EMACS_MODE() (rl_editing_mode == emacs_mode)
|
||||
#define VI_COMMAND_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
|
||||
#define VI_INSERT_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_insertion_keymap)
|
||||
|
||||
#define RL_CHECK_SIGNALS() \
|
||||
do { \
|
||||
if (_rl_caught_signal) _rl_signal_handler (_rl_caught_signal); \
|
||||
} while (0)
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Global structs undocumented in texinfo manual and not in readline.h *
|
||||
* *
|
||||
*************************************************************************/
|
||||
/* search types */
|
||||
#define RL_SEARCH_ISEARCH 0x01 /* incremental search */
|
||||
#define RL_SEARCH_NSEARCH 0x02 /* non-incremental search */
|
||||
#define RL_SEARCH_CSEARCH 0x04 /* intra-line char search */
|
||||
|
||||
/* search flags */
|
||||
#define SF_REVERSE 0x01
|
||||
#define SF_FOUND 0x02
|
||||
#define SF_FAILED 0x04
|
||||
#define SF_CHGKMAP 0x08
|
||||
|
||||
typedef struct __rl_search_context
|
||||
{
|
||||
int type;
|
||||
int sflags;
|
||||
|
||||
char *search_string;
|
||||
int search_string_index;
|
||||
int search_string_size;
|
||||
|
||||
char **lines;
|
||||
char *allocated_line;
|
||||
int hlen;
|
||||
int hindex;
|
||||
|
||||
int save_point;
|
||||
int save_mark;
|
||||
int save_line;
|
||||
int last_found_line;
|
||||
char *prev_line_found;
|
||||
|
||||
UNDO_LIST *save_undo_list;
|
||||
|
||||
Keymap keymap; /* used when dispatching commands in search string */
|
||||
Keymap okeymap; /* original keymap */
|
||||
|
||||
int history_pos;
|
||||
int direction;
|
||||
|
||||
int lastc;
|
||||
#if defined (HANDLE_MULTIBYTE)
|
||||
char mb[MB_LEN_MAX];
|
||||
#endif
|
||||
|
||||
char *sline;
|
||||
int sline_len;
|
||||
int sline_index;
|
||||
|
||||
char *search_terminators;
|
||||
} _rl_search_cxt;
|
||||
|
||||
/* Callback data for reading numeric arguments */
|
||||
#define NUM_SAWMINUS 0x01
|
||||
#define NUM_SAWDIGITS 0x02
|
||||
#define NUM_READONE 0x04
|
||||
|
||||
typedef int _rl_arg_cxt;
|
||||
|
||||
/* A context for reading key sequences longer than a single character when
|
||||
using the callback interface. */
|
||||
#define KSEQ_DISPATCHED 0x01
|
||||
#define KSEQ_SUBSEQ 0x02
|
||||
#define KSEQ_RECURSIVE 0x04
|
||||
|
||||
typedef struct __rl_keyseq_context
|
||||
{
|
||||
int flags;
|
||||
int subseq_arg;
|
||||
int subseq_retval; /* XXX */
|
||||
Keymap dmap;
|
||||
|
||||
Keymap oldmap;
|
||||
int okey;
|
||||
struct __rl_keyseq_context *ocxt;
|
||||
int childval;
|
||||
} _rl_keyseq_cxt;
|
||||
|
||||
/* vi-mode commands that use result of motion command to define boundaries */
|
||||
#define VIM_DELETE 0x01
|
||||
#define VIM_CHANGE 0x02
|
||||
#define VIM_YANK 0x04
|
||||
|
||||
/* various states for vi-mode commands that use motion commands. reflects
|
||||
RL_READLINE_STATE */
|
||||
#define VMSTATE_READ 0x01
|
||||
#define VMSTATE_NUMARG 0x02
|
||||
|
||||
typedef struct __rl_vimotion_context
|
||||
{
|
||||
int op;
|
||||
int state;
|
||||
int flags; /* reserved */
|
||||
_rl_arg_cxt ncxt;
|
||||
int numeric_arg;
|
||||
int start, end; /* rl_point, rl_end */
|
||||
int key, motion; /* initial key, motion command */
|
||||
} _rl_vimotion_cxt;
|
||||
|
||||
/* fill in more as needed */
|
||||
/* `Generic' callback data and functions */
|
||||
typedef struct __rl_callback_generic_arg
|
||||
{
|
||||
int count;
|
||||
int i1, i2;
|
||||
/* add here as needed */
|
||||
} _rl_callback_generic_arg;
|
||||
|
||||
typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Global functions undocumented in texinfo manual and not in readline.h *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Global variables undocumented in texinfo manual and not in readline.h *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
/* complete.c */
|
||||
extern int rl_complete_with_tilde_expansion;
|
||||
#if defined (VISIBLE_STATS)
|
||||
extern int rl_visible_stats;
|
||||
#endif /* VISIBLE_STATS */
|
||||
|
||||
/* readline.c */
|
||||
extern int rl_line_buffer_len;
|
||||
extern int rl_arg_sign;
|
||||
extern int rl_visible_prompt_length;
|
||||
extern int rl_key_sequence_length;
|
||||
extern int rl_byte_oriented;
|
||||
|
||||
/* display.c */
|
||||
extern int rl_display_fixed;
|
||||
|
||||
/* parens.c */
|
||||
extern int rl_blink_matching_paren;
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Global functions and variables unsed and undocumented *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
/* kill.c */
|
||||
extern int rl_set_retained_kills PARAMS((int));
|
||||
|
||||
/* terminal.c */
|
||||
extern void _rl_set_screen_size PARAMS((int, int));
|
||||
|
||||
/* undo.c */
|
||||
extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));
|
||||
|
||||
/* util.c */
|
||||
extern char *_rl_savestring PARAMS((const char *));
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Functions and variables private to the readline library *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
/* NOTE: Functions and variables prefixed with `_rl_' are
|
||||
pseudo-global: they are global so they can be shared
|
||||
between files in the readline library, but are not intended
|
||||
to be visible to readline callers. */
|
||||
|
||||
/*************************************************************************
|
||||
* Undocumented private functions *
|
||||
*************************************************************************/
|
||||
|
||||
#if defined(READLINE_CALLBACKS)
|
||||
|
||||
/* readline.c */
|
||||
extern void readline_internal_setup PARAMS((void));
|
||||
extern char *readline_internal_teardown PARAMS((int));
|
||||
extern int readline_internal_char PARAMS((void));
|
||||
|
||||
extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
|
||||
extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
|
||||
extern void _rl_keyseq_chain_dispose PARAMS((void));
|
||||
|
||||
extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
|
||||
|
||||
/* callback.c */
|
||||
extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
|
||||
extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
|
||||
|
||||
#endif /* READLINE_CALLBACKS */
|
||||
|
||||
/* bind.c */
|
||||
|
||||
/* complete.c */
|
||||
extern void _rl_reset_completion_state PARAMS((void));
|
||||
extern char _rl_find_completion_word PARAMS((int *, int *));
|
||||
extern void _rl_free_match_list PARAMS((char **));
|
||||
|
||||
/* display.c */
|
||||
extern char *_rl_strip_prompt PARAMS((char *));
|
||||
extern void _rl_move_cursor_relative PARAMS((int, const char *));
|
||||
extern void _rl_move_vert PARAMS((int));
|
||||
extern void _rl_save_prompt PARAMS((void));
|
||||
extern void _rl_restore_prompt PARAMS((void));
|
||||
extern char *_rl_make_prompt_for_search PARAMS((int));
|
||||
extern void _rl_erase_at_end_of_line PARAMS((int));
|
||||
extern void _rl_clear_to_eol PARAMS((int));
|
||||
extern void _rl_clear_screen PARAMS((void));
|
||||
extern void _rl_update_final PARAMS((void));
|
||||
extern void _rl_redisplay_after_sigwinch PARAMS((void));
|
||||
extern void _rl_clean_up_for_exit PARAMS((void));
|
||||
extern void _rl_erase_entire_line PARAMS((void));
|
||||
extern int _rl_current_display_line PARAMS((void));
|
||||
|
||||
/* input.c */
|
||||
extern int _rl_any_typein PARAMS((void));
|
||||
extern int _rl_input_available PARAMS((void));
|
||||
extern int _rl_input_queued PARAMS((int));
|
||||
extern void _rl_insert_typein PARAMS((int));
|
||||
extern int _rl_unget_char PARAMS((int));
|
||||
extern int _rl_pushed_input_available PARAMS((void));
|
||||
|
||||
/* isearch.c */
|
||||
extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
|
||||
extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
|
||||
|
||||
extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
|
||||
extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
|
||||
|
||||
extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
|
||||
|
||||
/* macro.c */
|
||||
extern void _rl_with_macro_input PARAMS((char *));
|
||||
extern int _rl_next_macro_key PARAMS((void));
|
||||
extern void _rl_push_executing_macro PARAMS((void));
|
||||
extern void _rl_pop_executing_macro PARAMS((void));
|
||||
extern void _rl_add_macro_char PARAMS((int));
|
||||
extern void _rl_kill_kbd_macro PARAMS((void));
|
||||
|
||||
/* misc.c */
|
||||
extern int _rl_arg_overflow PARAMS((void));
|
||||
extern void _rl_arg_init PARAMS((void));
|
||||
extern int _rl_arg_getchar PARAMS((void));
|
||||
extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
|
||||
extern void _rl_reset_argument PARAMS((void));
|
||||
|
||||
extern void _rl_start_using_history PARAMS((void));
|
||||
extern int _rl_free_saved_history_line PARAMS((void));
|
||||
extern void _rl_set_insert_mode PARAMS((int, int));
|
||||
|
||||
extern void _rl_revert_all_lines PARAMS((void));
|
||||
|
||||
/* nls.c */
|
||||
extern int _rl_init_eightbit PARAMS((void));
|
||||
|
||||
/* parens.c */
|
||||
extern void _rl_enable_paren_matching PARAMS((int));
|
||||
|
||||
/* readline.c */
|
||||
extern void _rl_init_line_state PARAMS((void));
|
||||
extern void _rl_set_the_line PARAMS((void));
|
||||
extern int _rl_dispatch PARAMS((int, Keymap));
|
||||
extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
|
||||
extern void _rl_internal_char_cleanup PARAMS((void));
|
||||
|
||||
/* rltty.c */
|
||||
extern int _rl_disable_tty_signals PARAMS((void));
|
||||
extern int _rl_restore_tty_signals PARAMS((void));
|
||||
|
||||
/* search.c */
|
||||
extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
|
||||
|
||||
/* signals.c */
|
||||
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));
|
||||
extern int _rl_init_terminal_io PARAMS((const char *));
|
||||
#ifdef _MINIX
|
||||
extern void _rl_output_character_function PARAMS((int));
|
||||
#else
|
||||
extern int _rl_output_character_function PARAMS((int));
|
||||
#endif
|
||||
extern void _rl_output_some_chars PARAMS((const char *, int));
|
||||
extern int _rl_backspace PARAMS((int));
|
||||
extern void _rl_enable_meta_key PARAMS((void));
|
||||
extern void _rl_control_keypad PARAMS((int));
|
||||
extern void _rl_set_cursor PARAMS((int, int));
|
||||
|
||||
/* text.c */
|
||||
extern void _rl_fix_point PARAMS((int));
|
||||
extern int _rl_replace_text PARAMS((const char *, int, int));
|
||||
extern int _rl_forward_char_internal PARAMS((int));
|
||||
extern int _rl_insert_char PARAMS((int, int));
|
||||
extern int _rl_overwrite_char PARAMS((int, int));
|
||||
extern int _rl_overwrite_rubout PARAMS((int, int));
|
||||
extern int _rl_rubout_char PARAMS((int, int));
|
||||
#if defined (HANDLE_MULTIBYTE)
|
||||
extern int _rl_char_search_internal PARAMS((int, int, char *, int));
|
||||
#else
|
||||
extern int _rl_char_search_internal PARAMS((int, int, int));
|
||||
#endif
|
||||
extern int _rl_set_mark_at_pos PARAMS((int));
|
||||
|
||||
/* undo.c */
|
||||
extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *));
|
||||
extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *));
|
||||
|
||||
/* util.c */
|
||||
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
|
||||
extern void _rl_ttymsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
extern void _rl_errmsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
extern void _rl_trace (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
|
||||
#else
|
||||
extern void _rl_ttymsg ();
|
||||
extern void _rl_errmsg ();
|
||||
extern void _rl_trace ();
|
||||
#endif
|
||||
|
||||
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));
|
||||
extern int (_rl_lowercase_p) PARAMS((int));
|
||||
extern int (_rl_pure_alphabetic) PARAMS((int));
|
||||
extern int (_rl_digit_p) PARAMS((int));
|
||||
extern int (_rl_to_lower) PARAMS((int));
|
||||
extern int (_rl_to_upper) PARAMS((int));
|
||||
extern int (_rl_digit_value) PARAMS((int));
|
||||
|
||||
/* vi_mode.c */
|
||||
extern void _rl_vi_initialize_line PARAMS((void));
|
||||
extern void _rl_vi_reset_last PARAMS((void));
|
||||
extern void _rl_vi_set_last PARAMS((int, int, int));
|
||||
extern int _rl_vi_textmod_command PARAMS((int));
|
||||
extern void _rl_vi_done_inserting PARAMS((void));
|
||||
extern int _rl_vi_domove_callback PARAMS((_rl_vimotion_cxt *));
|
||||
|
||||
/*************************************************************************
|
||||
* Undocumented private variables *
|
||||
*************************************************************************/
|
||||
|
||||
/* bind.c */
|
||||
extern const char * const _rl_possible_control_prefixes[];
|
||||
extern const char * const _rl_possible_meta_prefixes[];
|
||||
|
||||
/* callback.c */
|
||||
extern _rl_callback_func_t *_rl_callback_func;
|
||||
extern _rl_callback_generic_arg *_rl_callback_data;
|
||||
|
||||
/* complete.c */
|
||||
extern int _rl_complete_show_all;
|
||||
extern int _rl_complete_show_unmodified;
|
||||
extern int _rl_complete_mark_directories;
|
||||
extern int _rl_complete_mark_symlink_dirs;
|
||||
extern int _rl_completion_prefix_display_length;
|
||||
extern int _rl_completion_columns;
|
||||
extern int _rl_print_completions_horizontally;
|
||||
extern int _rl_completion_case_fold;
|
||||
extern int _rl_completion_case_map;
|
||||
extern int _rl_match_hidden_files;
|
||||
extern int _rl_page_completions;
|
||||
extern int _rl_skip_completed_text;
|
||||
extern int _rl_menu_complete_prefix_first;
|
||||
|
||||
/* display.c */
|
||||
extern int _rl_vis_botlin;
|
||||
extern int _rl_last_c_pos;
|
||||
extern int _rl_suppress_redisplay;
|
||||
extern int _rl_want_redisplay;
|
||||
|
||||
/* isearch.c */
|
||||
extern char *_rl_isearch_terminators;
|
||||
|
||||
extern _rl_search_cxt *_rl_iscxt;
|
||||
|
||||
/* macro.c */
|
||||
extern char *_rl_executing_macro;
|
||||
|
||||
/* misc.c */
|
||||
extern int _rl_history_preserve_point;
|
||||
extern int _rl_history_saved_point;
|
||||
|
||||
extern _rl_arg_cxt _rl_argcxt;
|
||||
|
||||
/* readline.c */
|
||||
extern int _rl_echoing_p;
|
||||
extern int _rl_horizontal_scroll_mode;
|
||||
extern int _rl_mark_modified_lines;
|
||||
extern int _rl_bell_preference;
|
||||
extern int _rl_meta_flag;
|
||||
extern int _rl_convert_meta_chars_to_ascii;
|
||||
extern int _rl_output_meta_chars;
|
||||
extern int _rl_bind_stty_chars;
|
||||
extern int _rl_revert_all_at_newline;
|
||||
extern int _rl_echo_control_chars;
|
||||
extern char *_rl_comment_begin;
|
||||
extern unsigned char _rl_parsing_conditionalized_out;
|
||||
extern Keymap _rl_keymap;
|
||||
extern FILE *_rl_in_stream;
|
||||
extern FILE *_rl_out_stream;
|
||||
extern int _rl_last_command_was_kill;
|
||||
extern int _rl_eof_char;
|
||||
extern procenv_t _rl_top_level;
|
||||
extern _rl_keyseq_cxt *_rl_kscxt;
|
||||
|
||||
/* search.c */
|
||||
extern _rl_search_cxt *_rl_nscxt;
|
||||
|
||||
/* signals.c */
|
||||
extern int _rl_interrupt_immediately;
|
||||
extern int volatile _rl_caught_signal;
|
||||
|
||||
extern int _rl_echoctl;
|
||||
|
||||
extern int _rl_intr_char;
|
||||
extern int _rl_quit_char;
|
||||
extern int _rl_susp_char;
|
||||
|
||||
/* terminal.c */
|
||||
extern int _rl_enable_keypad;
|
||||
extern int _rl_enable_meta;
|
||||
extern char *_rl_term_clreol;
|
||||
extern char *_rl_term_clrpag;
|
||||
extern char *_rl_term_im;
|
||||
extern char *_rl_term_ic;
|
||||
extern char *_rl_term_ei;
|
||||
extern char *_rl_term_DC;
|
||||
extern char *_rl_term_up;
|
||||
extern char *_rl_term_dc;
|
||||
extern char *_rl_term_cr;
|
||||
extern char *_rl_term_IC;
|
||||
extern char *_rl_term_forward_char;
|
||||
extern int _rl_screenheight;
|
||||
extern int _rl_screenwidth;
|
||||
extern int _rl_screenchars;
|
||||
extern int _rl_terminal_can_insert;
|
||||
extern int _rl_term_autowrap;
|
||||
|
||||
/* undo.c */
|
||||
extern int _rl_doing_an_undo;
|
||||
extern int _rl_undo_group_level;
|
||||
|
||||
/* vi_mode.c */
|
||||
extern int _rl_vi_last_command;
|
||||
extern _rl_vimotion_cxt *_rl_vimvcxt;
|
||||
|
||||
#endif /* _RL_PRIVATE_H_ */
|
||||
@@ -1,45 +0,0 @@
|
||||
/* stdc.h -- macros to make source compile on both ANSI C and K&R C compilers. */
|
||||
|
||||
/* Copyright (C) 1993-2009 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/>.
|
||||
*/
|
||||
|
||||
#if !defined (_RL_STDC_H_)
|
||||
#define _RL_STDC_H_
|
||||
|
||||
/* Adapted from BSD /usr/include/sys/cdefs.h. */
|
||||
|
||||
/* A function can be defined using prototypes and compile on both ANSI C
|
||||
and traditional C compilers with something like this:
|
||||
extern char *func PARAMS((char *, char *, int)); */
|
||||
|
||||
#if !defined (PARAMS)
|
||||
# if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus)
|
||||
# define PARAMS(protos) protos
|
||||
# else
|
||||
# define PARAMS(protos) ()
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifndef __attribute__
|
||||
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
|
||||
# define __attribute__(x)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#endif /* !_RL_STDC_H_ */
|
||||
@@ -1,975 +0,0 @@
|
||||
/* rltty.c -- functions to prepare and restore the terminal for readline's
|
||||
use. */
|
||||
|
||||
/* Copyright (C) 1992-2005 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 <signal.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#if defined (HAVE_UNISTD_H)
|
||||
# include <unistd.h>
|
||||
#endif /* HAVE_UNISTD_H */
|
||||
|
||||
#include "rldefs.h"
|
||||
|
||||
#if defined (GWINSZ_IN_SYS_IOCTL)
|
||||
# include <sys/ioctl.h>
|
||||
#endif /* GWINSZ_IN_SYS_IOCTL */
|
||||
|
||||
#include "rltty.h"
|
||||
#include "readline.h"
|
||||
#include "rlprivate.h"
|
||||
|
||||
#if !defined (errno)
|
||||
extern int errno;
|
||||
#endif /* !errno */
|
||||
|
||||
rl_vintfunc_t *rl_prep_term_function = rl_prep_terminal;
|
||||
rl_voidfunc_t *rl_deprep_term_function = rl_deprep_terminal;
|
||||
|
||||
static void set_winsize PARAMS((int));
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Saving and Restoring the TTY */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
/* Non-zero means that the terminal is in a prepped state. */
|
||||
static int terminal_prepped;
|
||||
|
||||
static _RL_TTY_CHARS _rl_tty_chars, _rl_last_tty_chars;
|
||||
|
||||
/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
|
||||
and output is suspended. */
|
||||
#if defined (__ksr1__)
|
||||
static int ksrflow;
|
||||
#endif
|
||||
|
||||
/* Dummy call to force a backgrounded readline to stop before it tries
|
||||
to get the tty settings. */
|
||||
static void
|
||||
set_winsize (tty)
|
||||
int tty;
|
||||
{
|
||||
#if defined (TIOCGWINSZ)
|
||||
struct winsize w;
|
||||
|
||||
if (ioctl (tty, TIOCGWINSZ, &w) == 0)
|
||||
(void) ioctl (tty, TIOCSWINSZ, &w);
|
||||
#endif /* TIOCGWINSZ */
|
||||
}
|
||||
|
||||
#if defined (NO_TTY_DRIVER)
|
||||
/* Nothing */
|
||||
#elif defined (NEW_TTY_DRIVER)
|
||||
|
||||
/* Values for the `flags' field of a struct bsdtty. This tells which
|
||||
elements of the struct bsdtty have been fetched from the system and
|
||||
are valid. */
|
||||
#define SGTTY_SET 0x01
|
||||
#define LFLAG_SET 0x02
|
||||
#define TCHARS_SET 0x04
|
||||
#define LTCHARS_SET 0x08
|
||||
|
||||
struct bsdtty {
|
||||
struct sgttyb sgttyb; /* Basic BSD tty driver information. */
|
||||
int lflag; /* Local mode flags, like LPASS8. */
|
||||
#if defined (TIOCGETC)
|
||||
struct tchars tchars; /* Terminal special characters, including ^S and ^Q. */
|
||||
#endif
|
||||
#if defined (TIOCGLTC)
|
||||
struct ltchars ltchars; /* 4.2 BSD editing characters */
|
||||
#endif
|
||||
int flags; /* Bitmap saying which parts of the struct are valid. */
|
||||
};
|
||||
|
||||
#define TIOTYPE struct bsdtty
|
||||
|
||||
static TIOTYPE otio;
|
||||
|
||||
static void save_tty_chars PARAMS((TIOTYPE *));
|
||||
static int _get_tty_settings PARAMS((int, TIOTYPE *));
|
||||
static int get_tty_settings PARAMS((int, TIOTYPE *));
|
||||
static int _set_tty_settings PARAMS((int, TIOTYPE *));
|
||||
static int set_tty_settings PARAMS((int, TIOTYPE *));
|
||||
|
||||
static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
|
||||
|
||||
static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
|
||||
|
||||
static void
|
||||
save_tty_chars (tiop)
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
_rl_last_tty_chars = _rl_tty_chars;
|
||||
|
||||
if (tiop->flags & SGTTY_SET)
|
||||
{
|
||||
_rl_tty_chars.t_erase = tiop->sgttyb.sg_erase;
|
||||
_rl_tty_chars.t_kill = tiop->sgttyb.sg_kill;
|
||||
}
|
||||
|
||||
if (tiop->flags & TCHARS_SET)
|
||||
{
|
||||
_rl_intr_char = _rl_tty_chars.t_intr = tiop->tchars.t_intrc;
|
||||
_rl_quit_char = _rl_tty_chars.t_quit = tiop->tchars.t_quitc;
|
||||
|
||||
_rl_tty_chars.t_start = tiop->tchars.t_startc;
|
||||
_rl_tty_chars.t_stop = tiop->tchars.t_stopc;
|
||||
_rl_tty_chars.t_eof = tiop->tchars.t_eofc;
|
||||
_rl_tty_chars.t_eol = '\n';
|
||||
_rl_tty_chars.t_eol2 = tiop->tchars.t_brkc;
|
||||
}
|
||||
|
||||
if (tiop->flags & LTCHARS_SET)
|
||||
{
|
||||
_rl_susp_char = _rl_tty_chars.t_susp = tiop->ltchars.t_suspc;
|
||||
|
||||
_rl_tty_chars.t_dsusp = tiop->ltchars.t_dsuspc;
|
||||
_rl_tty_chars.t_reprint = tiop->ltchars.t_rprntc;
|
||||
_rl_tty_chars.t_flush = tiop->ltchars.t_flushc;
|
||||
_rl_tty_chars.t_werase = tiop->ltchars.t_werasc;
|
||||
_rl_tty_chars.t_lnext = tiop->ltchars.t_lnextc;
|
||||
}
|
||||
|
||||
_rl_tty_chars.t_status = -1;
|
||||
}
|
||||
|
||||
static int
|
||||
get_tty_settings (tty, tiop)
|
||||
int tty;
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
set_winsize (tty);
|
||||
|
||||
tiop->flags = tiop->lflag = 0;
|
||||
|
||||
errno = 0;
|
||||
if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0)
|
||||
return -1;
|
||||
tiop->flags |= SGTTY_SET;
|
||||
|
||||
#if defined (TIOCLGET)
|
||||
if (ioctl (tty, TIOCLGET, &(tiop->lflag)) == 0)
|
||||
tiop->flags |= LFLAG_SET;
|
||||
#endif
|
||||
|
||||
#if defined (TIOCGETC)
|
||||
if (ioctl (tty, TIOCGETC, &(tiop->tchars)) == 0)
|
||||
tiop->flags |= TCHARS_SET;
|
||||
#endif
|
||||
|
||||
#if defined (TIOCGLTC)
|
||||
if (ioctl (tty, TIOCGLTC, &(tiop->ltchars)) == 0)
|
||||
tiop->flags |= LTCHARS_SET;
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
set_tty_settings (tty, tiop)
|
||||
int tty;
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
if (tiop->flags & SGTTY_SET)
|
||||
{
|
||||
ioctl (tty, TIOCSETN, &(tiop->sgttyb));
|
||||
tiop->flags &= ~SGTTY_SET;
|
||||
}
|
||||
_rl_echoing_p = 1;
|
||||
|
||||
#if defined (TIOCLSET)
|
||||
if (tiop->flags & LFLAG_SET)
|
||||
{
|
||||
ioctl (tty, TIOCLSET, &(tiop->lflag));
|
||||
tiop->flags &= ~LFLAG_SET;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined (TIOCSETC)
|
||||
if (tiop->flags & TCHARS_SET)
|
||||
{
|
||||
ioctl (tty, TIOCSETC, &(tiop->tchars));
|
||||
tiop->flags &= ~TCHARS_SET;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined (TIOCSLTC)
|
||||
if (tiop->flags & LTCHARS_SET)
|
||||
{
|
||||
ioctl (tty, TIOCSLTC, &(tiop->ltchars));
|
||||
tiop->flags &= ~LTCHARS_SET;
|
||||
}
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
prepare_terminal_settings (meta_flag, oldtio, tiop)
|
||||
int meta_flag;
|
||||
TIOTYPE oldtio, *tiop;
|
||||
{
|
||||
_rl_echoing_p = (oldtio.sgttyb.sg_flags & ECHO);
|
||||
_rl_echoctl = (oldtio.sgttyb.sg_flags & ECHOCTL);
|
||||
|
||||
/* Copy the original settings to the structure we're going to use for
|
||||
our settings. */
|
||||
tiop->sgttyb = oldtio.sgttyb;
|
||||
tiop->lflag = oldtio.lflag;
|
||||
#if defined (TIOCGETC)
|
||||
tiop->tchars = oldtio.tchars;
|
||||
#endif
|
||||
#if defined (TIOCGLTC)
|
||||
tiop->ltchars = oldtio.ltchars;
|
||||
#endif
|
||||
tiop->flags = oldtio.flags;
|
||||
|
||||
/* First, the basic settings to put us into character-at-a-time, no-echo
|
||||
input mode. */
|
||||
tiop->sgttyb.sg_flags &= ~(ECHO | CRMOD);
|
||||
tiop->sgttyb.sg_flags |= CBREAK;
|
||||
|
||||
/* If this terminal doesn't care how the 8th bit is used, then we can
|
||||
use it for the meta-key. If only one of even or odd parity is
|
||||
specified, then the terminal is using parity, and we cannot. */
|
||||
#if !defined (ANYP)
|
||||
# define ANYP (EVENP | ODDP)
|
||||
#endif
|
||||
if (((oldtio.sgttyb.sg_flags & ANYP) == ANYP) ||
|
||||
((oldtio.sgttyb.sg_flags & ANYP) == 0))
|
||||
{
|
||||
tiop->sgttyb.sg_flags |= ANYP;
|
||||
|
||||
/* Hack on local mode flags if we can. */
|
||||
#if defined (TIOCLGET)
|
||||
# if defined (LPASS8)
|
||||
tiop->lflag |= LPASS8;
|
||||
# endif /* LPASS8 */
|
||||
#endif /* TIOCLGET */
|
||||
}
|
||||
|
||||
#if defined (TIOCGETC)
|
||||
# if defined (USE_XON_XOFF)
|
||||
/* Get rid of terminal output start and stop characters. */
|
||||
tiop->tchars.t_stopc = -1; /* C-s */
|
||||
tiop->tchars.t_startc = -1; /* C-q */
|
||||
|
||||
/* If there is an XON character, bind it to restart the output. */
|
||||
if (oldtio.tchars.t_startc != -1)
|
||||
rl_bind_key (oldtio.tchars.t_startc, rl_restart_output);
|
||||
# endif /* USE_XON_XOFF */
|
||||
|
||||
/* If there is an EOF char, bind _rl_eof_char to it. */
|
||||
if (oldtio.tchars.t_eofc != -1)
|
||||
_rl_eof_char = oldtio.tchars.t_eofc;
|
||||
|
||||
# if defined (NO_KILL_INTR)
|
||||
/* Get rid of terminal-generated SIGQUIT and SIGINT. */
|
||||
tiop->tchars.t_quitc = -1; /* C-\ */
|
||||
tiop->tchars.t_intrc = -1; /* C-c */
|
||||
# endif /* NO_KILL_INTR */
|
||||
#endif /* TIOCGETC */
|
||||
|
||||
#if defined (TIOCGLTC)
|
||||
/* Make the interrupt keys go away. Just enough to make people happy. */
|
||||
tiop->ltchars.t_dsuspc = -1; /* C-y */
|
||||
tiop->ltchars.t_lnextc = -1; /* C-v */
|
||||
#endif /* TIOCGLTC */
|
||||
}
|
||||
|
||||
#else /* !defined (NEW_TTY_DRIVER) */
|
||||
|
||||
#if !defined (VMIN)
|
||||
# define VMIN VEOF
|
||||
#endif
|
||||
|
||||
#if !defined (VTIME)
|
||||
# define VTIME VEOL
|
||||
#endif
|
||||
|
||||
#if defined (TERMIOS_TTY_DRIVER)
|
||||
# define TIOTYPE struct termios
|
||||
# define DRAIN_OUTPUT(fd) tcdrain (fd)
|
||||
# define GETATTR(tty, tiop) (tcgetattr (tty, tiop))
|
||||
# ifdef M_UNIX
|
||||
# define SETATTR(tty, tiop) (tcsetattr (tty, TCSANOW, tiop))
|
||||
# else
|
||||
# define SETATTR(tty, tiop) (tcsetattr (tty, TCSADRAIN, tiop))
|
||||
# endif /* !M_UNIX */
|
||||
#else
|
||||
# define TIOTYPE struct termio
|
||||
# define DRAIN_OUTPUT(fd)
|
||||
# define GETATTR(tty, tiop) (ioctl (tty, TCGETA, tiop))
|
||||
# define SETATTR(tty, tiop) (ioctl (tty, TCSETAW, tiop))
|
||||
#endif /* !TERMIOS_TTY_DRIVER */
|
||||
|
||||
static TIOTYPE otio;
|
||||
|
||||
static void save_tty_chars PARAMS((TIOTYPE *));
|
||||
static int _get_tty_settings PARAMS((int, TIOTYPE *));
|
||||
static int get_tty_settings PARAMS((int, TIOTYPE *));
|
||||
static int _set_tty_settings PARAMS((int, TIOTYPE *));
|
||||
static int set_tty_settings PARAMS((int, TIOTYPE *));
|
||||
|
||||
static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
|
||||
|
||||
static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
|
||||
static void _rl_bind_tty_special_chars PARAMS((Keymap, TIOTYPE));
|
||||
|
||||
#if defined (FLUSHO)
|
||||
# define OUTPUT_BEING_FLUSHED(tp) (tp->c_lflag & FLUSHO)
|
||||
#else
|
||||
# define OUTPUT_BEING_FLUSHED(tp) 0
|
||||
#endif
|
||||
|
||||
static void
|
||||
save_tty_chars (tiop)
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
_rl_last_tty_chars = _rl_tty_chars;
|
||||
|
||||
_rl_tty_chars.t_eof = tiop->c_cc[VEOF];
|
||||
_rl_tty_chars.t_eol = tiop->c_cc[VEOL];
|
||||
#ifdef VEOL2
|
||||
_rl_tty_chars.t_eol2 = tiop->c_cc[VEOL2];
|
||||
#endif
|
||||
_rl_tty_chars.t_erase = tiop->c_cc[VERASE];
|
||||
#ifdef VWERASE
|
||||
_rl_tty_chars.t_werase = tiop->c_cc[VWERASE];
|
||||
#endif
|
||||
_rl_tty_chars.t_kill = tiop->c_cc[VKILL];
|
||||
#ifdef VREPRINT
|
||||
_rl_tty_chars.t_reprint = tiop->c_cc[VREPRINT];
|
||||
#endif
|
||||
_rl_intr_char = _rl_tty_chars.t_intr = tiop->c_cc[VINTR];
|
||||
_rl_quit_char = _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
|
||||
#ifdef VSUSP
|
||||
_rl_susp_char = _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
|
||||
#endif
|
||||
#ifdef VDSUSP
|
||||
_rl_tty_chars.t_dsusp = tiop->c_cc[VDSUSP];
|
||||
#endif
|
||||
#ifdef VSTART
|
||||
_rl_tty_chars.t_start = tiop->c_cc[VSTART];
|
||||
#endif
|
||||
#ifdef VSTOP
|
||||
_rl_tty_chars.t_stop = tiop->c_cc[VSTOP];
|
||||
#endif
|
||||
#ifdef VLNEXT
|
||||
_rl_tty_chars.t_lnext = tiop->c_cc[VLNEXT];
|
||||
#endif
|
||||
#ifdef VDISCARD
|
||||
_rl_tty_chars.t_flush = tiop->c_cc[VDISCARD];
|
||||
#endif
|
||||
#ifdef VSTATUS
|
||||
_rl_tty_chars.t_status = tiop->c_cc[VSTATUS];
|
||||
#endif
|
||||
}
|
||||
|
||||
#if defined (_AIX) || defined (_AIX41)
|
||||
/* Currently this is only used on AIX */
|
||||
static void
|
||||
rltty_warning (msg)
|
||||
char *msg;
|
||||
{
|
||||
_rl_errmsg ("warning: %s", msg);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined (_AIX)
|
||||
void
|
||||
setopost(tp)
|
||||
TIOTYPE *tp;
|
||||
{
|
||||
if ((tp->c_oflag & OPOST) == 0)
|
||||
{
|
||||
_rl_errmsg ("warning: turning on OPOST for terminal\r");
|
||||
tp->c_oflag |= OPOST|ONLCR;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
static int
|
||||
_get_tty_settings (tty, tiop)
|
||||
int tty;
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
int ioctl_ret;
|
||||
|
||||
while (1)
|
||||
{
|
||||
ioctl_ret = GETATTR (tty, tiop);
|
||||
if (ioctl_ret < 0)
|
||||
{
|
||||
if (errno != EINTR)
|
||||
return -1;
|
||||
else
|
||||
continue;
|
||||
}
|
||||
if (OUTPUT_BEING_FLUSHED (tiop))
|
||||
{
|
||||
#if defined (FLUSHO)
|
||||
_rl_errmsg ("warning: turning off output flushing");
|
||||
tiop->c_lflag &= ~FLUSHO;
|
||||
break;
|
||||
#else
|
||||
continue;
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
get_tty_settings (tty, tiop)
|
||||
int tty;
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
set_winsize (tty);
|
||||
|
||||
errno = 0;
|
||||
if (_get_tty_settings (tty, tiop) < 0)
|
||||
return -1;
|
||||
|
||||
#if defined (_AIX)
|
||||
setopost(tiop);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
_set_tty_settings (tty, tiop)
|
||||
int tty;
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
while (SETATTR (tty, tiop) < 0)
|
||||
{
|
||||
if (errno != EINTR)
|
||||
return -1;
|
||||
errno = 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
set_tty_settings (tty, tiop)
|
||||
int tty;
|
||||
TIOTYPE *tiop;
|
||||
{
|
||||
if (_set_tty_settings (tty, tiop) < 0)
|
||||
return -1;
|
||||
|
||||
#if 0
|
||||
|
||||
#if defined (TERMIOS_TTY_DRIVER)
|
||||
# if defined (__ksr1__)
|
||||
if (ksrflow)
|
||||
{
|
||||
ksrflow = 0;
|
||||
tcflow (tty, TCOON);
|
||||
}
|
||||
# else /* !ksr1 */
|
||||
tcflow (tty, TCOON); /* Simulate a ^Q. */
|
||||
# endif /* !ksr1 */
|
||||
#else
|
||||
ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */
|
||||
#endif /* !TERMIOS_TTY_DRIVER */
|
||||
|
||||
#endif /* 0 */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
prepare_terminal_settings (meta_flag, oldtio, tiop)
|
||||
int meta_flag;
|
||||
TIOTYPE oldtio, *tiop;
|
||||
{
|
||||
_rl_echoing_p = (oldtio.c_lflag & ECHO);
|
||||
#if defined (ECHOCTL)
|
||||
_rl_echoctl = (oldtio.c_lflag & ECHOCTL);
|
||||
#endif
|
||||
|
||||
tiop->c_lflag &= ~(ICANON | ECHO);
|
||||
|
||||
if ((unsigned char) oldtio.c_cc[VEOF] != (unsigned char) _POSIX_VDISABLE)
|
||||
_rl_eof_char = oldtio.c_cc[VEOF];
|
||||
|
||||
#if defined (USE_XON_XOFF)
|
||||
#if defined (IXANY)
|
||||
tiop->c_iflag &= ~(IXON | IXOFF | IXANY);
|
||||
#else
|
||||
/* `strict' Posix systems do not define IXANY. */
|
||||
tiop->c_iflag &= ~(IXON | IXOFF);
|
||||
#endif /* IXANY */
|
||||
#endif /* USE_XON_XOFF */
|
||||
|
||||
/* Only turn this off if we are using all 8 bits. */
|
||||
if (((tiop->c_cflag & CSIZE) == CS8) || meta_flag)
|
||||
tiop->c_iflag &= ~(ISTRIP | INPCK);
|
||||
|
||||
/* Make sure we differentiate between CR and NL on input. */
|
||||
tiop->c_iflag &= ~(ICRNL | INLCR);
|
||||
|
||||
#if !defined (HANDLE_SIGNALS)
|
||||
tiop->c_lflag &= ~ISIG;
|
||||
#else
|
||||
tiop->c_lflag |= ISIG;
|
||||
#endif
|
||||
|
||||
tiop->c_cc[VMIN] = 1;
|
||||
tiop->c_cc[VTIME] = 0;
|
||||
|
||||
#if defined (FLUSHO)
|
||||
if (OUTPUT_BEING_FLUSHED (tiop))
|
||||
{
|
||||
tiop->c_lflag &= ~FLUSHO;
|
||||
oldtio.c_lflag &= ~FLUSHO;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Turn off characters that we need on Posix systems with job control,
|
||||
just to be sure. This includes ^Y and ^V. This should not really
|
||||
be necessary. */
|
||||
#if defined (TERMIOS_TTY_DRIVER) && defined (_POSIX_VDISABLE)
|
||||
|
||||
#if defined (VLNEXT)
|
||||
tiop->c_cc[VLNEXT] = _POSIX_VDISABLE;
|
||||
#endif
|
||||
|
||||
#if defined (VDSUSP)
|
||||
tiop->c_cc[VDSUSP] = _POSIX_VDISABLE;
|
||||
#endif
|
||||
|
||||
#endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */
|
||||
}
|
||||
#endif /* !NEW_TTY_DRIVER */
|
||||
|
||||
/* Put the terminal in CBREAK mode so that we can detect key presses. */
|
||||
#if defined (NO_TTY_DRIVER)
|
||||
void
|
||||
rl_prep_terminal (meta_flag)
|
||||
int meta_flag;
|
||||
{
|
||||
_rl_echoing_p = 1;
|
||||
}
|
||||
|
||||
void
|
||||
rl_deprep_terminal ()
|
||||
{
|
||||
}
|
||||
|
||||
#else /* ! NO_TTY_DRIVER */
|
||||
void
|
||||
rl_prep_terminal (meta_flag)
|
||||
int meta_flag;
|
||||
{
|
||||
int tty;
|
||||
TIOTYPE tio;
|
||||
|
||||
if (terminal_prepped)
|
||||
return;
|
||||
|
||||
/* Try to keep this function from being INTerrupted. */
|
||||
_rl_block_sigint ();
|
||||
|
||||
tty = rl_instream ? fileno (rl_instream) : fileno (stdin);
|
||||
|
||||
if (get_tty_settings (tty, &tio) < 0)
|
||||
{
|
||||
#if defined (ENOTSUP)
|
||||
/* MacOS X and Linux, at least, lie about the value of errno if
|
||||
tcgetattr fails. */
|
||||
if (errno == ENOTTY || errno == EINVAL || errno == ENOTSUP)
|
||||
#else
|
||||
if (errno == ENOTTY || errno == EINVAL)
|
||||
#endif
|
||||
_rl_echoing_p = 1; /* XXX */
|
||||
|
||||
_rl_release_sigint ();
|
||||
return;
|
||||
}
|
||||
|
||||
otio = tio;
|
||||
|
||||
if (_rl_bind_stty_chars)
|
||||
{
|
||||
#if defined (VI_MODE)
|
||||
/* If editing in vi mode, make sure we restore the bindings in the
|
||||
insertion keymap no matter what keymap we ended up in. */
|
||||
if (rl_editing_mode == vi_mode)
|
||||
rl_tty_unset_default_bindings (vi_insertion_keymap);
|
||||
else
|
||||
#endif
|
||||
rl_tty_unset_default_bindings (_rl_keymap);
|
||||
}
|
||||
save_tty_chars (&otio);
|
||||
RL_SETSTATE(RL_STATE_TTYCSAVED);
|
||||
if (_rl_bind_stty_chars)
|
||||
{
|
||||
#if defined (VI_MODE)
|
||||
/* If editing in vi mode, make sure we set the bindings in the
|
||||
insertion keymap no matter what keymap we ended up in. */
|
||||
if (rl_editing_mode == vi_mode)
|
||||
_rl_bind_tty_special_chars (vi_insertion_keymap, tio);
|
||||
else
|
||||
#endif
|
||||
_rl_bind_tty_special_chars (_rl_keymap, tio);
|
||||
}
|
||||
|
||||
prepare_terminal_settings (meta_flag, otio, &tio);
|
||||
|
||||
if (set_tty_settings (tty, &tio) < 0)
|
||||
{
|
||||
_rl_release_sigint ();
|
||||
return;
|
||||
}
|
||||
|
||||
if (_rl_enable_keypad)
|
||||
_rl_control_keypad (1);
|
||||
|
||||
fflush (rl_outstream);
|
||||
terminal_prepped = 1;
|
||||
RL_SETSTATE(RL_STATE_TERMPREPPED);
|
||||
|
||||
_rl_release_sigint ();
|
||||
}
|
||||
|
||||
/* Restore the terminal's normal settings and modes. */
|
||||
void
|
||||
rl_deprep_terminal ()
|
||||
{
|
||||
int tty;
|
||||
|
||||
if (!terminal_prepped)
|
||||
return;
|
||||
|
||||
/* Try to keep this function from being interrupted. */
|
||||
_rl_block_sigint ();
|
||||
|
||||
tty = rl_instream ? fileno (rl_instream) : fileno (stdout);
|
||||
|
||||
if (_rl_enable_keypad)
|
||||
_rl_control_keypad (0);
|
||||
|
||||
fflush (rl_outstream);
|
||||
|
||||
if (set_tty_settings (tty, &otio) < 0)
|
||||
{
|
||||
_rl_release_sigint ();
|
||||
return;
|
||||
}
|
||||
|
||||
terminal_prepped = 0;
|
||||
RL_UNSETSTATE(RL_STATE_TERMPREPPED);
|
||||
|
||||
_rl_release_sigint ();
|
||||
}
|
||||
#endif /* !NO_TTY_DRIVER */
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Bogus Flow Control */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
int
|
||||
rl_restart_output (count, key)
|
||||
int count, key;
|
||||
{
|
||||
#if defined (__MINGW32__)
|
||||
return 0;
|
||||
#else /* !__MING32__ */
|
||||
|
||||
int fildes = fileno (rl_outstream);
|
||||
#if defined (TIOCSTART)
|
||||
#if defined (apollo)
|
||||
ioctl (&fildes, TIOCSTART, 0);
|
||||
#else
|
||||
ioctl (fildes, TIOCSTART, 0);
|
||||
#endif /* apollo */
|
||||
|
||||
#else /* !TIOCSTART */
|
||||
# if defined (TERMIOS_TTY_DRIVER)
|
||||
# if defined (__ksr1__)
|
||||
if (ksrflow)
|
||||
{
|
||||
ksrflow = 0;
|
||||
tcflow (fildes, TCOON);
|
||||
}
|
||||
# else /* !ksr1 */
|
||||
tcflow (fildes, TCOON); /* Simulate a ^Q. */
|
||||
# endif /* !ksr1 */
|
||||
# else /* !TERMIOS_TTY_DRIVER */
|
||||
# if defined (TCXONC)
|
||||
ioctl (fildes, TCXONC, TCOON);
|
||||
# endif /* TCXONC */
|
||||
# endif /* !TERMIOS_TTY_DRIVER */
|
||||
#endif /* !TIOCSTART */
|
||||
|
||||
return 0;
|
||||
#endif /* !__MINGW32__ */
|
||||
}
|
||||
|
||||
int
|
||||
rl_stop_output (count, key)
|
||||
int count, key;
|
||||
{
|
||||
#if defined (__MINGW32__)
|
||||
return 0;
|
||||
#else
|
||||
|
||||
int fildes = fileno (rl_instream);
|
||||
|
||||
#if defined (TIOCSTOP)
|
||||
# if defined (apollo)
|
||||
ioctl (&fildes, TIOCSTOP, 0);
|
||||
# else
|
||||
ioctl (fildes, TIOCSTOP, 0);
|
||||
# endif /* apollo */
|
||||
#else /* !TIOCSTOP */
|
||||
# if defined (TERMIOS_TTY_DRIVER)
|
||||
# if defined (__ksr1__)
|
||||
ksrflow = 1;
|
||||
# endif /* ksr1 */
|
||||
tcflow (fildes, TCOOFF);
|
||||
# else
|
||||
# if defined (TCXONC)
|
||||
ioctl (fildes, TCXONC, TCOON);
|
||||
# endif /* TCXONC */
|
||||
# endif /* !TERMIOS_TTY_DRIVER */
|
||||
#endif /* !TIOCSTOP */
|
||||
|
||||
return 0;
|
||||
#endif /* !__MINGW32__ */
|
||||
}
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Default Key Bindings */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
#if !defined (NO_TTY_DRIVER)
|
||||
#define SET_SPECIAL(sc, func) set_special_char(kmap, &ttybuff, sc, func)
|
||||
#endif
|
||||
|
||||
#if defined (NO_TTY_DRIVER)
|
||||
|
||||
#define SET_SPECIAL(sc, func)
|
||||
#define RESET_SPECIAL(c)
|
||||
|
||||
#elif defined (NEW_TTY_DRIVER)
|
||||
static void
|
||||
set_special_char (kmap, tiop, sc, func)
|
||||
Keymap kmap;
|
||||
TIOTYPE *tiop;
|
||||
int sc;
|
||||
rl_command_func_t *func;
|
||||
{
|
||||
if (sc != -1 && kmap[(unsigned char)sc].type == ISFUNC)
|
||||
kmap[(unsigned char)sc].function = func;
|
||||
}
|
||||
|
||||
#define RESET_SPECIAL(c) \
|
||||
if (c != -1 && kmap[(unsigned char)c].type == ISFUNC) \
|
||||
kmap[(unsigned char)c].function = rl_insert;
|
||||
|
||||
static void
|
||||
_rl_bind_tty_special_chars (kmap, ttybuff)
|
||||
Keymap kmap;
|
||||
TIOTYPE ttybuff;
|
||||
{
|
||||
if (ttybuff.flags & SGTTY_SET)
|
||||
{
|
||||
SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout);
|
||||
SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard);
|
||||
}
|
||||
|
||||
# if defined (TIOCGLTC)
|
||||
if (ttybuff.flags & LTCHARS_SET)
|
||||
{
|
||||
SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout);
|
||||
SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert);
|
||||
}
|
||||
# endif /* TIOCGLTC */
|
||||
}
|
||||
|
||||
#else /* !NEW_TTY_DRIVER */
|
||||
static void
|
||||
set_special_char (kmap, tiop, sc, func)
|
||||
Keymap kmap;
|
||||
TIOTYPE *tiop;
|
||||
int sc;
|
||||
rl_command_func_t *func;
|
||||
{
|
||||
unsigned char uc;
|
||||
|
||||
uc = tiop->c_cc[sc];
|
||||
if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC)
|
||||
kmap[uc].function = func;
|
||||
}
|
||||
|
||||
/* used later */
|
||||
#define RESET_SPECIAL(uc) \
|
||||
if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \
|
||||
kmap[uc].function = rl_insert;
|
||||
|
||||
static void
|
||||
_rl_bind_tty_special_chars (kmap, ttybuff)
|
||||
Keymap kmap;
|
||||
TIOTYPE ttybuff;
|
||||
{
|
||||
SET_SPECIAL (VERASE, rl_rubout);
|
||||
SET_SPECIAL (VKILL, rl_unix_line_discard);
|
||||
|
||||
# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
|
||||
SET_SPECIAL (VLNEXT, rl_quoted_insert);
|
||||
# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
|
||||
|
||||
# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
|
||||
SET_SPECIAL (VWERASE, rl_unix_word_rubout);
|
||||
# endif /* VWERASE && TERMIOS_TTY_DRIVER */
|
||||
}
|
||||
|
||||
#endif /* !NEW_TTY_DRIVER */
|
||||
|
||||
/* Set the system's default editing characters to their readline equivalents
|
||||
in KMAP. Should be static, now that we have rl_tty_set_default_bindings. */
|
||||
void
|
||||
rltty_set_default_bindings (kmap)
|
||||
Keymap kmap;
|
||||
{
|
||||
#if !defined (NO_TTY_DRIVER)
|
||||
TIOTYPE ttybuff;
|
||||
int tty;
|
||||
|
||||
tty = fileno (rl_instream);
|
||||
|
||||
if (get_tty_settings (tty, &ttybuff) == 0)
|
||||
_rl_bind_tty_special_chars (kmap, ttybuff);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* New public way to set the system default editing chars to their readline
|
||||
equivalents. */
|
||||
void
|
||||
rl_tty_set_default_bindings (kmap)
|
||||
Keymap kmap;
|
||||
{
|
||||
rltty_set_default_bindings (kmap);
|
||||
}
|
||||
|
||||
/* Rebind all of the tty special chars that readline worries about back
|
||||
to self-insert. Call this before saving the current terminal special
|
||||
chars with save_tty_chars(). This only works on POSIX termios or termio
|
||||
systems. */
|
||||
void
|
||||
rl_tty_unset_default_bindings (kmap)
|
||||
Keymap kmap;
|
||||
{
|
||||
/* Don't bother before we've saved the tty special chars at least once. */
|
||||
if (RL_ISSTATE(RL_STATE_TTYCSAVED) == 0)
|
||||
return;
|
||||
|
||||
RESET_SPECIAL (_rl_tty_chars.t_erase);
|
||||
RESET_SPECIAL (_rl_tty_chars.t_kill);
|
||||
|
||||
# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
|
||||
RESET_SPECIAL (_rl_tty_chars.t_lnext);
|
||||
# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
|
||||
|
||||
# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
|
||||
RESET_SPECIAL (_rl_tty_chars.t_werase);
|
||||
# endif /* VWERASE && TERMIOS_TTY_DRIVER */
|
||||
}
|
||||
|
||||
#if defined (HANDLE_SIGNALS)
|
||||
|
||||
#if defined (NEW_TTY_DRIVER) || defined (NO_TTY_DRIVER)
|
||||
int
|
||||
_rl_disable_tty_signals ()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
_rl_restore_tty_signals ()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
|
||||
static TIOTYPE sigstty, nosigstty;
|
||||
static int tty_sigs_disabled = 0;
|
||||
|
||||
int
|
||||
_rl_disable_tty_signals ()
|
||||
{
|
||||
if (tty_sigs_disabled)
|
||||
return 0;
|
||||
|
||||
if (_get_tty_settings (fileno (rl_instream), &sigstty) < 0)
|
||||
return -1;
|
||||
|
||||
nosigstty = sigstty;
|
||||
|
||||
nosigstty.c_lflag &= ~ISIG;
|
||||
nosigstty.c_iflag &= ~IXON;
|
||||
|
||||
if (_set_tty_settings (fileno (rl_instream), &nosigstty) < 0)
|
||||
return (_set_tty_settings (fileno (rl_instream), &sigstty));
|
||||
|
||||
tty_sigs_disabled = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
_rl_restore_tty_signals ()
|
||||
{
|
||||
int r;
|
||||
|
||||
if (tty_sigs_disabled == 0)
|
||||
return 0;
|
||||
|
||||
r = _set_tty_settings (fileno (rl_instream), &sigstty);
|
||||
|
||||
if (r == 0)
|
||||
tty_sigs_disabled = 0;
|
||||
|
||||
return r;
|
||||
}
|
||||
#endif /* !NEW_TTY_DRIVER */
|
||||
|
||||
#endif /* HANDLE_SIGNALS */
|
||||
@@ -1,93 +0,0 @@
|
||||
/* rltypedefs.h -- Type declarations for readline functions. */
|
||||
|
||||
/* Copyright (C) 2000-2009 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/>.
|
||||
*/
|
||||
|
||||
#ifndef _RL_TYPEDEFS_H_
|
||||
#define _RL_TYPEDEFS_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Old-style */
|
||||
|
||||
#if !defined (_FUNCTION_DEF)
|
||||
# define _FUNCTION_DEF
|
||||
|
||||
typedef int Function ();
|
||||
typedef void VFunction ();
|
||||
typedef char *CPFunction ();
|
||||
typedef char **CPPFunction ();
|
||||
|
||||
#endif /* _FUNCTION_DEF */
|
||||
|
||||
/* New style. */
|
||||
|
||||
#if !defined (_RL_FUNCTION_TYPEDEF)
|
||||
# define _RL_FUNCTION_TYPEDEF
|
||||
|
||||
/* Bindable functions */
|
||||
typedef int rl_command_func_t PARAMS((int, int));
|
||||
|
||||
/* Typedefs for the completion system */
|
||||
typedef char *rl_compentry_func_t PARAMS((const char *, int));
|
||||
typedef char **rl_completion_func_t PARAMS((const char *, int, int));
|
||||
|
||||
typedef char *rl_quote_func_t PARAMS((char *, int, char *));
|
||||
typedef char *rl_dequote_func_t PARAMS((char *, int));
|
||||
|
||||
typedef int rl_compignore_func_t PARAMS((char **));
|
||||
|
||||
typedef void rl_compdisp_func_t PARAMS((char **, int, int));
|
||||
|
||||
/* Type for input and pre-read hook functions like rl_event_hook */
|
||||
typedef int rl_hook_func_t PARAMS((void));
|
||||
|
||||
/* Input function type */
|
||||
typedef int rl_getc_func_t PARAMS((FILE *));
|
||||
|
||||
/* Generic function that takes a character buffer (which could be the readline
|
||||
line buffer) and an index into it (which could be rl_point) and returns
|
||||
an int. */
|
||||
typedef int rl_linebuf_func_t PARAMS((char *, int));
|
||||
|
||||
/* `Generic' function pointer typedefs */
|
||||
typedef int rl_intfunc_t PARAMS((int));
|
||||
#define rl_ivoidfunc_t rl_hook_func_t
|
||||
typedef int rl_icpfunc_t PARAMS((char *));
|
||||
typedef int rl_icppfunc_t PARAMS((char **));
|
||||
|
||||
typedef void rl_voidfunc_t PARAMS((void));
|
||||
typedef void rl_vintfunc_t PARAMS((int));
|
||||
typedef void rl_vcpfunc_t PARAMS((char *));
|
||||
typedef void rl_vcppfunc_t PARAMS((char **));
|
||||
|
||||
typedef char *rl_cpvfunc_t PARAMS((void));
|
||||
typedef char *rl_cpifunc_t PARAMS((int));
|
||||
typedef char *rl_cpcpfunc_t PARAMS((char *));
|
||||
typedef char *rl_cpcppfunc_t PARAMS((char **));
|
||||
|
||||
#endif /* _RL_FUNCTION_TYPEDEF */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _RL_TYPEDEFS_H_ */
|
||||
@@ -1,590 +0,0 @@
|
||||
/* search.c - code for non-incremental searching in emacs and vi modes. */
|
||||
|
||||
/* Copyright (C) 1992-2009 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 <stdio.h>
|
||||
|
||||
#if defined (HAVE_UNISTD_H)
|
||||
# include <unistd.h>
|
||||
#endif
|
||||
|
||||
#if defined (HAVE_STDLIB_H)
|
||||
# include <stdlib.h>
|
||||
#else
|
||||
# include "ansi_stdlib.h"
|
||||
#endif
|
||||
|
||||
#include "rldefs.h"
|
||||
#include "rlmbutil.h"
|
||||
|
||||
#include "readline.h"
|
||||
#include "history.h"
|
||||
#include "histlib.h"
|
||||
|
||||
#include "rlprivate.h"
|
||||
#include "xmalloc.h"
|
||||
|
||||
#ifdef abs
|
||||
# undef abs
|
||||
#endif
|
||||
#define abs(x) (((x) >= 0) ? (x) : -(x))
|
||||
|
||||
_rl_search_cxt *_rl_nscxt = 0;
|
||||
|
||||
extern HIST_ENTRY *_rl_saved_line_for_history;
|
||||
|
||||
/* Functions imported from the rest of the library. */
|
||||
extern int _rl_free_history_entry PARAMS((HIST_ENTRY *));
|
||||
|
||||
static char *noninc_search_string = (char *) NULL;
|
||||
static int noninc_history_pos;
|
||||
|
||||
static char *prev_line_found = (char *) NULL;
|
||||
|
||||
static int rl_history_search_len;
|
||||
static int rl_history_search_pos;
|
||||
static int rl_history_search_flags;
|
||||
|
||||
static char *history_search_string;
|
||||
static int history_string_size;
|
||||
|
||||
static void make_history_line_current PARAMS((HIST_ENTRY *));
|
||||
static int noninc_search_from_pos PARAMS((char *, int, int));
|
||||
static int noninc_dosearch PARAMS((char *, int));
|
||||
static int noninc_search PARAMS((int, int));
|
||||
static int rl_history_search_internal PARAMS((int, int));
|
||||
static void rl_history_search_reinit PARAMS((int));
|
||||
|
||||
static _rl_search_cxt *_rl_nsearch_init PARAMS((int, int));
|
||||
static int _rl_nsearch_cleanup PARAMS((_rl_search_cxt *, int));
|
||||
static void _rl_nsearch_abort PARAMS((_rl_search_cxt *));
|
||||
static int _rl_nsearch_dispatch PARAMS((_rl_search_cxt *, int));
|
||||
|
||||
/* Make the data from the history entry ENTRY be the contents of the
|
||||
current line. This doesn't do anything with rl_point; the caller
|
||||
must set it. */
|
||||
static void
|
||||
make_history_line_current (entry)
|
||||
HIST_ENTRY *entry;
|
||||
{
|
||||
_rl_replace_text (entry->line, 0, rl_end);
|
||||
_rl_fix_point (1);
|
||||
#if defined (VI_MODE)
|
||||
if (rl_editing_mode == vi_mode)
|
||||
/* POSIX.2 says that the `U' command doesn't affect the copy of any
|
||||
command lines to the edit line. We're going to implement that by
|
||||
making the undo list start after the matching line is copied to the
|
||||
current editing buffer. */
|
||||
rl_free_undo_list ();
|
||||
#endif
|
||||
|
||||
if (_rl_saved_line_for_history)
|
||||
_rl_free_history_entry (_rl_saved_line_for_history);
|
||||
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
||||
}
|
||||
|
||||
/* Search the history list for STRING starting at absolute history position
|
||||
POS. If STRING begins with `^', the search must match STRING at the
|
||||
beginning of a history line, otherwise a full substring match is performed
|
||||
for STRING. DIR < 0 means to search backwards through the history list,
|
||||
DIR >= 0 means to search forward. */
|
||||
static int
|
||||
noninc_search_from_pos (string, pos, dir)
|
||||
char *string;
|
||||
int pos, dir;
|
||||
{
|
||||
int ret, old;
|
||||
|
||||
if (pos < 0)
|
||||
return -1;
|
||||
|
||||
old = where_history ();
|
||||
if (history_set_pos (pos) == 0)
|
||||
return -1;
|
||||
|
||||
RL_SETSTATE(RL_STATE_SEARCH);
|
||||
if (*string == '^')
|
||||
ret = history_search_prefix (string + 1, dir);
|
||||
else
|
||||
ret = history_search (string, dir);
|
||||
RL_UNSETSTATE(RL_STATE_SEARCH);
|
||||
|
||||
if (ret != -1)
|
||||
ret = where_history ();
|
||||
|
||||
history_set_pos (old);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
/* Search for a line in the history containing STRING. If DIR is < 0, the
|
||||
search is backwards through previous entries, else through subsequent
|
||||
entries. Returns 1 if the search was successful, 0 otherwise. */
|
||||
static int
|
||||
noninc_dosearch (string, dir)
|
||||
char *string;
|
||||
int dir;
|
||||
{
|
||||
int oldpos, pos;
|
||||
HIST_ENTRY *entry;
|
||||
|
||||
if (string == 0 || *string == '\0' || noninc_history_pos < 0)
|
||||
{
|
||||
rl_ding ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
pos = noninc_search_from_pos (string, noninc_history_pos + dir, dir);
|
||||
if (pos == -1)
|
||||
{
|
||||
/* Search failed, current history position unchanged. */
|
||||
rl_maybe_unsave_line ();
|
||||
rl_clear_message ();
|
||||
rl_point = 0;
|
||||
rl_ding ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
noninc_history_pos = pos;
|
||||
|
||||
oldpos = where_history ();
|
||||
history_set_pos (noninc_history_pos);
|
||||
entry = current_history ();
|
||||
#if defined (VI_MODE)
|
||||
if (rl_editing_mode != vi_mode)
|
||||
#endif
|
||||
history_set_pos (oldpos);
|
||||
|
||||
make_history_line_current (entry);
|
||||
|
||||
rl_point = 0;
|
||||
rl_mark = rl_end;
|
||||
|
||||
rl_clear_message ();
|
||||
return 1;
|
||||
}
|
||||
|
||||
static _rl_search_cxt *
|
||||
_rl_nsearch_init (dir, pchar)
|
||||
int dir, pchar;
|
||||
{
|
||||
_rl_search_cxt *cxt;
|
||||
char *p;
|
||||
|
||||
cxt = _rl_scxt_alloc (RL_SEARCH_NSEARCH, 0);
|
||||
if (dir < 0)
|
||||
cxt->sflags |= SF_REVERSE; /* not strictly needed */
|
||||
|
||||
cxt->direction = dir;
|
||||
cxt->history_pos = cxt->save_line;
|
||||
|
||||
rl_maybe_save_line ();
|
||||
|
||||
/* Clear the undo list, since reading the search string should create its
|
||||
own undo list, and the whole list will end up being freed when we
|
||||
finish reading the search string. */
|
||||
rl_undo_list = 0;
|
||||
|
||||
/* Use the line buffer to read the search string. */
|
||||
rl_line_buffer[0] = 0;
|
||||
rl_end = rl_point = 0;
|
||||
|
||||
p = _rl_make_prompt_for_search (pchar ? pchar : ':');
|
||||
rl_message ("%s", p, 0);
|
||||
xfree (p);
|
||||
|
||||
RL_SETSTATE(RL_STATE_NSEARCH);
|
||||
|
||||
_rl_nscxt = cxt;
|
||||
|
||||
return cxt;
|
||||
}
|
||||
|
||||
static int
|
||||
_rl_nsearch_cleanup (cxt, r)
|
||||
_rl_search_cxt *cxt;
|
||||
int r;
|
||||
{
|
||||
_rl_scxt_dispose (cxt, 0);
|
||||
_rl_nscxt = 0;
|
||||
|
||||
RL_UNSETSTATE(RL_STATE_NSEARCH);
|
||||
|
||||
return (r != 1);
|
||||
}
|
||||
|
||||
static void
|
||||
_rl_nsearch_abort (cxt)
|
||||
_rl_search_cxt *cxt;
|
||||
{
|
||||
rl_maybe_unsave_line ();
|
||||
rl_clear_message ();
|
||||
rl_point = cxt->save_point;
|
||||
rl_mark = cxt->save_mark;
|
||||
rl_restore_prompt ();
|
||||
|
||||
RL_UNSETSTATE (RL_STATE_NSEARCH);
|
||||
}
|
||||
|
||||
/* Process just-read character C according to search context CXT. Return -1
|
||||
if the caller should abort the search, 0 if we should break out of the
|
||||
loop, and 1 if we should continue to read characters. */
|
||||
static int
|
||||
_rl_nsearch_dispatch (cxt, c)
|
||||
_rl_search_cxt *cxt;
|
||||
int c;
|
||||
{
|
||||
switch (c)
|
||||
{
|
||||
case CTRL('W'):
|
||||
rl_unix_word_rubout (1, c);
|
||||
break;
|
||||
|
||||
case CTRL('U'):
|
||||
rl_unix_line_discard (1, c);
|
||||
break;
|
||||
|
||||
case RETURN:
|
||||
case NEWLINE:
|
||||
return 0;
|
||||
|
||||
case CTRL('H'):
|
||||
case RUBOUT:
|
||||
if (rl_point == 0)
|
||||
{
|
||||
_rl_nsearch_abort (cxt);
|
||||
return -1;
|
||||
}
|
||||
_rl_rubout_char (1, c);
|
||||
break;
|
||||
|
||||
case CTRL('C'):
|
||||
case CTRL('G'):
|
||||
rl_ding ();
|
||||
_rl_nsearch_abort (cxt);
|
||||
return -1;
|
||||
|
||||
default:
|
||||
#if defined (HANDLE_MULTIBYTE)
|
||||
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
||||
rl_insert_text (cxt->mb);
|
||||
else
|
||||
#endif
|
||||
_rl_insert_char (1, c);
|
||||
break;
|
||||
}
|
||||
|
||||
(*rl_redisplay_function) ();
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Perform one search according to CXT, using NONINC_SEARCH_STRING. Return
|
||||
-1 if the search should be aborted, any other value means to clean up
|
||||
using _rl_nsearch_cleanup (). Returns 1 if the search was successful,
|
||||
0 otherwise. */
|
||||
static int
|
||||
_rl_nsearch_dosearch (cxt)
|
||||
_rl_search_cxt *cxt;
|
||||
{
|
||||
rl_mark = cxt->save_mark;
|
||||
|
||||
/* If rl_point == 0, we want to re-use the previous search string and
|
||||
start from the saved history position. If there's no previous search
|
||||
string, punt. */
|
||||
if (rl_point == 0)
|
||||
{
|
||||
if (noninc_search_string == 0)
|
||||
{
|
||||
rl_ding ();
|
||||
rl_restore_prompt ();
|
||||
RL_UNSETSTATE (RL_STATE_NSEARCH);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We want to start the search from the current history position. */
|
||||
noninc_history_pos = cxt->save_line;
|
||||
FREE (noninc_search_string);
|
||||
noninc_search_string = savestring (rl_line_buffer);
|
||||
|
||||
/* If we don't want the subsequent undo list generated by the search
|
||||
matching a history line to include the contents of the search string,
|
||||
we need to clear rl_line_buffer here. For now, we just clear the
|
||||
undo list generated by reading the search string. (If the search
|
||||
fails, the old undo list will be restored by rl_maybe_unsave_line.) */
|
||||
rl_free_undo_list ();
|
||||
}
|
||||
|
||||
rl_restore_prompt ();
|
||||
return (noninc_dosearch (noninc_search_string, cxt->direction));
|
||||
}
|
||||
|
||||
/* Search non-interactively through the history list. DIR < 0 means to
|
||||
search backwards through the history of previous commands; otherwise
|
||||
the search is for commands subsequent to the current position in the
|
||||
history list. PCHAR is the character to use for prompting when reading
|
||||
the search string; if not specified (0), it defaults to `:'. */
|
||||
static int
|
||||
noninc_search (dir, pchar)
|
||||
int dir;
|
||||
int pchar;
|
||||
{
|
||||
_rl_search_cxt *cxt;
|
||||
int c, r;
|
||||
|
||||
cxt = _rl_nsearch_init (dir, pchar);
|
||||
|
||||
if (RL_ISSTATE (RL_STATE_CALLBACK))
|
||||
return (0);
|
||||
|
||||
/* Read the search string. */
|
||||
r = 0;
|
||||
while (1)
|
||||
{
|
||||
c = _rl_search_getchar (cxt);
|
||||
|
||||
if (c == 0)
|
||||
break;
|
||||
|
||||
r = _rl_nsearch_dispatch (cxt, c);
|
||||
if (r < 0)
|
||||
return 1;
|
||||
else if (r == 0)
|
||||
break;
|
||||
}
|
||||
|
||||
r = _rl_nsearch_dosearch (cxt);
|
||||
return ((r >= 0) ? _rl_nsearch_cleanup (cxt, r) : (r != 1));
|
||||
}
|
||||
|
||||
/* Search forward through the history list for a string. If the vi-mode
|
||||
code calls this, KEY will be `?'. */
|
||||
int
|
||||
rl_noninc_forward_search (count, key)
|
||||
int count, key;
|
||||
{
|
||||
return noninc_search (1, (key == '?') ? '?' : 0);
|
||||
}
|
||||
|
||||
/* Reverse search the history list for a string. If the vi-mode code
|
||||
calls this, KEY will be `/'. */
|
||||
int
|
||||
rl_noninc_reverse_search (count, key)
|
||||
int count, key;
|
||||
{
|
||||
return noninc_search (-1, (key == '/') ? '/' : 0);
|
||||
}
|
||||
|
||||
/* Search forward through the history list for the last string searched
|
||||
for. If there is no saved search string, abort. */
|
||||
int
|
||||
rl_noninc_forward_search_again (count, key)
|
||||
int count, key;
|
||||
{
|
||||
int r;
|
||||
|
||||
if (!noninc_search_string)
|
||||
{
|
||||
rl_ding ();
|
||||
return (-1);
|
||||
}
|
||||
r = noninc_dosearch (noninc_search_string, 1);
|
||||
return (r != 1);
|
||||
}
|
||||
|
||||
/* Reverse search in the history list for the last string searched
|
||||
for. If there is no saved search string, abort. */
|
||||
int
|
||||
rl_noninc_reverse_search_again (count, key)
|
||||
int count, key;
|
||||
{
|
||||
int r;
|
||||
|
||||
if (!noninc_search_string)
|
||||
{
|
||||
rl_ding ();
|
||||
return (-1);
|
||||
}
|
||||
r = noninc_dosearch (noninc_search_string, -1);
|
||||
return (r != 1);
|
||||
}
|
||||
|
||||
#if defined (READLINE_CALLBACKS)
|
||||
int
|
||||
_rl_nsearch_callback (cxt)
|
||||
_rl_search_cxt *cxt;
|
||||
{
|
||||
int c, r;
|
||||
|
||||
c = _rl_search_getchar (cxt);
|
||||
r = _rl_nsearch_dispatch (cxt, c);
|
||||
if (r != 0)
|
||||
return 1;
|
||||
|
||||
r = _rl_nsearch_dosearch (cxt);
|
||||
return ((r >= 0) ? _rl_nsearch_cleanup (cxt, r) : (r != 1));
|
||||
}
|
||||
#endif
|
||||
|
||||
static int
|
||||
rl_history_search_internal (count, dir)
|
||||
int count, dir;
|
||||
{
|
||||
HIST_ENTRY *temp;
|
||||
int ret, oldpos;
|
||||
char *t;
|
||||
|
||||
rl_maybe_save_line ();
|
||||
temp = (HIST_ENTRY *)NULL;
|
||||
|
||||
/* Search COUNT times through the history for a line matching
|
||||
history_search_string. If history_search_string[0] == '^', the
|
||||
line must match from the start; otherwise any substring can match.
|
||||
When this loop finishes, TEMP, if non-null, is the history line to
|
||||
copy into the line buffer. */
|
||||
while (count)
|
||||
{
|
||||
ret = noninc_search_from_pos (history_search_string, rl_history_search_pos + dir, dir);
|
||||
if (ret == -1)
|
||||
break;
|
||||
|
||||
/* Get the history entry we found. */
|
||||
rl_history_search_pos = ret;
|
||||
oldpos = where_history ();
|
||||
history_set_pos (rl_history_search_pos);
|
||||
temp = current_history ();
|
||||
history_set_pos (oldpos);
|
||||
|
||||
/* Don't find multiple instances of the same line. */
|
||||
if (prev_line_found && STREQ (prev_line_found, temp->line))
|
||||
continue;
|
||||
prev_line_found = temp->line;
|
||||
count--;
|
||||
}
|
||||
|
||||
/* If we didn't find anything at all, return. */
|
||||
if (temp == 0)
|
||||
{
|
||||
rl_maybe_unsave_line ();
|
||||
rl_ding ();
|
||||
/* If you don't want the saved history line (last match) to show up
|
||||
in the line buffer after the search fails, change the #if 0 to
|
||||
#if 1 */
|
||||
#if 0
|
||||
if (rl_point > rl_history_search_len)
|
||||
{
|
||||
rl_point = rl_end = rl_history_search_len;
|
||||
rl_line_buffer[rl_end] = '\0';
|
||||
rl_mark = 0;
|
||||
}
|
||||
#else
|
||||
rl_point = rl_history_search_len; /* rl_maybe_unsave_line changes it */
|
||||
rl_mark = rl_end;
|
||||
#endif
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Copy the line we found into the current line buffer. */
|
||||
make_history_line_current (temp);
|
||||
|
||||
if (rl_history_search_flags & ANCHORED_SEARCH)
|
||||
rl_point = rl_history_search_len; /* easy case */
|
||||
else
|
||||
{
|
||||
t = strstr (rl_line_buffer, history_search_string);
|
||||
rl_point = t ? (int)(t - rl_line_buffer) + rl_history_search_len : rl_end;
|
||||
}
|
||||
rl_mark = rl_end;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
rl_history_search_reinit (flags)
|
||||
int flags;
|
||||
{
|
||||
int sind;
|
||||
|
||||
rl_history_search_pos = where_history ();
|
||||
rl_history_search_len = rl_point;
|
||||
rl_history_search_flags = flags;
|
||||
|
||||
prev_line_found = (char *)NULL;
|
||||
if (rl_point)
|
||||
{
|
||||
/* Allocate enough space for anchored and non-anchored searches */
|
||||
if (rl_history_search_len >= history_string_size - 2)
|
||||
{
|
||||
history_string_size = rl_history_search_len + 2;
|
||||
history_search_string = (char *)xrealloc (history_search_string, history_string_size);
|
||||
}
|
||||
sind = 0;
|
||||
if (flags & ANCHORED_SEARCH)
|
||||
history_search_string[sind++] = '^';
|
||||
strncpy (history_search_string + sind, rl_line_buffer, rl_point);
|
||||
history_search_string[rl_point + sind] = '\0';
|
||||
}
|
||||
_rl_free_saved_history_line ();
|
||||
}
|
||||
|
||||
/* Search forward in the history for the string of characters
|
||||
from the start of the line to rl_point. This is a non-incremental
|
||||
search. */
|
||||
int
|
||||
rl_history_search_forward (count, ignore)
|
||||
int count, ignore;
|
||||
{
|
||||
if (count == 0)
|
||||
return (0);
|
||||
|
||||
if (rl_last_func != rl_history_search_forward &&
|
||||
rl_last_func != rl_history_search_backward)
|
||||
rl_history_search_reinit (ANCHORED_SEARCH);
|
||||
|
||||
if (rl_history_search_len == 0)
|
||||
return (rl_get_next_history (count, ignore));
|
||||
return (rl_history_search_internal (abs (count), (count > 0) ? 1 : -1));
|
||||
}
|
||||
|
||||
/* Search backward through the history for the string of characters
|
||||
from the start of the line to rl_point. This is a non-incremental
|
||||
search. */
|
||||
int
|
||||
rl_history_search_backward (count, ignore)
|
||||
int count, ignore;
|
||||
{
|
||||
if (count == 0)
|
||||
return (0);
|
||||
|
||||
if (rl_last_func != rl_history_search_forward &&
|
||||
rl_last_func != rl_history_search_backward)
|
||||
rl_history_search_reinit (ANCHORED_SEARCH);
|
||||
|
||||
if (rl_history_search_len == 0)
|
||||
return (rl_get_previous_history (count, ignore));
|
||||
return (rl_history_search_internal (abs (count), (count > 0) ? -1 : 1));
|
||||
}
|
||||
@@ -1,212 +0,0 @@
|
||||
/* shell.c -- readline utility functions that are normally provided by
|
||||
bash when readline is linked as part of the shell. */
|
||||
|
||||
/* Copyright (C) 1997-2009 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>
|
||||
|
||||
#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_STRING_H)
|
||||
# include <string.h>
|
||||
#else
|
||||
# include <strings.h>
|
||||
#endif /* !HAVE_STRING_H */
|
||||
|
||||
#if defined (HAVE_LIMITS_H)
|
||||
# include <limits.h>
|
||||
#endif
|
||||
|
||||
#if defined (HAVE_FCNTL_H)
|
||||
#include <fcntl.h>
|
||||
#endif
|
||||
#if defined (HAVE_PWD_H)
|
||||
#include <pwd.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#include "rlstdc.h"
|
||||
#include "rlshell.h"
|
||||
#include "xmalloc.h"
|
||||
|
||||
#if defined (HAVE_GETPWUID) && !defined (HAVE_GETPW_DECLS)
|
||||
extern struct passwd *getpwuid PARAMS((uid_t));
|
||||
#endif /* HAVE_GETPWUID && !HAVE_GETPW_DECLS */
|
||||
|
||||
#ifndef NULL
|
||||
# define NULL 0
|
||||
#endif
|
||||
|
||||
#ifndef CHAR_BIT
|
||||
# define CHAR_BIT 8
|
||||
#endif
|
||||
|
||||
/* Nonzero if the integer type T is signed. */
|
||||
#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
|
||||
|
||||
/* Bound on length of the string representing an integer value of type T.
|
||||
Subtract one for the sign bit if T is signed;
|
||||
302 / 1000 is log10 (2) rounded up;
|
||||
add one for integer division truncation;
|
||||
add one more for a minus sign if t is signed. */
|
||||
#define INT_STRLEN_BOUND(t) \
|
||||
((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \
|
||||
+ 1 + TYPE_SIGNED (t))
|
||||
|
||||
/* All of these functions are resolved from bash if we are linking readline
|
||||
as part of bash. */
|
||||
|
||||
/* Does shell-like quoting using single quotes. */
|
||||
char *
|
||||
sh_single_quote (string)
|
||||
char *string;
|
||||
{
|
||||
register int c;
|
||||
char *result, *r, *s;
|
||||
|
||||
result = (char *)xmalloc (3 + (4 * strlen (string)));
|
||||
r = result;
|
||||
*r++ = '\'';
|
||||
|
||||
for (s = string; s && (c = *s); s++)
|
||||
{
|
||||
*r++ = c;
|
||||
|
||||
if (c == '\'')
|
||||
{
|
||||
*r++ = '\\'; /* insert escaped single quote */
|
||||
*r++ = '\'';
|
||||
*r++ = '\''; /* start new quoted string */
|
||||
}
|
||||
}
|
||||
|
||||
*r++ = '\'';
|
||||
*r = '\0';
|
||||
|
||||
return (result);
|
||||
}
|
||||
|
||||
/* Set the environment variables LINES and COLUMNS to lines and cols,
|
||||
respectively. */
|
||||
void
|
||||
sh_set_lines_and_columns (lines, cols)
|
||||
int lines, cols;
|
||||
{
|
||||
char *b;
|
||||
|
||||
#if defined (HAVE_SETENV)
|
||||
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
|
||||
sprintf (b, "%d", lines);
|
||||
setenv ("LINES", b, 1);
|
||||
xfree (b);
|
||||
|
||||
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
|
||||
sprintf (b, "%d", cols);
|
||||
setenv ("COLUMNS", b, 1);
|
||||
xfree (b);
|
||||
#else /* !HAVE_SETENV */
|
||||
# if defined (HAVE_PUTENV)
|
||||
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("LINES=") + 1);
|
||||
sprintf (b, "LINES=%d", lines);
|
||||
putenv (b);
|
||||
|
||||
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("COLUMNS=") + 1);
|
||||
sprintf (b, "COLUMNS=%d", cols);
|
||||
putenv (b);
|
||||
# endif /* HAVE_PUTENV */
|
||||
#endif /* !HAVE_SETENV */
|
||||
}
|
||||
|
||||
char *
|
||||
sh_get_env_value (varname)
|
||||
const char *varname;
|
||||
{
|
||||
return ((char *)getenv (varname));
|
||||
}
|
||||
|
||||
char *
|
||||
sh_get_home_dir ()
|
||||
{
|
||||
char *home_dir;
|
||||
struct passwd *entry;
|
||||
|
||||
home_dir = (char *)NULL;
|
||||
#if defined (HAVE_GETPWUID)
|
||||
# if defined (__TANDEM)
|
||||
entry = getpwnam (getlogin ());
|
||||
# else
|
||||
entry = getpwuid (getuid ());
|
||||
# endif
|
||||
if (entry)
|
||||
home_dir = entry->pw_dir;
|
||||
#endif
|
||||
return (home_dir);
|
||||
}
|
||||
|
||||
#if !defined (O_NDELAY)
|
||||
# if defined (FNDELAY)
|
||||
# define O_NDELAY FNDELAY
|
||||
# endif
|
||||
#endif
|
||||
|
||||
int
|
||||
sh_unset_nodelay_mode (fd)
|
||||
int fd;
|
||||
{
|
||||
#if defined (HAVE_FCNTL)
|
||||
int flags, bflags;
|
||||
|
||||
if ((flags = fcntl (fd, F_GETFL, 0)) < 0)
|
||||
return -1;
|
||||
|
||||
bflags = 0;
|
||||
|
||||
#ifdef O_NONBLOCK
|
||||
bflags |= O_NONBLOCK;
|
||||
#endif
|
||||
|
||||
#ifdef O_NDELAY
|
||||
bflags |= O_NDELAY;
|
||||
#endif
|
||||
|
||||
if (flags & bflags)
|
||||
{
|
||||
flags &= ~bflags;
|
||||
return (fcntl (fd, F_SETFL, flags));
|
||||
}
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -1,678 +0,0 @@
|
||||
/* signals.c -- signal handling support for readline. */
|
||||
|
||||
/* Copyright (C) 1987-2011 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 <stdio.h> /* Just for NULL. Yuck. */
|
||||
#include <sys/types.h>
|
||||
#include <signal.h>
|
||||
|
||||
#if defined (HAVE_UNISTD_H)
|
||||
# include <unistd.h>
|
||||
#endif /* HAVE_UNISTD_H */
|
||||
|
||||
/* System-specific feature definitions and include files. */
|
||||
#include "rldefs.h"
|
||||
|
||||
#if defined (GWINSZ_IN_SYS_IOCTL)
|
||||
# include <sys/ioctl.h>
|
||||
#endif /* GWINSZ_IN_SYS_IOCTL */
|
||||
|
||||
/* Some standard library routines. */
|
||||
#include "readline.h"
|
||||
#include "history.h"
|
||||
|
||||
#include "rlprivate.h"
|
||||
|
||||
#if defined (HANDLE_SIGNALS)
|
||||
|
||||
#if !defined (RETSIGTYPE)
|
||||
# if defined (VOID_SIGHANDLER)
|
||||
# define RETSIGTYPE void
|
||||
# else
|
||||
# define RETSIGTYPE int
|
||||
# endif /* !VOID_SIGHANDLER */
|
||||
#endif /* !RETSIGTYPE */
|
||||
|
||||
#if defined (VOID_SIGHANDLER)
|
||||
# define SIGHANDLER_RETURN return
|
||||
#else
|
||||
# define SIGHANDLER_RETURN return (0)
|
||||
#endif
|
||||
|
||||
/* This typedef is equivalent to the one for Function; it allows us
|
||||
to say SigHandler *foo = signal (SIGKILL, SIG_IGN); */
|
||||
typedef RETSIGTYPE SigHandler ();
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
typedef struct sigaction sighandler_cxt;
|
||||
# define rl_sigaction(s, nh, oh) sigaction(s, nh, oh)
|
||||
#else
|
||||
typedef struct { SigHandler *sa_handler; int sa_mask, sa_flags; } sighandler_cxt;
|
||||
# define sigemptyset(m)
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
#ifndef SA_RESTART
|
||||
# define SA_RESTART 0
|
||||
#endif
|
||||
|
||||
static SigHandler *rl_set_sighandler PARAMS((int, SigHandler *, sighandler_cxt *));
|
||||
static void rl_maybe_set_sighandler PARAMS((int, SigHandler *, sighandler_cxt *));
|
||||
|
||||
static RETSIGTYPE rl_signal_handler PARAMS((int));
|
||||
static RETSIGTYPE _rl_handle_signal PARAMS((int));
|
||||
|
||||
/* Exported variables for use by applications. */
|
||||
|
||||
/* If non-zero, readline will install its own signal handlers for
|
||||
SIGINT, SIGTERM, SIGHUP, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
|
||||
int rl_catch_signals = 1;
|
||||
|
||||
/* If non-zero, readline will install a signal handler for SIGWINCH. */
|
||||
#ifdef SIGWINCH
|
||||
int rl_catch_sigwinch = 1;
|
||||
#else
|
||||
int rl_catch_sigwinch = 0; /* for the readline state struct in readline.c */
|
||||
#endif
|
||||
|
||||
/* Private variables. */
|
||||
int _rl_interrupt_immediately = 0;
|
||||
int volatile _rl_caught_signal = 0; /* should be sig_atomic_t, but that requires including <signal.h> everywhere */
|
||||
|
||||
/* If non-zero, print characters corresponding to received signals as long as
|
||||
the user has indicated his desire to do so (_rl_echo_control_chars). */
|
||||
int _rl_echoctl = 0;
|
||||
|
||||
int _rl_intr_char = 0;
|
||||
int _rl_quit_char = 0;
|
||||
int _rl_susp_char = 0;
|
||||
|
||||
static int signals_set_flag;
|
||||
static int sigwinch_set_flag;
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Signal Handling */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
static sighandler_cxt old_int, old_term, old_hup, old_alrm, old_quit;
|
||||
#if defined (SIGTSTP)
|
||||
static sighandler_cxt old_tstp, old_ttou, old_ttin;
|
||||
#endif
|
||||
#if defined (SIGWINCH)
|
||||
static sighandler_cxt old_winch;
|
||||
#endif
|
||||
|
||||
/* Readline signal handler functions. */
|
||||
|
||||
/* Called from RL_CHECK_SIGNALS() macro */
|
||||
RETSIGTYPE
|
||||
_rl_signal_handler (sig)
|
||||
int sig;
|
||||
{
|
||||
_rl_caught_signal = 0; /* XXX */
|
||||
|
||||
if (sig == SIGWINCH)
|
||||
rl_resize_terminal ();
|
||||
else
|
||||
_rl_handle_signal (sig);
|
||||
SIGHANDLER_RETURN;
|
||||
}
|
||||
|
||||
static RETSIGTYPE
|
||||
rl_signal_handler (sig)
|
||||
int sig;
|
||||
{
|
||||
if (_rl_interrupt_immediately || RL_ISSTATE(RL_STATE_CALLBACK))
|
||||
{
|
||||
_rl_interrupt_immediately = 0;
|
||||
_rl_handle_signal (sig);
|
||||
}
|
||||
else
|
||||
_rl_caught_signal = sig;
|
||||
|
||||
SIGHANDLER_RETURN;
|
||||
}
|
||||
|
||||
static RETSIGTYPE
|
||||
_rl_handle_signal (sig)
|
||||
int sig;
|
||||
{
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigset_t set;
|
||||
#else /* !HAVE_POSIX_SIGNALS */
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
long omask;
|
||||
# else /* !HAVE_BSD_SIGNALS */
|
||||
sighandler_cxt dummy_cxt; /* needed for rl_set_sighandler call */
|
||||
# endif /* !HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
RL_SETSTATE(RL_STATE_SIGHANDLER);
|
||||
|
||||
#if !defined (HAVE_BSD_SIGNALS) && !defined (HAVE_POSIX_SIGNALS)
|
||||
/* Since the signal will not be blocked while we are in the signal
|
||||
handler, ignore it until rl_clear_signals resets the catcher. */
|
||||
# if defined (SIGALRM)
|
||||
if (sig == SIGINT || sig == SIGALRM)
|
||||
# else
|
||||
if (sig == SIGINT)
|
||||
# endif
|
||||
rl_set_sighandler (sig, SIG_IGN, &dummy_cxt);
|
||||
#endif /* !HAVE_BSD_SIGNALS && !HAVE_POSIX_SIGNALS */
|
||||
|
||||
switch (sig)
|
||||
{
|
||||
case SIGINT:
|
||||
_rl_reset_completion_state ();
|
||||
rl_free_line_state ();
|
||||
/* FALLTHROUGH */
|
||||
|
||||
case SIGTERM:
|
||||
case SIGHUP:
|
||||
#if defined (SIGTSTP)
|
||||
case SIGTSTP:
|
||||
case SIGTTOU:
|
||||
case SIGTTIN:
|
||||
#endif /* SIGTSTP */
|
||||
#if defined (SIGALRM)
|
||||
case SIGALRM:
|
||||
#endif
|
||||
#if defined (SIGQUIT)
|
||||
case SIGQUIT:
|
||||
#endif
|
||||
rl_echo_signal_char (sig);
|
||||
rl_cleanup_after_signal ();
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigemptyset (&set);
|
||||
sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &set);
|
||||
sigdelset (&set, sig);
|
||||
#else /* !HAVE_POSIX_SIGNALS */
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
omask = sigblock (0);
|
||||
# endif /* HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
#if defined (__EMX__)
|
||||
signal (sig, SIG_ACK);
|
||||
#endif
|
||||
|
||||
#if defined (HAVE_KILL)
|
||||
kill (getpid (), sig);
|
||||
#else
|
||||
raise (sig); /* assume we have raise */
|
||||
#endif
|
||||
|
||||
/* Let the signal that we just sent through. */
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigprocmask (SIG_SETMASK, &set, (sigset_t *)NULL);
|
||||
#else /* !HAVE_POSIX_SIGNALS */
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
sigsetmask (omask & ~(sigmask (sig)));
|
||||
# endif /* HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
rl_reset_after_signal ();
|
||||
}
|
||||
|
||||
RL_UNSETSTATE(RL_STATE_SIGHANDLER);
|
||||
SIGHANDLER_RETURN;
|
||||
}
|
||||
|
||||
#if defined (SIGWINCH)
|
||||
static RETSIGTYPE
|
||||
rl_sigwinch_handler (sig)
|
||||
int sig;
|
||||
{
|
||||
SigHandler *oh;
|
||||
|
||||
#if defined (MUST_REINSTALL_SIGHANDLERS)
|
||||
sighandler_cxt dummy_winch;
|
||||
|
||||
/* We don't want to change old_winch -- it holds the state of SIGWINCH
|
||||
disposition set by the calling application. We need this state
|
||||
because we call the application's SIGWINCH handler after updating
|
||||
our own idea of the screen size. */
|
||||
rl_set_sighandler (SIGWINCH, rl_sigwinch_handler, &dummy_winch);
|
||||
#endif
|
||||
|
||||
RL_SETSTATE(RL_STATE_SIGHANDLER);
|
||||
_rl_caught_signal = sig;
|
||||
|
||||
/* If another sigwinch handler has been installed, call it. */
|
||||
oh = (SigHandler *)old_winch.sa_handler;
|
||||
if (oh && oh != (SigHandler *)SIG_IGN && oh != (SigHandler *)SIG_DFL)
|
||||
(*oh) (sig);
|
||||
|
||||
RL_UNSETSTATE(RL_STATE_SIGHANDLER);
|
||||
SIGHANDLER_RETURN;
|
||||
}
|
||||
#endif /* SIGWINCH */
|
||||
|
||||
/* Functions to manage signal handling. */
|
||||
|
||||
#if !defined (HAVE_POSIX_SIGNALS)
|
||||
static int
|
||||
rl_sigaction (sig, nh, oh)
|
||||
int sig;
|
||||
sighandler_cxt *nh, *oh;
|
||||
{
|
||||
oh->sa_handler = signal (sig, nh->sa_handler);
|
||||
return 0;
|
||||
}
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
/* Set up a readline-specific signal handler, saving the old signal
|
||||
information in OHANDLER. Return the old signal handler, like
|
||||
signal(). */
|
||||
static SigHandler *
|
||||
rl_set_sighandler (sig, handler, ohandler)
|
||||
int sig;
|
||||
SigHandler *handler;
|
||||
sighandler_cxt *ohandler;
|
||||
{
|
||||
sighandler_cxt old_handler;
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
struct sigaction act;
|
||||
|
||||
act.sa_handler = handler;
|
||||
# if defined (SIGWINCH)
|
||||
act.sa_flags = (sig == SIGWINCH) ? SA_RESTART : 0;
|
||||
# else
|
||||
act.sa_flags = 0;
|
||||
# endif /* SIGWINCH */
|
||||
sigemptyset (&act.sa_mask);
|
||||
sigemptyset (&ohandler->sa_mask);
|
||||
sigaction (sig, &act, &old_handler);
|
||||
#else
|
||||
old_handler.sa_handler = (SigHandler *)signal (sig, handler);
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
/* XXX -- assume we have memcpy */
|
||||
/* If rl_set_signals is called twice in a row, don't set the old handler to
|
||||
rl_signal_handler, because that would cause infinite recursion. */
|
||||
if (handler != rl_signal_handler || old_handler.sa_handler != rl_signal_handler)
|
||||
memcpy (ohandler, &old_handler, sizeof (sighandler_cxt));
|
||||
|
||||
return (ohandler->sa_handler);
|
||||
}
|
||||
|
||||
static void
|
||||
rl_maybe_set_sighandler (sig, handler, ohandler)
|
||||
int sig;
|
||||
SigHandler *handler;
|
||||
sighandler_cxt *ohandler;
|
||||
{
|
||||
sighandler_cxt dummy;
|
||||
SigHandler *oh;
|
||||
|
||||
sigemptyset (&dummy.sa_mask);
|
||||
oh = rl_set_sighandler (sig, handler, ohandler);
|
||||
if (oh == (SigHandler *)SIG_IGN)
|
||||
rl_sigaction (sig, ohandler, &dummy);
|
||||
}
|
||||
|
||||
int
|
||||
rl_set_signals ()
|
||||
{
|
||||
sighandler_cxt dummy;
|
||||
SigHandler *oh;
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
static int sigmask_set = 0;
|
||||
static sigset_t bset, oset;
|
||||
#endif
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
if (rl_catch_signals && sigmask_set == 0)
|
||||
{
|
||||
sigemptyset (&bset);
|
||||
|
||||
sigaddset (&bset, SIGINT);
|
||||
sigaddset (&bset, SIGTERM);
|
||||
sigaddset (&bset, SIGHUP);
|
||||
#if defined (SIGQUIT)
|
||||
sigaddset (&bset, SIGQUIT);
|
||||
#endif
|
||||
#if defined (SIGALRM)
|
||||
sigaddset (&bset, SIGALRM);
|
||||
#endif
|
||||
#if defined (SIGTSTP)
|
||||
sigaddset (&bset, SIGTSTP);
|
||||
#endif
|
||||
#if defined (SIGTTIN)
|
||||
sigaddset (&bset, SIGTTIN);
|
||||
#endif
|
||||
#if defined (SIGTTOU)
|
||||
sigaddset (&bset, SIGTTOU);
|
||||
#endif
|
||||
sigmask_set = 1;
|
||||
}
|
||||
#endif /* HAVE_POSIX_SIGNALS */
|
||||
|
||||
if (rl_catch_signals && signals_set_flag == 0)
|
||||
{
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigemptyset (&oset);
|
||||
sigprocmask (SIG_BLOCK, &bset, &oset);
|
||||
#endif
|
||||
|
||||
rl_maybe_set_sighandler (SIGINT, rl_signal_handler, &old_int);
|
||||
rl_maybe_set_sighandler (SIGTERM, rl_signal_handler, &old_term);
|
||||
rl_maybe_set_sighandler (SIGHUP, rl_signal_handler, &old_hup);
|
||||
#if defined (SIGQUIT)
|
||||
rl_maybe_set_sighandler (SIGQUIT, rl_signal_handler, &old_quit);
|
||||
#endif
|
||||
|
||||
#if defined (SIGALRM)
|
||||
oh = rl_set_sighandler (SIGALRM, rl_signal_handler, &old_alrm);
|
||||
if (oh == (SigHandler *)SIG_IGN)
|
||||
rl_sigaction (SIGALRM, &old_alrm, &dummy);
|
||||
#if defined (HAVE_POSIX_SIGNALS) && defined (SA_RESTART)
|
||||
/* If the application using readline has already installed a signal
|
||||
handler with SA_RESTART, SIGALRM will cause reads to be restarted
|
||||
automatically, so readline should just get out of the way. Since
|
||||
we tested for SIG_IGN above, we can just test for SIG_DFL here. */
|
||||
if (oh != (SigHandler *)SIG_DFL && (old_alrm.sa_flags & SA_RESTART))
|
||||
rl_sigaction (SIGALRM, &old_alrm, &dummy);
|
||||
#endif /* HAVE_POSIX_SIGNALS */
|
||||
#endif /* SIGALRM */
|
||||
|
||||
#if defined (SIGTSTP)
|
||||
rl_maybe_set_sighandler (SIGTSTP, rl_signal_handler, &old_tstp);
|
||||
#endif /* SIGTSTP */
|
||||
|
||||
#if defined (SIGTTOU)
|
||||
rl_maybe_set_sighandler (SIGTTOU, rl_signal_handler, &old_ttou);
|
||||
#endif /* SIGTTOU */
|
||||
|
||||
#if defined (SIGTTIN)
|
||||
rl_maybe_set_sighandler (SIGTTIN, rl_signal_handler, &old_ttin);
|
||||
#endif /* SIGTTIN */
|
||||
|
||||
signals_set_flag = 1;
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
|
||||
#endif
|
||||
}
|
||||
|
||||
#if defined (SIGWINCH)
|
||||
if (rl_catch_sigwinch && sigwinch_set_flag == 0)
|
||||
{
|
||||
rl_maybe_set_sighandler (SIGWINCH, rl_sigwinch_handler, &old_winch);
|
||||
sigwinch_set_flag = 1;
|
||||
}
|
||||
#endif /* SIGWINCH */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
rl_clear_signals ()
|
||||
{
|
||||
sighandler_cxt dummy;
|
||||
|
||||
if (rl_catch_signals && signals_set_flag == 1)
|
||||
{
|
||||
sigemptyset (&dummy.sa_mask);
|
||||
|
||||
rl_sigaction (SIGINT, &old_int, &dummy);
|
||||
rl_sigaction (SIGTERM, &old_term, &dummy);
|
||||
rl_sigaction (SIGHUP, &old_hup, &dummy);
|
||||
#if defined (SIGQUIT)
|
||||
rl_sigaction (SIGQUIT, &old_quit, &dummy);
|
||||
#endif
|
||||
#if defined (SIGALRM)
|
||||
rl_sigaction (SIGALRM, &old_alrm, &dummy);
|
||||
#endif
|
||||
|
||||
#if defined (SIGTSTP)
|
||||
rl_sigaction (SIGTSTP, &old_tstp, &dummy);
|
||||
#endif /* SIGTSTP */
|
||||
|
||||
#if defined (SIGTTOU)
|
||||
rl_sigaction (SIGTTOU, &old_ttou, &dummy);
|
||||
#endif /* SIGTTOU */
|
||||
|
||||
#if defined (SIGTTIN)
|
||||
rl_sigaction (SIGTTIN, &old_ttin, &dummy);
|
||||
#endif /* SIGTTIN */
|
||||
|
||||
signals_set_flag = 0;
|
||||
}
|
||||
|
||||
#if defined (SIGWINCH)
|
||||
if (rl_catch_sigwinch && sigwinch_set_flag == 1)
|
||||
{
|
||||
sigemptyset (&dummy.sa_mask);
|
||||
rl_sigaction (SIGWINCH, &old_winch, &dummy);
|
||||
sigwinch_set_flag = 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Clean up the terminal and readline state after catching a signal, before
|
||||
resending it to the calling application. */
|
||||
void
|
||||
rl_cleanup_after_signal ()
|
||||
{
|
||||
_rl_clean_up_for_exit ();
|
||||
if (rl_deprep_term_function)
|
||||
(*rl_deprep_term_function) ();
|
||||
rl_clear_pending_input ();
|
||||
rl_clear_signals ();
|
||||
}
|
||||
|
||||
/* Reset the terminal and readline state after a signal handler returns. */
|
||||
void
|
||||
rl_reset_after_signal ()
|
||||
{
|
||||
if (rl_prep_term_function)
|
||||
(*rl_prep_term_function) (_rl_meta_flag);
|
||||
rl_set_signals ();
|
||||
}
|
||||
|
||||
/* Free up the readline variable line state for the current line (undo list,
|
||||
any partial history entry, any keyboard macros in progress, and any
|
||||
numeric arguments in process) after catching a signal, before calling
|
||||
rl_cleanup_after_signal(). */
|
||||
void
|
||||
rl_free_line_state ()
|
||||
{
|
||||
register HIST_ENTRY *entry;
|
||||
|
||||
rl_free_undo_list ();
|
||||
|
||||
entry = current_history ();
|
||||
if (entry)
|
||||
entry->data = (char *)NULL;
|
||||
|
||||
_rl_kill_kbd_macro ();
|
||||
rl_clear_message ();
|
||||
_rl_reset_argument ();
|
||||
}
|
||||
|
||||
#endif /* HANDLE_SIGNALS */
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* SIGINT Management */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
static sigset_t sigint_set, sigint_oset;
|
||||
static sigset_t sigwinch_set, sigwinch_oset;
|
||||
#else /* !HAVE_POSIX_SIGNALS */
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
static int sigint_oldmask;
|
||||
static int sigwinch_oldmask;
|
||||
# endif /* HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
static int sigint_blocked;
|
||||
static int sigwinch_blocked;
|
||||
|
||||
/* Cause SIGINT to not be delivered until the corresponding call to
|
||||
release_sigint(). */
|
||||
void
|
||||
_rl_block_sigint ()
|
||||
{
|
||||
if (sigint_blocked)
|
||||
return;
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigemptyset (&sigint_set);
|
||||
sigemptyset (&sigint_oset);
|
||||
sigaddset (&sigint_set, SIGINT);
|
||||
sigprocmask (SIG_BLOCK, &sigint_set, &sigint_oset);
|
||||
#else /* !HAVE_POSIX_SIGNALS */
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
sigint_oldmask = sigblock (sigmask (SIGINT));
|
||||
# else /* !HAVE_BSD_SIGNALS */
|
||||
# if defined (HAVE_USG_SIGHOLD)
|
||||
sighold (SIGINT);
|
||||
# endif /* HAVE_USG_SIGHOLD */
|
||||
# endif /* !HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
sigint_blocked = 1;
|
||||
}
|
||||
|
||||
/* Allow SIGINT to be delivered. */
|
||||
void
|
||||
_rl_release_sigint ()
|
||||
{
|
||||
if (sigint_blocked == 0)
|
||||
return;
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigprocmask (SIG_SETMASK, &sigint_oset, (sigset_t *)NULL);
|
||||
#else
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
sigsetmask (sigint_oldmask);
|
||||
# else /* !HAVE_BSD_SIGNALS */
|
||||
# if defined (HAVE_USG_SIGHOLD)
|
||||
sigrelse (SIGINT);
|
||||
# endif /* HAVE_USG_SIGHOLD */
|
||||
# endif /* !HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
sigint_blocked = 0;
|
||||
}
|
||||
|
||||
/* Cause SIGWINCH to not be delivered until the corresponding call to
|
||||
release_sigwinch(). */
|
||||
void
|
||||
_rl_block_sigwinch ()
|
||||
{
|
||||
if (sigwinch_blocked)
|
||||
return;
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigemptyset (&sigwinch_set);
|
||||
sigemptyset (&sigwinch_oset);
|
||||
sigaddset (&sigwinch_set, SIGWINCH);
|
||||
sigprocmask (SIG_BLOCK, &sigwinch_set, &sigwinch_oset);
|
||||
#else /* !HAVE_POSIX_SIGNALS */
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
sigwinch_oldmask = sigblock (sigmask (SIGWINCH));
|
||||
# else /* !HAVE_BSD_SIGNALS */
|
||||
# if defined (HAVE_USG_SIGHOLD)
|
||||
sighold (SIGWINCH);
|
||||
# endif /* HAVE_USG_SIGHOLD */
|
||||
# endif /* !HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
sigwinch_blocked = 1;
|
||||
}
|
||||
|
||||
/* Allow SIGWINCH to be delivered. */
|
||||
void
|
||||
_rl_release_sigwinch ()
|
||||
{
|
||||
if (sigwinch_blocked == 0)
|
||||
return;
|
||||
|
||||
#if defined (HAVE_POSIX_SIGNALS)
|
||||
sigprocmask (SIG_SETMASK, &sigwinch_oset, (sigset_t *)NULL);
|
||||
#else
|
||||
# if defined (HAVE_BSD_SIGNALS)
|
||||
sigsetmask (sigwinch_oldmask);
|
||||
# else /* !HAVE_BSD_SIGNALS */
|
||||
# if defined (HAVE_USG_SIGHOLD)
|
||||
sigrelse (SIGWINCH);
|
||||
# endif /* HAVE_USG_SIGHOLD */
|
||||
# endif /* !HAVE_BSD_SIGNALS */
|
||||
#endif /* !HAVE_POSIX_SIGNALS */
|
||||
|
||||
sigwinch_blocked = 0;
|
||||
}
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Echoing special control characters */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
void
|
||||
rl_echo_signal_char (sig)
|
||||
int sig;
|
||||
{
|
||||
char cstr[3];
|
||||
int cslen, c;
|
||||
|
||||
if (_rl_echoctl == 0 || _rl_echo_control_chars == 0)
|
||||
return;
|
||||
|
||||
switch (sig)
|
||||
{
|
||||
case SIGINT: c = _rl_intr_char; break;
|
||||
#if defined (SIGQUIT)
|
||||
case SIGQUIT: c = _rl_quit_char; break;
|
||||
#endif
|
||||
#if defined (SIGTSTP)
|
||||
case SIGTSTP: c = _rl_susp_char; break;
|
||||
#endif
|
||||
default: return;
|
||||
}
|
||||
|
||||
if (CTRL_CHAR (c) || c == RUBOUT)
|
||||
{
|
||||
cstr[0] = '^';
|
||||
cstr[1] = CTRL_CHAR (c) ? UNCTRL (c) : '?';
|
||||
cstr[cslen = 2] = '\0';
|
||||
}
|
||||
else
|
||||
{
|
||||
cstr[0] = c;
|
||||
cstr[cslen = 1] = '\0';
|
||||
}
|
||||
|
||||
_rl_output_some_chars (cstr, cslen);
|
||||
}
|
||||
@@ -1,737 +0,0 @@
|
||||
/* terminal.c -- controlling the terminal with termcap. */
|
||||
|
||||
/* Copyright (C) 1996-2009 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 "posixstat.h"
|
||||
#include <fcntl.h>
|
||||
#if defined (HAVE_SYS_FILE_H)
|
||||
# include <sys/file.h>
|
||||
#endif /* HAVE_SYS_FILE_H */
|
||||
|
||||
#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"
|
||||
|
||||
#if defined (GWINSZ_IN_SYS_IOCTL) && !defined (TIOCGWINSZ)
|
||||
# include <sys/ioctl.h>
|
||||
#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
|
||||
|
||||
#include "rltty.h"
|
||||
#include "tcap.h"
|
||||
|
||||
/* Some standard library routines. */
|
||||
#include "readline.h"
|
||||
#include "history.h"
|
||||
|
||||
#include "rlprivate.h"
|
||||
#include "rlshell.h"
|
||||
#include "xmalloc.h"
|
||||
|
||||
#if defined (__MINGW32__)
|
||||
# include <windows.h>
|
||||
# include <wincon.h>
|
||||
|
||||
static void _win_get_screensize PARAMS((int *, int *));
|
||||
#endif
|
||||
|
||||
#if defined (__EMX__)
|
||||
static void _emx_get_screensize PARAMS((int *, int *));
|
||||
#endif
|
||||
|
||||
#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
|
||||
#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
|
||||
|
||||
/* If the calling application sets this to a non-zero value, readline will
|
||||
use the $LINES and $COLUMNS environment variables to set its idea of the
|
||||
window size before interrogating the kernel. */
|
||||
int rl_prefer_env_winsize = 0;
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Terminal and Termcap */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
static char *term_buffer = (char *)NULL;
|
||||
static char *term_string_buffer = (char *)NULL;
|
||||
|
||||
static int tcap_initialized;
|
||||
|
||||
#if !defined (__linux__) && !defined (NCURSES_VERSION)
|
||||
# if defined (__EMX__) || defined (NEED_EXTERN_PC)
|
||||
extern
|
||||
# endif /* __EMX__ || NEED_EXTERN_PC */
|
||||
char PC, *BC, *UP;
|
||||
#endif /* !__linux__ && !NCURSES_VERSION */
|
||||
|
||||
/* Some strings to control terminal actions. These are output by tputs (). */
|
||||
char *_rl_term_clreol;
|
||||
char *_rl_term_clrpag;
|
||||
char *_rl_term_cr;
|
||||
char *_rl_term_backspace;
|
||||
char *_rl_term_goto;
|
||||
char *_rl_term_pc;
|
||||
|
||||
/* Non-zero if we determine that the terminal can do character insertion. */
|
||||
int _rl_terminal_can_insert = 0;
|
||||
|
||||
/* How to insert characters. */
|
||||
char *_rl_term_im;
|
||||
char *_rl_term_ei;
|
||||
char *_rl_term_ic;
|
||||
char *_rl_term_ip;
|
||||
char *_rl_term_IC;
|
||||
|
||||
/* How to delete characters. */
|
||||
char *_rl_term_dc;
|
||||
char *_rl_term_DC;
|
||||
|
||||
char *_rl_term_forward_char;
|
||||
|
||||
/* How to go up a line. */
|
||||
char *_rl_term_up;
|
||||
|
||||
/* A visible bell; char if the terminal can be made to flash the screen. */
|
||||
static char *_rl_visible_bell;
|
||||
|
||||
/* Non-zero means the terminal can auto-wrap lines. */
|
||||
int _rl_term_autowrap = -1;
|
||||
|
||||
/* Non-zero means that this terminal has a meta key. */
|
||||
static int term_has_meta;
|
||||
|
||||
/* The sequences to write to turn on and off the meta key, if this
|
||||
terminal has one. */
|
||||
static char *_rl_term_mm;
|
||||
static char *_rl_term_mo;
|
||||
|
||||
/* The key sequences output by the arrow keys, if this terminal has any. */
|
||||
static char *_rl_term_ku;
|
||||
static char *_rl_term_kd;
|
||||
static char *_rl_term_kr;
|
||||
static char *_rl_term_kl;
|
||||
|
||||
/* How to initialize and reset the arrow keys, if this terminal has any. */
|
||||
static char *_rl_term_ks;
|
||||
static char *_rl_term_ke;
|
||||
|
||||
/* The key sequences sent by the Home and End keys, if any. */
|
||||
static char *_rl_term_kh;
|
||||
static char *_rl_term_kH;
|
||||
static char *_rl_term_at7; /* @7 */
|
||||
|
||||
/* Delete key */
|
||||
static char *_rl_term_kD;
|
||||
|
||||
/* Insert key */
|
||||
static char *_rl_term_kI;
|
||||
|
||||
/* Cursor control */
|
||||
static char *_rl_term_vs; /* very visible */
|
||||
static char *_rl_term_ve; /* normal */
|
||||
|
||||
static void bind_termcap_arrow_keys PARAMS((Keymap));
|
||||
|
||||
/* Variables that hold the screen dimensions, used by the display code. */
|
||||
int _rl_screenwidth, _rl_screenheight, _rl_screenchars;
|
||||
|
||||
/* Non-zero means the user wants to enable the keypad. */
|
||||
int _rl_enable_keypad;
|
||||
|
||||
/* Non-zero means the user wants to enable a meta key. */
|
||||
int _rl_enable_meta = 1;
|
||||
|
||||
#if defined (__EMX__)
|
||||
static void
|
||||
_emx_get_screensize (swp, shp)
|
||||
int *swp, *shp;
|
||||
{
|
||||
int sz[2];
|
||||
|
||||
_scrsize (sz);
|
||||
|
||||
if (swp)
|
||||
*swp = sz[0];
|
||||
if (shp)
|
||||
*shp = sz[1];
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined (__MINGW32__)
|
||||
static void
|
||||
_win_get_screensize (swp, shp)
|
||||
int *swp, *shp;
|
||||
{
|
||||
HANDLE hConOut;
|
||||
CONSOLE_SCREEN_BUFFER_INFO scr;
|
||||
|
||||
hConOut = GetStdHandle (STD_OUTPUT_HANDLE);
|
||||
if (hConOut != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
if (GetConsoleScreenBufferInfo (hConOut, &scr))
|
||||
{
|
||||
*swp = scr.dwSize.X;
|
||||
*shp = scr.srWindow.Bottom - scr.srWindow.Top + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Get readline's idea of the screen size. TTY is a file descriptor open
|
||||
to the terminal. If IGNORE_ENV is true, we do not pay attention to the
|
||||
values of $LINES and $COLUMNS. The tests for TERM_STRING_BUFFER being
|
||||
non-null serve to check whether or not we have initialized termcap. */
|
||||
void
|
||||
_rl_get_screen_size (tty, ignore_env)
|
||||
int tty, ignore_env;
|
||||
{
|
||||
char *ss;
|
||||
#if defined (TIOCGWINSZ)
|
||||
struct winsize window_size;
|
||||
#endif /* TIOCGWINSZ */
|
||||
int wr, wc;
|
||||
|
||||
wr = wc = -1;
|
||||
#if defined (TIOCGWINSZ)
|
||||
if (ioctl (tty, TIOCGWINSZ, &window_size) == 0)
|
||||
{
|
||||
wc = (int) window_size.ws_col;
|
||||
wr = (int) window_size.ws_row;
|
||||
}
|
||||
#endif /* TIOCGWINSZ */
|
||||
|
||||
#if defined (__EMX__)
|
||||
_emx_get_screensize (&wc, &wr);
|
||||
#elif defined (__MINGW32__)
|
||||
_win_get_screensize (&wc, &wr);
|
||||
#endif
|
||||
|
||||
if (ignore_env || rl_prefer_env_winsize == 0)
|
||||
{
|
||||
_rl_screenwidth = wc;
|
||||
_rl_screenheight = wr;
|
||||
}
|
||||
else
|
||||
_rl_screenwidth = _rl_screenheight = -1;
|
||||
|
||||
/* Environment variable COLUMNS overrides setting of "co" if IGNORE_ENV
|
||||
is unset. If we prefer the environment, check it first before
|
||||
assigning the value returned by the kernel. */
|
||||
if (_rl_screenwidth <= 0)
|
||||
{
|
||||
if (ignore_env == 0 && (ss = sh_get_env_value ("COLUMNS")))
|
||||
_rl_screenwidth = atoi (ss);
|
||||
|
||||
if (_rl_screenwidth <= 0)
|
||||
_rl_screenwidth = wc;
|
||||
|
||||
#if !defined (__DJGPP__)
|
||||
if (_rl_screenwidth <= 0 && term_string_buffer)
|
||||
_rl_screenwidth = tgetnum ("co");
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Environment variable LINES overrides setting of "li" if IGNORE_ENV
|
||||
is unset. */
|
||||
if (_rl_screenheight <= 0)
|
||||
{
|
||||
if (ignore_env == 0 && (ss = sh_get_env_value ("LINES")))
|
||||
_rl_screenheight = atoi (ss);
|
||||
|
||||
if (_rl_screenheight <= 0)
|
||||
_rl_screenheight = wr;
|
||||
|
||||
#if !defined (__DJGPP__)
|
||||
if (_rl_screenheight <= 0 && term_string_buffer)
|
||||
_rl_screenheight = tgetnum ("li");
|
||||
#endif
|
||||
}
|
||||
|
||||
/* If all else fails, default to 80x24 terminal. */
|
||||
if (_rl_screenwidth <= 1)
|
||||
_rl_screenwidth = 80;
|
||||
|
||||
if (_rl_screenheight <= 0)
|
||||
_rl_screenheight = 24;
|
||||
|
||||
/* If we're being compiled as part of bash, set the environment
|
||||
variables $LINES and $COLUMNS to new values. Otherwise, just
|
||||
do a pair of putenv () or setenv () calls. */
|
||||
sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
|
||||
|
||||
if (_rl_term_autowrap == 0)
|
||||
_rl_screenwidth--;
|
||||
|
||||
_rl_screenchars = _rl_screenwidth * _rl_screenheight;
|
||||
}
|
||||
|
||||
void
|
||||
_rl_set_screen_size (rows, cols)
|
||||
int rows, cols;
|
||||
{
|
||||
if (_rl_term_autowrap == -1)
|
||||
_rl_init_terminal_io (rl_terminal_name);
|
||||
|
||||
if (rows > 0)
|
||||
_rl_screenheight = rows;
|
||||
if (cols > 0)
|
||||
{
|
||||
_rl_screenwidth = cols;
|
||||
if (_rl_term_autowrap == 0)
|
||||
_rl_screenwidth--;
|
||||
}
|
||||
|
||||
if (rows > 0 || cols > 0)
|
||||
_rl_screenchars = _rl_screenwidth * _rl_screenheight;
|
||||
}
|
||||
|
||||
void
|
||||
rl_set_screen_size (rows, cols)
|
||||
int rows, cols;
|
||||
{
|
||||
_rl_set_screen_size (rows, cols);
|
||||
}
|
||||
|
||||
void
|
||||
rl_get_screen_size (rows, cols)
|
||||
int *rows, *cols;
|
||||
{
|
||||
if (rows)
|
||||
*rows = _rl_screenheight;
|
||||
if (cols)
|
||||
*cols = _rl_screenwidth;
|
||||
}
|
||||
|
||||
void
|
||||
rl_reset_screen_size ()
|
||||
{
|
||||
_rl_get_screen_size (fileno (rl_instream), 0);
|
||||
}
|
||||
|
||||
void
|
||||
_rl_sigwinch_resize_terminal ()
|
||||
{
|
||||
_rl_get_screen_size (fileno (rl_instream), 1);
|
||||
}
|
||||
|
||||
void
|
||||
rl_resize_terminal ()
|
||||
{
|
||||
_rl_get_screen_size (fileno (rl_instream), 1);
|
||||
if (_rl_echoing_p)
|
||||
{
|
||||
if (CUSTOM_REDISPLAY_FUNC ())
|
||||
rl_forced_update_display ();
|
||||
else if (RL_ISSTATE(RL_STATE_REDISPLAYING) == 0)
|
||||
_rl_redisplay_after_sigwinch ();
|
||||
}
|
||||
}
|
||||
|
||||
struct _tc_string {
|
||||
const char * const tc_var;
|
||||
char **tc_value;
|
||||
};
|
||||
|
||||
/* This should be kept sorted, just in case we decide to change the
|
||||
search algorithm to something smarter. */
|
||||
static const struct _tc_string tc_strings[] =
|
||||
{
|
||||
{ "@7", &_rl_term_at7 },
|
||||
{ "DC", &_rl_term_DC },
|
||||
{ "IC", &_rl_term_IC },
|
||||
{ "ce", &_rl_term_clreol },
|
||||
{ "cl", &_rl_term_clrpag },
|
||||
{ "cr", &_rl_term_cr },
|
||||
{ "dc", &_rl_term_dc },
|
||||
{ "ei", &_rl_term_ei },
|
||||
{ "ic", &_rl_term_ic },
|
||||
{ "im", &_rl_term_im },
|
||||
{ "kD", &_rl_term_kD }, /* delete */
|
||||
{ "kH", &_rl_term_kH }, /* home down ?? */
|
||||
{ "kI", &_rl_term_kI }, /* insert */
|
||||
{ "kd", &_rl_term_kd },
|
||||
{ "ke", &_rl_term_ke }, /* end keypad mode */
|
||||
{ "kh", &_rl_term_kh }, /* home */
|
||||
{ "kl", &_rl_term_kl },
|
||||
{ "kr", &_rl_term_kr },
|
||||
{ "ks", &_rl_term_ks }, /* start keypad mode */
|
||||
{ "ku", &_rl_term_ku },
|
||||
{ "le", &_rl_term_backspace },
|
||||
{ "mm", &_rl_term_mm },
|
||||
{ "mo", &_rl_term_mo },
|
||||
{ "nd", &_rl_term_forward_char },
|
||||
{ "pc", &_rl_term_pc },
|
||||
{ "up", &_rl_term_up },
|
||||
{ "vb", &_rl_visible_bell },
|
||||
{ "vs", &_rl_term_vs },
|
||||
{ "ve", &_rl_term_ve },
|
||||
};
|
||||
|
||||
#define NUM_TC_STRINGS (sizeof (tc_strings) / sizeof (struct _tc_string))
|
||||
|
||||
/* Read the desired terminal capability strings into BP. The capabilities
|
||||
are described in the TC_STRINGS table. */
|
||||
static void
|
||||
get_term_capabilities (bp)
|
||||
char **bp;
|
||||
{
|
||||
#if !defined (__DJGPP__) /* XXX - doesn't DJGPP have a termcap library? */
|
||||
register int i;
|
||||
|
||||
for (i = 0; i < NUM_TC_STRINGS; i++)
|
||||
*(tc_strings[i].tc_value) = tgetstr ((char *)tc_strings[i].tc_var, bp);
|
||||
#endif
|
||||
tcap_initialized = 1;
|
||||
}
|
||||
|
||||
int
|
||||
_rl_init_terminal_io (terminal_name)
|
||||
const char *terminal_name;
|
||||
{
|
||||
const char *term;
|
||||
char *buffer;
|
||||
int tty, tgetent_ret;
|
||||
|
||||
term = terminal_name ? terminal_name : sh_get_env_value ("TERM");
|
||||
_rl_term_clrpag = _rl_term_cr = _rl_term_clreol = (char *)NULL;
|
||||
tty = rl_instream ? fileno (rl_instream) : 0;
|
||||
|
||||
if (term == 0)
|
||||
term = "dumb";
|
||||
|
||||
/* I've separated this out for later work on not calling tgetent at all
|
||||
if the calling application has supplied a custom redisplay function,
|
||||
(and possibly if the application has supplied a custom input function). */
|
||||
if (CUSTOM_REDISPLAY_FUNC())
|
||||
{
|
||||
tgetent_ret = -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (term_string_buffer == 0)
|
||||
term_string_buffer = (char *)xmalloc(2032);
|
||||
|
||||
if (term_buffer == 0)
|
||||
term_buffer = (char *)xmalloc(4080);
|
||||
|
||||
buffer = term_string_buffer;
|
||||
|
||||
tgetent_ret = tgetent (term_buffer, term);
|
||||
}
|
||||
|
||||
if (tgetent_ret <= 0)
|
||||
{
|
||||
FREE (term_string_buffer);
|
||||
FREE (term_buffer);
|
||||
buffer = term_buffer = term_string_buffer = (char *)NULL;
|
||||
|
||||
_rl_term_autowrap = 0; /* used by _rl_get_screen_size */
|
||||
|
||||
/* Allow calling application to set default height and width, using
|
||||
rl_set_screen_size */
|
||||
if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
|
||||
{
|
||||
#if defined (__EMX__)
|
||||
_emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
|
||||
_rl_screenwidth--;
|
||||
#else /* !__EMX__ */
|
||||
_rl_get_screen_size (tty, 0);
|
||||
#endif /* !__EMX__ */
|
||||
}
|
||||
|
||||
/* Defaults. */
|
||||
if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
|
||||
{
|
||||
_rl_screenwidth = 79;
|
||||
_rl_screenheight = 24;
|
||||
}
|
||||
|
||||
/* Everything below here is used by the redisplay code (tputs). */
|
||||
_rl_screenchars = _rl_screenwidth * _rl_screenheight;
|
||||
_rl_term_cr = "\r";
|
||||
_rl_term_im = _rl_term_ei = _rl_term_ic = _rl_term_IC = (char *)NULL;
|
||||
_rl_term_up = _rl_term_dc = _rl_term_DC = _rl_visible_bell = (char *)NULL;
|
||||
_rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
|
||||
_rl_term_kh = _rl_term_kH = _rl_term_kI = _rl_term_kD = (char *)NULL;
|
||||
_rl_term_ks = _rl_term_ke = _rl_term_at7 = (char *)NULL;
|
||||
_rl_term_mm = _rl_term_mo = (char *)NULL;
|
||||
_rl_term_ve = _rl_term_vs = (char *)NULL;
|
||||
_rl_term_forward_char = (char *)NULL;
|
||||
_rl_terminal_can_insert = term_has_meta = 0;
|
||||
|
||||
/* Reasonable defaults for tgoto(). Readline currently only uses
|
||||
tgoto if _rl_term_IC or _rl_term_DC is defined, but just in case we
|
||||
change that later... */
|
||||
PC = '\0';
|
||||
BC = _rl_term_backspace = "\b";
|
||||
UP = _rl_term_up;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
get_term_capabilities (&buffer);
|
||||
|
||||
/* Set up the variables that the termcap library expects the application
|
||||
to provide. */
|
||||
PC = _rl_term_pc ? *_rl_term_pc : 0;
|
||||
BC = _rl_term_backspace;
|
||||
UP = _rl_term_up;
|
||||
|
||||
if (!_rl_term_cr)
|
||||
_rl_term_cr = "\r";
|
||||
|
||||
_rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
|
||||
|
||||
/* Allow calling application to set default height and width, using
|
||||
rl_set_screen_size */
|
||||
if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
|
||||
_rl_get_screen_size (tty, 0);
|
||||
|
||||
/* "An application program can assume that the terminal can do
|
||||
character insertion if *any one of* the capabilities `IC',
|
||||
`im', `ic' or `ip' is provided." But we can't do anything if
|
||||
only `ip' is provided, so... */
|
||||
_rl_terminal_can_insert = (_rl_term_IC || _rl_term_im || _rl_term_ic);
|
||||
|
||||
/* Check to see if this terminal has a meta key and clear the capability
|
||||
variables if there is none. */
|
||||
term_has_meta = tgetflag ("km") != 0;
|
||||
if (term_has_meta == 0)
|
||||
_rl_term_mm = _rl_term_mo = (char *)NULL;
|
||||
|
||||
/* Attempt to find and bind the arrow keys. Do not override already
|
||||
bound keys in an overzealous attempt, however. */
|
||||
|
||||
bind_termcap_arrow_keys (emacs_standard_keymap);
|
||||
|
||||
#if defined (VI_MODE)
|
||||
bind_termcap_arrow_keys (vi_movement_keymap);
|
||||
bind_termcap_arrow_keys (vi_insertion_keymap);
|
||||
#endif /* VI_MODE */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Bind the arrow key sequences from the termcap description in MAP. */
|
||||
static void
|
||||
bind_termcap_arrow_keys (map)
|
||||
Keymap map;
|
||||
{
|
||||
Keymap xkeymap;
|
||||
|
||||
xkeymap = _rl_keymap;
|
||||
_rl_keymap = map;
|
||||
|
||||
rl_bind_keyseq_if_unbound (_rl_term_ku, rl_get_previous_history);
|
||||
rl_bind_keyseq_if_unbound (_rl_term_kd, rl_get_next_history);
|
||||
rl_bind_keyseq_if_unbound (_rl_term_kr, rl_forward_char);
|
||||
rl_bind_keyseq_if_unbound (_rl_term_kl, rl_backward_char);
|
||||
|
||||
rl_bind_keyseq_if_unbound (_rl_term_kh, rl_beg_of_line); /* Home */
|
||||
rl_bind_keyseq_if_unbound (_rl_term_at7, rl_end_of_line); /* End */
|
||||
|
||||
rl_bind_keyseq_if_unbound (_rl_term_kD, rl_delete);
|
||||
|
||||
_rl_keymap = xkeymap;
|
||||
}
|
||||
|
||||
char *
|
||||
rl_get_termcap (cap)
|
||||
const char *cap;
|
||||
{
|
||||
register int i;
|
||||
|
||||
if (tcap_initialized == 0)
|
||||
return ((char *)NULL);
|
||||
for (i = 0; i < NUM_TC_STRINGS; i++)
|
||||
{
|
||||
if (tc_strings[i].tc_var[0] == cap[0] && strcmp (tc_strings[i].tc_var, cap) == 0)
|
||||
return *(tc_strings[i].tc_value);
|
||||
}
|
||||
return ((char *)NULL);
|
||||
}
|
||||
|
||||
/* Re-initialize the terminal considering that the TERM/TERMCAP variable
|
||||
has changed. */
|
||||
int
|
||||
rl_reset_terminal (terminal_name)
|
||||
const char *terminal_name;
|
||||
{
|
||||
_rl_screenwidth = _rl_screenheight = 0;
|
||||
_rl_init_terminal_io (terminal_name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* A function for the use of tputs () */
|
||||
#ifdef _MINIX
|
||||
void
|
||||
_rl_output_character_function (c)
|
||||
int c;
|
||||
{
|
||||
putc (c, _rl_out_stream);
|
||||
}
|
||||
#else /* !_MINIX */
|
||||
int
|
||||
_rl_output_character_function (c)
|
||||
int c;
|
||||
{
|
||||
return putc (c, _rl_out_stream);
|
||||
}
|
||||
#endif /* !_MINIX */
|
||||
|
||||
/* Write COUNT characters from STRING to the output stream. */
|
||||
void
|
||||
_rl_output_some_chars (string, count)
|
||||
const char *string;
|
||||
int count;
|
||||
{
|
||||
fwrite (string, 1, count, _rl_out_stream);
|
||||
}
|
||||
|
||||
/* Move the cursor back. */
|
||||
int
|
||||
_rl_backspace (count)
|
||||
int count;
|
||||
{
|
||||
register int i;
|
||||
|
||||
if (_rl_term_backspace)
|
||||
for (i = 0; i < count; i++)
|
||||
tputs (_rl_term_backspace, 1, _rl_output_character_function);
|
||||
else
|
||||
for (i = 0; i < count; i++)
|
||||
putc ('\b', _rl_out_stream);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Move to the start of the next line. */
|
||||
int
|
||||
rl_crlf ()
|
||||
{
|
||||
#if defined (NEW_TTY_DRIVER) || defined (__MINT__)
|
||||
if (_rl_term_cr)
|
||||
tputs (_rl_term_cr, 1, _rl_output_character_function);
|
||||
#endif /* NEW_TTY_DRIVER || __MINT__ */
|
||||
putc ('\n', _rl_out_stream);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Ring the terminal bell. */
|
||||
int
|
||||
rl_ding ()
|
||||
{
|
||||
if (_rl_echoing_p)
|
||||
{
|
||||
switch (_rl_bell_preference)
|
||||
{
|
||||
case NO_BELL:
|
||||
default:
|
||||
break;
|
||||
case VISIBLE_BELL:
|
||||
if (_rl_visible_bell)
|
||||
{
|
||||
tputs (_rl_visible_bell, 1, _rl_output_character_function);
|
||||
break;
|
||||
}
|
||||
/* FALLTHROUGH */
|
||||
case AUDIBLE_BELL:
|
||||
fprintf (stderr, "\007");
|
||||
fflush (stderr);
|
||||
break;
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Controlling the Meta Key and Keypad */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
void
|
||||
_rl_enable_meta_key ()
|
||||
{
|
||||
#if !defined (__DJGPP__)
|
||||
if (term_has_meta && _rl_term_mm)
|
||||
tputs (_rl_term_mm, 1, _rl_output_character_function);
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
_rl_control_keypad (on)
|
||||
int on;
|
||||
{
|
||||
#if !defined (__DJGPP__)
|
||||
if (on && _rl_term_ks)
|
||||
tputs (_rl_term_ks, 1, _rl_output_character_function);
|
||||
else if (!on && _rl_term_ke)
|
||||
tputs (_rl_term_ke, 1, _rl_output_character_function);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Controlling the Cursor */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
/* Set the cursor appropriately depending on IM, which is one of the
|
||||
insert modes (insert or overwrite). Insert mode gets the normal
|
||||
cursor. Overwrite mode gets a very visible cursor. Only does
|
||||
anything if we have both capabilities. */
|
||||
void
|
||||
_rl_set_cursor (im, force)
|
||||
int im, force;
|
||||
{
|
||||
if (_rl_term_ve && _rl_term_vs)
|
||||
{
|
||||
if (force || im != rl_insert_mode)
|
||||
{
|
||||
if (im == RL_IM_OVERWRITE)
|
||||
tputs (_rl_term_vs, 1, _rl_output_character_function);
|
||||
else
|
||||
tputs (_rl_term_ve, 1, _rl_output_character_function);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user