mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-07-09 21:20:50 +02:00
commit bash-20120907 snapshot
This commit is contained in:
Chet Ramey
@@ -2180,7 +2180,9 @@ rl_username_completion_function (text, state)
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username = savestring (&text[first_char_loc]);
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namelen = strlen (username);
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#if defined (HAVE_GETPWENT)
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setpwent ();
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#endif
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}
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#if defined (HAVE_GETPWENT)
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File diff suppressed because it is too large
Load Diff
@@ -2251,6 +2251,12 @@ rl_message (va_alist)
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rl_save_prompt ();
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msg_saved_prompt = 1;
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}
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else if (local_prompt != saved_local_prompt)
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{
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FREE (local_prompt);
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FREE (local_prompt_prefix);
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local_prompt = (char *)NULL;
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}
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rl_display_prompt = msg_buf;
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local_prompt = expand_prompt (msg_buf, &prompt_visible_length,
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&prompt_last_invisible,
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@@ -2279,6 +2285,12 @@ rl_message (format, arg1, arg2)
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rl_save_prompt ();
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msg_saved_prompt = 1;
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}
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else if (local_prompt != saved_local_prompt)
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{
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FREE (local_prompt);
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FREE (local_prompt_prefix);
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local_prompt = (char *)NULL;
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}
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local_prompt = expand_prompt (msg_buf, &prompt_visible_length,
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&prompt_last_invisible,
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&prompt_invis_chars_first_line,
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,76 @@
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# This makefile for Readline library documentation is in -*- text -*- mode.
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# Emacs likes it that way.
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RM = rm -f
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MAKEINFO = makeinfo
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TEXI2DVI = texi2dvi
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TEXI2HTML = texi2html
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QUIETPS = #set this to -q to shut up dvips
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DVIPS = dvips -D 300 $(QUIETPS) -o $@ # tricky
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INSTALL_DATA = cp
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infodir = /usr/local/info
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RLSRC = rlman.texinfo rluser.texinfo rltech.texinfo
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HISTSRC = hist.texinfo hsuser.texinfo hstech.texinfo
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DVIOBJ = readline.dvi history.dvi
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INFOOBJ = readline.info history.info
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PSOBJ = readline.ps history.ps
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HTMLOBJ = readline.html history.html
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all: info dvi html ps
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nodvi: info html
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readline.dvi: $(RLSRC)
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$(TEXI2DVI) rlman.texinfo
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mv rlman.dvi readline.dvi
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readline.info: $(RLSRC)
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$(MAKEINFO) --no-split -o $@ rlman.texinfo
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history.dvi: ${HISTSRC}
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$(TEXI2DVI) hist.texinfo
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mv hist.dvi history.dvi
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history.info: ${HISTSRC}
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$(MAKEINFO) --no-split -o $@ hist.texinfo
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readline.ps: readline.dvi
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$(RM) $@
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$(DVIPS) readline.dvi
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history.ps: history.dvi
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$(RM) $@
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$(DVIPS) history.dvi
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readline.html: ${RLSRC}
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$(TEXI2HTML) rlman.texinfo
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sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman.html > readline.html
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sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman_toc.html > readline_toc.html
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$(RM) rlman.html rlman_toc.html
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history.html: ${HISTSRC}
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$(TEXI2HTML) hist.texinfo
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sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist.html > history.html
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sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist_toc.html > history_toc.html
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$(RM) hist.html hist_toc.html
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info: $(INFOOBJ)
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dvi: $(DVIOBJ)
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ps: $(PSOBJ)
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html: $(HTMLOBJ)
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clean:
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$(RM) *.aux *.cp *.fn *.ky *.log *.pg *.toc *.tp *.vr *.cps *.pgs \
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*.fns *.kys *.tps *.vrs *.o core
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distclean: clean
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mostlyclean: clean
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maintainer-clean: clean
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$(RM) *.dvi *.info *.info-* *.ps *.html
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install: info
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${INSTALL_DATA} readline.info $(infodir)/readline.info
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${INSTALL_DATA} history.info $(infodir)/history.info
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@@ -45,6 +45,9 @@
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#define RL_SIG_RECEIVED() (_rl_caught_signal != 0)
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#define RL_SIGINT_RECEIVED() (_rl_caught_signal == SIGINT)
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#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
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#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
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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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@@ -0,0 +1,532 @@
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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) 1999-2012 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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||||
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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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||||
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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
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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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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#define RL_SIG_RECEIVED() (_rl_caught_signal != 0)
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#define RL_SIGINT_RECEIVED() (_rl_caught_signal == SIGINT)
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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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||||
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int history_pos;
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int direction;
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int prevc;
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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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char pmb[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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typedef void _rl_sigcleanup_func_t PARAMS((int, void *));
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|
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/*************************************************************************
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||||
* *
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||||
* Global functions undocumented in texinfo manual and not in readline.h *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Global variables undocumented in texinfo manual and not in readline.h *
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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 */
|
||||
#if defined (COLOR_SUPPORT)
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extern int _rl_colored_stats;
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||||
#endif
|
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|
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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_byte_oriented;
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|
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/* display.c */
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extern int rl_display_fixed;
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|
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/* parens.c */
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extern int rl_blink_matching_paren;
|
||||
|
||||
/*************************************************************************
|
||||
* *
|
||||
* Global functions and variables unused and undocumented *
|
||||
* *
|
||||
*************************************************************************/
|
||||
|
||||
/* kill.c */
|
||||
extern int rl_set_retained_kills PARAMS((int));
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||||
|
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/* terminal.c */
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||||
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 */
|
||||
extern char *_rl_untranslate_macro_value PARAMS((char *, int));
|
||||
|
||||
/* 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_reset_prompt PARAMS((void));
|
||||
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 int _rl_prev_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 void _rl_sigwinch_resize_terminal PARAMS((void));
|
||||
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_disable_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 *));
|
||||
extern void _rl_free_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 void _rl_audit_tty PARAMS((char *));
|
||||
|
||||
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;
|
||||
|
||||
/* nls.c */
|
||||
extern int _rl_utf8locale;
|
||||
|
||||
/* 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 int _rl_show_mode_in_prompt;
|
||||
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;
|
||||
extern int _rl_keyseq_timeout;
|
||||
|
||||
extern int _rl_executing_keyseq_size;
|
||||
|
||||
/* search.c */
|
||||
extern _rl_search_cxt *_rl_nscxt;
|
||||
|
||||
/* signals.c */
|
||||
extern int _rl_interrupt_immediately;
|
||||
extern int volatile _rl_caught_signal;
|
||||
|
||||
extern _rl_sigcleanup_func_t *_rl_sigcleanup;
|
||||
extern void *_rl_sigcleanarg;
|
||||
|
||||
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_ */
|
||||
@@ -81,9 +81,6 @@ static void _win_get_screensize PARAMS((int *, int *));
|
||||
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. */
|
||||
|
||||
@@ -0,0 +1,792 @@
|
||||
/* 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 */
|
||||
|
||||
#ifdef __MSDOS__
|
||||
# include <pc.h>
|
||||
#endif
|
||||
|
||||
#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 */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
#ifndef __MSDOS__
|
||||
static char *term_buffer = (char *)NULL;
|
||||
static char *term_string_buffer = (char *)NULL;
|
||||
#endif
|
||||
|
||||
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)
|
||||
_rl_screenwidth = ScreenCols ();
|
||||
#else
|
||||
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)
|
||||
_rl_screenheight = ScreenRows ();
|
||||
#else
|
||||
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";
|
||||
|
||||
#ifdef __MSDOS__
|
||||
_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_mm = _rl_term_mo = (char *)NULL;
|
||||
_rl_terminal_can_insert = term_has_meta = _rl_term_autowrap = 0;
|
||||
_rl_term_cr = "\r";
|
||||
_rl_term_clreol = _rl_term_clrpag = _rl_term_backspace = (char *)NULL;
|
||||
_rl_term_goto = _rl_term_pc = _rl_term_ip = (char *)NULL;
|
||||
_rl_term_ks = _rl_term_ke =_rl_term_vs = _rl_term_ve = (char *)NULL;
|
||||
_rl_term_kh = _rl_term_kH = _rl_term_at7 = _rl_term_kI = (char *)NULL;
|
||||
#if defined(HACK_TERMCAP_MOTION)
|
||||
_rl_term_forward_char = (char *)NULL;
|
||||
#endif
|
||||
|
||||
_rl_get_screen_size (tty, 0);
|
||||
#else /* !__MSDOS__ */
|
||||
/* 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;
|
||||
#endif /* !__MSDOS__ */
|
||||
|
||||
/* 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;
|
||||
|
||||
#ifndef __MSDOS__
|
||||
if (_rl_term_backspace)
|
||||
for (i = 0; i < count; i++)
|
||||
tputs (_rl_term_backspace, 1, _rl_output_character_function);
|
||||
else
|
||||
#endif
|
||||
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)
|
||||
{
|
||||
#ifdef __DJGPP__
|
||||
ScreenVisualBell ();
|
||||
#else
|
||||
tputs (_rl_visible_bell, 1, _rl_output_character_function);
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
/* FALLTHROUGH */
|
||||
case AUDIBLE_BELL:
|
||||
fprintf (stderr, "\007");
|
||||
fflush (stderr);
|
||||
break;
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/* **************************************************************** */
|
||||
/* */
|
||||
/* Controlling the Meta Key and Keypad */
|
||||
/* */
|
||||
/* **************************************************************** */
|
||||
|
||||
static int enabled_meta = 0; /* flag indicating we enabled meta mode */
|
||||
|
||||
void
|
||||
_rl_enable_meta_key ()
|
||||
{
|
||||
#if !defined (__DJGPP__)
|
||||
if (term_has_meta && _rl_term_mm)
|
||||
{
|
||||
tputs (_rl_term_mm, 1, _rl_output_character_function);
|
||||
enabled_meta = 1;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
_rl_disable_meta_key ()
|
||||
{
|
||||
#if !defined (__DJGPP__)
|
||||
if (term_has_meta && _rl_term_mo && enabled_meta)
|
||||
{
|
||||
tputs (_rl_term_mo, 1, _rl_output_character_function);
|
||||
enabled_meta = 0;
|
||||
}
|
||||
#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;
|
||||
{
|
||||
#ifndef __MSDOS__
|
||||
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);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
Reference in New Issue
Block a user