import elf-only -lcurses
. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
This commit is contained in:
Ben Gras
@@ -0,0 +1,682 @@
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/* $NetBSD: tty.c,v 1.42 2010/02/03 15:34:40 roy Exp $ */
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/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)tty.c 8.6 (Berkeley) 1/10/95";
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#else
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__RCSID("$NetBSD: tty.c,v 1.42 2010/02/03 15:34:40 roy Exp $");
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include <stdlib.h>
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#include <termios.h>
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#include <unistd.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include "curses.h"
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#include "curses_private.h"
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/*
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* In general, curses should leave tty hardware settings alone (speed, parity,
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* word size). This is most easily done in BSD by using TCSASOFT on all
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* tcsetattr calls. On other systems, it would be better to get and restore
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* those attributes at each change, or at least when stopped and restarted.
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* See also the comments in getterm().
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*/
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#ifdef TCSASOFT
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int __tcaction = 1; /* Ignore hardware settings. */
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#else
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#define TCSASOFT 0
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int __tcaction = 0;
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#endif
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#ifndef OXTABS
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#ifdef XTABS /* SMI uses XTABS. */
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#define OXTABS XTABS
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#else
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#define OXTABS 0
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#endif
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#endif
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/*
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* baudrate --
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* Return the current baudrate
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*/
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int
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baudrate(void)
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{
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if (_cursesi_screen->notty == TRUE)
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return 0;
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return cfgetospeed(&_cursesi_screen->baset);
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}
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/*
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* gettmode --
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* Do terminal type initialization.
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*/
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int
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gettmode(void)
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{
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if (_cursesi_gettmode(_cursesi_screen) == ERR)
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return ERR;
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__GT = _cursesi_screen->GT;
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__NONL = _cursesi_screen->NONL;
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return OK;
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}
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/*
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* _cursesi_gettmode --
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* Do the terminal type initialisation for the tty attached to the
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* given screen.
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*/
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int
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_cursesi_gettmode(SCREEN *screen)
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{
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screen->useraw = 0;
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if (tcgetattr(fileno(screen->infd), &screen->orig_termios)) {
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/* if the input fd is not a tty try the output */
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if (tcgetattr(fileno(screen->infd), &screen->orig_termios)) {
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/* not a tty ... we will disable tty related stuff */
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screen->notty = TRUE;
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__GT = 0;
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__NONL = 0;
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return (OK);
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}
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}
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screen->baset = screen->orig_termios;
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screen->baset.c_oflag &= ~OXTABS;
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screen->GT = 0; /* historical. was used before we wired OXTABS off */
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screen->NONL = (screen->baset.c_oflag & ONLCR) == 0;
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/*
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* XXX
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* System V and SMI systems overload VMIN and VTIME, such that
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* VMIN is the same as the VEOF element, and VTIME is the same
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* as the VEOL element. This means that, if VEOF was ^D, the
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* default VMIN is 4. Majorly stupid.
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*/
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screen->cbreakt = screen->baset;
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screen->cbreakt.c_lflag &= ~(ECHO | ECHONL | ICANON);
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screen->cbreakt.c_cc[VMIN] = 1;
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screen->cbreakt.c_cc[VTIME] = 0;
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screen->rawt = screen->cbreakt;
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screen->rawt.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | INLCR | IGNCR |
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ICRNL | IXON);
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screen->rawt.c_oflag &= ~OPOST;
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screen->rawt.c_lflag &= ~(ISIG | IEXTEN);
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/*
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* In general, curses should leave hardware-related settings alone.
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* This includes parity and word size. Older versions set the tty
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* to 8 bits, no parity in raw(), but this is considered to be an
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* artifact of the old tty interface. If it's desired to change
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* parity and word size, the TCSASOFT bit has to be removed from the
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* calls that switch to/from "raw" mode.
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*/
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if (!__tcaction) {
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screen->rawt.c_iflag &= ~ISTRIP;
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screen->rawt.c_cflag &= ~(CSIZE | PARENB);
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screen->rawt.c_cflag |= CS8;
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}
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screen->curt = &screen->baset;
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return (tcsetattr(fileno(screen->infd), __tcaction ?
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TCSASOFT | TCSADRAIN : TCSADRAIN, screen->curt) ? ERR : OK);
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}
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/*
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* raw --
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* Put the terminal into raw mode
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*/
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int
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raw(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "raw()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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_cursesi_screen->useraw = __pfast = __rawmode = 1;
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_cursesi_screen->curt = &_cursesi_screen->rawt;
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if (_cursesi_screen->notty == TRUE)
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return OK;
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return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
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TCSASOFT | TCSADRAIN : TCSADRAIN,
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_cursesi_screen->curt) ? ERR : OK);
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}
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/*
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* noraw --
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* Put the terminal into cooked mode
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*/
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int
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noraw(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "noraw()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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_cursesi_screen->useraw = __pfast = __rawmode = 0;
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if (_cursesi_screen->notty == TRUE)
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return OK;
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_cursesi_screen->curt = &_cursesi_screen->baset;
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return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
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TCSASOFT | TCSADRAIN : TCSADRAIN,
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_cursesi_screen->curt) ? ERR : OK);
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}
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/*
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* cbreak --
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* Enable cbreak mode
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*/
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int
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cbreak(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "cbreak()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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__rawmode = 1;
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if (_cursesi_screen->notty == TRUE)
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return OK;
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_cursesi_screen->curt = _cursesi_screen->useraw ?
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&_cursesi_screen->rawt : &_cursesi_screen->cbreakt;
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return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
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TCSASOFT | TCSADRAIN : TCSADRAIN,
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_cursesi_screen->curt) ? ERR : OK);
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}
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/*
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* nocbreak --
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* Disable cbreak mode
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*/
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int
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nocbreak(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "nocbreak()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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__rawmode = 0;
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if (_cursesi_screen->notty == TRUE)
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return OK;
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/* if we were in halfdelay mode then nuke the timeout */
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if ((_cursesi_screen->half_delay == TRUE) &&
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(__notimeout() == ERR))
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return ERR;
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_cursesi_screen->half_delay = FALSE;
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_cursesi_screen->curt = _cursesi_screen->useraw ?
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&_cursesi_screen->rawt : &_cursesi_screen->baset;
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return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
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TCSASOFT | TCSADRAIN : TCSADRAIN,
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_cursesi_screen->curt) ? ERR : OK);
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}
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/*
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* halfdelay --
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* Put the terminal into cbreak mode with the specified timeout.
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*
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*/
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int
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halfdelay(int duration)
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{
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if ((duration < 1) || (duration > 255))
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return ERR;
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if (cbreak() == ERR)
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return ERR;
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if (__timeout(duration) == ERR)
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return ERR;
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_cursesi_screen->half_delay = TRUE;
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return OK;
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}
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int
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__delay(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "__delay()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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if (_cursesi_screen->notty == TRUE)
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return OK;
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_cursesi_screen->rawt.c_cc[VMIN] = 1;
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_cursesi_screen->rawt.c_cc[VTIME] = 0;
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_cursesi_screen->cbreakt.c_cc[VMIN] = 1;
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_cursesi_screen->cbreakt.c_cc[VTIME] = 0;
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_cursesi_screen->baset.c_cc[VMIN] = 1;
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_cursesi_screen->baset.c_cc[VTIME] = 0;
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if (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
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TCSASOFT : TCSANOW, _cursesi_screen->curt)) {
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__restore_termios();
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return ERR;
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}
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return OK;
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}
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int
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__nodelay(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "__nodelay()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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if (_cursesi_screen->notty == TRUE)
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return OK;
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_cursesi_screen->rawt.c_cc[VMIN] = 0;
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_cursesi_screen->rawt.c_cc[VTIME] = 0;
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_cursesi_screen->cbreakt.c_cc[VMIN] = 0;
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_cursesi_screen->cbreakt.c_cc[VTIME] = 0;
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_cursesi_screen->baset.c_cc[VMIN] = 0;
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_cursesi_screen->baset.c_cc[VTIME] = 0;
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if (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
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TCSASOFT : TCSANOW, _cursesi_screen->curt)) {
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__restore_termios();
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return ERR;
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}
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return OK;
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}
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void
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__save_termios(void)
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{
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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if (_cursesi_screen->notty == TRUE)
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return;
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_cursesi_screen->ovmin = _cursesi_screen->cbreakt.c_cc[VMIN];
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_cursesi_screen->ovtime = _cursesi_screen->cbreakt.c_cc[VTIME];
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}
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void
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__restore_termios(void)
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{
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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if (_cursesi_screen->notty == TRUE)
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return;
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_cursesi_screen->rawt.c_cc[VMIN] = _cursesi_screen->ovmin;
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_cursesi_screen->rawt.c_cc[VTIME] = _cursesi_screen->ovtime;
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_cursesi_screen->cbreakt.c_cc[VMIN] = _cursesi_screen->ovmin;
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_cursesi_screen->cbreakt.c_cc[VTIME] = _cursesi_screen->ovtime;
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_cursesi_screen->baset.c_cc[VMIN] = _cursesi_screen->ovmin;
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_cursesi_screen->baset.c_cc[VTIME] = _cursesi_screen->ovtime;
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}
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int
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__timeout(int delay)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "__timeout()\n");
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#endif
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/* Check if we need to restart ... */
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if (_cursesi_screen->endwin)
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__restartwin();
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if (_cursesi_screen->notty == TRUE)
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return OK;
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_cursesi_screen->ovmin = _cursesi_screen->cbreakt.c_cc[VMIN];
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_cursesi_screen->ovtime = _cursesi_screen->cbreakt.c_cc[VTIME];
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_cursesi_screen->rawt.c_cc[VMIN] = 0;
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_cursesi_screen->rawt.c_cc[VTIME] = delay;
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_cursesi_screen->cbreakt.c_cc[VMIN] = 0;
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_cursesi_screen->cbreakt.c_cc[VTIME] = delay;
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_cursesi_screen->baset.c_cc[VMIN] = 0;
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_cursesi_screen->baset.c_cc[VTIME] = delay;
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if (tcsetattr(fileno(_cursesi_screen->infd),
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__tcaction ? TCSASOFT | TCSANOW : TCSANOW,
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_cursesi_screen->curt)) {
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__restore_termios();
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return ERR;
|
||||
}
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return OK;
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||||
}
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int
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__notimeout(void)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_MISC, "__notimeout()\n");
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#endif
|
||||
/* Check if we need to restart ... */
|
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if (_cursesi_screen->endwin)
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__restartwin();
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if (_cursesi_screen->notty == TRUE)
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return OK;
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_cursesi_screen->rawt.c_cc[VMIN] = 1;
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_cursesi_screen->rawt.c_cc[VTIME] = 0;
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_cursesi_screen->cbreakt.c_cc[VMIN] = 1;
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_cursesi_screen->cbreakt.c_cc[VTIME] = 0;
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_cursesi_screen->baset.c_cc[VMIN] = 1;
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_cursesi_screen->baset.c_cc[VTIME] = 0;
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return (tcsetattr(fileno(_cursesi_screen->infd),
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__tcaction ? TCSASOFT | TCSANOW : TCSANOW,
|
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_cursesi_screen->curt) ? ERR : OK);
|
||||
}
|
||||
|
||||
int
|
||||
echo(void)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
__CTRACE(__CTRACE_MISC, "echo()\n");
|
||||
#endif
|
||||
/* Check if we need to restart ... */
|
||||
if (_cursesi_screen->endwin)
|
||||
__restartwin();
|
||||
|
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__echoit = 1;
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return (OK);
|
||||
}
|
||||
|
||||
int
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||||
noecho(void)
|
||||
{
|
||||
#ifdef DEBUG
|
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__CTRACE(__CTRACE_MISC, "noecho()\n");
|
||||
#endif
|
||||
/* Check if we need to restart ... */
|
||||
if (_cursesi_screen->endwin)
|
||||
__restartwin();
|
||||
|
||||
__echoit = 0;
|
||||
return (OK);
|
||||
}
|
||||
|
||||
int
|
||||
nl(void)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
__CTRACE(__CTRACE_MISC, "nl()\n");
|
||||
#endif
|
||||
/* Check if we need to restart ... */
|
||||
if (_cursesi_screen->endwin)
|
||||
__restartwin();
|
||||
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return OK;
|
||||
_cursesi_screen->rawt.c_iflag |= ICRNL;
|
||||
_cursesi_screen->rawt.c_oflag |= ONLCR;
|
||||
_cursesi_screen->cbreakt.c_iflag |= ICRNL;
|
||||
_cursesi_screen->cbreakt.c_oflag |= ONLCR;
|
||||
_cursesi_screen->baset.c_iflag |= ICRNL;
|
||||
_cursesi_screen->baset.c_oflag |= ONLCR;
|
||||
|
||||
_cursesi_screen->nl = 1;
|
||||
_cursesi_screen->pfast = _cursesi_screen->rawmode;
|
||||
return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
|
||||
TCSASOFT | TCSADRAIN : TCSADRAIN,
|
||||
_cursesi_screen->curt) ? ERR : OK);
|
||||
}
|
||||
|
||||
int
|
||||
nonl(void)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
__CTRACE(__CTRACE_MISC, "nonl()\n");
|
||||
#endif
|
||||
/* Check if we need to restart ... */
|
||||
if (_cursesi_screen->endwin)
|
||||
__restartwin();
|
||||
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return OK;
|
||||
_cursesi_screen->rawt.c_iflag &= ~ICRNL;
|
||||
_cursesi_screen->rawt.c_oflag &= ~ONLCR;
|
||||
_cursesi_screen->cbreakt.c_iflag &= ~ICRNL;
|
||||
_cursesi_screen->cbreakt.c_oflag &= ~ONLCR;
|
||||
_cursesi_screen->baset.c_iflag &= ~ICRNL;
|
||||
_cursesi_screen->baset.c_oflag &= ~ONLCR;
|
||||
|
||||
_cursesi_screen->nl = 0;
|
||||
__pfast = 1;
|
||||
return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
|
||||
TCSASOFT | TCSADRAIN : TCSADRAIN,
|
||||
_cursesi_screen->curt) ? ERR : OK);
|
||||
}
|
||||
|
||||
#ifndef _CURSES_USE_MACROS
|
||||
void
|
||||
noqiflush(void)
|
||||
{
|
||||
(void) intrflush(stdscr, FALSE);
|
||||
}
|
||||
|
||||
void
|
||||
qiflush(void)
|
||||
{
|
||||
(void) intrflush(stdscr, TRUE);
|
||||
}
|
||||
#endif /* _CURSES_USE_MACROS */
|
||||
|
||||
int
|
||||
intrflush(WINDOW *win, bool bf) /*ARGSUSED*/
|
||||
{
|
||||
/* Check if we need to restart ... */
|
||||
if (_cursesi_screen->endwin)
|
||||
__restartwin();
|
||||
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return OK;
|
||||
if (bf) {
|
||||
_cursesi_screen->rawt.c_lflag &= ~NOFLSH;
|
||||
_cursesi_screen->cbreakt.c_lflag &= ~NOFLSH;
|
||||
_cursesi_screen->baset.c_lflag &= ~NOFLSH;
|
||||
} else {
|
||||
_cursesi_screen->rawt.c_lflag |= NOFLSH;
|
||||
_cursesi_screen->cbreakt.c_lflag |= NOFLSH;
|
||||
_cursesi_screen->baset.c_lflag |= NOFLSH;
|
||||
}
|
||||
|
||||
__pfast = 1;
|
||||
return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
|
||||
TCSASOFT | TCSADRAIN : TCSADRAIN,
|
||||
_cursesi_screen->curt) ? ERR : OK);
|
||||
}
|
||||
|
||||
void
|
||||
__startwin(SCREEN *screen)
|
||||
{
|
||||
|
||||
(void) fflush(screen->infd);
|
||||
|
||||
/*
|
||||
* Some C libraries default to a 1K buffer when talking to a tty.
|
||||
* With a larger screen, especially across a network, we'd like
|
||||
* to get it to all flush in a single write. Make it twice as big
|
||||
* as just the characters (so that we have room for cursor motions
|
||||
* and attribute information) but no more than 8K.
|
||||
*/
|
||||
if (screen->stdbuf == NULL) {
|
||||
screen->len = LINES * COLS * 2;
|
||||
if (screen->len > 8192)
|
||||
screen->len = 8192;
|
||||
if ((screen->stdbuf = malloc(screen->len)) == NULL)
|
||||
screen->len = 0;
|
||||
}
|
||||
(void) setvbuf(screen->outfd, screen->stdbuf, _IOFBF, screen->len);
|
||||
|
||||
ti_puts(screen->term, t_enter_ca_mode(screen->term), 0,
|
||||
__cputchar_args, (void *) screen->outfd);
|
||||
ti_puts(screen->term, t_cursor_normal(screen->term), 0,
|
||||
__cputchar_args, (void *) screen->outfd);
|
||||
if (screen->curscr->flags & __KEYPAD)
|
||||
ti_puts(screen->term, t_keypad_xmit(screen->term), 0,
|
||||
__cputchar_args, (void *) screen->outfd);
|
||||
screen->endwin = 0;
|
||||
}
|
||||
|
||||
int
|
||||
endwin(void)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
__CTRACE(__CTRACE_MISC, "endwin\n");
|
||||
#endif
|
||||
return __stopwin();
|
||||
}
|
||||
|
||||
bool
|
||||
isendwin(void)
|
||||
{
|
||||
return (_cursesi_screen->endwin ? TRUE : FALSE);
|
||||
}
|
||||
|
||||
int
|
||||
flushinp(void)
|
||||
{
|
||||
(void) fpurge(_cursesi_screen->infd);
|
||||
return (OK);
|
||||
}
|
||||
|
||||
/*
|
||||
* The following routines, savetty and resetty are completely useless and
|
||||
* are left in only as stubs. If people actually use them they will almost
|
||||
* certainly screw up the state of the world.
|
||||
*/
|
||||
/*static struct termios savedtty;*/
|
||||
int
|
||||
savetty(void)
|
||||
{
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return OK;
|
||||
return (tcgetattr(fileno(_cursesi_screen->infd),
|
||||
&_cursesi_screen->savedtty) ? ERR : OK);
|
||||
}
|
||||
|
||||
int
|
||||
resetty(void)
|
||||
{
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return OK;
|
||||
return (tcsetattr(fileno(_cursesi_screen->infd), __tcaction ?
|
||||
TCSASOFT | TCSADRAIN : TCSADRAIN,
|
||||
&_cursesi_screen->savedtty) ? ERR : OK);
|
||||
}
|
||||
|
||||
/*
|
||||
* erasechar --
|
||||
* Return the character of the erase key.
|
||||
*/
|
||||
char
|
||||
erasechar(void)
|
||||
{
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return 0;
|
||||
return _cursesi_screen->baset.c_cc[VERASE];
|
||||
}
|
||||
|
||||
/*
|
||||
* killchar --
|
||||
* Return the character of the kill key.
|
||||
*/
|
||||
char
|
||||
killchar(void)
|
||||
{
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return 0;
|
||||
return _cursesi_screen->baset.c_cc[VKILL];
|
||||
}
|
||||
|
||||
/*
|
||||
* erasewchar --
|
||||
* Return the wide character of the erase key.
|
||||
*/
|
||||
int
|
||||
erasewchar( wchar_t *ch )
|
||||
{
|
||||
#ifndef HAVE_WCHAR
|
||||
return ERR;
|
||||
#else
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return ERR;
|
||||
*ch = _cursesi_screen->baset.c_cc[VERASE];
|
||||
return OK;
|
||||
#endif /* HAVE_WCHAR */
|
||||
}
|
||||
|
||||
/*
|
||||
* killwchar --
|
||||
* Return the wide character of the kill key.
|
||||
*/
|
||||
int
|
||||
killwchar( wchar_t *ch )
|
||||
{
|
||||
#ifndef HAVE_WCHAR
|
||||
return ERR;
|
||||
#else
|
||||
if (_cursesi_screen->notty == TRUE)
|
||||
return 0;
|
||||
*ch = _cursesi_screen->baset.c_cc[VKILL];
|
||||
return OK;
|
||||
#endif /* HAVE_WCHAR */
|
||||
}
|
||||
Reference in New Issue
Block a user