159243Sobrien/* 259243Sobrien * tc.disc.c: Functions to set/clear line disciplines 359243Sobrien * 459243Sobrien */ 559243Sobrien/*- 659243Sobrien * Copyright (c) 1980, 1991 The Regents of the University of California. 759243Sobrien * All rights reserved. 859243Sobrien * 959243Sobrien * Redistribution and use in source and binary forms, with or without 1059243Sobrien * modification, are permitted provided that the following conditions 1159243Sobrien * are met: 1259243Sobrien * 1. Redistributions of source code must retain the above copyright 1359243Sobrien * notice, this list of conditions and the following disclaimer. 1459243Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1559243Sobrien * notice, this list of conditions and the following disclaimer in the 1659243Sobrien * documentation and/or other materials provided with the distribution. 17100616Smp * 3. Neither the name of the University nor the names of its contributors 1859243Sobrien * may be used to endorse or promote products derived from this software 1959243Sobrien * without specific prior written permission. 2059243Sobrien * 2159243Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2259243Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2359243Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2459243Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2559243Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2659243Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2759243Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2859243Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2959243Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3059243Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3159243Sobrien * SUCH DAMAGE. 3259243Sobrien */ 3359243Sobrien#include "sh.h" 3459243Sobrien#ifdef OREO 3559243Sobrien#include <compat.h> 3659243Sobrien#endif /* OREO */ 3759243Sobrien 38100616Smp#include "ed.h" 3959243Sobrien 40145479Smpstatic int add_discipline = 0; /* Did we add a line discipline */ 4159243Sobrien 42231990Smp#if defined(IRIS4D) || defined(OREO) || defined(sonyrisc) || defined(__ANDROID__) 4359243Sobrien# define HAVE_DISC 4459243Sobrien# ifndef POSIX 4559243Sobrienstatic struct termio otermiob; 4659243Sobrien# else 4759243Sobrienstatic struct termios otermiob; 4859243Sobrien# endif /* POSIX */ 4959243Sobrien#endif /* IRIS4D || OREO */ 5059243Sobrien 5159243Sobrien#ifdef _IBMR2 5259243Sobrien# define HAVE_DISC 5359243Sobrienchar strPOSIX[] = "posix"; 5459243Sobrien#endif /* _IBMR2 */ 5559243Sobrien 5659243Sobrien#if !defined(HAVE_DISC) && defined(TIOCGETD) && defined(NTTYDISC) 5759243Sobrienstatic int oldisc; 5859243Sobrien#endif /* !HAVE_DISC && TIOCGETD && NTTYDISC */ 5959243Sobrien 6059243Sobrienint 6159243Sobrien/*ARGSUSED*/ 62167465Smpsetdisc(int f) 6359243Sobrien{ 6459243Sobrien#ifdef IRIS4D 6559243Sobrien# ifndef POSIX 6659243Sobrien struct termio termiob; 6759243Sobrien# else 6859243Sobrien struct termios termiob; 6959243Sobrien# endif 7059243Sobrien 7159243Sobrien if (ioctl(f, TCGETA, (ioctl_t) & termiob) == 0) { 7259243Sobrien otermiob = termiob; 7359243Sobrien#if (SYSVREL < 4) || !defined(IRIS4D) 7459243Sobrien if (termiob.c_line != NTTYDISC || termiob.c_cc[VSWTCH] == 0) { /*}*/ 7559243Sobrien termiob.c_line = NTTYDISC; 7659243Sobrien#else 7759243Sobrien if (termiob.c_cc[VSWTCH] == 0) { 7859243Sobrien#endif 7959243Sobrien termiob.c_cc[VSWTCH] = CSWTCH; 8059243Sobrien if (ioctl(f, TCSETA, (ioctl_t) & termiob) != 0) 8159243Sobrien return (-1); 8259243Sobrien } 8359243Sobrien } 8459243Sobrien else 8559243Sobrien return (-1); 8659243Sobrien add_discipline = 1; 8759243Sobrien return (0); 8859243Sobrien#endif /* IRIS4D */ 8959243Sobrien 9059243Sobrien 9159243Sobrien#ifdef OREO 9259243Sobrien# ifndef POSIX 9359243Sobrien struct termio termiob; 9459243Sobrien# else 9559243Sobrien struct termios termiob; 9659243Sobrien# endif 9759243Sobrien 9859243Sobrien struct ltchars ltcbuf; 9959243Sobrien 10059243Sobrien if (ioctl(f, TCGETA, (ioctl_t) & termiob) == 0) { 10159243Sobrien int comp = getcompat(COMPAT_BSDTTY); 10259243Sobrien otermiob = termiob; 10359243Sobrien if ((comp & COMPAT_BSDTTY) != COMPAT_BSDTTY) { 10459243Sobrien (void) setcompat(comp | COMPAT_BSDTTY); 10559243Sobrien if (ioctl(f, TIOCGLTC, (ioctl_t) & ltcbuf) != 0) 10659243Sobrien xprintf(CGETS(21, 1, "Couldn't get local chars.\n")); 10759243Sobrien else { 10859243Sobrien ltcbuf.t_suspc = CTL_ESC('\032'); /* ^Z */ 10959243Sobrien ltcbuf.t_dsuspc = CTL_ESC('\031'); /* ^Y */ 11059243Sobrien ltcbuf.t_rprntc = CTL_ESC('\022'); /* ^R */ 11159243Sobrien ltcbuf.t_flushc = CTL_ESC('\017'); /* ^O */ 11259243Sobrien ltcbuf.t_werasc = CTL_ESC('\027'); /* ^W */ 11359243Sobrien ltcbuf.t_lnextc = CTL_ESC('\026'); /* ^V */ 11459243Sobrien if (ioctl(f, TIOCSLTC, (ioctl_t) & ltcbuf) != 0) 11559243Sobrien xprintf(CGETS(21, 2, "Couldn't set local chars.\n")); 11659243Sobrien } 11759243Sobrien termiob.c_cc[VSWTCH] = '\0'; 11859243Sobrien if (ioctl(f, TCSETAF, (ioctl_t) & termiob) != 0) 11959243Sobrien return (-1); 12059243Sobrien } 12159243Sobrien } 12259243Sobrien else 12359243Sobrien return (-1); 12459243Sobrien add_discipline = 1; 12559243Sobrien return (0); 12659243Sobrien#endif /* OREO */ 12759243Sobrien 12859243Sobrien 12959243Sobrien#ifdef _IBMR2 13059243Sobrien union txname tx; 13159243Sobrien 13259243Sobrien tx.tx_which = 0; 13359243Sobrien 13459243Sobrien if (ioctl(f, TXGETLD, (ioctl_t) & tx) == 0) { 13559243Sobrien if (strcmp(tx.tx_name, strPOSIX) != 0) 13659243Sobrien if (ioctl(f, TXADDCD, (ioctl_t) strPOSIX) == 0) { 13759243Sobrien add_discipline = 1; 13859243Sobrien return (0); 13959243Sobrien } 14059243Sobrien return (0); 14159243Sobrien } 14259243Sobrien else 14359243Sobrien return (-1); 14459243Sobrien#endif /* _IBMR2 */ 14559243Sobrien 14659243Sobrien#ifndef HAVE_DISC 14759243Sobrien# if defined(TIOCGETD) && defined(NTTYDISC) 14859243Sobrien if (ioctl(f, TIOCGETD, (ioctl_t) & oldisc) == 0) { 14959243Sobrien if (oldisc != NTTYDISC) { 15059243Sobrien int ldisc = NTTYDISC; 15159243Sobrien 15259243Sobrien if (ioctl(f, TIOCSETD, (ioctl_t) & ldisc) != 0) 15359243Sobrien return (-1); 15459243Sobrien add_discipline = 1; 15559243Sobrien } 15659243Sobrien else 15759243Sobrien oldisc = -1; 15859243Sobrien return (0); 15959243Sobrien } 16059243Sobrien else 16159243Sobrien return (-1); 16259243Sobrien# else 163145479Smp USE(f); 16459243Sobrien return (0); 16559243Sobrien# endif /* TIOCGETD && NTTYDISC */ 16659243Sobrien#endif /* !HAVE_DISC */ 16759243Sobrien} /* end setdisc */ 16859243Sobrien 16959243Sobrien 17059243Sobrienint 17159243Sobrien/*ARGSUSED*/ 172167465Smpresetdisc(int f) 17359243Sobrien{ 17459243Sobrien if (add_discipline) { 17559243Sobrien add_discipline = 0; 17659243Sobrien#if defined(OREO) || defined(IRIS4D) 17759243Sobrien return (ioctl(f, TCSETAF, (ioctl_t) & otermiob)); 17859243Sobrien#endif /* OREO || IRIS4D */ 17959243Sobrien 18059243Sobrien#ifdef _IBMR2 18159243Sobrien return (ioctl(f, TXDELCD, (ioctl_t) strPOSIX)); 18259243Sobrien#endif /* _IBMR2 */ 18359243Sobrien 18459243Sobrien#ifndef HAVE_DISC 18559243Sobrien# if defined(TIOCSETD) && defined(NTTYDISC) 18659243Sobrien return (ioctl(f, TIOCSETD, (ioctl_t) & oldisc)); 18759243Sobrien# endif /* TIOCSETD && NTTYDISC */ 18859243Sobrien#endif /* !HAVE_DISC */ 18959243Sobrien } 190145479Smp USE(f); 19159243Sobrien return (0); 19259243Sobrien} /* end resetdisc */ 193