+++ /dev/null
-/* $NetBSD: wwinit.c,v 1.12 1997/11/21 08:37:26 lukem Exp $ */
-
-/*
- * Copyright (c) 1983, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Edward Wang at The University of California, Berkeley.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)wwinit.c 8.2 (Berkeley) 4/28/95";
-#else
-__RCSID("$NetBSD: wwinit.c,v 1.12 1997/11/21 08:37:26 lukem Exp $");
-#endif
-#endif /* not lint */
-
-#include <fcntl.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#ifdef __APPLE__
-#include <curses.h>
-#else
-#include <termcap.h>
-#endif
-#include "ww.h"
-#include "tt.h"
-#include "xx.h"
-#include "char.h"
-
-int
-wwinit()
-{
- int i, j;
- char *kp;
- sigset_t sigset, osigset;
-
- wwdtablesize = 3;
- wwhead.ww_forw = &wwhead;
- wwhead.ww_back = &wwhead;
-
- sigemptyset(&sigset);
- sigaddset(&sigset, SIGCHLD);
- sigaddset(&sigset, SIGALRM);
- sigaddset(&sigset, SIGHUP);
- sigaddset(&sigset, SIGTERM);
- sigprocmask(SIG_BLOCK, &sigset, &osigset);
-
- if (signal(SIGCHLD, wwchild) == BADSIG ||
- signal(SIGHUP, wwquit) == BADSIG ||
- signal(SIGTERM, wwquit) == BADSIG ||
- signal(SIGPIPE, SIG_IGN) == BADSIG) {
- wwerrno = WWE_SYS;
- return -1;
- }
-
- if (wwgettty(0, &wwoldtty) < 0)
- return -1;
- wwwintty = wwoldtty;
-#ifdef OLD_TTY
- wwwintty.ww_sgttyb.sg_flags &= ~XTABS;
- wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb;
- wwnewtty.ww_sgttyb.sg_erase = -1;
- wwnewtty.ww_sgttyb.sg_kill = -1;
- wwnewtty.ww_sgttyb.sg_flags |= CBREAK;
- wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD);
- wwnewtty.ww_tchars.t_intrc = -1;
- wwnewtty.ww_tchars.t_quitc = -1;
- wwnewtty.ww_tchars.t_startc = -1;
- wwnewtty.ww_tchars.t_stopc = -1;
- wwnewtty.ww_tchars.t_eofc = -1;
- wwnewtty.ww_tchars.t_brkc = -1;
- wwnewtty.ww_ltchars.t_suspc = -1;
- wwnewtty.ww_ltchars.t_dsuspc = -1;
- wwnewtty.ww_ltchars.t_rprntc = -1;
- wwnewtty.ww_ltchars.t_flushc = -1;
- wwnewtty.ww_ltchars.t_werasc = -1;
- wwnewtty.ww_ltchars.t_lnextc = -1;
- wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT;
- wwnewtty.ww_ldisc = wwoldtty.ww_ldisc;
-#else
-#ifndef OXTABS
-#define OXTABS XTABS
-#endif
-#ifndef _POSIX_VDISABLE
-#define _POSIX_VDISABLE -1
-#endif
- wwwintty.ww_termios.c_oflag &= ~OXTABS;
- wwnewtty.ww_termios = wwoldtty.ww_termios;
- wwnewtty.ww_termios.c_iflag &=
- ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXOFF | IMAXBEL);
- wwnewtty.ww_termios.c_oflag = 0;
- wwnewtty.ww_termios.c_cflag &= ~(CSIZE | PARENB);
- wwnewtty.ww_termios.c_cflag |= CS8;
- wwnewtty.ww_termios.c_lflag = 0;
- for (i = 0; i < NCCS; i++)
- wwnewtty.ww_termios.c_cc[i] = _POSIX_VDISABLE;
- wwnewtty.ww_termios.c_cc[VMIN] = 1;
- wwnewtty.ww_termios.c_cc[VTIME] = 0;
-#endif
- if (wwsettty(0, &wwnewtty) < 0)
- goto bad;
-
- if ((wwterm = getenv("TERM")) == 0) {
- wwerrno = WWE_BADTERM;
- goto bad;
- }
- if (tgetent(wwtermcap, wwterm) != 1) {
- wwerrno = WWE_BADTERM;
- goto bad;
- }
-#ifdef OLD_TTY
- wwospeed = wwoldtty.ww_sgttyb.sg_ospeed;
-#else
- wwospeed = cfgetospeed(&wwoldtty.ww_termios);
- wwbaud = wwospeed;
-#endif
- switch (wwospeed) {
- default:
- case B0:
- wwbaud = 0;
- break;
- case B50:
- wwbaud = 50;
- break;
- case B75:
- wwbaud = 75;
- break;
- case B110:
- wwbaud = 110;
- break;
- case B134:
- wwbaud = 134;
- break;
- case B150:
- wwbaud = 150;
- break;
- case B200:
- wwbaud = 200;
- break;
- case B300:
- wwbaud = 300;
- break;
- case B600:
- wwbaud = 600;
- break;
- case B1200:
- wwbaud = 1200;
- break;
- case B1800:
- wwbaud = 1800;
- break;
- case B2400:
- wwbaud = 2400;
- break;
- case B4800:
- wwbaud = 4800;
- break;
- case B9600:
- wwbaud = 9600;
- break;
-#ifdef B19200
- case B19200:
-#else
- case EXTA:
-#endif
- wwbaud = 19200;
- break;
-#ifdef B38400
- case B38400:
-#else
- case EXTB:
-#endif
- wwbaud = 38400;
- break;
-#ifdef B57600
- case B57600:
- wwbaud= 57600;
- break;
-#endif
-#ifdef B115200
- case B115200:
- wwbaud = 115200;
- break;
-#endif
- }
-
- if (xxinit() < 0)
- goto bad;
- wwnrow = tt.tt_nrow;
- wwncol = tt.tt_ncol;
- wwavailmodes = tt.tt_availmodes;
- wwwrap = tt.tt_wrap;
-
- if (wwavailmodes & WWM_REV)
- wwcursormodes = WWM_REV | (wwavailmodes & WWM_BLK);
- else if (wwavailmodes & WWM_UL)
- wwcursormodes = WWM_UL;
-
- if ((wwib = malloc((unsigned) 512)) == 0)
- goto bad;
- wwibe = wwib + 512;
- wwibq = wwibp = wwib;
-
- wwsmap = (unsigned char **)
- wwalloc(0, 0, wwnrow, wwncol, sizeof (unsigned char));
- if (wwsmap == 0)
- goto bad;
- for (i = 0; i < wwnrow; i++)
- for (j = 0; j < wwncol; j++)
- wwsmap[i][j] = WWX_NOBODY;
-
- wwos = (union ww_char **)
- wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char));
- if (wwos == 0)
- goto bad;
- /* wwos is cleared in wwstart1() */
- wwns = (union ww_char **)
- wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char));
- if (wwns == 0)
- goto bad;
- for (i = 0; i < wwnrow; i++)
- for (j = 0; j < wwncol; j++)
- wwns[i][j].c_w = ' ';
- if (tt.tt_checkpoint) {
- /* wwcs is also cleared in wwstart1() */
- wwcs = (union ww_char **)
- wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char));
- if (wwcs == 0)
- goto bad;
- }
-
- wwtouched = malloc((unsigned) wwnrow);
- if (wwtouched == 0) {
- wwerrno = WWE_NOMEM;
- goto bad;
- }
- for (i = 0; i < wwnrow; i++)
- wwtouched[i] = 0;
-
- wwupd = (struct ww_update *) malloc((unsigned) wwnrow * sizeof *wwupd);
- if (wwupd == 0) {
- wwerrno = WWE_NOMEM;
- goto bad;
- }
-
- wwindex[WWX_NOBODY] = &wwnobody;
- wwnobody.ww_order = NWW;
-
- kp = wwwintermcap;
- if (wwavailmodes & WWM_REV)
- wwaddcap1(WWT_REV, &kp);
- if (wwavailmodes & WWM_BLK)
- wwaddcap1(WWT_BLK, &kp);
- if (wwavailmodes & WWM_UL)
- wwaddcap1(WWT_UL, &kp);
- if (wwavailmodes & WWM_GRP)
- wwaddcap1(WWT_GRP, &kp);
- if (wwavailmodes & WWM_DIM)
- wwaddcap1(WWT_DIM, &kp);
- if (wwavailmodes & WWM_USR)
- wwaddcap1(WWT_USR, &kp);
- if ((tt.tt_insline && tt.tt_delline) || tt.tt_setscroll)
- wwaddcap1(WWT_ALDL, &kp);
- if (tt.tt_inschar)
- wwaddcap1(WWT_IMEI, &kp);
- if (tt.tt_insspace)
- wwaddcap1(WWT_IC, &kp);
- if (tt.tt_delchar)
- wwaddcap1(WWT_DC, &kp);
- wwaddcap("kb", &kp);
- wwaddcap("ku", &kp);
- wwaddcap("kd", &kp);
- wwaddcap("kl", &kp);
- wwaddcap("kr", &kp);
- wwaddcap("kh", &kp);
- if ((j = tgetnum("kn")) >= 0) {
- char cap[32];
-
- (void) sprintf(kp, "kn#%d:", j);
- for (; *kp; kp++)
- ;
- for (i = 1; i <= j; i++) {
- (void) sprintf(cap, "k%d", i);
- wwaddcap(cap, &kp);
- cap[0] = 'l';
- wwaddcap(cap, &kp);
- }
- }
- /*
- * It's ok to do this here even if setenv() is destructive
- * since tt_init() has already made its own copy of it and
- * wwterm now points to the copy.
- */
- (void) setenv("TERM", WWT_TERM, 1);
-#ifdef TERMINFO
- if (wwterminfoinit() < 0)
- goto bad;
-#endif
-
- if (tt.tt_checkpoint)
- if (signal(SIGALRM, wwalarm) == BADSIG) {
- wwerrno = WWE_SYS;
- goto bad;
- }
- wwstart1();
-
- sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
- return 0;
-
-bad:
- /*
- * Don't bother to free storage. We're supposed
- * to exit when wwinit fails anyway.
- */
- (void) wwsettty(0, &wwoldtty);
-
- sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
- return -1;
-}
-
-void
-wwaddcap(cap, kp)
- char *cap;
- char **kp;
-{
- char tbuf[512];
- char *tp = tbuf;
- char *str, *p;
-
- if ((str = tgetstr(cap, &tp)) != 0) {
- while ((*(*kp)++ = *cap++))
- ;
- (*kp)[-1] = '=';
- while (*str) {
- for (p = unctrl(*str++); (*(*kp)++ = *p++);)
- ;
- (*kp)--;
- }
- *(*kp)++ = ':';
- **kp = 0;
- }
-}
-
-void
-wwaddcap1(cap, kp)
- char *cap;
- char **kp;
-{
- while ((*(*kp)++ = *cap++))
- ;
- (*kp)--;
-}
-
-void
-wwstart()
-{
- int i;
-
- (void) wwsettty(0, &wwnewtty);
- for (i = 0; i < wwnrow; i++)
- wwtouched[i] = WWU_TOUCHED;
- wwstart1();
-}
-
-void
-wwstart1()
-{
- int i, j;
-
- for (i = 0; i < wwnrow; i++)
- for (j = 0; j < wwncol; j++) {
- wwos[i][j].c_w = ' ';
- if (tt.tt_checkpoint)
- wwcs[i][j].c_w = ' ';
- }
- xxstart();
- if (tt.tt_checkpoint)
- wwdocheckpoint = 1;
-}
-
-/*
- * Reset data structures and terminal from an unknown state.
- * Restoring wwos has been taken care of elsewhere.
- */
-void
-wwreset()
-{
- int i;
-
- xxreset();
- for (i = 0; i < wwnrow; i++)
- wwtouched[i] = WWU_TOUCHED;
-}
projects / apple / shell_cmds.git / blobdiff