2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Edward Wang at The University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)wwinit.c 8.1 (Berkeley) 6/6/93
37 * $FreeBSD: src/usr.bin/window/wwinit.c,v 1.11.2.1 2001/05/17 09:45:01 obrien Exp $
38 * $DragonFly: src/usr.bin/window/wwinit.c,v 1.3 2006/01/12 13:43:11 corecode Exp $
54 wwdtablesize = getdtablesize();
55 wwhead.ww_forw = &wwhead;
56 wwhead.ww_back = &wwhead;
58 s = sigblock(sigmask(SIGIO) | sigmask(SIGCHLD) | sigmask(SIGALRM) |
59 sigmask(SIGHUP) | sigmask(SIGTERM));
60 if (signal(SIGIO, wwrint) == BADSIG ||
61 signal(SIGCHLD, wwchild) == BADSIG ||
62 signal(SIGHUP, wwquit) == BADSIG ||
63 signal(SIGTERM, wwquit) == BADSIG ||
64 signal(SIGPIPE, SIG_IGN) == BADSIG) {
69 if (wwgettty(0, &wwoldtty) < 0)
73 wwwintty.ww_sgttyb.sg_flags &= ~XTABS;
74 wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb;
75 wwnewtty.ww_sgttyb.sg_erase = -1;
76 wwnewtty.ww_sgttyb.sg_kill = -1;
77 wwnewtty.ww_sgttyb.sg_flags |= CBREAK;
78 wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD);
79 wwnewtty.ww_tchars.t_intrc = -1;
80 wwnewtty.ww_tchars.t_quitc = -1;
81 wwnewtty.ww_tchars.t_startc = -1;
82 wwnewtty.ww_tchars.t_stopc = -1;
83 wwnewtty.ww_tchars.t_eofc = -1;
84 wwnewtty.ww_tchars.t_brkc = -1;
85 wwnewtty.ww_ltchars.t_suspc = -1;
86 wwnewtty.ww_ltchars.t_dsuspc = -1;
87 wwnewtty.ww_ltchars.t_rprntc = -1;
88 wwnewtty.ww_ltchars.t_flushc = -1;
89 wwnewtty.ww_ltchars.t_werasc = -1;
90 wwnewtty.ww_ltchars.t_lnextc = -1;
91 wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT;
92 wwnewtty.ww_ldisc = wwoldtty.ww_ldisc;
97 #ifndef _POSIX_VDISABLE
98 #define _POSIX_VDISABLE -1
100 wwwintty.ww_termios.c_oflag &= ~OXTABS;
101 wwnewtty.ww_termios = wwoldtty.ww_termios;
102 wwnewtty.ww_termios.c_iflag &=
103 ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXOFF | IMAXBEL);
104 wwnewtty.ww_termios.c_oflag = 0;
105 wwnewtty.ww_termios.c_cflag &= ~(CSIZE | PARENB);
106 wwnewtty.ww_termios.c_cflag |= CS8;
107 wwnewtty.ww_termios.c_lflag = 0;
108 for (i = 0; i < NCCS; i++)
109 wwnewtty.ww_termios.c_cc[i] = _POSIX_VDISABLE;
110 wwnewtty.ww_termios.c_cc[VMIN] = 0;
111 wwnewtty.ww_termios.c_cc[VTIME] = 0;
113 wwnewtty.ww_fflags = wwoldtty.ww_fflags | FASYNC;
114 if (wwsettty(0, &wwnewtty) < 0)
117 if ((wwterm = getenv("TERM")) == 0) {
118 wwerrno = WWE_BADTERM;
121 if (tgetent(wwtermcap, wwterm) != 1) {
122 wwerrno = WWE_BADTERM;
126 ospeed = wwoldtty.ww_sgttyb.sg_ospeed;
196 if ((wwbaud = cfgetospeed(&wwoldtty.ww_termios)) == B0)
205 wwavailmodes = tt.tt_availmodes;
208 if (wwavailmodes & WWM_REV)
209 wwcursormodes = WWM_REV | wwavailmodes & WWM_BLK;
210 else if (wwavailmodes & WWM_UL)
211 wwcursormodes = WWM_UL;
213 if ((wwib = malloc((unsigned) 512)) == 0)
216 wwibq = wwibp = wwib;
218 if ((wwsmap = wwalloc(0, 0, wwnrow, wwncol, sizeof (char))) == 0)
220 for (i = 0; i < wwnrow; i++)
221 for (j = 0; j < wwncol; j++)
222 wwsmap[i][j] = WWX_NOBODY;
224 wwos = (union ww_char **)
225 wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char));
228 /* wwos is cleared in wwstart1() */
229 wwns = (union ww_char **)
230 wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char));
233 for (i = 0; i < wwnrow; i++)
234 for (j = 0; j < wwncol; j++)
235 wwns[i][j].c_w = ' ';
236 if (tt.tt_checkpoint) {
237 /* wwcs is also cleared in wwstart1() */
238 wwcs = (union ww_char **)
239 wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char));
244 wwtouched = malloc((unsigned) wwnrow);
245 if (wwtouched == 0) {
249 for (i = 0; i < wwnrow; i++)
252 wwupd = (struct ww_update *) malloc((unsigned) wwnrow * sizeof *wwupd);
258 wwindex[WWX_NOBODY] = &wwnobody;
259 wwnobody.ww_order = NWW;
262 if (wwavailmodes & WWM_REV)
263 wwaddcap1(WWT_REV, &kp);
264 if (wwavailmodes & WWM_BLK)
265 wwaddcap1(WWT_BLK, &kp);
266 if (wwavailmodes & WWM_UL)
267 wwaddcap1(WWT_UL, &kp);
268 if (wwavailmodes & WWM_GRP)
269 wwaddcap1(WWT_GRP, &kp);
270 if (wwavailmodes & WWM_DIM)
271 wwaddcap1(WWT_DIM, &kp);
272 if (wwavailmodes & WWM_USR)
273 wwaddcap1(WWT_USR, &kp);
274 if (tt.tt_insline && tt.tt_delline || tt.tt_setscroll)
275 wwaddcap1(WWT_ALDL, &kp);
277 wwaddcap1(WWT_IMEI, &kp);
279 wwaddcap1(WWT_IC, &kp);
281 wwaddcap1(WWT_DC, &kp);
283 wwaddcap2("ku", &kp);
284 wwaddcap2("kd", &kp);
285 wwaddcap2("kl", &kp);
286 wwaddcap2("kr", &kp);
288 if ((j = tgetnum("kn")) >= 0) {
291 (void) sprintf(kp, "kn#%d:", j);
294 for (i = 1; i <= j; i++) {
295 (void) sprintf(cap, "k%d", i);
302 * It's ok to do this here even if setenv() is destructive
303 * since tt_init() has already made its own copy of it and
304 * wwterm now points to the copy.
306 if (setenv("TERM", WWT_TERM, 1) == -1)
307 err(1, "setenv: cannot set TERM=%s", WWT_TERM);
309 if (wwterminfoinit() < 0)
313 if (tt.tt_checkpoint)
314 if (signal(SIGALRM, wwalarm) == BADSIG) {
318 fcntl(0, F_SETOWN, getpid());
319 /* catch typeahead before ASYNC was set */
320 (void) kill(getpid(), SIGIO);
322 (void) sigsetmask(s);
326 * Don't bother to free storage. We're supposed
327 * to exit when wwinit fails anyway.
329 (void) signal(SIGIO, SIG_DFL);
330 (void) wwsettty(0, &wwoldtty);
331 (void) sigsetmask(s);
341 register char *str, *p;
343 if ((str = tgetstr(cap, &tp)) != 0) {
344 while (*(*kp)++ = *cap++)
348 for (p = unctrl(*str++); *(*kp)++ = *p++;)
361 while (*(*kp)++ = *cap++)
372 register char *str, *p;
374 if ((str = tgetstr(cap, &tp)) != 0) {
375 /* we don't support vt100's application key mode, remap */
376 if (str[0] == ctrl('[') && str[1] == 'O')
378 while (*(*kp)++ = *cap++)
382 for (p = unctrl(*str++); *(*kp)++ = *p++;)
395 (void) wwsettty(0, &wwnewtty);
396 signal(SIGIO, wwrint);
397 for (i = 0; i < wwnrow; i++)
398 wwtouched[i] = WWU_TOUCHED;
406 for (i = 0; i < wwnrow; i++)
407 for (j = 0; j < wwncol; j++) {
408 wwos[i][j].c_w = ' ';
409 if (tt.tt_checkpoint)
410 wwcs[i][j].c_w = ' ';
413 if (tt.tt_checkpoint)
418 * Reset data structures and terminal from an unknown state.
419 * Restoring wwos has been taken care of elsewhere.
426 for (i = 0; i < wwnrow; i++)
427 wwtouched[i] = WWU_TOUCHED;