mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
554eb505f8
of the x11 based games. I'm not going to tag the originals with bsd_44_lite and do this in two stages since it's just not worth it for this collection, and I've got directory renames to deal with that way. Bleah. Submitted by: jkh
339 lines
8.1 KiB
C
339 lines
8.1 KiB
C
/*-
|
|
* Copyright (c) 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)hack.tty.c 8.1 (Berkeley) 5/31/93";
|
|
#endif /* not lint */
|
|
|
|
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
|
|
/* hack.tty.c - version 1.0.3 */
|
|
/* With thanks to the people who sent code for SYSV - hpscdi!jon,
|
|
arnold@ucsf-cgl, wcs@bo95b, cbcephus!pds and others. */
|
|
|
|
#include "hack.h"
|
|
#include <stdio.h>
|
|
|
|
/*
|
|
* The distinctions here are not BSD - rest but rather USG - rest, as
|
|
* BSD still has the old sgttyb structure, but SYSV has termio. Thus:
|
|
*/
|
|
#ifdef BSD
|
|
#define V7
|
|
#else
|
|
#define USG
|
|
#endif BSD
|
|
|
|
/*
|
|
* Some systems may have getchar() return EOF for various reasons, and
|
|
* we should not quit before seeing at least NR_OF_EOFS consecutive EOFs.
|
|
*/
|
|
#ifndef BSD
|
|
#define NR_OF_EOFS 20
|
|
#endif BSD
|
|
|
|
|
|
#ifdef USG
|
|
|
|
#include <termio.h>
|
|
#define termstruct termio
|
|
#define kill_sym c_cc[VKILL]
|
|
#define erase_sym c_cc[VERASE]
|
|
#define EXTABS TAB3
|
|
#define tabflgs c_oflag
|
|
#define echoflgs c_lflag
|
|
#define cbrkflgs c_lflag
|
|
#define CBRKMASK ICANON
|
|
#define CBRKON ! /* reverse condition */
|
|
#define OSPEED(x) ((x).c_cflag & CBAUD)
|
|
#define GTTY(x) (ioctl(0, TCGETA, x))
|
|
#define STTY(x) (ioctl(0, TCSETA, x)) /* TCSETAF? TCSETAW? */
|
|
|
|
#else /* V7 */
|
|
|
|
#include <sgtty.h>
|
|
#define termstruct sgttyb
|
|
#define kill_sym sg_kill
|
|
#define erase_sym sg_erase
|
|
#define EXTABS XTABS
|
|
#define tabflgs sg_flags
|
|
#define echoflgs sg_flags
|
|
#define cbrkflgs sg_flags
|
|
#define CBRKMASK CBREAK
|
|
#define CBRKON /* empty */
|
|
#define OSPEED(x) (x).sg_ospeed
|
|
#define GTTY(x) (gtty(0, x))
|
|
#define STTY(x) (stty(0, x))
|
|
|
|
#endif USG
|
|
|
|
extern short ospeed;
|
|
static char erase_char, kill_char;
|
|
static boolean settty_needed = FALSE;
|
|
struct termstruct inittyb, curttyb;
|
|
|
|
/*
|
|
* Get initial state of terminal, set ospeed (for termcap routines)
|
|
* and switch off tab expansion if necessary.
|
|
* Called by startup() in termcap.c and after returning from ! or ^Z
|
|
*/
|
|
gettty(){
|
|
if(GTTY(&inittyb) < 0)
|
|
perror("Hack (gettty)");
|
|
curttyb = inittyb;
|
|
ospeed = OSPEED(inittyb);
|
|
erase_char = inittyb.erase_sym;
|
|
kill_char = inittyb.kill_sym;
|
|
getioctls();
|
|
|
|
/* do not expand tabs - they might be needed inside a cm sequence */
|
|
if(curttyb.tabflgs & EXTABS) {
|
|
curttyb.tabflgs &= ~EXTABS;
|
|
setctty();
|
|
}
|
|
settty_needed = TRUE;
|
|
}
|
|
|
|
/* reset terminal to original state */
|
|
settty(s) char *s; {
|
|
clear_screen();
|
|
end_screen();
|
|
if(s) printf(s);
|
|
(void) fflush(stdout);
|
|
if(STTY(&inittyb) < 0)
|
|
perror("Hack (settty)");
|
|
flags.echo = (inittyb.echoflgs & ECHO) ? ON : OFF;
|
|
flags.cbreak = (CBRKON(inittyb.cbrkflgs & CBRKMASK)) ? ON : OFF;
|
|
setioctls();
|
|
}
|
|
|
|
setctty(){
|
|
if(STTY(&curttyb) < 0)
|
|
perror("Hack (setctty)");
|
|
}
|
|
|
|
|
|
setftty(){
|
|
register int ef = 0; /* desired value of flags & ECHO */
|
|
register int cf = CBRKON(CBRKMASK); /* desired value of flags & CBREAK */
|
|
register int change = 0;
|
|
flags.cbreak = ON;
|
|
flags.echo = OFF;
|
|
/* Should use (ECHO|CRMOD) here instead of ECHO */
|
|
if((curttyb.echoflgs & ECHO) != ef){
|
|
curttyb.echoflgs &= ~ECHO;
|
|
/* curttyb.echoflgs |= ef; */
|
|
change++;
|
|
}
|
|
if((curttyb.cbrkflgs & CBRKMASK) != cf){
|
|
curttyb.cbrkflgs &= ~CBRKMASK;
|
|
curttyb.cbrkflgs |= cf;
|
|
#ifdef USG
|
|
/* be satisfied with one character; no timeout */
|
|
curttyb.c_cc[VMIN] = 1; /* was VEOF */
|
|
curttyb.c_cc[VTIME] = 0; /* was VEOL */
|
|
#endif USG
|
|
change++;
|
|
}
|
|
if(change){
|
|
setctty();
|
|
}
|
|
start_screen();
|
|
}
|
|
|
|
|
|
/* fatal error */
|
|
/*VARARGS1*/
|
|
error(s,x,y) char *s; {
|
|
if(settty_needed)
|
|
settty((char *) 0);
|
|
printf(s,x,y);
|
|
putchar('\n');
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Read a line closed with '\n' into the array char bufp[BUFSZ].
|
|
* (The '\n' is not stored. The string is closed with a '\0'.)
|
|
* Reading can be interrupted by an escape ('\033') - now the
|
|
* resulting string is "\033".
|
|
*/
|
|
getlin(bufp)
|
|
register char *bufp;
|
|
{
|
|
register char *obufp = bufp;
|
|
register int c;
|
|
|
|
flags.toplin = 2; /* nonempty, no --More-- required */
|
|
for(;;) {
|
|
(void) fflush(stdout);
|
|
if((c = getchar()) == EOF) {
|
|
*bufp = 0;
|
|
return;
|
|
}
|
|
if(c == '\033') {
|
|
*obufp = c;
|
|
obufp[1] = 0;
|
|
return;
|
|
}
|
|
if(c == erase_char || c == '\b') {
|
|
if(bufp != obufp) {
|
|
bufp--;
|
|
putstr("\b \b"); /* putsym converts \b */
|
|
} else bell();
|
|
} else if(c == '\n') {
|
|
*bufp = 0;
|
|
return;
|
|
} else if(' ' <= c && c < '\177') {
|
|
/* avoid isprint() - some people don't have it
|
|
' ' is not always a printing char */
|
|
*bufp = c;
|
|
bufp[1] = 0;
|
|
putstr(bufp);
|
|
if(bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO)
|
|
bufp++;
|
|
} else if(c == kill_char || c == '\177') { /* Robert Viduya */
|
|
/* this test last - @ might be the kill_char */
|
|
while(bufp != obufp) {
|
|
bufp--;
|
|
putstr("\b \b");
|
|
}
|
|
} else
|
|
bell();
|
|
}
|
|
}
|
|
|
|
getret() {
|
|
cgetret("");
|
|
}
|
|
|
|
cgetret(s)
|
|
register char *s;
|
|
{
|
|
putsym('\n');
|
|
if(flags.standout)
|
|
standoutbeg();
|
|
putstr("Hit ");
|
|
putstr(flags.cbreak ? "space" : "return");
|
|
putstr(" to continue: ");
|
|
if(flags.standout)
|
|
standoutend();
|
|
xwaitforspace(s);
|
|
}
|
|
|
|
char morc; /* tell the outside world what char he used */
|
|
|
|
xwaitforspace(s)
|
|
register char *s; /* chars allowed besides space or return */
|
|
{
|
|
register int c;
|
|
|
|
morc = 0;
|
|
|
|
while((c = readchar()) != '\n') {
|
|
if(flags.cbreak) {
|
|
if(c == ' ') break;
|
|
if(s && index(s,c)) {
|
|
morc = c;
|
|
break;
|
|
}
|
|
bell();
|
|
}
|
|
}
|
|
}
|
|
|
|
char *
|
|
parse()
|
|
{
|
|
static char inputline[COLNO];
|
|
register foo;
|
|
|
|
flags.move = 1;
|
|
if(!Invisible) curs_on_u(); else home();
|
|
while((foo = readchar()) >= '0' && foo <= '9')
|
|
multi = 10*multi+foo-'0';
|
|
if(multi) {
|
|
multi--;
|
|
save_cm = inputline;
|
|
}
|
|
inputline[0] = foo;
|
|
inputline[1] = 0;
|
|
if(foo == 'f' || foo == 'F'){
|
|
inputline[1] = getchar();
|
|
#ifdef QUEST
|
|
if(inputline[1] == foo) inputline[2] = getchar(); else
|
|
#endif QUEST
|
|
inputline[2] = 0;
|
|
}
|
|
if(foo == 'm' || foo == 'M'){
|
|
inputline[1] = getchar();
|
|
inputline[2] = 0;
|
|
}
|
|
clrlin();
|
|
return(inputline);
|
|
}
|
|
|
|
char
|
|
readchar() {
|
|
register int sym;
|
|
|
|
(void) fflush(stdout);
|
|
if((sym = getchar()) == EOF)
|
|
#ifdef NR_OF_EOFS
|
|
{ /*
|
|
* Some SYSV systems seem to return EOFs for various reasons
|
|
* (?like when one hits break or for interrupted systemcalls?),
|
|
* and we must see several before we quit.
|
|
*/
|
|
register int cnt = NR_OF_EOFS;
|
|
while (cnt--) {
|
|
clearerr(stdin); /* omit if clearerr is undefined */
|
|
if((sym = getchar()) != EOF) goto noteof;
|
|
}
|
|
end_of_input();
|
|
noteof: ;
|
|
}
|
|
#else
|
|
end_of_input();
|
|
#endif NR_OF_EOFS
|
|
if(flags.toplin == 1)
|
|
flags.toplin = 2;
|
|
return((char) sym);
|
|
}
|
|
|
|
end_of_input()
|
|
{
|
|
settty("End of input?\n");
|
|
clearlocks();
|
|
exit(0);
|
|
}
|