From 567e3567cfbbfd9940e7ac02313f241710d726c7 Mon Sep 17 00:00:00 2001
From: mycroft <mycroft@NetBSD.org>
Date: Sat, 29 Apr 1995 00:06:37 +0000
Subject: Use POSIX tty semantics.

---
 snake/snake/move.c  | 53 +++++++++++++----------------------------------------
 snake/snake/snake.c |  9 ++++-----
 snake/snake/snake.h | 10 ++++------
 3 files changed, 21 insertions(+), 51 deletions(-)

(limited to 'snake')

diff --git a/snake/snake/move.c b/snake/snake/move.c
index 5e72dac2..993c1636 100644
--- a/snake/snake/move.c
+++ b/snake/snake/move.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: move.c,v 1.9 1995/04/22 10:16:04 cgd Exp $	*/
+/*	$NetBSD: move.c,v 1.10 1995/04/29 00:06:37 mycroft Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)move.c	8.1 (Berkeley) 7/19/93";
 #else
-static char rcsid[] = "$NetBSD: move.c,v 1.9 1995/04/22 10:16:04 cgd Exp $";
+static char rcsid[] = "$NetBSD: move.c,v 1.10 1995/04/29 00:06:37 mycroft Exp $";
 #endif
 #endif /* not lint */
 
@@ -90,7 +90,6 @@ static char rcsid[] = "$NetBSD: move.c,v 1.9 1995/04/22 10:16:04 cgd Exp $";
  *
  *		point(&p,x,y)	return point set to x,y.
  *
- *		baudrate(x)	returns the baudrate of the terminal.
  *		delay(t)	causes an approximately constant delay
  *					independent of baudrate.
  *					Duration is ~ t/20 seconds.
@@ -511,28 +510,12 @@ char *str;
 	if (str)
 		tputs(str, 1, outch);
 }
-baudrate()
-{
-
-	switch (orig.sg_ospeed){
-	case B300:
-		return(300);
-	case B1200:
-		return(1200);
-	case B4800:
-		return(4800);
-	case B9600:
-		return(9600);
-	default:
-		return(0);
-	}
-}
 delay(t)
 int t;
 {
 	int k,j;
 
-	k = baudrate() * t / 300;
+	k = ospeed * t / 300;
 	for(j=0;j<k;j++){
 		putchar(PC);
 	}
@@ -550,18 +533,12 @@ cook()
 	putpad(TE);
 	putpad(KE);
 	fflush(stdout);
-	stty(0, &orig);
-#ifdef TIOCSLTC
-	ioctl(0, TIOCSLTC, &olttyc);
-#endif
+	tcsetattr(0, TCSADRAIN, &orig);
 }
 
 raw()
 {
-	stty(0, &new);
-#ifdef TIOCSLTC
-	ioctl(0, TIOCSLTC, &nlttyc);
-#endif
+	tcsetattr(0, TCSADRAIN, &new);
 }
 
 struct point *point(ps,x,y)
@@ -682,21 +659,17 @@ getcap()
 		exit(5);
 	}
 
-	gtty(0, &orig);
-	new=orig;
-	new.sg_flags &= ~(ECHO|CRMOD|ALLDELAY|XTABS);
-	new.sg_flags |= CBREAK;
+	tcgetattr(0, &orig);
+	new = orig;
+	new.c_lflag &= ~(ECHO|ICANON);
+	new.c_oflag &= ~(ONLCR|OXTABS);
 	signal(SIGINT,stop);
-	ospeed = orig.sg_ospeed;
-#ifdef TIOCGLTC
-	ioctl(0, TIOCGLTC, &olttyc);
-	nlttyc = olttyc;
-	nlttyc.t_suspc = '\377';
-	nlttyc.t_dsuspc = '\377';
-#endif
+	ospeed = cfgetospeed(&orig);
+	new.c_cc[VSUSP] = _POSIX_VDISABLE;
+	new.c_cc[VDSUSP] = _POSIX_VDISABLE;
 	raw();
 
-	if ((orig.sg_flags & XTABS) == XTABS) TA=0;
+	if (orig.c_oflag & OXTABS) TA=0;
 	putpad(KS);
 	putpad(TI);
 	point(&cursor,0,LINES-1);
diff --git a/snake/snake/snake.c b/snake/snake/snake.c
index 089121cc..db69aefa 100644
--- a/snake/snake/snake.c
+++ b/snake/snake/snake.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: snake.c,v 1.7 1995/04/24 12:25:34 cgd Exp $	*/
+/*	$NetBSD: snake.c,v 1.8 1995/04/29 00:06:41 mycroft Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -43,7 +43,7 @@ static char copyright[] =
 #if 0
 static char sccsid[] = "@(#)snake.c	8.2 (Berkeley) 1/7/94";
 #else
-static char rcsid[] = "$NetBSD: snake.c,v 1.7 1995/04/24 12:25:34 cgd Exp $";
+static char rcsid[] = "$NetBSD: snake.c,v 1.8 1995/04/29 00:06:41 mycroft Exp $";
 #endif
 #endif /* not lint */
 
@@ -173,8 +173,7 @@ char **argv;
 	snrand(&money);
 	snrand(&snake[0]);
 
-	if ((orig.sg_ospeed < B9600) ||
-	    ((! CM) && (! TA))) fast=0;
+	if (ospeed < 9600 || ((! CM) && (! TA))) fast=0;
 	for(i=1;i<6;i++)
 		chase (&snake[i], &snake[i-1]);
 	setup();
@@ -528,7 +527,7 @@ int	iscore, flag;
  */
 flushi()
 {
-	stty(0, &new);
+	tcflush(0, TCIFLUSH);
 }
 int mx [8] = { 
 	0, 1, 1, 1, 0,-1,-1,-1};
diff --git a/snake/snake/snake.h b/snake/snake/snake.h
index fda11923..3543fd16 100644
--- a/snake/snake/snake.h
+++ b/snake/snake/snake.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: snake.h,v 1.4 1995/04/24 12:25:38 cgd Exp $	*/
+/*	$NetBSD: snake.h,v 1.5 1995/04/29 00:06:43 mycroft Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -39,8 +39,8 @@
 # include <string.h>
 # include <assert.h>
 # include <sys/types.h>
-# include <sgtty.h>
 # include <signal.h>
+# include <termios.h>
 # include <math.h>
 
 #define ESC	'\033'
@@ -62,6 +62,7 @@ char	tbuf[1024], tcapbuf[128];
 char	*tgetstr(), *tgoto();
 int	Klength;	/* length of KX strings */
 int	chunk;		/* amount of money given at a time */
+short	ospeed;
 #ifdef	debug
 #define	cashvalue	(loot-penalty)/25
 #else
@@ -72,10 +73,7 @@ struct point {
 	int col, line;
 };
 struct point cursor;
-struct sgttyb orig, new;
-#ifdef TIOCLGET
-struct ltchars olttyc, nlttyc;
-#endif
+struct termios orig, new;
 struct point *point();
 #if __STDC__
 void	apr(struct point *, const char *, ...);
-- 
cgit v1.2.3-56-ge451