X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/cfe9768e2d2057fd7a3b9c84e8b3f634ec8cfca7..af359dea2e5ab3e937b62107ecd6a51d78189ed7:/usr/src/sys/kern/tty_compat.c

diff --git a/usr/src/sys/kern/tty_compat.c b/usr/src/sys/kern/tty_compat.c
index 6503d8933d..9bfd6cd92f 100644
--- a/usr/src/sys/kern/tty_compat.c
+++ b/usr/src/sys/kern/tty_compat.c
@@ -1,9 +1,36 @@
-/*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.  The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+/*-
+ * Copyright (c) 1982, 1986, 1991 The Regents of the University of California.
+ * All rights reserved.
  *
- *	@(#)tty_compat.c	1.4 (Berkeley) %G%
+ * 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.
+ *
+ *	@(#)tty_compat.c	7.10 (Berkeley) 5/9/91
  */
 
 /* 
@@ -13,7 +40,6 @@
 
 #include "param.h"
 #include "systm.h"
-#include "user.h"
 #include "ioctl.h"
 #include "tty.h"
 #include "termios.h"
@@ -21,15 +47,11 @@
 #include "file.h"
 #include "conf.h"
 #include "dkstat.h"
-#include "uio.h"
 #include "kernel.h"
 #include "syslog.h"
 
-#include "machine/reg.h"
-
 int ttydebug = 0;
 
-/* XXX - fold these two tables into one */
 static struct speedtab compatspeeds[] = {
 	38400,	15,
 	19200,	14,
@@ -59,7 +81,8 @@ ttcompat(tp, com, data, flag)
 	register struct tty *tp;
 	caddr_t data;
 {
-	switch(com) {
+
+	switch (com) {
 	case TIOCGETP: {
 		register struct sgttyb *sg = (struct sgttyb *)data;
 		register u_char *cc = tp->t_cc;
@@ -96,9 +119,7 @@ ttcompat(tp, com, data, flag)
 			term.c_ospeed = compatspcodes[speed];
 		term.c_cc[VERASE] = sg->sg_erase;
 		term.c_cc[VKILL] = sg->sg_kill;
-		if (sg->sg_erase == -1)
-			term.c_cc[VERASE2] = _POSIX_VDISABLE;
-		tp->t_flags = (tp->t_flags&0xffff0000) | sg->sg_flags;
+		tp->t_flags = tp->t_flags&0xffff0000 | sg->sg_flags&0xffff;
 		ttcompatsetflags(tp, &term);
 		return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA, 
 			&term, flag));
@@ -137,7 +158,7 @@ ttcompat(tp, com, data, flag)
 		cc[VSUSP] = ltc->t_suspc;
 		cc[VDSUSP] = ltc->t_dsuspc;
 		cc[VREPRINT] = ltc->t_rprntc;
-		cc[VFLUSHO] = ltc->t_flushc;
+		cc[VDISCARD] = ltc->t_flushc;
 		cc[VWERASE] = ltc->t_werasc;
 		cc[VLNEXT] = ltc->t_lnextc;
 		break;
@@ -149,7 +170,7 @@ ttcompat(tp, com, data, flag)
 		ltc->t_suspc = cc[VSUSP];
 		ltc->t_dsuspc = cc[VDSUSP];
 		ltc->t_rprntc = cc[VREPRINT];
-		ltc->t_flushc = cc[VFLUSHO];
+		ltc->t_flushc = cc[VDISCARD];
 		ltc->t_werasc = cc[VWERASE];
 		ltc->t_lnextc = cc[VLNEXT];
 		break;
@@ -179,21 +200,25 @@ ttcompat(tp, com, data, flag)
 			printf("CLGET: returning %x\n", *(int *)data);
 		break;
 
-	case TIOCGETDCOMPAT:
+	case OTIOCGETD:
 		*(int *)data = tp->t_line ? tp->t_line : 2;
 		break;
 
-	case TIOCSETDCOMPAT: {
+	case OTIOCSETD: {
 		int ldisczero = 0;
 
-		return(ttioctl(tp, TIOCSETD, 
+		return (ttioctl(tp, TIOCSETD, 
 			*(int *)data == 2 ? (caddr_t)&ldisczero : data, flag));
-	}
+	    }
+
+	case OTIOCCONS:
+		*(int *)data = 1;
+		return (ttioctl(tp, TIOCCONS, data, flag));
 
 	default:
 		return (-1);
 	}
-	return(0);
+	return (0);
 }
 
 ttcompatgetflags(tp)
@@ -262,11 +287,11 @@ ttcompatsetflags(tp, t)
 	if (flags & RAW) {
 		iflag &= IXOFF;
 		oflag &= ~OPOST;
-		lflag &= ~(ECHOCTL|ISIG|ICANON);
+		lflag &= ~(ECHOCTL|ISIG|ICANON|IEXTEN);
 	} else {
-		iflag |= BRKINT|IXON|IEXTEN|IMAXBEL;
+		iflag |= BRKINT|IXON|IMAXBEL;
 		oflag |= OPOST;
-		lflag |= ISIG;
+		lflag |= ISIG|IEXTEN|ECHOCTL;	/* XXX was echoctl on ? */
 		if (flags & XTABS)
 			oflag |= OXTABS;
 		else
@@ -293,9 +318,12 @@ ttcompatsetflags(tp, t)
 		cflag |= CS8;
 		if ((flags&(RAW|PASS8)) == 0)
 			iflag |= ISTRIP;
+		else
+			iflag &= ~ISTRIP;
 	} else {
 		cflag &= ~CSIZE;
 		cflag |= CS7|PARENB;
+		iflag |= ISTRIP;
 	}
 	if ((flags&(EVENP|ODDP)) == EVENP) {
 		iflag |= INPCK;