xref: /onnv-gate/usr/src/lib/libcurses/screen/reset_sh.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #include	<sys/types.h>
45*0Sstevel@tonic-gate #include	<unistd.h>
46*0Sstevel@tonic-gate #include	"curses_inc.h"
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate int
reset_shell_mode(void)49*0Sstevel@tonic-gate reset_shell_mode(void)
50*0Sstevel@tonic-gate {
51*0Sstevel@tonic-gate #ifdef	DIOCSETT
52*0Sstevel@tonic-gate 	/*
53*0Sstevel@tonic-gate 	 * Restore any virtual terminal setting.  This must be done
54*0Sstevel@tonic-gate 	 * before the TIOCSETN because DIOCSETT will clobber flags like xtabs.
55*0Sstevel@tonic-gate 	 */
56*0Sstevel@tonic-gate 	cur_term -> old.st_flgs |= TM_SET;
57*0Sstevel@tonic-gate 	(void) ioctl(cur_term->Filedes, DIOCSETT, &cur_term -> old);
58*0Sstevel@tonic-gate #endif	/* DIOCSETT */
59*0Sstevel@tonic-gate #ifdef	SYSV
60*0Sstevel@tonic-gate 	if (_BRS(SHELLTTYS)) {
61*0Sstevel@tonic-gate 		if (shell_istermios < 0) {
62*0Sstevel@tonic-gate 			int i;
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate 			SHELLTTY.c_lflag = SHELLTTYS.c_lflag;
65*0Sstevel@tonic-gate 			SHELLTTY.c_oflag = SHELLTTYS.c_oflag;
66*0Sstevel@tonic-gate 			SHELLTTY.c_iflag = SHELLTTYS.c_iflag;
67*0Sstevel@tonic-gate 			SHELLTTY.c_cflag = SHELLTTYS.c_cflag;
68*0Sstevel@tonic-gate 			for (i = 0; i < NCC; i++)
69*0Sstevel@tonic-gate 				SHELLTTY.c_cc[i] = SHELLTTYS.c_cc[i];
70*0Sstevel@tonic-gate 			(void) ioctl(cur_term -> Filedes, TCSETAW, &SHELLTTY);
71*0Sstevel@tonic-gate 		} else
72*0Sstevel@tonic-gate 			(void) ioctl(cur_term -> Filedes, TCSETSW, &SHELLTTYS);
73*0Sstevel@tonic-gate #ifdef	LTILDE
74*0Sstevel@tonic-gate 		if (cur_term -> newlmode != cur_term -> oldlmode)
75*0Sstevel@tonic-gate 			(void) ioctl(cur_term -> Filedes, TIOCLSET,
76*0Sstevel@tonic-gate 			    &cur_term -> oldlmode);
77*0Sstevel@tonic-gate #endif	/* LTILDE */
78*0Sstevel@tonic-gate 	}
79*0Sstevel@tonic-gate #else	/* SYSV */
80*0Sstevel@tonic-gate 	if (_BR(SHELLTTY)) {
81*0Sstevel@tonic-gate 		(void) ioctl(cur_term -> Filedes, TIOCSETN, &SHELLTTY);
82*0Sstevel@tonic-gate #ifdef	LTILDE
83*0Sstevel@tonic-gate 		if (cur_term -> newlmode != cur_term -> oldlmode)
84*0Sstevel@tonic-gate 			(void) ioctl(cur_term -> Filedes, TIOCLSET,
85*0Sstevel@tonic-gate 			    &cur_term -> oldlmode);
86*0Sstevel@tonic-gate #endif	/* LTILDE */
87*0Sstevel@tonic-gate 	}
88*0Sstevel@tonic-gate #endif	/* SYSV */
89*0Sstevel@tonic-gate 	return (OK);
90*0Sstevel@tonic-gate }
91