xref: /illumos-gate/usr/src/lib/libcurses/screen/meta.c (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 /*
31  * University Copyright- Copyright (c) 1982, 1986, 1988
32  * The Regents of the University of California
33  * All Rights Reserved
34  *
35  * University Acknowledgment- Portions of this document are derived from
36  * software developed by the University of California, Berkeley, and its
37  * contributors.
38  */
39 
40 /*LINTLIBRARY*/
41 
42 #include	<sys/types.h>
43 #include	"curses_inc.h"
44 
45 /* TRUE => all 8 bits of input character should be passed through. */
46 
47 int
48 _meta(int bf)
49 {
50 	/*
51 	 * Do the appropriate fiddling with the tty driver to make it send
52 	 * all 8 bits through.  On SYSV this means clearing ISTRIP, on
53 	 * V7 you have to resort to RAW mode.
54 	 */
55 #ifdef	SYSV
56 	if (bf)
57 		PROGTTYS.c_iflag &= ~ISTRIP;
58 	else
59 		PROGTTYS.c_iflag |= ISTRIP;
60 	(void) reset_prog_mode();
61 #else	/* SYSV */
62 	if (bf)
63 		raw();
64 	else
65 		noraw();
66 #endif	/* SYSV */
67 
68 	/* Do whatever is needed to put the terminal into meta-mode. */
69 
70 	if ((SP->fl_meta = bf) != 0)
71 		(void) tputs(meta_on, 1, _outch);
72 	else
73 		(void) tputs(meta_off, 1, _outch);
74 	(void) fflush(SP->term_file);
75 	return (OK);
76 }
77