xref: /titanic_41/usr/src/lib/libcurses/screen/raw.c (revision ea394cb00fd96864e34d2841b4a22357b621c78f)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 /*LINTLIBRARY*/
43 
44 /*
45  * Routines to deal with setting and resetting modes in the tty driver.
46  * See also setupterm.c in the termlib part.
47  */
48 #include <sys/types.h>
49 #include "curses_inc.h"
50 
51 int
52 raw(void)
53 {
54 #ifdef SYSV
55 	/* Disable interrupt characters */
56 	PROGTTYS.c_lflag &= ~(ISIG|ICANON);
57 	PROGTTYS.c_cc[VMIN] = 1;
58 	PROGTTYS.c_cc[VTIME] = 0;
59 	PROGTTYS.c_iflag &= ~IXON;
60 #else
61 	PROGTTY.sg_flags &= ~CBREAK;
62 	PROGTTY.sg_flags |= RAW;
63 #endif
64 
65 #ifdef DEBUG
66 #ifdef SYSV
67 	if (outf)
68 		fprintf(outf, "raw(), file %x, iflag %x, cflag %x\n",
69 	cur_term->Filedes, PROGTTYS.c_iflag, PROGTTYS.c_cflag);
70 #else
71 	if (outf)
72 		fprintf(outf, "raw(), file %x, flags %x\n",
73 	cur_term->Filedes, PROGTTY.sg_flags);
74 #endif /* SYSV */
75 #endif
76 
77 	if (!needs_xon_xoff)
78 		xon_xoff = 0;	/* Cannot use xon/xoff in raw mode */
79 	cur_term->_fl_rawmode = 2;
80 	cur_term->_delay = -1;
81 	(void) reset_prog_mode();
82 #ifdef FIONREAD
83 	cur_term->timeout = 0;
84 #endif /* FIONREAD */
85 	return (OK);
86 }
87