xref: /illumos-gate/usr/src/lib/libcurses/screen/raw.c (revision 0fb96ba1f1ce26ff8b286f8f928769a6afcb00a6)
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 /*
43  * Routines to deal with setting and resetting modes in the tty driver.
44  * See also setupterm.c in the termlib part.
45  */
46 #include <sys/types.h>
47 #include "curses_inc.h"
48 
49 int
50 raw(void)
51 {
52 #ifdef SYSV
53 	/* Disable interrupt characters */
54 	PROGTTYS.c_lflag &= ~(ISIG|ICANON);
55 	PROGTTYS.c_cc[VMIN] = 1;
56 	PROGTTYS.c_cc[VTIME] = 0;
57 	PROGTTYS.c_iflag &= ~IXON;
58 #else
59 	PROGTTY.sg_flags &= ~CBREAK;
60 	PROGTTY.sg_flags |= RAW;
61 #endif
62 
63 #ifdef DEBUG
64 #ifdef SYSV
65 	if (outf)
66 		fprintf(outf, "raw(), file %x, iflag %x, cflag %x\n",
67 	cur_term->Filedes, PROGTTYS.c_iflag, PROGTTYS.c_cflag);
68 #else
69 	if (outf)
70 		fprintf(outf, "raw(), file %x, flags %x\n",
71 	cur_term->Filedes, PROGTTY.sg_flags);
72 #endif /* SYSV */
73 #endif
74 
75 	if (!needs_xon_xoff)
76 		xon_xoff = 0;	/* Cannot use xon/xoff in raw mode */
77 	cur_term->_fl_rawmode = 2;
78 	cur_term->_delay = -1;
79 	(void) reset_prog_mode();
80 #ifdef FIONREAD
81 	cur_term->timeout = 0;
82 #endif /* FIONREAD */
83 	return (OK);
84 }
85