xref: /illumos-gate/usr/src/lib/libcurses/screen/savetty.c (revision b02947bf393d39f68e6c7fa8ccb98688f7f9c407)
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 savetty(void)
51 {
52 #ifdef SYSV
53 	if (prog_istermios < 0) {
54 		int i;
55 
56 		PROGTTY.c_lflag = PROGTTYS.c_lflag;
57 		PROGTTY.c_oflag = PROGTTYS.c_oflag;
58 		PROGTTY.c_iflag = PROGTTYS.c_iflag;
59 		PROGTTY.c_cflag = PROGTTYS.c_cflag;
60 		for (i = 0; i < NCC; i++)
61 			PROGTTY.c_cc[i] = PROGTTYS.c_cc[i];
62 		SP->save_tty_buf = PROGTTY;
63 	} else
64 		SP->save_tty_bufs = PROGTTYS;
65 #else	/* SYSV */
66 	SP->save_tty_buf = PROGTTY;
67 #endif	/* SYSV */
68 #ifdef DEBUG
69 #ifdef SYSV
70 	if (outf)
71 		fprintf(outf, "savetty(), file %x, SP %x, flags %x,%x,%x,%x\n",
72 	cur_term->Filedes, SP, PROGTTYS.c_iflag, PROGTTYS.c_oflag,
73 	PROGTTYS.c_cflag, PROGTTYS.c_lflag);
74 #else
75 	if (outf)
76 		fprintf(outf, "savetty(), file %x, SP %x, flags %x\n",
77 	cur_term->Filedes, SP, PROGTTY.sg_flags);
78 #endif
79 #endif
80 	return (OK);
81 }
82