xref: /illumos-gate/usr/src/lib/libcurses/screen/savetty.c (revision bb9b6b3f59b8820022416cea99b49c50fef6e391)
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 savetty(void)
53 {
54 #ifdef SYSV
55 	if (prog_istermios < 0) {
56 		int i;
57 
58 		PROGTTY.c_lflag = PROGTTYS.c_lflag;
59 		PROGTTY.c_oflag = PROGTTYS.c_oflag;
60 		PROGTTY.c_iflag = PROGTTYS.c_iflag;
61 		PROGTTY.c_cflag = PROGTTYS.c_cflag;
62 		for (i = 0; i < NCC; i++)
63 			PROGTTY.c_cc[i] = PROGTTYS.c_cc[i];
64 		SP->save_tty_buf = PROGTTY;
65 	} else
66 		SP->save_tty_bufs = PROGTTYS;
67 #else	/* SYSV */
68 	SP->save_tty_buf = PROGTTY;
69 #endif	/* SYSV */
70 #ifdef DEBUG
71 #ifdef SYSV
72 	if (outf)
73 		fprintf(outf, "savetty(), file %x, SP %x, flags %x,%x,%x,%x\n",
74 	cur_term->Filedes, SP, PROGTTYS.c_iflag, PROGTTYS.c_oflag,
75 	PROGTTYS.c_cflag, PROGTTYS.c_lflag);
76 #else
77 	if (outf)
78 		fprintf(outf, "savetty(), file %x, SP %x, flags %x\n",
79 	cur_term->Filedes, SP, PROGTTY.sg_flags);
80 #endif
81 #endif
82 	return (OK);
83 }
84