xref: /netbsd-src/lib/libcurses/curses.c (revision ce63d6c20fc4ec8ddc95c84bb229e3c4ecf82b69)
1 /*
2  * Copyright (c) 1981 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef lint
35 static char sccsid[] = "@(#)curses.c	5.7 (Berkeley) 6/1/90";
36 #endif /* not lint */
37 
38 /*
39  * Define global variables
40  *
41  */
42 # include	"curses.h"
43 
44 bool	_echoit		= TRUE,	/* set if stty indicates ECHO		*/
45 	_rawmode	= FALSE,/* set if stty indicates RAW mode	*/
46 	My_term		= FALSE,/* set if user specifies terminal type	*/
47 	_endwin		= FALSE;/* set if endwin has been called	*/
48 
49 char	ttytype[50],		/* long name of tty			*/
50 	*Def_term	= "unknown";	/* default terminal type	*/
51 
52 int	_tty_ch		= 0,	/* file channel which is a tty		*/
53 	LINES,			/* number of lines allowed on screen	*/
54 	COLS,			/* number of columns allowed on screen	*/
55 	_res_flg;		/* sgtty flags for reseting later	*/
56 
57 WINDOW	*stdscr		= NULL,
58 	*curscr		= NULL;
59 
60 # ifdef DEBUG
61 FILE	*outf;			/* debug output file			*/
62 # endif
63 
64 SGTTY	_tty;			/* tty modes				*/
65 
66 bool	AM, BS, CA, DA, DB, EO, HC, HZ, IN, MI, MS, NC, NS, OS, UL, XB, XN,
67 	XT, XS, XX;
68 char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL, *DM,
69 	*DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6, *K7, *K8,
70 	*K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL, *KR, *KS, *KU,
71 	*LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF, *SO, *SR, *TA, *TE,
72 	*TI, *UC, *UE, *UP, *US, *VB, *VS, *VE, *AL_PARM, *DL_PARM,
73 	*UP_PARM, *DOWN_PARM, *LEFT_PARM, *RIGHT_PARM;
74 char	PC;
75 
76 /*
77  * From the tty modes...
78  */
79 
80 bool	GT, NONL, UPPERCASE, normtty, _pfast;
81