NetBSD/lib/libcurses/initscr.c

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/* $NetBSD: initscr.c,v 1.29 2007/01/22 21:14:53 jdc Exp $ */
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/*
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* Copyright (c) 1981, 1993, 1994
* The Regents of the University of California. All rights reserved.
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*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)initscr.c 8.2 (Berkeley) 5/4/94";
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#else
__RCSID("$NetBSD: initscr.c,v 1.29 2007/01/22 21:14:53 jdc Exp $");
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#endif
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#endif /* not lint */
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#include <stdlib.h>
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#include "curses.h"
#include "curses_private.h"
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/*
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* initscr --
* Initialize the current and standard screen.
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*/
WINDOW *
initscr(void)
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{
const char *sp;
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#ifdef DEBUG
__CTRACE(__CTRACE_INIT, "initscr\n");
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#endif
/*
* If My_term is set, or can't find a terminal in the environment,
* use Def_term.
*/
if (My_term || (sp = getenv("TERM")) == NULL)
sp = Def_term;
/* LINTED const castaway; newterm does not modify sp! */
if ((_cursesi_screen = newterm((char *) sp, stdout, stdin)) == NULL)
return NULL;
__echoit = _cursesi_screen->echoit;
__pfast = _cursesi_screen->pfast;
__rawmode = _cursesi_screen->rawmode;
__noqch = _cursesi_screen->noqch;
COLS = _cursesi_screen->COLS;
LINES = _cursesi_screen->LINES;
COLORS = _cursesi_screen->COLORS;
COLOR_PAIRS = _cursesi_screen->COLOR_PAIRS;
__GT = _cursesi_screen->GT;
__NONL = _cursesi_screen->NONL;
__UPPERCASE = _cursesi_screen->UPPERCASE;
set_term(_cursesi_screen);
wrefresh(curscr);
return (stdscr);
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}