2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A/*
2N/A * University Copyright- Copyright (c) 1982, 1986, 1988
2N/A * The Regents of the University of California
2N/A * All Rights Reserved
2N/A *
2N/A * University Acknowledgment- Portions of this document are derived from
2N/A * software developed by the University of California, Berkeley, and its
2N/A * contributors.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*LINTLIBRARY*/
2N/A
2N/A#include <stdlib.h>
2N/A#include <signal.h>
2N/A#include <sys/types.h>
2N/A#include "curses_inc.h"
2N/A
2N/A/*
2N/A * This routine initializes the current and standard screen,
2N/A * and sets up the terminal. In case of error, initscr aborts.
2N/A * If you want an error status returned, call
2N/A * scp = newscreen(getenv("TERM"), 0, 0, 0, stdout, stdin);
2N/A */
2N/A
2N/AWINDOW *
2N/Ainitscr(void)
2N/A{
2N/A#ifdef SIGPOLL
2N/A void (*savsignal)(int);
2N/A extern void _ccleanup(int);
2N/A#else /* SIGPOLL */
2N/A int (*savsignal)();
2N/A extern int _ccleanup(int);
2N/A#endif /* SIGPOLL */
2N/A
2N/A#ifdef SIGTSTP
2N/A extern void _tstp(int);
2N/A#endif /* SIGTSTP */
2N/A
2N/A static char i_called_before = FALSE;
2N/A
2N/A/* Free structures we are about to throw away so we can reuse the memory. */
2N/A
2N/A if (i_called_before && SP) {
2N/A delscreen(SP);
2N/A SP = NULL;
2N/A }
2N/A if (newscreen(NULL, 0, 0, 0, stdout, stdin) == NULL) {
2N/A (void) reset_shell_mode();
2N/A if (term_errno != -1)
2N/A termerr();
2N/A else
2N/A curserr();
2N/A exit(1);
2N/A }
2N/A
2N/A#ifdef DEBUG
2N/A if (outf)
2N/A fprintf(outf, "initscr: term = %s\n", SP);
2N/A#endif /* DEBUG */
2N/A i_called_before = TRUE;
2N/A
2N/A#ifdef SIGTSTP
2N/A /*LINTED*/
2N/A if ((savsignal = signal(SIGTSTP, SIG_IGN)) == SIG_DFL)
2N/A (void) signal(SIGTSTP, _tstp);
2N/A else
2N/A (void) signal(SIGTSTP, savsignal);
2N/A#endif /* SIGTSTP */
2N/A /*LINTED*/
2N/A if ((savsignal = signal(SIGINT, SIG_IGN)) == SIG_DFL)
2N/A (void) signal(SIGINT, _ccleanup);
2N/A else
2N/A (void) signal(SIGINT, savsignal);
2N/A
2N/A /*LINTED*/
2N/A if ((savsignal = signal(SIGQUIT, SIG_IGN)) == SIG_DFL)
2N/A (void) signal(SIGQUIT, _ccleanup);
2N/A else
2N/A (void) signal(SIGQUIT, savsignal);
2N/A
2N/A return (stdscr);
2N/A}