initscr.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 2001 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#ifndef lint
static char
sccsid[] = "@(#)initscr.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
#endif /* not lint */
#include "curses.ext"
#include <term.h>
#include <stdlib.h>
#include <signal.h>
/*
* This routine initializes the current and standard screen.
*/
WINDOW *
initscr(void)
{
char *sp;
#ifdef DEBUG
fprintf(outf, "INITSCR()\n");
#endif
if (My_term)
(void) setterm(Def_term);
else {
(void) gettmode();
if ((sp = getenv("TERM")) == NULL)
sp = Def_term;
(void) setterm(sp);
#ifdef DEBUG
fprintf(outf, "INITSCR: term = %s\n", sp);
#endif
}
(void) _puts(TI);
(void) _puts(VS);
#ifdef SIGTSTP
(void) signal(SIGTSTP, (void(*)(int))tstp);
#endif
if (curscr != NULL) {
#ifdef DEBUG
fprintf(outf, "INITSCR: curscr = 0%o\n", curscr);
#endif
(void) delwin(curscr);
}
#ifdef DEBUG
fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS);
#endif
if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
return (ERR);
clearok(curscr, TRUE);
curscr->_flags &= ~_FULLLINE;
if (stdscr != NULL) {
#ifdef DEBUG
fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr);
#endif
(void) delwin(stdscr);
}
stdscr = newwin(LINES, COLS, 0, 0);
return (stdscr);
}