92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1981 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
/*static char sccsid[] = "from: @(#)initscr.c 5.7 (Berkeley) 8/23/92";*/
|
|
static char rcsid[] = "$Id: initscr.c,v 1.3 1993/08/07 05:48:55 mycroft Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <curses.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
|
|
/*
|
|
* initscr --
|
|
* Initialize the current and standard screen.
|
|
*/
|
|
WINDOW *
|
|
initscr()
|
|
{
|
|
register char *sp;
|
|
|
|
#ifdef DEBUG
|
|
__TRACE("initscr\n");
|
|
#endif
|
|
if (My_term) {
|
|
if (setterm(Def_term) == ERR)
|
|
return (NULL);
|
|
} else {
|
|
gettmode();
|
|
if ((sp = getenv("TERM")) == NULL)
|
|
sp = Def_term;
|
|
if (setterm(sp) == ERR)
|
|
return (NULL);
|
|
#ifdef DEBUG
|
|
__TRACE("initscr: term = %s\n", sp);
|
|
#endif
|
|
}
|
|
tputs(TI, 0, __cputchar);
|
|
tputs(VS, 0, __cputchar);
|
|
(void)signal(SIGTSTP, tstp);
|
|
if (curscr != NULL) {
|
|
#ifdef DEBUG
|
|
__TRACE("initscr: curscr = 0%o\n", curscr);
|
|
#endif
|
|
delwin(curscr);
|
|
}
|
|
#ifdef DEBUG
|
|
__TRACE("initscr: LINES = %d, COLS = %d\n", LINES, COLS);
|
|
#endif
|
|
if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
|
|
return (NULL);
|
|
clearok(curscr, 1);
|
|
curscr->_flags &= ~_FULLLINE;
|
|
if (stdscr != NULL) {
|
|
#ifdef DEBUG
|
|
__TRACE("initscr: stdscr = 0%o\n", stdscr);
|
|
#endif
|
|
delwin(stdscr);
|
|
}
|
|
return(stdscr = newwin(LINES, COLS, 0, 0));
|
|
}
|