95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/*
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* Copyright (c) 1981 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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/*static char sccsid[] = "from: @(#)initscr.c 5.6 (Berkeley) 3/3/91";*/
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static char rcsid[] = "$Id: initscr.c,v 1.2 1993/08/01 18:35:37 mycroft Exp $";
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#endif /* not lint */
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# include "curses.ext"
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# include <signal.h>
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extern char *getenv();
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/*
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* This routine initializes the current and standard screen.
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*
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*/
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WINDOW *
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initscr() {
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reg char *sp;
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void tstp();
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# ifdef DEBUG
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fprintf(outf, "INITSCR()\n");
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# endif
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if (My_term)
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setterm(Def_term);
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else {
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gettmode();
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if ((sp = getenv("TERM")) == NULL)
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sp = Def_term;
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setterm(sp);
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# ifdef DEBUG
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fprintf(outf, "INITSCR: term = %s\n", sp);
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# endif
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}
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_puts(TI);
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_puts(VS);
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# ifdef SIGTSTP
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signal(SIGTSTP, tstp);
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# endif
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if (curscr != NULL) {
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# ifdef DEBUG
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fprintf(outf, "INITSCR: curscr = 0%o\n", curscr);
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# endif
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delwin(curscr);
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}
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# ifdef DEBUG
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fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS);
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# endif
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if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
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return ERR;
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clearok(curscr, TRUE);
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curscr->_flags &= ~_FULLLINE;
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if (stdscr != NULL) {
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# ifdef DEBUG
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fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr);
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# endif
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delwin(stdscr);
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}
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stdscr = newwin(LINES, COLS, 0, 0);
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return stdscr;
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}
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