1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /*static char sccsid[] = "from: @(#)initscr.c 5.6 (Berkeley) 3/3/91";*/ 36 static char rcsid[] = "$Id: initscr.c,v 1.2 1993/08/01 18:35:37 mycroft Exp $"; 37 #endif /* not lint */ 38 39 # include "curses.ext" 40 # include <signal.h> 41 42 extern char *getenv(); 43 44 /* 45 * This routine initializes the current and standard screen. 46 * 47 */ 48 WINDOW * 49 initscr() { 50 51 reg char *sp; 52 void tstp(); 53 54 # ifdef DEBUG 55 fprintf(outf, "INITSCR()\n"); 56 # endif 57 if (My_term) 58 setterm(Def_term); 59 else { 60 gettmode(); 61 if ((sp = getenv("TERM")) == NULL) 62 sp = Def_term; 63 setterm(sp); 64 # ifdef DEBUG 65 fprintf(outf, "INITSCR: term = %s\n", sp); 66 # endif 67 } 68 _puts(TI); 69 _puts(VS); 70 # ifdef SIGTSTP 71 signal(SIGTSTP, tstp); 72 # endif 73 if (curscr != NULL) { 74 # ifdef DEBUG 75 fprintf(outf, "INITSCR: curscr = 0%o\n", curscr); 76 # endif 77 delwin(curscr); 78 } 79 # ifdef DEBUG 80 fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS); 81 # endif 82 if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR) 83 return ERR; 84 clearok(curscr, TRUE); 85 curscr->_flags &= ~_FULLLINE; 86 if (stdscr != NULL) { 87 # ifdef DEBUG 88 fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr); 89 # endif 90 delwin(stdscr); 91 } 92 stdscr = newwin(LINES, COLS, 0, 0); 93 return stdscr; 94 } 95