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[] = "@(#)initscr.c 5.6 (Berkeley) 3/3/91"; 36 #endif /* not lint */ 37 38 # include "curses.ext" 39 # include <signal.h> 40 41 extern char *getenv(); 42 43 /* 44 * This routine initializes the current and standard screen. 45 * 46 */ 47 WINDOW * 48 initscr() { 49 50 reg char *sp; 51 void tstp(); 52 53 # ifdef DEBUG 54 fprintf(outf, "INITSCR()\n"); 55 # endif 56 if (My_term) 57 setterm(Def_term); 58 else { 59 gettmode(); 60 if ((sp = getenv("TERM")) == NULL) 61 sp = Def_term; 62 setterm(sp); 63 # ifdef DEBUG 64 fprintf(outf, "INITSCR: term = %s\n", sp); 65 # endif 66 } 67 _puts(TI); 68 _puts(VS); 69 # ifdef SIGTSTP 70 signal(SIGTSTP, tstp); 71 # endif 72 if (curscr != NULL) { 73 # ifdef DEBUG 74 fprintf(outf, "INITSCR: curscr = 0%o\n", curscr); 75 # endif 76 delwin(curscr); 77 } 78 # ifdef DEBUG 79 fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS); 80 # endif 81 if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR) 82 return ERR; 83 clearok(curscr, TRUE); 84 curscr->_flags &= ~_FULLLINE; 85 if (stdscr != NULL) { 86 # ifdef DEBUG 87 fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr); 88 # endif 89 delwin(stdscr); 90 } 91 stdscr = newwin(LINES, COLS, 0, 0); 92 return stdscr; 93 } 94