1 /* 2 * Copyright 2001 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 #pragma ident "%Z%%M% %I% %E% SMI" 16 17 /*LINTLIBRARY*/ 18 19 #ifndef lint 20 static char 21 sccsid[] = "@(#)initscr.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */ 22 #endif /* not lint */ 23 24 #include "curses.ext" 25 #include <term.h> 26 #include <stdlib.h> 27 #include <signal.h> 28 29 /* 30 * This routine initializes the current and standard screen. 31 */ 32 33 WINDOW * 34 initscr(void) 35 { 36 char *sp; 37 38 #ifdef DEBUG 39 fprintf(outf, "INITSCR()\n"); 40 #endif 41 if (My_term) 42 (void) setterm(Def_term); 43 else { 44 (void) gettmode(); 45 if ((sp = getenv("TERM")) == NULL) 46 sp = Def_term; 47 (void) setterm(sp); 48 #ifdef DEBUG 49 fprintf(outf, "INITSCR: term = %s\n", sp); 50 #endif 51 } 52 (void) _puts(TI); 53 (void) _puts(VS); 54 #ifdef SIGTSTP 55 (void) signal(SIGTSTP, (void(*)(int))tstp); 56 #endif 57 if (curscr != NULL) { 58 #ifdef DEBUG 59 fprintf(outf, "INITSCR: curscr = 0%o\n", curscr); 60 #endif 61 (void) delwin(curscr); 62 } 63 #ifdef DEBUG 64 fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS); 65 #endif 66 if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR) 67 return (ERR); 68 clearok(curscr, TRUE); 69 curscr->_flags &= ~_FULLLINE; 70 if (stdscr != NULL) { 71 #ifdef DEBUG 72 fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr); 73 #endif 74 (void) delwin(stdscr); 75 } 76 stdscr = newwin(LINES, COLS, 0, 0); 77 return (stdscr); 78 } 79