1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 #include <sys/types.h> 45 #include "curses_inc.h" 46 47 /* This routine erases everything on the window. */ 48 int 49 wclrtobot(WINDOW *win) 50 { 51 bool savimmed, savsync; 52 int cury = win->_cury; 53 short curx = win->_curx; 54 55 if (win != curscr) { 56 savimmed = win->_immed; 57 savsync = win->_sync; 58 win->_immed = win->_sync = FALSE; 59 } 60 61 /* set region to be clear */ 62 if (cury >= win->_tmarg && cury <= win->_bmarg) 63 win->_cury = win->_bmarg; 64 else 65 win->_cury = win->_maxy - 1; 66 67 win->_curx = 0; 68 for (; win->_cury > cury; win->_cury--) 69 (void) wclrtoeol(win); 70 win->_curx = curx; 71 (void) wclrtoeol(win); 72 73 if (win == curscr) 74 return (OK); 75 76 /* not curscr */ 77 win->_sync = savsync; 78 79 if (win->_sync) 80 wsyncup(win); 81 82 win->_flags |= _WINCHANGED; 83 return ((win->_immed = savimmed) ? wrefresh(win) : OK); 84 } 85