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 /*LINTLIBRARY*/ 41 42 #include <sys/types.h> 43 #include "curses_inc.h" 44 45 /* This routine erases everything on the window. */ 46 int 47 wclrtobot(WINDOW *win) 48 { 49 bool savimmed, savsync; 50 int cury = win->_cury; 51 short curx = win->_curx; 52 53 if (win != curscr) { 54 savimmed = win->_immed; 55 savsync = win->_sync; 56 win->_immed = win->_sync = FALSE; 57 } 58 59 /* set region to be clear */ 60 if (cury >= win->_tmarg && cury <= win->_bmarg) 61 win->_cury = win->_bmarg; 62 else 63 win->_cury = win->_maxy - 1; 64 65 win->_curx = 0; 66 for (; win->_cury > cury; win->_cury--) 67 (void) wclrtoeol(win); 68 win->_curx = curx; 69 (void) wclrtoeol(win); 70 71 if (win == curscr) 72 return (OK); 73 74 /* not curscr */ 75 win->_sync = savsync; 76 77 if (win->_sync) 78 wsyncup(win); 79 80 win->_flags |= _WINCHANGED; 81 return ((win->_immed = savimmed) ? wrefresh(win) : OK); 82 } 83