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[] = "@(#)clrtobot.c 5.5 (Berkeley) 6/1/90"; 36 #endif /* not lint */ 37 38 # include "curses.ext" 39 40 /* 41 * This routine erases everything on the window. 42 * 43 */ 44 wclrtobot(win) 45 reg WINDOW *win; { 46 47 reg int y; 48 reg chtype *sp, *end, *maxx; 49 reg int startx, minx; 50 51 startx = win->_curx; 52 for (y = win->_cury; y < win->_maxy; y++) { 53 minx = _NOCHANGE; 54 end = &win->_y[y][win->_maxx]; 55 for (sp = &win->_y[y][startx]; sp < end; sp++) 56 if (*sp != ' ') { 57 maxx = sp; 58 if (minx == _NOCHANGE) 59 minx = sp - win->_y[y]; 60 *sp = ' '; 61 } 62 if (minx != _NOCHANGE) 63 touchline(win, y, minx, maxx - &win->_y[y][0]); 64 startx = 0; 65 } 66 } 67