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 are permitted 6 * provided that this notice is preserved and that due credit is given 7 * to the University of California at Berkeley. The name of the University 8 * may not be used to endorse or promote products derived from this 9 * software without specific prior written permission. This software 10 * is provided ``as is'' without express or implied warranty. 11 */ 12 13 #ifndef lint 14 static char sccsid[] = "@(#)clrtobot.c 5.3 (Berkeley) 06/08/88"; 15 #endif /* not lint */ 16 17 # include "curses.ext" 18 19 /* 20 * This routine erases everything on the window. 21 * 22 */ 23 wclrtobot(win) 24 reg WINDOW *win; { 25 26 reg int y; 27 reg char *sp, *end, *maxx; 28 reg int startx, minx; 29 30 startx = win->_curx; 31 for (y = win->_cury; y < win->_maxy; y++) { 32 minx = _NOCHANGE; 33 end = &win->_y[y][win->_maxx]; 34 for (sp = &win->_y[y][startx]; sp < end; sp++) 35 if (*sp != ' ') { 36 maxx = sp; 37 if (minx == _NOCHANGE) 38 minx = sp - win->_y[y]; 39 *sp = ' '; 40 } 41 if (minx != _NOCHANGE) 42 touchline(win, y, minx, maxx - &win->_y[y][0]); 43 startx = 0; 44 } 45 } 46