1 /* 2 * Copyright 2004 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[] = "@(#)clrtobot.c 1.7 88/02/08 SMI"; /* from UCB 5.2 85/10/24 */ 22 #endif /* not lint */ 23 24 #include <stddef.h> 25 #include "curses.ext" 26 27 /* 28 * This routine erases everything on the window. 29 */ 30 31 int 32 wclrtobot(WINDOW *win) 33 { 34 int y; 35 char *sp, *end, *maxx; 36 int startx; 37 ptrdiff_t minx; 38 39 startx = win->_curx; 40 for (y = win->_cury; y < win->_maxy; y++) { 41 minx = _NOCHANGE; 42 end = &win->_y[y][win->_maxx]; 43 for (sp = &win->_y[y][startx]; sp < end; sp++) 44 if (*sp != ' ') { 45 maxx = sp; 46 if (minx == _NOCHANGE) 47 minx = sp - win->_y[y]; 48 *sp = ' '; 49 } 50 if (minx != _NOCHANGE) 51 (void) touchline(win, y, (int)minx, 52 (int)(maxx - &win->_y[y][0])); 53 startx = 0; 54 } 55 return (OK); 56 } 57