1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)clrtobot.c 5.12 (Berkeley) 01/11/93"; 10 #endif /* not lint */ 11 12 #include <curses.h> 13 14 /* 15 * wclrtobot -- 16 * Erase everything on the window. 17 */ 18 int 19 wclrtobot(win) 20 register WINDOW *win; 21 { 22 register int minx, startx, y; 23 register __LDATA *sp, *end, *maxx; 24 25 startx = win->curx; 26 for (y = win->cury; y < win->maxy; y++) { 27 minx = -1; 28 end = &win->lines[y]->line[win->maxx]; 29 for (sp = &win->lines[y]->line[startx]; sp < end; sp++) 30 if (sp->ch != ' ' || sp->attr != 0) { 31 maxx = sp; 32 if (minx == -1) 33 minx = sp - win->lines[y]->line; 34 sp->ch = ' '; 35 sp->attr = 0; 36 } 37 if (minx != -1) 38 __touchline(win, y, minx, maxx - win->lines[y]->line, 39 0); 40 startx = 0; 41 } 42 return (OK); 43 } 44