4.3BSD - /usr/src/usr.lib/libcurses/clrtobot.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)clrtobot.c	5.2 (Berkeley) 10/24/85";
   9: #endif not lint
  10: 
  11: # include   "curses.ext"
  12: 
  13: /*
  14:  *	This routine erases everything on the window.
  15:  *
  16:  */
  17: wclrtobot(win)
  18: reg WINDOW  *win; {
  19: 
  20:     reg int     y;
  21:     reg char    *sp, *end, *maxx;
  22:     reg int     startx, minx;
  23: 
  24:     startx = win->_curx;
  25:     for (y = win->_cury; y < win->_maxy; y++) {
  26:         minx = _NOCHANGE;
  27:         end = &win->_y[y][win->_maxx];
  28:         for (sp = &win->_y[y][startx]; sp < end; sp++)
  29:             if (*sp != ' ') {
  30:                 maxx = sp;
  31:                 if (minx == _NOCHANGE)
  32:                     minx = sp - win->_y[y];
  33:                 *sp = ' ';
  34:             }
  35:         if (minx != _NOCHANGE)
  36:             touchline(win, y, minx, maxx - &win->_y[y][0]);
  37:         startx = 0;
  38:     }
  39: }

Defined functions

Defined variables