lib/curses/wclrtoeol.c

   1 #include <curses.h>
   2 #include "curspriv.h"
   3
   4 /****************************************************************/
   5 /* Wclrtoeol() fills the half of the cursor line to the right   */
   6 /* Of the cursor in window 'win' with blanks.                   */
   7 /****************************************************************/
   8
   9 int wclrtoeol(win)
  10 WINDOW *win;
  11 {
  12   int *maxx, *ptr, *end, y, x, minx, blank;
  13
  14   y = win->_cury;
  15   x = win->_curx;
  16   blank = ' ' | (win->_attrs & ATR_MSK);
  17
  18   end = &win->_line[y][win->_maxx];
  19   minx = _NO_CHANGE;
  20   maxx = &win->_line[y][x];
  21   for (ptr = maxx; ptr <= end; ptr++) {
  22         if (*ptr != blank) {
  23                 maxx = ptr;
  24                 if (minx == _NO_CHANGE) minx = ptr - win->_line[y];
  25                 *ptr = blank;
  26         }                       /* if */
  27   }                             /* for */
  28
  29   if (minx != _NO_CHANGE) {
  30         if (win->_minchng[y] > minx || win->_minchng[y] == _NO_CHANGE)
  31                 win->_minchng[y] = minx;
  32         if (win->_maxchng[y] < maxx - win->_line[y])
  33                 win->_maxchng[y] = maxx - win->_line[y];
  34   }
  35   return(OK);
  36 }