lib/curses/wdelch.c

   1 #include <curses.h>
   2 #include "curspriv.h"
   3
   4 /* Wdelch() deletes the character at the window cursor, and the
   5    characters to the right of it are shifted left, inserting a
   6    space at the last position of the line.
   7 */
   8
   9 int wdelch(win)
  10 WINDOW *win;
  11 {
  12   int *temp1;
  13   int *temp2;
  14   int *end;
  15   int y = win->_cury;
  16   int x = win->_curx;
  17   int maxx = win->_maxx;
  18
  19   end = &win->_line[y][maxx];
  20   temp1 = &win->_line[y][x];
  21   temp2 = temp1 + 1;
  22   while (temp1 < end) *temp1++ = *temp2++;
  23   *temp1 = ' ' | (win->_attrs & ATR_MSK);
  24   win->_maxchng[y] = maxx;
  25   if (win->_minchng[y] == _NO_CHANGE || win->_minchng[y] > x)
  26         win->_minchng[y] = x;
  27   return(OK);
  28 }