lib/libncurses/lib_delch.c

   1
   2 /* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for   *
   3 *  details. If they are missing then this copy is in violation of    *
   4 *  the copyright conditions.                                        */
   5
   6 /*
   7 **      lib_delch.c
   8 **
   9 **      The routine wdelch().
  10 **
  11 */
  12
  13 #include "curses.priv.h"
  14 #include "terminfo.h"
  15
  16 int wdelch(WINDOW *win)
  17 {
  18 chtype  *temp1, *temp2;
  19 chtype  *end;
  20 chtype  blank = _nc_background(win);
  21
  22         T(("wdelch(%x) called", win));
  23
  24         end = &win->_line[win->_cury][win->_maxx];
  25         temp2 = &win->_line[win->_cury][win->_curx + 1];
  26         temp1 = temp2 - 1;
  27
  28         while (temp1 < end)
  29             *temp1++ = *temp2++;
  30
  31         *temp1 = blank;
  32
  33         win->_lastchar[win->_cury] = win->_maxx;
  34
  35         if (win->_firstchar[win->_cury] == _NOCHANGE
  36                                    || win->_firstchar[win->_cury] > win->_curx)
  37             win->_firstchar[win->_cury] = win->_curx;
  38         return OK;
  39 }