BSD 4 release

[unix-history] / usr / src / lib / libcurses / deleteln.c

# include       "curses.ext"

/*
*      This routine deletes a line from the screen.  It leaves
* (_cury,_curx) unchanged.
*/
wdeleteln(win)
reg WINDOW      *win; {

       reg char        *temp;
       reg int         y;
       reg char        *end;

       temp = win->_y[win->_cury];
       for (y = win->_cury; y < win->_maxy; y++) {
               win->_y[y] = win->_y[y+1];
               win->_firstch[y] = 0;
               win->_lastch[y] = win->_maxx - 1;
       }
       for (end = &temp[win->_maxx]; temp < end; )
               *temp++ = ' ';
       win->_y[win->_maxy-1] = temp;
       return OK;
}