2.9BSD - /usr/src/lib/curses/insertln.c

   1: # include   "curses.ext"
   2: 
   3: /*
   4:  *	This routine performs an insert-line on the window, leaving
   5:  * (_cury,_curx) unchanged.
   6:  *
   7:  * 4/17/81 (Berkeley) @(#)insertln.c	1.4
   8:  */
   9: winsertln(win)
  10: reg WINDOW  *win; {
  11: 
  12:     reg char    *temp;
  13:     reg int     y;
  14:     reg char    *end;
  15: 
  16:     temp = win->_y[win->_maxy-1];
  17:     win->_firstch[win->_cury] = 0;
  18:     win->_lastch[win->_cury] = win->_maxx - 1;
  19:     for (y = win->_maxy - 1; y > win->_cury; --y) {
  20:         win->_y[y] = win->_y[y-1];
  21:         win->_firstch[y] = 0;
  22:         win->_lastch[y] = win->_maxx - 1;
  23:     }
  24:     for (end = &temp[win->_maxx]; temp < end; )
  25:         *temp++ = ' ';
  26:     win->_y[win->_cury] = temp - win->_maxx;
  27:     if (win->_cury == LINES - 1 && win->_y[LINES-1][COLS-1] != ' ')
  28:         if (win->_scroll) {
  29:             wrefresh(win);
  30:             scroll(win);
  31:             win->_cury--;
  32:         }
  33:         else
  34:             return ERR;
  35:     return OK;
  36: }

Defined functions