2.11BSD#431 - /usr/src/usr.lib/libcurses/insertln.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #if !defined(lint) && !defined(NOSCCS)
   8: static char sccsid[] = "@(#)insertln.c	5.1 (Berkeley) 6/7/85";
   9: #endif
  10: 
  11: # include   "curses.ext"
  12: 
  13: /*
  14:  *	This routine performs an insert-line on the window, leaving
  15:  * (_cury,_curx) unchanged.
  16:  *
  17:  */
  18: winsertln(win)
  19: reg WINDOW  *win; {
  20: 
  21:     reg char    *temp;
  22:     reg int     y;
  23:     reg char    *end;
  24:     reg int     x;
  25: 
  26: #ifdef  DEBUG
  27:     fprintf(outf, "INSERTLN(%0.2o)\n", win);
  28: #endif
  29:     if (win->_orig == NULL)
  30:         temp = win->_y[win->_maxy - 1];
  31:     for (y = win->_maxy - 1; y > win->_cury; --y) {
  32:         if (win->_orig == NULL)
  33:             win->_y[y] = win->_y[y - 1];
  34:         else
  35:             bcopy(win->_y[y - 1], win->_y[y], win->_maxx);
  36:         touchline(win, y, 0, win->_maxx - 1);
  37:     }
  38:     if (win->_orig == NULL)
  39:         win->_y[y] = temp;
  40:     else
  41:         temp = win->_y[y];
  42:     for (end = &temp[win->_maxx]; temp < end; )
  43:         *temp++ = ' ';
  44:     touchline(win, y, 0, win->_maxx - 1);
  45:     if (win->_orig == NULL)
  46:         _id_subwins(win);
  47: }

Defined functions

Defined variables