/* Implement Input/Output runtime actions for CHILL.
   Copyright (C) 1992,1993 Free Software Foundation, Inc.
   Author: Wilfried Moser, et al

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "fileio.h"

Boolean
__existing( Association_Mode* the_assoc, char* file, int line )
{
  if( !the_assoc )
    CHILLEXCEPTION( file, line, EMPTY, NULL_ASSOCIATION );
  if( !TEST_FLAG(the_assoc, IO_ISASSOCIATED) )
    CHILLEXCEPTION( file, line, NOTASSOCIATED, IS_NOT_ASSOCIATED );
  return TEST_FLAG(the_assoc, IO_EXISTING ) ? True : False;
}