Update to 2.1.x development version

[thirdparty/glibc.git] / stdio / fopncook.c

/* Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

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

   The GNU C Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <stdio.h>


/* Defined in fopen.c.  */
extern int __getmode __P ((const char *mode, __io_mode *mptr));

/* Open a new stream on the given magic cookie descriptor.  */
FILE *
fopencookie (cookie, mode, functions)
     void *cookie;
     const char *mode;
     __io_functions functions;
{
  __io_mode m;
  FILE *f;

  if (!__getmode (mode, &m))
    return NULL;

  f = __newstream ();
  if (f == NULL)
    return NULL;

  f->__cookie = cookie;
  f->__mode = m;
  f->__io_funcs = functions;
  f->__room_funcs = __default_room_functions;
  f->__seen = 1;

  return f;
}