1/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
2   This file is part of the GNU IO Library.
3
4   This library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU General Public License as
6   published by the Free Software Foundation; either version 2, or (at
7   your option) any later version.
8
9   This library is distributed in the hope that it will be useful, but
10   WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this library; see the file COPYING.  If not, write to
16   the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
17   MA 02111-1307, USA.
18
19   As a special exception, if you link this library with files
20   compiled with a GNU compiler to produce an executable, this does
21   not cause the resulting executable to be covered by the GNU General
22   Public License.  This exception does not however invalidate any
23   other reasons why the executable file might be covered by the GNU
24   General Public License.  */
25
26#include "libioP.h"
27#ifdef __STDC__
28#include <stdlib.h>
29#endif
30
31_IO_FILE *
32_IO_fopen (filename, mode)
33     const char *filename;
34     const char *mode;
35{
36  struct locked_FILE
37  {
38    struct _IO_FILE_plus fp;
39#ifdef _IO_MTSAFE_IO
40    _IO_lock_t lock;
41#endif
42  } *new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
43
44  if (new_f == NULL)
45    return NULL;
46#ifdef _IO_MTSAFE_IO
47  new_f->fp.file._lock = &new_f->lock;
48#endif
49  _IO_init (&new_f->fp.file, 0);
50  _IO_JUMPS (&new_f->fp.file) = &_IO_file_jumps;
51  _IO_file_init (&new_f->fp.file);
52#if  !_IO_UNIFIED_JUMPTABLES
53  new_f->fp.vtable = NULL;
54#endif
55  if (_IO_file_fopen (&new_f->fp.file, filename, mode) != NULL)
56        return (_IO_FILE *) &new_f->fp;
57  _IO_un_link (&new_f->fp.file);
58  free (new_f);
59  return NULL;
60}
61
62#ifdef weak_alias
63weak_alias (_IO_fopen, fopen)
64#endif
65