1/* Copyright (C) 1993,1995,1997-2001,2002 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, write to the Free
16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17   02111-1307 USA.
18
19   As a special exception, if you link the code in this file with
20   files compiled with a GNU compiler to produce an executable,
21   that does not cause the resulting executable to be covered by
22   the GNU Lesser General Public License.  This exception does not
23   however invalidate any other reasons why the executable file
24   might be covered by the GNU Lesser General Public License.
25   This exception applies to code released by its copyright holders
26   in files containing the exception.  */
27
28#include "libioP.h"
29#ifdef __STDC__
30#include <stdlib.h>
31#endif
32#if _LIBC
33# include "../iconv/gconv_int.h"
34# include <shlib-compat.h>
35#else
36# define SHLIB_COMPAT(a, b, c) 0
37# define _IO_new_fclose fclose
38#endif
39
40int
41_IO_new_fclose (fp)
42     _IO_FILE *fp;
43{
44  int status;
45
46  if (fp == NULL)
47    return -1;
48
49  CHECK_FILE(fp, EOF);
50
51#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
52  /* We desperately try to help programs which are using streams in a
53     strange way and mix old and new functions.  Detect old streams
54     here.  */
55  if (fp->_vtable_offset != 0)
56    return _IO_old_fclose (fp);
57#endif
58
59  /* First unlink the stream.  */
60  if (fp->_IO_file_flags & _IO_IS_FILEBUF)
61    INTUSE(_IO_un_link) ((struct _IO_FILE_plus *) fp);
62
63  _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
64  _IO_flockfile (fp);
65  if (fp->_IO_file_flags & _IO_IS_FILEBUF)
66    status = INTUSE(_IO_file_close_it) (fp);
67  else
68    status = fp->_flags & _IO_ERR_SEEN ? -1 : 0;
69  _IO_FINISH (fp);
70  _IO_funlockfile (fp);
71  _IO_cleanup_region_end (0);
72  if (fp->_mode > 0)
73    {
74#if 0
75#if _LIBC
76      /* This stream has a wide orientation.  This means we have to free
77	 the conversion functions.  */
78      struct _IO_codecvt *cc = fp->_codecvt;
79
80      __gconv_release_step (cc->__cd_in.__cd.__steps);
81      __gconv_release_step (cc->__cd_out.__cd.__steps);
82#endif
83#endif
84    }
85  else
86    {
87      if (_IO_have_backup (fp))
88	INTUSE(_IO_free_backup_area) (fp);
89    }
90  if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr)
91    {
92      fp->_IO_file_flags = 0;
93      free(fp);
94    }
95
96  return status;
97}
98
99#ifdef _LIBC
100versioned_symbol (libc, _IO_new_fclose, _IO_fclose, GLIBC_2_1);
101strong_alias (_IO_new_fclose, __new_fclose)
102versioned_symbol (libc, __new_fclose, fclose, GLIBC_2_1);
103#endif
104