1/* Copyright (C) 1993-2023 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, see
16 <https://www.gnu.org/licenses/>.
17
18 As a special exception, if you link the code in this file with
19 files compiled with a GNU compiler to produce an executable,
20 that does not cause the resulting executable to be covered by
21 the GNU Lesser General Public License. This exception does not
22 however invalidate any other reasons why the executable file
23 might be covered by the GNU Lesser General Public License.
24 This exception applies to code released by its copyright holders
25 in files containing the exception. */
26
27#include <shlib-compat.h>
28#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
29
30#define _IO_USE_OLD_IO_FILE
31#include "libioP.h"
32#include <stdlib.h>
33
34
35FILE *
36attribute_compat_text_section
37_IO_old_fopen (const char *filename, const char *mode)
38{
39 struct locked_FILE
40 {
41 struct _IO_FILE_complete_plus fp;
42#ifdef _IO_MTSAFE_IO
43 _IO_lock_t lock;
44#endif
45 } *new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
46
47 if (new_f == NULL)
48 return NULL;
49#ifdef _IO_MTSAFE_IO
50 new_f->fp.file._file._lock = &new_f->lock;
51#endif
52 _IO_old_init (&new_f->fp.file._file, 0);
53 _IO_JUMPS_FILE_plus (&new_f->fp) = &_IO_old_file_jumps;
54 _IO_old_file_init_internal ((struct _IO_FILE_plus *) &new_f->fp);
55 if (_IO_old_file_fopen ((FILE *) &new_f->fp, filename, mode) != NULL)
56 return (FILE *) &new_f->fp;
57 _IO_un_link ((struct _IO_FILE_plus *) &new_f->fp);
58 free (new_f);
59 return NULL;
60}
61
62strong_alias (_IO_old_fopen, __old_fopen)
63compat_symbol (libc, _IO_old_fopen, _IO_fopen, GLIBC_2_0);
64compat_symbol (libc, __old_fopen, fopen, GLIBC_2_0);
65#endif
66