1 | /* Copyright (C) 1993-2024 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 | /* We need to disable the redirect for __fseeko64 for the alias |
28 | definitions below to work. */ |
29 | #define __fseeko64 __fseeko64_disable |
30 | |
31 | #include "libioP.h" |
32 | #include "stdio.h" |
33 | |
34 | int |
35 | __fseeko (FILE *fp, off_t offset, int whence) |
36 | { |
37 | int result; |
38 | CHECK_FILE (fp, -1); |
39 | _IO_acquire_lock (fp); |
40 | result = _IO_fseek (fp, offset, whence); |
41 | _IO_release_lock (fp); |
42 | return result; |
43 | } |
44 | weak_alias (__fseeko, fseeko) |
45 | |
46 | #ifdef __OFF_T_MATCHES_OFF64_T |
47 | weak_alias (__fseeko, fseeko64) |
48 | # undef __fseeko64 |
49 | strong_alias (__fseeko, __fseeko64) |
50 | libc_hidden_ver (__fseeko, __fseeko64) |
51 | #endif |
52 | |