1/* Copyright (C) 1991-2022 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#include <errno.h>
19#include <fcntl.h>
20#include <stdarg.h>
21#include <stddef.h>
22#include <stdio.h>
23
24/* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG,
25 a third argument is the file protection. */
26int
27__libc_open64 (const char *file, int oflag)
28{
29 int mode;
30
31 if (file == NULL)
32 {
33 __set_errno (EINVAL);
34 return -1;
35 }
36
37 if (__OPEN_NEEDS_MODE (oflag))
38 {
39 va_list arg;
40 va_start (arg, oflag);
41 mode = va_arg (arg, int);
42 va_end (arg);
43 }
44
45 __set_errno (ENOSYS);
46 return -1;
47}
48strong_alias (__libc_open64, __open64)
49libc_hidden_def (__open64)
50weak_alias (__libc_open64, open64)
51
52stub_warning (open64)
53
54/* __open64_2 is a generic wrapper that calls __open64.
55 So give a stub warning for that symbol too. */
56stub_warning (__open64_2)
57

source code of glibc/io/open64.c