1 | /* Open a file by name. Stub version. |
2 | Copyright (C) 1991-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <errno.h> |
20 | #include <fcntl.h> |
21 | #include <stdarg.h> |
22 | #include <stddef.h> |
23 | #include <stdio.h> |
24 | |
25 | |
26 | /* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG, |
27 | a third argument is the file protection. */ |
28 | int |
29 | __libc_open (const char *file, int oflag) |
30 | { |
31 | int mode; |
32 | |
33 | if (file == NULL) |
34 | { |
35 | __set_errno (EINVAL); |
36 | return -1; |
37 | } |
38 | |
39 | if (__OPEN_NEEDS_MODE (oflag)) |
40 | { |
41 | va_list arg; |
42 | va_start(arg, oflag); |
43 | mode = va_arg(arg, int); |
44 | va_end(arg); |
45 | } |
46 | |
47 | __set_errno (ENOSYS); |
48 | return -1; |
49 | } |
50 | libc_hidden_def (__libc_open) |
51 | weak_alias (__libc_open, __open) |
52 | libc_hidden_weak (__open) |
53 | weak_alias (__libc_open, open) |
54 | |
55 | stub_warning (open) |
56 | |
57 | /* __open_2 is a generic wrapper that calls __open. |
58 | So give a stub warning for that symbol too. */ |
59 | stub_warning (__open_2) |
60 | |