1 | /* Linux open syscall implementation, non-LFS. |
2 | Copyright (C) 2017-2021 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either |
9 | version 2.1 of the License, or (at your option) any later version. |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | Lesser General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library. If not, see |
18 | <https://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <sys/types.h> |
21 | #include <sys/stat.h> |
22 | #include <fcntl.h> |
23 | #include <stdarg.h> |
24 | |
25 | #include <sysdep-cancel.h> |
26 | |
27 | #ifndef __OFF_T_MATCHES_OFF64_T |
28 | |
29 | /* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG, |
30 | a third argument is the file protection. */ |
31 | int |
32 | __libc_open (const char *file, int oflag, ...) |
33 | { |
34 | int mode = 0; |
35 | |
36 | if (__OPEN_NEEDS_MODE (oflag)) |
37 | { |
38 | va_list arg; |
39 | va_start (arg, oflag); |
40 | mode = va_arg (arg, int); |
41 | va_end (arg); |
42 | } |
43 | |
44 | return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag, mode); |
45 | } |
46 | libc_hidden_def (__libc_open) |
47 | |
48 | weak_alias (__libc_open, __open) |
49 | libc_hidden_weak (__open) |
50 | weak_alias (__libc_open, open) |
51 | #endif |
52 | |