1 | /* Linux open syscall implementation, LFS, non-cancellable. |
2 | Copyright (C) 2018-2021 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 <sys/types.h> |
20 | #include <sys/stat.h> |
21 | #include <fcntl.h> |
22 | #include <stdarg.h> |
23 | |
24 | #include <not-cancel.h> |
25 | |
26 | #ifdef __OFF_T_MATCHES_OFF64_T |
27 | # define 0 |
28 | #else |
29 | # define EXTRA_OPEN_FLAGS O_LARGEFILE |
30 | #endif |
31 | |
32 | int |
33 | __open64_nocancel (const char *file, int oflag, ...) |
34 | { |
35 | int mode = 0; |
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 | return INLINE_SYSCALL_CALL (openat, AT_FDCWD, file, oflag | EXTRA_OPEN_FLAGS, |
46 | mode); |
47 | } |
48 | |
49 | hidden_def (__open64_nocancel) |
50 | |
51 | #ifdef __OFF_T_MATCHES_OFF64_T |
52 | strong_alias (__open64_nocancel, __open_nocancel) |
53 | hidden_def (__open_nocancel) |
54 | #endif |
55 | |