1 | /* Copyright (C) 2005-2018 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 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <fcntl.h> |
19 | #include <stdarg.h> |
20 | |
21 | #include <sysdep-cancel.h> |
22 | #include <not-cancel.h> |
23 | |
24 | #ifndef __OFF_T_MATCHES_OFF64_T |
25 | |
26 | /* Open FILE with access OFLAG. Interpret relative paths relative to |
27 | the directory associated with FD. If OFLAG includes O_CREAT or |
28 | O_TMPFILE, a fourth argument is the file protection. */ |
29 | int |
30 | __libc_openat (int fd, const char *file, int oflag, ...) |
31 | { |
32 | mode_t mode = 0; |
33 | if (__OPEN_NEEDS_MODE (oflag)) |
34 | { |
35 | va_list arg; |
36 | va_start (arg, oflag); |
37 | mode = va_arg (arg, mode_t); |
38 | va_end (arg); |
39 | } |
40 | |
41 | return SYSCALL_CANCEL (openat, fd, file, oflag, mode); |
42 | } |
43 | weak_alias (__libc_openat, __openat) |
44 | libc_hidden_weak (__openat) |
45 | weak_alias (__libc_openat, openat) |
46 | |
47 | # if !IS_IN (rtld) |
48 | int |
49 | __openat_nocancel (int fd, const char *file, int oflag, ...) |
50 | { |
51 | mode_t mode = 0; |
52 | if (__OPEN_NEEDS_MODE (oflag)) |
53 | { |
54 | va_list arg; |
55 | va_start (arg, oflag); |
56 | mode = va_arg (arg, mode_t); |
57 | va_end (arg); |
58 | } |
59 | |
60 | return INLINE_SYSCALL_CALL (openat, fd, file, oflag, mode); |
61 | } |
62 | # else |
63 | strong_alias (__libc_openat, __openat_nocancel) |
64 | # endif |
65 | libc_hidden_weak (__openat_nocancel) |
66 | #endif |
67 | |