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f7a9f785 | 1 | /* Copyright (C) 2005-2016 Free Software Foundation, Inc. |
4973cbe5 UD |
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 | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
4973cbe5 UD |
17 | |
18 | #include <errno.h> | |
19 | #include <fcntl.h> | |
20 | #include <stdarg.h> | |
21 | #include <stddef.h> | |
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | #include <sys/stat.h> | |
25 | #include <sysdep-cancel.h> | |
d369ad76 | 26 | #include <not-cancel.h> |
4973cbe5 UD |
27 | |
28 | ||
3997b7c4 | 29 | #ifndef OPENAT |
4973cbe5 | 30 | # define OPENAT openat |
4973cbe5 UD |
31 | #endif |
32 | ||
e2c7e1de RM |
33 | #define UNDERIZE(name) UNDERIZE_1 (name) |
34 | #define UNDERIZE_1(name) __##name | |
35 | #define __OPENAT UNDERIZE (OPENAT) | |
36 | ||
d369ad76 UD |
37 | |
38 | /* Open FILE with access OFLAG. Interpret relative paths relative to | |
65f6f938 ER |
39 | the directory associated with FD. If OFLAG includes O_CREAT or |
40 | O_TMPFILE, a fourth argument is the file protection. */ | |
d369ad76 | 41 | int |
14bb4e57 | 42 | __OPENAT (int fd, const char *file, int oflag, ...) |
d369ad76 UD |
43 | { |
44 | mode_t mode = 0; | |
65f6f938 | 45 | if (__OPEN_NEEDS_MODE (oflag)) |
d369ad76 UD |
46 | { |
47 | va_list arg; | |
48 | va_start (arg, oflag); | |
49 | mode = va_arg (arg, mode_t); | |
50 | va_end (arg); | |
51 | } | |
52 | ||
eb32b0d4 AS |
53 | /* We have to add the O_LARGEFILE flag for openat64. */ |
54 | #ifdef MORE_OFLAGS | |
55 | oflag |= MORE_OFLAGS; | |
56 | #endif | |
57 | ||
c6bb095e | 58 | return SYSCALL_CANCEL (openat, fd, file, oflag, mode); |
d369ad76 | 59 | } |
e2c7e1de RM |
60 | libc_hidden_def (__OPENAT) |
61 | weak_alias (__OPENAT, OPENAT) |