1/* Linux open syscall implementation, LFS.
2 Copyright (C) 1991-2023 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#include <sysdep-cancel.h>
24#include <shlib-compat.h>
25
26/* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG,
27 a third argument is the file protection. */
28int
29__libc_open64 (const char *file, int oflag, ...)
30{
31 int mode = 0;
32
33 if (__OPEN_NEEDS_MODE (oflag))
34 {
35 va_list arg;
36 va_start (arg, oflag);
37 mode = va_arg (arg, int);
38 va_end (arg);
39 }
40
41 return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag | O_LARGEFILE,
42 mode);
43}
44
45strong_alias (__libc_open64, __open64)
46libc_hidden_weak (__open64)
47weak_alias (__libc_open64, open64)
48
49#ifdef __OFF_T_MATCHES_OFF64_T
50strong_alias (__libc_open64, __libc_open)
51strong_alias (__libc_open64, __open)
52libc_hidden_weak (__open)
53weak_alias (__libc_open64, open)
54#endif
55
56#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_2)
57compat_symbol (libc, __libc_open64, open64, GLIBC_2_2);
58#endif
59