1 /* Linux open syscall implementation, non-LFS.
2 Copyright (C) 2017-2022 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 <sysdep-cancel.h>
25
26 #ifndef __OFF_T_MATCHES_OFF64_T
27
28 /* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG,
29 a third argument is the file protection. */
30 int
__libc_open(const char * file,int oflag,...)31 __libc_open (const char *file, int oflag, ...)
32 {
33 int mode = 0;
34
35 if (__OPEN_NEEDS_MODE (oflag))
36 {
37 va_list arg;
38 va_start (arg, oflag);
39 mode = va_arg (arg, int);
40 va_end (arg);
41 }
42
43 return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag, mode);
44 }
45 libc_hidden_def (__libc_open)
46
47 weak_alias (__libc_open, __open)
48 libc_hidden_weak (__open)
49 weak_alias (__libc_open, open)
50 #endif
51