1 /* openat -- Open a file named relative to an open directory. Hurd version.
2 Copyright (C) 2006-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
27 #include <sysdep-cancel.h>
29 /* Open FILE with access OFLAG. Interpret relative paths relative to
30 the directory associated with FD. If O_CREAT or O_TMPFILE is in OFLAG, a
31 third argument is the file protection. */
33 __openat (int fd
, const char *file
, int oflag
, ...)
39 if (__OPEN_NEEDS_MODE (oflag
))
42 va_start (arg
, oflag
);
43 mode
= va_arg (arg
, mode_t
);
49 cancel_oldtype
= LIBC_CANCEL_ASYNC();
50 port
= __file_name_lookup_at (fd
, 0, file
, oflag
, mode
);
51 LIBC_CANCEL_RESET (cancel_oldtype
);
53 if (port
== MACH_PORT_NULL
)
56 return _hurd_intern_fd (port
, oflag
, 1);
58 libc_hidden_def (__openat
)
59 weak_alias (__openat
, openat
)
61 /* openat64 is just the same as openat for us. */
62 weak_alias (__openat
, __openat64
)
63 libc_hidden_weak (__openat64
)
64 weak_alias (__openat
, openat64
)