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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/mach/hurd/dirfd.c
1 /* dirfd -- Return the file descriptor used by a DIR stream. Hurd version.
2 Copyright (C) 1995-2024 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/>. */
20 #include <dirstream.h>
31 __mutex_lock (&_hurd_dtable_lock
);
32 for (fd
= 0; fd
< _hurd_dtablesize
; ++fd
)
33 if (_hurd_dtable
[fd
] == dirp
->__fd
)
35 if (fd
== _hurd_dtablesize
)
36 fd
= __hurd_fail (EINVAL
);
37 __mutex_unlock (&_hurd_dtable_lock
);
43 weak_alias (__dirfd
, dirfd
)
44 libc_hidden_def (dirfd
)