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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/posix_fallocate64.c
1 /* Copyright (C) 2007-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
21 extern int __posix_fallocate64_l64 (int fd
, __off64_t offset
, __off64_t len
);
22 #define __posix_fallocate64_l64 static internal_fallocate64
23 #include <sysdeps/posix/posix_fallocate64.c>
24 #undef __posix_fallocate64_l64
26 /* Reserve storage for the data of the file associated with FD. */
28 __posix_fallocate64_l64 (int fd
, __off64_t offset
, __off64_t len
)
30 INTERNAL_SYSCALL_DECL (err
);
31 #ifdef INTERNAL_SYSCALL_TYPES
32 int res
= INTERNAL_SYSCALL_TYPES (fallocate
, err
, 4, int, fd
,
33 int, 0, off_t
, offset
,
36 int res
= INTERNAL_SYSCALL_CALL (fallocate
, err
, fd
, 0,
37 SYSCALL_LL64 (offset
), SYSCALL_LL64 (len
));
39 if (! INTERNAL_SYSCALL_ERROR_P (res
, err
))
41 if (INTERNAL_SYSCALL_ERRNO (res
, err
) != EOPNOTSUPP
)
42 return INTERNAL_SYSCALL_ERRNO (res
, err
);
43 return internal_fallocate64 (fd
, offset
, len
);