1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* Copyright (C) 2007-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <fcntl.h>
#include <sysdep.h>
#define posix_fallocate static internal_fallocate
#include <sysdeps/posix/posix_fallocate.c>
#undef posix_fallocate
/* Reserve storage for the data of the file associated with FD. */
int
posix_fallocate (int fd, __off_t offset, __off_t len)
{
INTERNAL_SYSCALL_DECL (err);
int res = INTERNAL_SYSCALL (fallocate, err, 6, fd, 0,
__LONG_LONG_PAIR (offset >> 31, offset),
__LONG_LONG_PAIR (len >> 31, len));
if (! INTERNAL_SYSCALL_ERROR_P (res, err))
return 0;
if (INTERNAL_SYSCALL_ERRNO (res, err) != EOPNOTSUPP)
return INTERNAL_SYSCALL_ERRNO (res, err);
return internal_fallocate (fd, offset, len);
}
|
