1/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
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.
8
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.
13
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 <https://www.gnu.org/licenses/>. */
17
18#include <fcntl.h>
19#include <sysdep.h>
20
21#define posix_fallocate static internal_fallocate
22#include <sysdeps/posix/posix_fallocate.c>
23#undef posix_fallocate
24
25/* Reserve storage for the data of the file associated with FD. */
26int
27posix_fallocate (int fd, __off_t offset, __off_t len)
28{
29 int res = INTERNAL_SYSCALL_CALL (fallocate, fd, 0,
30 SYSCALL_LL (offset), SYSCALL_LL (len));
31 if (! INTERNAL_SYSCALL_ERROR_P (res))
32 return 0;
33 if (INTERNAL_SYSCALL_ERRNO (res) != EOPNOTSUPP)
34 return INTERNAL_SYSCALL_ERRNO (res);
35 return internal_fallocate (fd, offset, len);
36}
37