about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/posix_fallocate64.c
blob: e576f6f7c6d63b93371ad1645fb51798be7248f2 (plain) (blame)
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
40
41
42
43
44
45
46
/* Copyright (C) 2007-2018 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>

extern int __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len);
libc_hidden_proto (__posix_fallocate64_l64)
#define __posix_fallocate64_l64 static internal_fallocate64
#include <sysdeps/posix/posix_fallocate64.c>
#undef __posix_fallocate64_l64

/* Reserve storage for the data of the file associated with FD.  */
int
__posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len)
{
  INTERNAL_SYSCALL_DECL (err);
#ifdef INTERNAL_SYSCALL_TYPES
  int res = INTERNAL_SYSCALL_TYPES (fallocate, err, 4, int, fd,
                                    int, 0, off_t, offset,
                                    off_t, len);
#else
  int res = INTERNAL_SYSCALL_CALL (fallocate, err, fd, 0,
				   SYSCALL_LL64 (offset), SYSCALL_LL64 (len));
#endif
  if (! INTERNAL_SYSCALL_ERROR_P (res, err))
    return 0;
  if (INTERNAL_SYSCALL_ERRNO (res, err) != EOPNOTSUPP)
    return INTERNAL_SYSCALL_ERRNO (res, err);
  return internal_fallocate64 (fd, offset, len);
}
libc_hidden_def (__posix_fallocate64_l64)