1 /* Get filesystem statistics. Linux/alpha.
2 Copyright (C) 1996-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19 #include <sys/statfs.h>
20 #include <sysdep.h>
21 #include <kernel_stat.h>
22
23 /* Return information about the filesystem on which FILE resides. */
24 int
__fstatfs64(int fd,struct statfs64 * buf)25 __fstatfs64 (int fd, struct statfs64 *buf)
26 {
27 int r = INLINE_SYSCALL_CALL (fstatfs64, fd, sizeof (*buf), buf);
28 #if __ASSUME_STATFS64 == 0
29 if (r == -1 && errno == ENOSYS)
30 {
31 struct statfs buf32;
32 if (__fstatfs (fd, &buf32) < 0)
33 return -1;
34
35 buf->f_type = buf32.f_type;
36 buf->f_bsize = buf32.f_bsize;
37 buf->f_blocks = buf32.f_blocks;
38 buf->f_bfree = buf32.f_bfree;
39 buf->f_bavail = buf32.f_bavail;
40 buf->f_files = buf32.f_files;
41 buf->f_ffree = buf32.f_ffree;
42 buf->f_fsid = buf32.f_fsid;
43 buf->f_namelen = buf32.f_namelen;
44 buf->f_frsize = buf32.f_frsize;
45 buf->f_flags = buf32.f_flags;
46 memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
47 }
48 #endif
49 return r;
50 }
51 weak_alias (__fstatfs64, fstatfs64)
52