1 | /* Copyright (C) 2011-2023 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 <sys/statfs.h> |
19 | #include <time.h> |
20 | #include <sysdep.h> |
21 | #include <kernel_stat.h> |
22 | |
23 | #if !STATFS_IS_STATFS64 |
24 | |
25 | /* Return information about the filesystem on which FILE resides. */ |
26 | int |
27 | __statfs (const char *file, struct statfs *buf) |
28 | { |
29 | struct statfs64 buf64; |
30 | int rc = INLINE_SYSCALL_CALL (statfs64, file, sizeof (buf64), &buf64); |
31 | if (rc == 0) |
32 | { |
33 | buf->f_type = buf64.f_type; |
34 | buf->f_bsize = buf64.f_bsize; |
35 | buf->f_blocks = buf64.f_blocks; |
36 | buf->f_bfree = buf64.f_bfree; |
37 | buf->f_bavail = buf64.f_bavail; |
38 | buf->f_files = buf64.f_files; |
39 | buf->f_ffree = buf64.f_ffree; |
40 | buf->f_fsid = buf64.f_fsid; |
41 | buf->f_namelen = buf64.f_namelen; |
42 | buf->f_frsize = buf64.f_frsize; |
43 | buf->f_flags = buf64.f_flags; |
44 | memcpy (buf->f_spare, buf64.f_spare, sizeof (buf64.f_spare)); |
45 | |
46 | if ((fsblkcnt_t) buf64.f_blocks != buf64.f_blocks |
47 | || (fsblkcnt_t) buf64.f_bfree != buf64.f_bfree |
48 | || (fsblkcnt_t) buf64.f_bavail != buf64.f_bavail |
49 | || (fsblkcnt_t) buf64.f_files != buf64.f_files |
50 | || (fsblkcnt_t) buf64.f_ffree != buf64.f_ffree) |
51 | { |
52 | __set_errno (EOVERFLOW); |
53 | return -1; |
54 | } |
55 | } |
56 | return rc; |
57 | } |
58 | libc_hidden_def (__statfs) |
59 | weak_alias (__statfs, statfs) |
60 | #endif |
61 | |