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1bfbaf71 | 1 | /* Get filesystem statistics. Linux version. |
6d7e8eda | 2 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
1bfbaf71 AZ |
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 <time.h> | |
21 | #include <sysdep.h> | |
22 | #include <kernel_stat.h> | |
23 | ||
24 | #if !STATFS_IS_STATFS64 | |
25 | ||
26 | /* Return information about the filesystem on which FILE resides. */ | |
27 | int | |
28 | __fstatfs (int fd, struct statfs *buf) | |
29 | { | |
30 | struct statfs64 buf64; | |
31 | int rc = INLINE_SYSCALL_CALL (fstatfs64, fd, sizeof (buf64), &buf64); | |
32 | if (rc != 0) | |
33 | return rc; | |
34 | ||
35 | buf->f_type = buf64.f_type; | |
36 | buf->f_bsize = buf64.f_bsize; | |
37 | buf->f_blocks = buf64.f_blocks; | |
38 | buf->f_bfree = buf64.f_bfree; | |
39 | buf->f_bavail = buf64.f_bavail; | |
40 | buf->f_files = buf64.f_files; | |
41 | buf->f_ffree = buf64.f_ffree; | |
42 | buf->f_fsid = buf64.f_fsid; | |
43 | buf->f_namelen = buf64.f_namelen; | |
44 | buf->f_frsize = buf64.f_frsize; | |
45 | buf->f_flags = buf64.f_flags; | |
46 | memcpy (buf->f_spare, buf64.f_spare, sizeof (buf64.f_spare)); | |
47 | ||
48 | if ((fsblkcnt_t) buf64.f_blocks != buf64.f_blocks | |
49 | || (fsblkcnt_t) buf64.f_bfree != buf64.f_bfree | |
50 | || (fsblkcnt_t) buf64.f_bavail != buf64.f_bavail | |
51 | || (fsblkcnt_t) buf64.f_files != buf64.f_files | |
52 | || (fsblkcnt_t) buf64.f_ffree != buf64.f_ffree) | |
53 | { | |
54 | __set_errno (EOVERFLOW); | |
55 | return -1; | |
56 | } | |
57 | ||
58 | return 0; | |
59 | } | |
60 | libc_hidden_def (__fstatfs) | |
61 | weak_alias (__fstatfs, fstatfs) | |
62 | #endif |