| 1 | /* Copyright (C) 2011-2021 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. |
| 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 | __statfs (const char *file, struct statfs *buf) |
| 29 | { |
| 30 | struct statfs64 buf64; |
| 31 | int rc = INLINE_SYSCALL_CALL (statfs64, file, sizeof (buf64), &buf64); |
| 32 | if (rc == 0) |
| 33 | { |
| 34 | buf->f_type = buf64.f_type; |
| 35 | buf->f_bsize = buf64.f_bsize; |
| 36 | buf->f_blocks = buf64.f_blocks; |
| 37 | buf->f_bfree = buf64.f_bfree; |
| 38 | buf->f_bavail = buf64.f_bavail; |
| 39 | buf->f_files = buf64.f_files; |
| 40 | buf->f_ffree = buf64.f_ffree; |
| 41 | buf->f_fsid = buf64.f_fsid; |
| 42 | buf->f_namelen = buf64.f_namelen; |
| 43 | buf->f_frsize = buf64.f_frsize; |
| 44 | buf->f_flags = buf64.f_flags; |
| 45 | memcpy (buf->f_spare, buf64.f_spare, sizeof (buf64.f_spare)); |
| 46 | |
| 47 | if ((fsblkcnt_t) buf64.f_blocks != buf64.f_blocks |
| 48 | || (fsblkcnt_t) buf64.f_bfree != buf64.f_bfree |
| 49 | || (fsblkcnt_t) buf64.f_bavail != buf64.f_bavail |
| 50 | || (fsblkcnt_t) buf64.f_files != buf64.f_files |
| 51 | || (fsblkcnt_t) buf64.f_ffree != buf64.f_ffree) |
| 52 | { |
| 53 | __set_errno (EOVERFLOW); |
| 54 | return -1; |
| 55 | } |
| 56 | } |
| 57 | return rc; |
| 58 | } |
| 59 | libc_hidden_def (__statfs) |
| 60 | weak_alias (__statfs, statfs) |
| 61 | #endif |
| 62 | |