projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 47b33891 | 1 | /* Return information about the filesystem on which FD resides. |
| b168057a | 2 | Copyright (C) 1996-2015 Free Software Foundation, Inc. |
| 47b33891 RM |
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 | |
| 41bdb6e2 AJ |
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. | |
| 47b33891 RM |
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 | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 47b33891 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 47b33891 RM |
18 | |
| 19 | #include <errno.h> | |
| 47b33891 | 20 | #include <string.h> |
| 08c9a553 UD |
21 | #include <sys/stat.h> |
| 22 | #include <sys/statfs.h> | |
| 23 | #include <sys/statvfs.h> | |
| 6ddd37a4 | 24 | #include <kernel-features.h> |
| 08c9a553 UD |
25 | |
| 26 | ||
| 27 | extern void __internal_statvfs64 (const char *name, struct statvfs64 *buf, | |
| 26b0d2e1 | 28 | struct statfs64 *fsbuf, int fd); |
| 08c9a553 | 29 | |
| 47b33891 RM |
30 | |
| 31 | /* Return information about the filesystem on which FD resides. */ | |
| 32 | int | |
| 87d2f3f0 | 33 | __fstatvfs64 (int fd, struct statvfs64 *buf) |
| 47b33891 | 34 | { |
| 08c9a553 UD |
35 | struct statfs64 fsbuf; |
| 36 | int res = __fstatfs64 (fd, &fsbuf); | |
| 37 | ||
| 38 | #ifndef __ASSUME_STATFS64 | |
| 39 | if (res < 0 && errno == ENOSYS) | |
| 40 | { | |
| 41 | struct statvfs buf32; | |
| 42 | ||
| 43 | res = fstatvfs (fd, &buf32); | |
| 44 | if (res == 0) | |
| 45 | { | |
| 46 | buf->f_bsize = buf32.f_bsize; | |
| 47 | buf->f_frsize = buf32.f_frsize; | |
| 48 | buf->f_blocks = buf32.f_blocks; | |
| 49 | buf->f_bfree = buf32.f_bfree; | |
| 50 | buf->f_bavail = buf32.f_bavail; | |
| 51 | buf->f_files = buf32.f_files; | |
| 52 | buf->f_ffree = buf32.f_ffree; | |
| 53 | buf->f_favail = buf32.f_favail; | |
| 54 | buf->f_fsid = buf32.f_fsid; | |
| 55 | buf->f_flag = buf32.f_flag; | |
| 56 | buf->f_namemax = buf32.f_namemax; | |
| 57 | memcpy (buf->__f_spare, buf32.__f_spare, sizeof (buf32.__f_spare)); | |
| 58 | } | |
| 59 | } | |
| 60 | #endif | |
| 61 | ||
| 62 | if (res == 0) | |
| 26b0d2e1 EW |
63 | /* Convert the result. */ |
| 64 | __internal_statvfs64 (NULL, buf, &fsbuf, fd); | |
| 08c9a553 UD |
65 | |
| 66 | return res; | |
| 47b33891 | 67 | } |
| 87d2f3f0 | 68 | weak_alias (__fstatvfs64, fstatvfs64) |