Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 1 | /* $Id: bsd-statvfs.c,v 1.2 2014/01/17 07:10:59 dtucker Exp $ */ |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 2 | |
| 3 | /* |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 4 | * Copyright (c) 2008,2014 Darren Tucker <dtucker@zip.com.au> |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 5 | * |
| 6 | * Permission to use, copy, modify, and distribute this software for any |
| 7 | * purpose with or without fee is hereby granted, provided that the above |
| 8 | * copyright notice and this permission notice appear in all copies. |
| 9 | * |
| 10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 14 | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
| 15 | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
| 16 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
| 19 | #include "includes.h" |
| 20 | |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 21 | #if !defined(HAVE_STATVFS) || !defined(HAVE_FSTATVFS) |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 22 | |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 23 | #include <sys/param.h> |
| 24 | #ifdef HAVE_SYS_MOUNT_H |
| 25 | # include <sys/mount.h> |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 26 | #endif |
| 27 | |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 28 | #include <errno.h> |
| 29 | |
| 30 | static void |
| 31 | copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from) |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 32 | { |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 33 | to->f_bsize = from->f_bsize; |
| 34 | to->f_frsize = from->f_bsize; /* no exact equivalent */ |
| 35 | to->f_blocks = from->f_blocks; |
| 36 | to->f_bfree = from->f_bfree; |
| 37 | to->f_bavail = from->f_bavail; |
| 38 | to->f_files = from->f_files; |
| 39 | to->f_ffree = from->f_ffree; |
| 40 | to->f_favail = from->f_ffree; /* no exact equivalent */ |
| 41 | to->f_fsid = 0; /* XXX fix me */ |
| 42 | to->f_flag = from->f_flags; |
| 43 | to->f_namemax = MNAMELEN; |
| 44 | } |
| 45 | |
| 46 | # ifndef HAVE_STATVFS |
| 47 | int statvfs(const char *path, struct statvfs *buf) |
| 48 | { |
| 49 | # ifdef HAVE_STATFS |
| 50 | struct statfs fs; |
| 51 | |
| 52 | memset(&fs, 0, sizeof(fs)); |
| 53 | if (statfs(path, &fs) == -1) |
| 54 | return -1; |
| 55 | copy_statfs_to_statvfs(buf, &fs); |
| 56 | return 0; |
| 57 | # else |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 58 | errno = ENOSYS; |
| 59 | return -1; |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 60 | # endif |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 61 | } |
Darren Tucker | a5cf1e2 | 2014-01-17 18:10:58 +1100 | [diff] [blame] | 62 | # endif |
| 63 | |
| 64 | # ifndef HAVE_FSTATVFS |
| 65 | int fstatvfs(int fd, struct statvfs *buf) |
| 66 | { |
| 67 | # ifdef HAVE_FSTATFS |
| 68 | struct statfs fs; |
| 69 | |
| 70 | memset(&fs, 0, sizeof(fs)); |
| 71 | if (fstatfs(fd, &fs) == -1) |
| 72 | return -1; |
| 73 | copy_statfs_to_statvfs(buf, &fs); |
| 74 | return 0; |
| 75 | # else |
| 76 | errno = ENOSYS; |
| 77 | return -1; |
| 78 | # endif |
| 79 | } |
| 80 | # endif |
| 81 | |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 82 | #endif |