Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 1 | /* $Id: bsd-statvfs.c,v 1.2 2014/01/17 07:10:59 dtucker Exp $ */ |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 2 | |
| 3 | /* |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 4 | * Copyright (c) 2008,2014 Darren Tucker <dtucker@zip.com.au> |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [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 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 21 | #if !defined(HAVE_STATVFS) || !defined(HAVE_FSTATVFS) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 22 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 23 | #include <sys/param.h> |
| 24 | #ifdef HAVE_SYS_MOUNT_H |
| 25 | # include <sys/mount.h> |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 26 | #endif |
| 27 | |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 28 | #if defined(ANDROID) |
| 29 | #include <sys/vfs.h> |
| 30 | #include <string.h> |
| 31 | #define MNAMELEN PATH_MAX |
| 32 | #endif |
| 33 | |
| 34 | #include <errno.h> |
| 35 | |
| 36 | static void |
| 37 | copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from) |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 38 | { |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 39 | to->f_bsize = from->f_bsize; |
| 40 | to->f_frsize = from->f_bsize; /* no exact equivalent */ |
| 41 | to->f_blocks = from->f_blocks; |
| 42 | to->f_bfree = from->f_bfree; |
| 43 | to->f_bavail = from->f_bavail; |
| 44 | to->f_files = from->f_files; |
| 45 | to->f_ffree = from->f_ffree; |
| 46 | to->f_favail = from->f_ffree; /* no exact equivalent */ |
| 47 | to->f_fsid = 0; /* XXX fix me */ |
| 48 | #if GCE_PLATFORM_SDK_VERSION >= 19 |
| 49 | to->f_flag = from->f_flags; |
| 50 | #else |
| 51 | to->f_flag = from->f_spare[0]; |
| 52 | #endif |
| 53 | to->f_namemax = MNAMELEN; |
| 54 | } |
| 55 | |
| 56 | # ifndef HAVE_STATVFS |
| 57 | int statvfs(const char *path, struct statvfs *buf) |
| 58 | { |
| 59 | # ifdef HAVE_STATFS |
| 60 | struct statfs fs; |
| 61 | |
| 62 | memset(&fs, 0, sizeof(fs)); |
| 63 | if (statfs(path, &fs) == -1) |
| 64 | return -1; |
| 65 | copy_statfs_to_statvfs(buf, &fs); |
| 66 | return 0; |
| 67 | # else |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 68 | errno = ENOSYS; |
| 69 | return -1; |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 70 | # endif |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 71 | } |
Adam Langley | d059297 | 2015-03-30 14:49:51 -0700 | [diff] [blame] | 72 | # endif |
| 73 | |
| 74 | # ifndef HAVE_FSTATVFS |
| 75 | int fstatvfs(int fd, struct statvfs *buf) |
| 76 | { |
| 77 | # ifdef HAVE_FSTATFS |
| 78 | struct statfs fs; |
| 79 | |
| 80 | memset(&fs, 0, sizeof(fs)); |
| 81 | if (fstatfs(fd, &fs) == -1) |
| 82 | return -1; |
| 83 | copy_statfs_to_statvfs(buf, &fs); |
| 84 | return 0; |
| 85 | # else |
| 86 | errno = ENOSYS; |
| 87 | return -1; |
| 88 | # endif |
| 89 | } |
| 90 | # endif |
| 91 | |
Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 92 | #endif |