| evan@chromium.org | 33b7705 | 2010-08-20 09:36:01 +0900 | [diff] [blame] | 1 | // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "base/file_util.h" |
| 6 | |
| 7 | #include "base/file_path.h" |
| 8 | |
| 9 | #include <errno.h> |
| 10 | #include <sys/vfs.h> |
| 11 | |
| 12 | namespace file_util { |
| 13 | |
| 14 | bool GetFileSystemType(const FilePath& path, FileSystemType* type) { |
| 15 | struct statfs statfs_buf; |
| 16 | if (statfs(path.value().c_str(), &statfs_buf) < 0) { |
| 17 | if (errno == ENOENT) |
| 18 | return false; |
| 19 | *type = FILE_SYSTEM_UNKNOWN; |
| 20 | return true; |
| 21 | } |
| 22 | |
| 23 | // While you would think the possible values of f_type would be available |
| 24 | // in a header somewhere, it appears that is not the case. These values |
| 25 | // are copied from the statfs man page. |
| 26 | switch (statfs_buf.f_type) { |
| 27 | case 0: |
| 28 | *type = FILE_SYSTEM_0; |
| 29 | break; |
| 30 | case 0xEF53: // ext2, ext3. |
| 31 | case 0x4D44: // dos |
| 32 | case 0x5346544E: // NFTS |
| 33 | case 0x52654973: // reiser |
| 34 | case 0x58465342: // XFS |
| 35 | case 0x9123683E: // btrfs |
| 36 | case 0x3153464A: // JFS |
| 37 | *type = FILE_SYSTEM_ORDINARY; |
| 38 | break; |
| 39 | case 0x6969: // NFS |
| 40 | *type = FILE_SYSTEM_NFS; |
| 41 | break; |
| 42 | case 0xFF534D42: // CIFS |
| 43 | case 0x517B: // SMB |
| 44 | *type = FILE_SYSTEM_SMB; |
| 45 | break; |
| 46 | case 0x73757245: // Coda |
| 47 | *type = FILE_SYSTEM_CODA; |
| 48 | break; |
| 49 | case 0x858458f6: // ramfs |
| 50 | case 0x01021994: // tmpfs |
| 51 | *type = FILE_SYSTEM_MEMORY; |
| 52 | break; |
| 53 | default: |
| 54 | *type = FILE_SYSTEM_OTHER; |
| 55 | } |
| 56 | return true; |
| 57 | } |
| 58 | |
| 59 | } // namespace |