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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/file_util.h" | 5 #include "base/file_util.h" |
6 | 6 |
| 7 #include <errno.h> |
| 8 #include <linux/magic.h> |
| 9 #include <sys/vfs.h> |
| 10 |
7 #include "base/files/file_path.h" | 11 #include "base/files/file_path.h" |
8 | 12 |
9 #include <errno.h> | |
10 #include <sys/vfs.h> | |
11 | |
12 namespace file_util { | 13 namespace file_util { |
13 | 14 |
14 bool GetFileSystemType(const base::FilePath& path, FileSystemType* type) { | 15 bool GetFileSystemType(const base::FilePath& path, FileSystemType* type) { |
15 struct statfs statfs_buf; | 16 struct statfs statfs_buf; |
16 if (statfs(path.value().c_str(), &statfs_buf) < 0) { | 17 if (statfs(path.value().c_str(), &statfs_buf) < 0) { |
17 if (errno == ENOENT) | 18 if (errno == ENOENT) |
18 return false; | 19 return false; |
19 *type = FILE_SYSTEM_UNKNOWN; | 20 *type = FILE_SYSTEM_UNKNOWN; |
20 return true; | 21 return true; |
21 } | 22 } |
22 | 23 |
23 // While you would think the possible values of f_type would be available | 24 // Not all possible |statfs_buf.f_type| values are in linux/magic.h. |
24 // in a header somewhere, it appears that is not the case. These values | 25 // Missing values are copied from the statfs man page. |
25 // are copied from the statfs man page. | |
26 switch (statfs_buf.f_type) { | 26 switch (statfs_buf.f_type) { |
27 case 0: | 27 case 0: |
28 *type = FILE_SYSTEM_0; | 28 *type = FILE_SYSTEM_0; |
29 break; | 29 break; |
30 case 0xEF53: // ext2, ext3. | 30 case EXT2_SUPER_MAGIC: // Also ext3 and ext4 |
31 case 0x4D44: // dos | 31 case MSDOS_SUPER_MAGIC: |
32 case 0x5346544E: // NFTS | 32 case REISERFS_SUPER_MAGIC: |
33 case 0x52654973: // reiser | 33 case BTRFS_SUPER_MAGIC: |
| 34 case 0x5346544E: // NTFS |
34 case 0x58465342: // XFS | 35 case 0x58465342: // XFS |
35 case 0x9123683E: // btrfs | |
36 case 0x3153464A: // JFS | 36 case 0x3153464A: // JFS |
37 *type = FILE_SYSTEM_ORDINARY; | 37 *type = FILE_SYSTEM_ORDINARY; |
38 break; | 38 break; |
39 case 0x6969: // NFS | 39 case NFS_SUPER_MAGIC: |
40 *type = FILE_SYSTEM_NFS; | 40 *type = FILE_SYSTEM_NFS; |
41 break; | 41 break; |
| 42 case SMB_SUPER_MAGIC: |
42 case 0xFF534D42: // CIFS | 43 case 0xFF534D42: // CIFS |
43 case 0x517B: // SMB | |
44 *type = FILE_SYSTEM_SMB; | 44 *type = FILE_SYSTEM_SMB; |
45 break; | 45 break; |
46 case 0x73757245: // Coda | 46 case CODA_SUPER_MAGIC: |
47 *type = FILE_SYSTEM_CODA; | 47 *type = FILE_SYSTEM_CODA; |
48 break; | 48 break; |
49 case 0x858458f6: // ramfs | 49 case HUGETLBFS_MAGIC: // AKA ramfs |
50 case 0x01021994: // tmpfs | 50 case TMPFS_MAGIC: |
51 *type = FILE_SYSTEM_MEMORY; | 51 *type = FILE_SYSTEM_MEMORY; |
52 break; | 52 break; |
53 case 0x27e0eb: // CGROUP | 53 case CGROUP_SUPER_MAGIC: |
54 *type = FILE_SYSTEM_CGROUP; | 54 *type = FILE_SYSTEM_CGROUP; |
55 break; | 55 break; |
56 default: | 56 default: |
57 *type = FILE_SYSTEM_OTHER; | 57 *type = FILE_SYSTEM_OTHER; |
58 } | 58 } |
59 return true; | 59 return true; |
60 } | 60 } |
61 | 61 |
62 } // namespace | 62 } // namespace file_util |
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