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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/file_util.h" | |
| 6 | |
| 7 #include <errno.h> | |
| 8 #include <linux/magic.h> | |
| 9 #include <sys/vfs.h> | |
| 10 | |
| 11 #include "base/files/file_path.h" | |
| 12 | |
| 13 // Make sure some of the newer macros from magic.h are defined. | |
| 14 // TODO(mostynb@opera.com): remove this after 2014. | |
| 15 #ifndef BTRFS_SUPER_MAGIC | |
| 16 #define BTRFS_SUPER_MAGIC 0x9123683E | |
| 17 #endif | |
| 18 #ifndef HUGETLBFS_MAGIC | |
| 19 #define HUGETLBFS_MAGIC 0x958458f6 | |
| 20 #endif | |
| 21 #ifndef RAMFS_MAGIC | |
| 22 #define RAMFS_MAGIC 0x858458f6 | |
| 23 #endif | |
| 24 #ifndef TMPFS_MAGIC | |
| 25 #define TMPFS_MAGIC 0x01021994 | |
| 26 #endif | |
| 27 | |
| 28 namespace base { | |
| 29 | |
| 30 bool GetFileSystemType(const FilePath& path, FileSystemType* type) { | |
| 31 struct statfs statfs_buf; | |
| 32 if (statfs(path.value().c_str(), &statfs_buf) < 0) { | |
| 33 if (errno == ENOENT) | |
| 34 return false; | |
| 35 *type = FILE_SYSTEM_UNKNOWN; | |
| 36 return true; | |
| 37 } | |
| 38 | |
| 39 // Not all possible |statfs_buf.f_type| values are in linux/magic.h. | |
| 40 // Missing values are copied from the statfs man page. | |
| 41 switch (statfs_buf.f_type) { | |
| 42 case 0: | |
| 43 *type = FILE_SYSTEM_0; | |
| 44 break; | |
| 45 case EXT2_SUPER_MAGIC: // Also ext3 and ext4 | |
| 46 case MSDOS_SUPER_MAGIC: | |
| 47 case REISERFS_SUPER_MAGIC: | |
| 48 case BTRFS_SUPER_MAGIC: | |
| 49 case 0x5346544E: // NTFS | |
| 50 case 0x58465342: // XFS | |
| 51 case 0x3153464A: // JFS | |
| 52 *type = FILE_SYSTEM_ORDINARY; | |
| 53 break; | |
| 54 case NFS_SUPER_MAGIC: | |
| 55 *type = FILE_SYSTEM_NFS; | |
| 56 break; | |
| 57 case SMB_SUPER_MAGIC: | |
| 58 case 0xFF534D42: // CIFS | |
| 59 *type = FILE_SYSTEM_SMB; | |
| 60 break; | |
| 61 case CODA_SUPER_MAGIC: | |
| 62 *type = FILE_SYSTEM_CODA; | |
| 63 break; | |
| 64 case HUGETLBFS_MAGIC: | |
| 65 case RAMFS_MAGIC: | |
| 66 case TMPFS_MAGIC: | |
| 67 *type = FILE_SYSTEM_MEMORY; | |
| 68 break; | |
| 69 case CGROUP_SUPER_MAGIC: | |
| 70 *type = FILE_SYSTEM_CGROUP; | |
| 71 break; | |
| 72 default: | |
| 73 *type = FILE_SYSTEM_OTHER; | |
| 74 } | |
| 75 return true; | |
| 76 } | |
| 77 | |
| 78 } // namespace base | |
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Chromium Code Reviews
Issue 468253002:
Move file_util to base/files/ directory. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src