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- // Copyright (c) 2011 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "base/files/file_util.h"
- #include <errno.h>
- #include <linux/magic.h>
- #include <sys/vfs.h>
- #include "base/files/file_path.h"
- namespace base {
- bool GetFileSystemType(const FilePath& path, FileSystemType* type) {
- struct statfs statfs_buf;
- if (statfs(path.value().c_str(), &statfs_buf) < 0) {
- if (errno == ENOENT)
- return false;
- *type = FILE_SYSTEM_UNKNOWN;
- return true;
- }
- // Not all possible |statfs_buf.f_type| values are in linux/magic.h.
- // Missing values are copied from the statfs man page.
- switch (statfs_buf.f_type) {
- case 0:
- *type = FILE_SYSTEM_0;
- break;
- case EXT2_SUPER_MAGIC: // Also ext3 and ext4
- case MSDOS_SUPER_MAGIC:
- case REISERFS_SUPER_MAGIC:
- case static_cast<int>(BTRFS_SUPER_MAGIC):
- case 0x5346544E: // NTFS
- case 0x58465342: // XFS
- case 0x3153464A: // JFS
- *type = FILE_SYSTEM_ORDINARY;
- break;
- case NFS_SUPER_MAGIC:
- *type = FILE_SYSTEM_NFS;
- break;
- case SMB_SUPER_MAGIC:
- case static_cast<int>(0xFF534D42): // CIFS
- *type = FILE_SYSTEM_SMB;
- break;
- case CODA_SUPER_MAGIC:
- *type = FILE_SYSTEM_CODA;
- break;
- case static_cast<int>(HUGETLBFS_MAGIC):
- case static_cast<int>(RAMFS_MAGIC):
- case TMPFS_MAGIC:
- *type = FILE_SYSTEM_MEMORY;
- break;
- case CGROUP_SUPER_MAGIC:
- *type = FILE_SYSTEM_CGROUP;
- break;
- default:
- *type = FILE_SYSTEM_OTHER;
- }
- return true;
- }
- } // namespace base
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