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