63 lines
1.6 KiB
C++
63 lines
1.6 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/file_util.h"
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#include "base/files/file_path.h"
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#include <errno.h>
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#include <sys/vfs.h>
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namespace file_util {
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bool GetFileSystemType(const base::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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// While you would think the possible values of f_type would be available
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// in a header somewhere, it appears that is not the case. These values
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// 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 0xEF53: // ext2, ext3.
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case 0x4D44: // dos
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case 0x5346544E: // NFTS
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case 0x52654973: // reiser
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case 0x58465342: // XFS
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case 0x9123683E: // btrfs
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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 0x6969: // NFS
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*type = FILE_SYSTEM_NFS;
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break;
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case 0xFF534D42: // CIFS
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case 0x517B: // SMB
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*type = FILE_SYSTEM_SMB;
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break;
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case 0x73757245: // Coda
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*type = FILE_SYSTEM_CODA;
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break;
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case 0x858458f6: // ramfs
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case 0x01021994: // tmpfs
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*type = FILE_SYSTEM_MEMORY;
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break;
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case 0x27e0eb: // CGROUP
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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
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