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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/file_util.h"
#include "base/file_path.h"
#include <errno.h>
#include <sys/vfs.h>
namespace file_util {
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;
}
// While you would think the possible values of f_type would be available
// in a header somewhere, it appears that is not the case. These values
// are copied from the statfs man page.
switch (statfs_buf.f_type) {
case 0:
*type = FILE_SYSTEM_0;
break;
case 0xEF53: // ext2, ext3.
case 0x4D44: // dos
case 0x5346544E: // NFTS
case 0x52654973: // reiser
case 0x58465342: // XFS
case 0x9123683E: // btrfs
case 0x3153464A: // JFS
*type = FILE_SYSTEM_ORDINARY;
break;
case 0x6969: // NFS
*type = FILE_SYSTEM_NFS;
break;
case 0xFF534D42: // CIFS
case 0x517B: // SMB
*type = FILE_SYSTEM_SMB;
break;
case 0x73757245: // Coda
*type = FILE_SYSTEM_CODA;
break;
case 0x858458f6: // ramfs
case 0x01021994: // tmpfs
*type = FILE_SYSTEM_MEMORY;
break;
case 0x27e0eb: // CGROUP
*type = FILE_SYSTEM_CGROUP;
break;
default:
*type = FILE_SYSTEM_OTHER;
}
return true;
}
} // namespace
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