Move file_util to base/files/ directory.
This updates the includes in base but leaves a forwarding header for the rest of the project for now.
R=yzshen@chromium.org
Review URL: https://codereview.chromium.org/468253002
Cr-Commit-Position: refs/heads/master@{#289360}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289360 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: e3177dd5063e419cb181cf6a45d3ff94cb0feebd
diff --git a/base/files/file_util_linux.cc b/base/files/file_util_linux.cc
new file mode 100644
index 0000000..532962f
--- /dev/null
+++ b/base/files/file_util_linux.cc
@@ -0,0 +1,78 @@
+// 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"
+
+// Make sure some of the newer macros from magic.h are defined.
+// TODO(mostynb@opera.com): remove this after 2014.
+#ifndef BTRFS_SUPER_MAGIC
+#define BTRFS_SUPER_MAGIC 0x9123683E
+#endif
+#ifndef HUGETLBFS_MAGIC
+#define HUGETLBFS_MAGIC 0x958458f6
+#endif
+#ifndef RAMFS_MAGIC
+#define RAMFS_MAGIC 0x858458f6
+#endif
+#ifndef TMPFS_MAGIC
+#define TMPFS_MAGIC 0x01021994
+#endif
+
+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 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 0xFF534D42: // CIFS
+ *type = FILE_SYSTEM_SMB;
+ break;
+ case CODA_SUPER_MAGIC:
+ *type = FILE_SYSTEM_CODA;
+ break;
+ case HUGETLBFS_MAGIC:
+ case 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