[NaCl SDK] nacl_io: Allows subtree of html5fs to be mounted.

native_client_sdk/src/libraries/nacl_io/node.cc

 // Copyright 2013 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 "nacl_io/node.h"
 
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <poll.h>
@@ skipping 182 matching lines @@
   return stat_.st_mode & S_IFMT;
 }
 
 void Node::SetType(int type) {
   assert((type & ~S_IFMT) == 0);
   stat_.st_mode &= ~S_IFMT;
   stat_.st_mode |= type;
 }
 
 bool Node::IsaDir() {
-  return (stat_.st_mode & S_IFDIR) != 0;
+  return GetType() == S_IFDIR;
 }
 
 bool Node::IsaFile() {
-  return (stat_.st_mode & S_IFREG) != 0;
+  return GetType() == S_IFREG;
 }
 
 bool Node::IsaSock() {
-  return (stat_.st_mode & S_IFSOCK) != 0;
+  return GetType() == S_IFSOCK;
 }
 
 Error Node::Isatty() {
   return ENOTTY;
 }
 
 Error Node::AddChild(const std::string& name, const ScopedNode& node) {
   return ENOTDIR;
 }
 
@@ skipping 12 matching lines @@
 
 void Node::Link() {
   stat_.st_nlink++;
 }
 
 void Node::Unlink() {
   stat_.st_nlink--;
 }
 
 }  // namespace nacl_io