[NaCl SDK] nacl_io: Change default root filesystem type from passthroughfs to memfs

native_client_sdk/src/libraries/nacl_io/passthroughfs/real_node.cc

 // Copyright 2014 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/passthroughfs/real_node.h"
 
 #include <errno.h>
 #include <string.h>
 
 #include "nacl_io/kernel_handle.h"
 #include "nacl_io/kernel_wrap_real.h"
 #include "nacl_io/log.h"
 
 namespace nacl_io {
+
 RealNode::RealNode(Filesystem* filesystem, int real_fd, bool close_on_destroy)
   : Node(filesystem),
     real_fd_(real_fd),
     close_on_destroy_(close_on_destroy)
 {
+  GetStat(&stat_);
 }
 
 void RealNode::Destroy() {
   if (close_on_destroy_)
     _real_close(real_fd_);
   real_fd_ = -1;
 }
 
 // Normal read/write operations on a file
 Error RealNode::Read(const HandleAttr& attr,
@@ skipping 52 matching lines @@
 
 Error RealNode::FTruncate(off_t size) {
   // TODO(binji): what to do here?
   return ENOSYS;
 }
 
 Error RealNode::GetDents(size_t offs,
                          struct dirent* pdir,
                          size_t count,
                          int* out_bytes) {
-  size_t nread;
-  int err = _real_getdents(real_fd_, pdir, count, &nread);
-  if (err)
-    return err;
-  return nread;
+  return _real_getdents(real_fd_, pdir, count, (size_t*)out_bytes);
 }
 
 Error RealNode::GetStat(struct stat* stat) {
   int err = _real_fstat(real_fd_, stat);
   if (err)
     return err;
   // On windows, fstat() of stdin/stdout/stderr returns all zeros
   // for the permission bits. This can cause problems down the
   // line.  For example, CanOpen() will fail.
   // TODO(sbc): Fix this within sel_ldr instead.
@@ skipping 22 matching lines @@
                      size_t offset,
                      void** out_addr) {
   *out_addr = addr;
   int err = _real_mmap(out_addr, length, prot, flags, real_fd_, offset);
   if (err)
     return err;
   return 0;
 }
 
 }