[NaCl SDK] Add nacl_mounts to NaCl SDK build. Experimental for now.

native_client_sdk/src/libraries/nacl_mounts/mount_node_dir.cc

 /* Copyright (c) 2012 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_mounts/mount_node_dir.h"
 
-#include <dirent.h>
 #include <errno.h>
-#include <sys/stat.h>
+#include <string.h>
 
-#include "macros.h"
-#include "auto_lock.h"
-#include "mount_node_dir.h"
+#include "nacl_mounts/osdirent.h"
+#include "nacl_mounts/osstat.h"
+#include "utils/macros.h"
+#include "utils/auto_lock.h"
 
 MountNodeDir::MountNodeDir(Mount* mount, int ino, int dev)
     : MountNode(mount, ino, dev),
       cache_(NULL) {
 }
 
 MountNodeDir::~MountNodeDir() {
   free(cache_);
 }
 
 bool MountNodeDir::Init(int mode, short uid, short gid) {
   bool ok = MountNode::Init(mode, uid, gid);
-  stat_.st_mode |= _S_IFDIR;
+  stat_.st_mode |= S_IFDIR;
   return ok;
 }
 
 int MountNodeDir::Read(size_t offs, void *buf, size_t count) {
   errno = EISDIR;
   return -1;
 }
 
 int MountNodeDir::Truncate(size_t size) {
   errno = EISDIR;
@@ skipping 96 matching lines @@
     for (size_t index = 0; it != map_.end(); it++, index++) {
       MountNode* node = it->second;
       size_t len = it->first.length();
       cache_[index].d_ino = node->stat_.st_ino;
       cache_[index].d_reclen = sizeof(struct dirent);
       cache_[index].d_name[len] = 0;
       strncpy(cache_[index].d_name, &it->first[0], len);
     }
   }
 }