[NaCl SDK] nacl_io: Replace allocated ino with hash of path.

native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc

Index: native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc b/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
index 2f7607d0ff8c06fe9b8d500800c9af5662868b19..91662912a82d09172b1e3184b46ab1cb4b29158d 100644
--- a/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
+++ b/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
@@ -16,6 +16,7 @@
 
 #include "nacl_io/filesystem.h"
 #include "nacl_io/getdents_helper.h"
+#include "nacl_io/html5fs/html5_fs.h"
 #include "nacl_io/kernel_handle.h"
 #include "nacl_io/osdirent.h"
 #include "nacl_io/pepper_interface.h"
@@ -125,8 +126,13 @@ Error Html5FsNode::GetDents(size_t offs,
           std::min(static_cast<size_t>(file_name_length),
                    MEMBER_SIZE(dirent, d_name) - 1);  // -1 for NULL.
 
-      // TODO(binji): Better handling of ino numbers.
-      helper.AddDirent(1, file_name, file_name_length);
+      // The INO is based on the running hash of fully qualified path, so
+      // a childs INO must be the parent directories hash, plus '/', plus
+      // the filename.
+      ino_t child_ino = Html5Fs::HashPathSegment(stat_.st_ino, file_name,
+                                                 file_name_length);
+
+      helper.AddDirent(child_ino, file_name, file_name_length);
     }
 
     var_iface_->Release(file_name_var);