Implement MojoGetBufferInformation(), part 3.

mojo/edk/embedder/entrypoints.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 "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/system/core.h"
 #include "mojo/public/c/system/buffer.h"
 #include "mojo/public/c/system/data_pipe.h"
 #include "mojo/public/c/system/functions.h"
 #include "mojo/public/c/system/message_pipe.h"
 
 using mojo::embedder::internal::g_core;
 using mojo::system::MakeUserPointer;
 
 // Definitions of the system functions.
 extern "C" {
+
 MojoTimeTicks MojoGetTimeTicksNow() {
   return g_core->GetTimeTicksNow();
 }
 
 MojoResult MojoClose(MojoHandle handle) {
   return g_core->Close(handle);
 }
 
 MojoResult MojoWait(MojoHandle handle,
                        MojoHandleSignals signals,
@@ skipping 105 matching lines @@
 }
 
 MojoResult MojoDuplicateBufferHandle(
     MojoHandle buffer_handle,
     const struct MojoDuplicateBufferHandleOptions* options,
     MojoHandle* new_buffer_handle) {
   return g_core->DuplicateBufferHandle(buffer_handle, MakeUserPointer(options),
                                        MakeUserPointer(new_buffer_handle));
 }
 
+MojoResult MojoGetBufferInformation(MojoHandle buffer_handle,
+                                    struct MojoBufferInformation* info,
+                                    uint32_t info_num_bytes) {
+  return g_core->GetBufferInformation(buffer_handle, MakeUserPointer(info),
+                                      info_num_bytes);
+}
+
 MojoResult MojoMapBuffer(MojoHandle buffer_handle,
                          uint64_t offset,
                          uint64_t num_bytes,
                          void** buffer,
                          MojoMapBufferFlags flags) {
   return g_core->MapBuffer(buffer_handle, offset, num_bytes,
                            MakeUserPointer(buffer), flags);
 }
 
 MojoResult MojoUnmapBuffer(void* buffer) {
   return g_core->UnmapBuffer(MakeUserPointer(buffer));
 }
 
 }  // extern "C"