Implement Bus and ObjectProxy classes for our D-Bus library.

dbus/error.h

+// Copyright (c) 2011 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.
+
+#ifndef DBUS_ERROR_H_
+#define DBUS_ERROR_H_

[stevenjb, 2011/08/15 21:42:04]

This should be scoped_dbus_error.h. That will also help for finding the file.

[satorux1, 2011/08/16 22:25:37]

Good idea. Done.

+#pragma once
+
+#include <dbus/dbus.h>
+
+namespace dbus {
+
+// Utility class to ensure that DBusError is freed.
+class ScopedDBusError {
+ public:
+  ScopedDBusError() {
+    dbus_error_init(&error_);
+  }
+
+  ~ScopedDBusError() {
+    dbus_error_free(&error_);
+  }
+
+  DBusError* get() { return &error_; }
+  bool is_set() { return dbus_error_is_set(&error_); }
+  const char* message() { return error_.message; }
+
+ private:
+  DBusError error_;
+};
+
+}  // namespace dbus
+
+#endif  // DBUS_ERROR_H_