[gnome-builder] device: add IdeDeviceError

[Christian Hergert <chergert src gnome org>]

commit 0c4ac6ee4b4bb79cd8f323aa428e4052beae1c55
Author: Christian Hergert <chergert redhat com>
Date:   Sun Jul 17 02:25:14 2016 -0700

    device: add IdeDeviceError

 libide/devices/ide-device.c |   11 +++++++++++
 libide/devices/ide-device.h |   21 ++++++++++++++-------
 2 files changed, 25 insertions(+), 7 deletions(-)
---
diff --git a/libide/devices/ide-device.c b/libide/devices/ide-device.c
index e3e8220..70aba6f 100644
--- a/libide/devices/ide-device.c
+++ b/libide/devices/ide-device.c
@@ -250,3 +250,14 @@ ide_device_prepare_configuration (IdeDevice        *self,
   if (IDE_DEVICE_GET_CLASS (self)->prepare_configuration)
     IDE_DEVICE_GET_CLASS (self)->prepare_configuration (self, configuration);
 }
+
+GQuark
+ide_device_error_quark (void)
+{
+  static GQuark quark = 0;
+
+  if G_UNLIKELY (quark == 0)
+    quark = g_quark_from_static_string ("ide_device_error_quark");
+
+  return quark;
+}
diff --git a/libide/devices/ide-device.h b/libide/devices/ide-device.h
index 595436c..8215084 100644
--- a/libide/devices/ide-device.h
+++ b/libide/devices/ide-device.h
@@ -24,7 +24,13 @@
 
 G_BEGIN_DECLS
 
-#define IDE_TYPE_DEVICE (ide_device_get_type())
+typedef enum
+{
+  IDE_DEVICE_ERROR_NO_SUCH_DEVICE = 1,
+} IdeDeviceError;
+
+#define IDE_TYPE_DEVICE  (ide_device_get_type())
+#define IDE_DEVICE_ERROR (ide_device_error_quark())
 
 G_DECLARE_DERIVABLE_TYPE (IdeDevice, ide_device, IDE, DEVICE, IdeObject)
 
@@ -37,12 +43,13 @@ struct _IdeDeviceClass
                                          IdeConfiguration *configuration);
 };
 
-const gchar *ide_device_get_display_name      (IdeDevice   *self);
-void         ide_device_set_display_name      (IdeDevice   *self,
-                                               const gchar *display_name);
-const gchar *ide_device_get_id                (IdeDevice   *self);
-void         ide_device_set_id                (IdeDevice   *self,
-                                               const gchar *id);
+GQuark       ide_device_error_quark           (void) G_GNUC_CONST;
+const gchar *ide_device_get_display_name      (IdeDevice        *self);
+void         ide_device_set_display_name      (IdeDevice        *self,
+                                               const gchar      *display_name);
+const gchar *ide_device_get_id                (IdeDevice        *self);
+void         ide_device_set_id                (IdeDevice        *self,
+                                               const gchar      *id);
 const gchar *ide_device_get_system_type       (IdeDevice        *self);
 void         ide_device_prepare_configuration (IdeDevice        *self,
                                                IdeConfiguration *configuration);