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-rw-r--r--gusb/gusb-device.c29
-rw-r--r--gusb/gusb-device.h1
2 files changed, 30 insertions, 0 deletions
diff --git a/gusb/gusb-device.c b/gusb/gusb-device.c
index aa1fd36..5ddf687 100644
--- a/gusb/gusb-device.c
+++ b/gusb/gusb-device.c
@@ -33,6 +33,7 @@
#include <libusb-1.0/libusb.h>
+#include "gusb-cleanup.h"
#include "gusb-context.h"
#include "gusb-context-private.h"
#include "gusb-util.h"
@@ -93,6 +94,34 @@ g_usb_device_get_parent (GUsbDevice *device)
}
/**
+ * g_usb_device_get_children:
+ * @device: a #GUsbDevice instance
+ *
+ * Gets the device children if any exist.
+ *
+ * Return value: (transfer full): an array of #GUsbDevice
+ **/
+GPtrArray *
+g_usb_device_get_children (GUsbDevice *device)
+{
+ GPtrArray *children;
+ GUsbDevice *device_tmp;
+ GUsbDevicePrivate *priv = device->priv;
+ guint i;
+ _cleanup_ptrarray_unref_ GPtrArray *devices = NULL;
+
+ /* find any devices that have @device as a parent */
+ children = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
+ devices = g_usb_context_get_devices (priv->context);
+ for (i = 0; i < devices->len; i++) {
+ device_tmp = g_ptr_array_index (devices, i);
+ if (priv->device == libusb_get_parent (device_tmp->priv->device))
+ g_ptr_array_add (children, g_object_ref (device_tmp));
+ }
+ return children;
+}
+
+/**
* g_usb_device_error_quark:
*
* Return value: Our personal error quark.
diff --git a/gusb/gusb-device.h b/gusb/gusb-device.h
index 7ac3377..dc1c368 100644
--- a/gusb/gusb-device.h
+++ b/gusb/gusb-device.h
@@ -122,6 +122,7 @@ GQuark g_usb_device_error_quark (void);
const gchar *g_usb_device_get_platform_id (GUsbDevice *device);
GUsbDevice *g_usb_device_get_parent (GUsbDevice *device);
+GPtrArray *g_usb_device_get_children (GUsbDevice *device);
guint8 g_usb_device_get_bus (GUsbDevice *device);
guint8 g_usb_device_get_address (GUsbDevice *device);