* g_udev_device_get_property_as_strv().
*
* To access sysfs attributes for the device, use
+ * g_udev_device_get_sysfs_attr_keys(),
+ * g_udev_device_has_sysfs_attr(),
* g_udev_device_get_sysfs_attr(),
* g_udev_device_get_sysfs_attr_as_int(),
* g_udev_device_get_sysfs_attr_as_uint64(),
/* computed ondemand and cached */
gchar **device_file_symlinks;
gchar **property_keys;
+ gchar **sysfs_attr_keys;
gchar **tags;
GHashTable *prop_strvs;
GHashTable *sysfs_attr_strvs;
g_strfreev (device->priv->device_file_symlinks);
g_strfreev (device->priv->property_keys);
+ g_strfreev (device->priv->sysfs_attr_keys);
g_strfreev (device->priv->tags);
if (device->priv->udevice != NULL)
*
* Gets the name of the driver used for @device.
*
- * Returns: The name of the driver for @device or %NULL if unknown.
+ * Returns: (nullable): The name of the driver for @device or %NULL if
+ * unknown.
*/
const gchar *
g_udev_device_get_driver (GUdevDevice *device)
*
* Gets the device file for @device.
*
- * Returns: The device file for @device or %NULL if no device file
- * exists.
+ * Returns: (nullable): The device file for @device or %NULL if no
+ * device file exists.
*/
const gchar *
g_udev_device_get_device_file (GUdevDevice *device)
*
* Gets the immediate parent of @device, if any.
*
- * Returns: (transfer full): A #GUdevDevice or %NULL if @device has no parent. Free with g_object_unref().
+ * Returns: (nullable) (transfer full): A #GUdevDevice or %NULL if
+ * @device has no parent. Free with g_object_unref().
*/
GUdevDevice *
g_udev_device_get_parent (GUdevDevice *device)
* Walks up the chain of parents of @device and returns the first
* device encountered where @subsystem and @devtype matches, if any.
*
- * Returns: (transfer full): A #GUdevDevice or %NULL if @device has no parent with @subsystem and @devtype. Free with g_object_unref().
+ * Returns: (nullable) (transfer full): A #GUdevDevice or %NULL if
+ * @device has no parent with @subsystem and @devtype. Free with
+ * g_object_unref().
*/
GUdevDevice *
g_udev_device_get_parent_with_subsystem (GUdevDevice *device,
*
* Look up the value for @key on @device.
*
- * Returns: The value for @key or %NULL if @key doesn't exist on @device. Do not free this string, it is owned by @device.
+ * Returns: (nullable): The value for @key or %NULL if @key doesn't
+ * exist on @device. Do not free this string, it is owned by @device.
*/
const gchar *
g_udev_device_get_property (GUdevDevice *device,
* horizontal tab ('\t'), and vertical tab ('\v') are considered; the
* locale is not taken into account).
*
- * Returns: (transfer none) (array zero-terminated=1) (element-type utf8): The value of @key on @device split into tokens or %NULL if @key doesn't exist. This array is owned by @device and should not be freed by the caller.
+ * Returns: (nullable) (transfer none) (array zero-terminated=1) (element-type utf8):
+ * The value of @key on @device split into tokens or %NULL if @key
+ * doesn't exist. This array is owned by @device and should not be
+ * freed by the caller.
*/
const gchar* const *
g_udev_device_get_property_as_strv (GUdevDevice *device,
/* ---------------------------------------------------------------------------------------------------- */
+/**
+ * g_udev_device_get_sysfs_attr_keys:
+ * @device: A #GUdevDevice.
+ *
+ * Gets all keys for sysfs attributes on @device.
+ *
+ * Returns: (transfer none) (array zero-terminated=1) (element-type utf8): A %NULL terminated string array of sysfs attribute keys. This array is owned by @device and should not be freed by the caller.
+ */
+const gchar * const *
+g_udev_device_get_sysfs_attr_keys (GUdevDevice *device)
+{
+ struct udev_list_entry *l;
+ GPtrArray *p;
+
+ g_return_val_if_fail (G_UDEV_IS_DEVICE (device), NULL);
+
+ if (device->priv->sysfs_attr_keys != NULL)
+ goto out;
+
+ p = g_ptr_array_new ();
+ for (l = udev_device_get_sysattr_list_entry (device->priv->udevice); l != NULL; l = udev_list_entry_get_next (l))
+ {
+ g_ptr_array_add (p, g_strdup (udev_list_entry_get_name (l)));
+ }
+ g_ptr_array_add (p, NULL);
+ device->priv->sysfs_attr_keys = (gchar **) g_ptr_array_free (p, FALSE);
+
+ out:
+ return (const gchar * const *) device->priv->sysfs_attr_keys;
+}
+
+/**
+ * g_udev_device_has_sysfs_attr:
+ * @device: A #GUdevDevice.
+ * @key: Name of sysfs attribute.
+ *
+ * Check if a the sysfs attribute with the given key exists.
+ *
+ * Returns: %TRUE only if the value for @key exist.
+ */
+gboolean
+g_udev_device_has_sysfs_attr (GUdevDevice *device,
+ const gchar *key)
+{
+ g_return_val_if_fail (G_UDEV_IS_DEVICE (device), FALSE);
+ g_return_val_if_fail (key != NULL, FALSE);
+ return udev_device_get_sysattr_value (device->priv->udevice, key) != NULL;
+}
+
/**
* g_udev_device_get_sysfs_attr:
* @device: A #GUdevDevice.
*
* Look up the sysfs attribute with @name on @device.
*
- * Returns: The value of the sysfs attribute or %NULL if there is no
- * such attribute. Do not free this string, it is owned by @device.
+ * Returns: (nullable): The value of the sysfs attribute or %NULL if
+ * there is no such attribute. Do not free this string, it is owned by
+ * @device.
*/
const gchar *
g_udev_device_get_sysfs_attr (GUdevDevice *device,
* tab ('\t'), and vertical tab ('\v') are considered; the locale is
* not taken into account).
*
- * Returns: (transfer none) (array zero-terminated=1) (element-type utf8): The value of the sysfs attribute split into tokens or %NULL if there is no such attribute. This array is owned by @device and should not be freed by the caller.
+ * Returns: (nullable) (transfer none) (array zero-terminated=1) (element-type utf8):
+ * The value of the sysfs attribute split into tokens or %NULL if
+ * there is no such attribute. This array is owned by @device and
+ * should not be freed by the caller.
*/
const gchar * const *
g_udev_device_get_sysfs_attr_as_strv (GUdevDevice *device,
~ianmdlvl / elogind.git / blobdiff