Add user data parameter to notification callback function

[#114 state:resolved]

1 files changed, 6 insertions, 2 deletions

diff --git a/src/notification_proxy.c b/src/notification_proxy.c
index 827468e..41647c8 100644
--- a/src/notification_proxy.c
+++ b/src/notification_proxy.c
@@ -33,6 +33,7 @@
 struct np_thread {
         np_client_t client;
         np_notify_cb_t cbfunc;
+        void *userdata;
 };
 
 /**
@@ -333,7 +334,7 @@ gpointer np_notifier( gpointer arg )
         while (npt->client->parent) {
                 np_get_notification(npt->client, &notification);
                 if (notification) {
-                        npt->cbfunc(notification);
+                        npt->cbfunc(notification, npt->userdata);
                         free(notification);
                         notification = NULL;
                 }
@@ -355,6 +356,8 @@ gpointer np_notifier( gpointer arg )
  * @param client the NP client
  * @param notify_cb pointer to a callback function or NULL to de-register a
  *        previously set callback function.
+ * @param userdata Pointer that will be passed to the callback function as
+ *        userdata. If notify_cb is NULL, this parameter is ignored.
  *
  * @note Only one callback function can be registered at the same time;
  *       any previously set callback function will be removed automatically.
@@ -363,7 +366,7 @@ gpointer np_notifier( gpointer arg )
  *         NP_E_INVALID_ARG when client is NULL, or NP_E_UNKNOWN_ERROR when
  *         the callback thread could no be created.
  */
-np_error_t np_set_notify_callback( np_client_t client, np_notify_cb_t notify_cb )
+np_error_t np_set_notify_callback( np_client_t client, np_notify_cb_t notify_cb, void *userdata )
 {
         if (!client)
                 return NP_E_INVALID_ARG;
@@ -385,6 +388,7 @@ np_error_t np_set_notify_callback( np_client_t client, np_notify_cb_t notify_cb
                 if (npt) {
                         npt->client = client;
                         npt->cbfunc = notify_cb;
+                        npt->userdata = userdata;
 
                         client->notifier = g_thread_create(np_notifier, npt, TRUE, NULL);
                         if (client->notifier) {