add API to test for plugin's existence

1 files changed, 11 insertions, 0 deletions

diff --git a/src/include/gnunet_plugin_lib.h b/src/include/gnunet_plugin_lib.h
index b8c7b99fe..9608abd4c 100644
--- a/src/include/gnunet_plugin_lib.h
+++ b/src/include/gnunet_plugin_lib.h
@@ -51,6 +51,17 @@ typedef void *(*GNUNET_PLUGIN_Callback) (void *arg);
 
 
 /**
+ * Test if a plugin exists.
+ *
+ * Note that the library must export a symbol called
+ * "library_name_init" for the test to succeed. 
+ *
+ * @param library_name name of the plugin to test if it is installed
+ * @return GNUNET_YES if the plugin exists, GNUNET_NO if not
+ */
+int GNUNET_PLUGIN_test (const char *library_name);
+
+/**
  * Setup plugin (runs the "init" callback and returns whatever "init"
  * returned).  If "init" returns NULL, the plugin is unloaded.
  *