[core] store (plugin *) in p->data

(self-referential)

src/base_decls.h

@@ -9,6 +9,9 @@ typedef struct server server;
 struct connection;
 typedef struct connection connection;
 
+struct plugin;
+typedef struct plugin plugin;
+
 struct request_st;
 typedef struct request_st request_st;
 

src/plugin.c

@@ -435,7 +435,7 @@ handler_t plugins_call_init(server *srv) {
 				return HANDLER_ERROR;
 			}
 
-			/* used for con->mode, DIRECT == 0, plugins above that */
+			((plugin_data_base *)(p->data))->self = p;
 			((plugin_data_base *)(p->data))->id = i + 1;
 
 			if (p->version != LIGHTTPD_VERSION_ID) {

src/plugin.h

@@ -49,13 +49,14 @@ extern array plugin_stats;
 
 #define PLUGIN_DATA        int id; \
                            int nconfig; \
-                           config_plugin_value_t *cvlist
+                           config_plugin_value_t *cvlist; \
+                           struct plugin *self
 
 typedef struct {
 	PLUGIN_DATA;
 } plugin_data_base;
 
-typedef struct {
+struct plugin {
 	void *data;
 	                                                                      /* is called ... */
 	handler_t (* handle_uri_raw)           (connection *con, void *p_d);  /* after uri_raw is set */
@@ -85,7 +86,7 @@ typedef struct {
 	const char *name;/* name of the plugin */
 	size_t version;
 	void *lib;       /* dlopen handle */
-} plugin;
+};
 
 __attribute_cold__
 int plugins_load(server *srv);