diff -up luaevent-0.4.3/src/buffer_event.c.envfix luaevent-0.4.3/src/buffer_event.c

--- luaevent-0.4.3/src/buffer_event.c.envfix	2015-01-15 14:49:36.518753869 -0500

+++ luaevent-0.4.3/src/buffer_event.c	2015-01-15 14:51:15.407216159 -0500

@@ -40,7 +40,11 @@ int is_buffer_event(lua_State* L, int id

 static void handle_callback(le_bufferevent* le_ev, short what, int callbackIndex) {

 	lua_State* L = le_ev->base->loop_L;

 	le_weak_get(L, le_ev);

+#if LUA_VERSION_NUM > 501

+	lua_getuservalue(L, -1);

+#else

 	lua_getfenv(L, -1);

+#endif

 	lua_rawgeti(L, -1, callbackIndex);

 	lua_remove(L, -2);

 	lua_pushvalue(L, -2);

@@ -97,7 +101,11 @@ static int buffer_event_push(lua_State*

 	lua_rawseti(L, -2, READ_BUFFER_LOCATION);

 	event_buffer_push(L, ev->ev->output);

 	lua_rawseti(L, -2, WRITE_BUFFER_LOCATION);

+#if LUA_VERSION_NUM > 501

+	lua_setuservalue(L, -2);

+#else

 	lua_setfenv(L, -2);

+#endif

 	ev->base = base;

 	return 1;

 }

@@ -113,7 +121,11 @@ static int buffer_event_gc(lua_State* L)

 		ev->ev = NULL;

 		/* Also clear out the associated input/output event_buffers

 		 * since they would have already been freed.. */

+#if LUA_VERSION_NUM > 501

+		lua_getuservalue(L, -1);

+#else

 		lua_getfenv(L, 1);

+#endif

 		lua_rawgeti(L, -1, READ_BUFFER_LOCATION);

 		lua_rawgeti(L, -2, WRITE_BUFFER_LOCATION);

 		read = event_buffer_check(L, -2);

@@ -133,14 +145,22 @@ static int buffer_event_gc(lua_State* L)

 static int buffer_event_get_read(lua_State* L) {

 	(void)buffer_event_get(L, 1);

+#if LUA_VERSION_NUM > 501

+	lua_getuservalue(L, -1);

+#else

 	lua_getfenv(L, 1);

+#endif

 	lua_rawgeti(L, -1, READ_BUFFER_LOCATION);

 	return 1;

 }

 static int buffer_event_get_write(lua_State* L) {

 	(void)buffer_event_get(L, 1);

+#if LUA_VERSION_NUM > 501

+	lua_getuservalue(L, -1);

+#else

 	lua_getfenv(L, 1);

+#endif

 	lua_rawgeti(L, -1, WRITE_BUFFER_LOCATION);

 	return 1;

 }