new function 'luaL_setmetatable'

1 files changed, 7 insertions, 1 deletions

diff --git a/lauxlib.c b/lauxlib.c
index 9dbf5519..b0fabe3f 100644
--- a/lauxlib.c
+++ b/lauxlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lauxlib.c,v 1.225 2010/11/09 11:04:15 roberto Exp roberto $
+** $Id: lauxlib.c,v 1.226 2010/11/10 17:38:10 roberto Exp roberto $
 ** Auxiliary functions for building Lua libraries
 ** See Copyright Notice in lua.h
 */
@@ -224,6 +224,12 @@ LUALIB_API int luaL_newmetatable (lua_State *L, const char *tname) {
 }
 
 
+LUALIB_API void luaL_setmetatable (lua_State *L, const char *tname) {
+  luaL_getmetatable(L, tname);
+  lua_setmetatable(L, -2);
+}
+
+
 LUALIB_API void *luaL_testudata (lua_State *L, int ud, const char *tname) {
   void *p = lua_touserdata(L, ud);
   if (p != NULL) {  /* value is a userdata? */