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lua_getuserdata must return NULL if object is not userdata

This commit is contained in:
Roberto Ierusalimschy 1997-04-02 14:44:18 -03:00
parent f29fbf2bf6
commit f0d523887d
1 changed files with 4 additions and 4 deletions
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8
lua.h
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@ -2,7 +2,7 @@
** LUA - Linguagem para Usuarios de Aplicacao
** Grupo de Tecnologia em Computacao Grafica
** TeCGraf - PUC-Rio
** $Id: lua.h,v 3.38 1997/03/31 20:59:09 roberto Exp roberto $
** $Id: lua.h,v 3.39 1997/04/01 19:02:43 roberto Exp roberto $
*/
@ -89,18 +89,18 @@ lua_Object lua_createtable (void);
#define lua_refobject(o,l) (lua_pushobject(o), lua_ref(l))
#define lua_register(n,f) (lua_pushcfunction(f), lua_storeglobal(n))
#define lua_register(n,f) (lua_pushcfunction(f), lua_setglobal(n))
#define lua_pushuserdata(u) lua_pushusertag(u, 0)
/* =============================================================== */
/* for compatibility with old versions. Avoid using these macros */
/* for compatibility with old versions. Avoid using these macros/functions */
#define lua_storeglobal(n) lua_setglobal(n)
#define lua_type(o) (lua_tag(o))
#define lua_getuserdata(o) (*(void **)lua_getbinarydata(o))
void *lua_getuserdata (lua_Object object);
#define lua_lockobject(o) lua_refobject(o,1)
#define lua_lock() lua_ref(1)