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new semantics for pushuserdata (no more different userdatas with same value)

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Roberto Ierusalimschy
2001-02-09 17:53:16 -02:00
parent dc17a9cc24
commit 6875fdc8be
5 changed files with 34 additions and 25 deletions
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11
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 1.125 2001/02/02 15:13:05 roberto Exp roberto $
** $Id: lapi.c,v 1.126 2001/02/07 18:13:49 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -335,14 +335,13 @@ LUA_API void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n) {
}
LUA_API void lua_pushusertag (lua_State *L, void *u, int tag) {
LUA_API int lua_pushuserdata (lua_State *L, void *u) {
int isnew;
LUA_LOCK(L);
/* ORDER LUA_T */
if (!(tag == LUA_ANYTAG || tag == LUA_TUSERDATA || validtag(G(L), tag)))
luaO_verror(L, "invalid tag for a userdata (%d)", tag);
setuvalue(L->top, luaS_createudata(L, u, tag));
isnew = luaS_createudata(L, u, L->top);
api_incr_top(L);
LUA_UNLOCK(L);
return isnew;
}