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new API function `createuserdata'

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This commit is contained in:
Roberto Ierusalimschy
2000-10-26 10:47:05 -02:00
parent aadc35449e
commit b892f0a877
14 changed files with 83 additions and 66 deletions
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13
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 1.107 2000/10/20 16:39:03 roberto Exp roberto $
** $Id: lapi.c,v 1.108 2000/10/24 19:19:15 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -173,7 +173,7 @@ LUA_API const char *lua_tostring (lua_State *L, int index) {
LUA_API size_t lua_strlen (lua_State *L, int index) {
StkId o = luaA_indexAcceptable(L, index);
if (o == NULL || tostring(L, o)) return 0;
else return tsvalue(o)->u.s.len;
else return tsvalue(o)->len;
}
LUA_API lua_CFunction lua_tocfunction (lua_State *L, int index) {
@@ -491,3 +491,12 @@ LUA_API void lua_concat (lua_State *L, int n) {
luaC_checkGC(L);
}
LUA_API void *lua_newuserdata (lua_State *L, size_t size) {
TString *ts = luaS_newudata(L, size, NULL);
tsvalue(L->top) = ts;
ttype(L->top) = LUA_TUSERDATA;
api_incr_top(L);
return ts->u.d.value;
}