Thanks,
I will try it out tonight.
Milind
On Fri, Jul 10, 2015 at 11:41 AM, Antonio Scuri <sc...@tecgraf.puc-rio.br>
wrote:
> Try this:
>
> int iuplua_isihandle(lua_State *L, int pos)
> {
> lua_getmetatable(L, pos); /* t2 = metatable(stack(pos)) */
> lua_pushstring(L, "iupHandle");
> lua_gettable(L, LUA_REGISTRYINDEX); /* t = registry["iupHandle"] */
> if (lua_rawequal(L, -2, -1)) /* check (t2==t)? */
> {
> lua_pop(L, 2);
> return 1;
> }
> else
> return 0;
> }
>
> Just commit to the SVN.
>
> Best,
> Scuri
>
>
> On Fri, Jul 10, 2015 at 12:57 PM, Milind Gupta <milind.gu...@gmail.com>
> wrote:
>
>> Hi,
>> I wanted to pass a ihandle to C but I don't want it to throw an
>> error if it is not a ihandle but return nil and a error message. How can I
>> do that? Do I have to use the lua_touserdata function? How can I then check
>> whether I have received a ihandle without throwing an error?
>>
>> Thanks,
>> Milind
>>
>>
>>
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>
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> GigeNET's Cloud Solutions provide you with the tools and support that
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