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- Subject: Re: Returning data from C functions called using "loadlib".
- From: Aaron Newell <add_aaron_2_x@...>
- Date: Wed, 1 Sep 2004 22:05:27 +0100 (BST)
Thanks a lot that works great!
I've got two more questions though:
1) why do you "return 1"? As you're obviously not
returning one.
2) Can you do a similar thing with arrays?
Thanks, again!
Aaron
> I'm quite sure that C code is wrong. You need to
push a onto the > > > stack,
> and
> then return how many results your function is
returning. So the
> function
> would be something like:
>
> static int functionFromCLibrary(lua_State* L) {
> int a = (int)lua_tonumber(L, -1);
> printf("cfunction: %d\n", a);
> a = a + 1;
> printf("cfunction now: %d\n", a);
> lua_settop(L, 0);
> lua_pushnumber(L, a);
> return 1;
> }
>
>
> Greetings,
> Ignacio Burgueño
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