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- Subject: Re: [LuaJIT ffi] Misleading error message?
- From: Xavier Wang <weasley.wx@...>
- Date: Sat, 23 Jul 2011 23:19:27 +0800
在 2011-7-23 晚上11:15，"Mike Pall" <mikelu-1107@mike.de>写道：
>
> Xavier Wang wrote:
> > I see, maybe providing another function to lookup symbols is better ?
> >
> > ffi.lookup("C", "foobar") -- nil, "no such symbol"
>
> Easy enough to add this yourself:
>
> local function plookup(ns, sym) return ns[sym] end
> function ffi.lookup(ns, sym) return pcall(plookup, ns, sym) end
>
> print(ffi.lookup(ffi.C, "foobar"))
>
> --Mike
>
That's easy, thank you Mike :-)
