From: Jason Roelofs <jameskilton@...>
Date: 2008-01-18T12:23:52+09:00
Subject: Re: from "int cfunc(char *data,int *num) " how can I get the value of 'num' in ruby/dl ?

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Stop posting the same thing. If you don't get an answer, maybe you need to
restate your question.

Jason

On Jan 17, 2008 10:19 PM, bbmerong <dmkim@mktec.co.kr> wrote:

> I have a question about "ruby/dl".
>
> I define the function in "ruby/dl" like the belows
>
>
> --------------------------------------
> require 'dl'
> LIB=DL.dlopen('libfunc.dll')
> cfunc=LIB['cfunc','ISi']  # int cfunc(char *data,int *num)
> ---------------------------------------
>
>
> After typing in irb, I typed them like this.
>
>
> len=DL.malloc(DL.sizeof("I"))
> err=cfunc.call("hello",len)
>
>
> But, error message is displayed like the belows.
>
>
> "TypeError: can't convert DL::PtrData into Integer"
>
>
> I'm not sure how to solve the problem.
>
> It makes me annoying
>
>
> Please let me know the reason and solutions for novice like me.
>
>
> Then, Thank you in advance.
>
>
>
>

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