[Haskell-cafe] Haskell FFI Question

[ye yan]

Thank you guys, I finally make the FFI working. 

But I found a *interesting* 
<https://www.google.com/search?newwindow=1&client=firefox-a&hs=3Kw&rls=org.mozilla:en-US:official&channel=sb&q=interesting&spell=1&sa=X&ei=AC4dVLXsE8n48QXj14C4CA&ved=0CBsQBSgA> 
behavior with in my C++ side of code.  I have made a simple thumbnail 
generation function in C++ side which include the following snippet of code

```
Blob blob;

try {










On Friday, September 19, 2014 4:50:57 PM UTC+9:30, Erik Hesselink wrote:
>
> Yes, see the documentation for useAsCString [0]. 
>
> [0] 
> http://hackage.haskell.org/package/bytestring-0.10.4.0/docs/Data-ByteString.html#v:useAsCString 
>
> Erik 
>
> On Fri, Sep 19, 2014 at 6:32 AM, ye yan <haskell... at gmail.com 
> <javascript:>> wrote: 
> > I have been play around with Haskell FFI. My question is for ByteString 
> > (Strict) is there a trailing null append to it when pass to it C 
> functions? 
> > 
> > _______________________________________________ 
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> > Haskel... at haskell.org <javascript:> 
> > http://www.haskell.org/mailman/listinfo/haskell-cafe 
> > 
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