allocate memory to Char **

[Lamine]

I try pokeElemOff but i have same error "segmentation fault(core 
dumped)". Thank for your response!
On 04/29/2014 01:30 PM, Henning Thielemann wrote:
> Am 29.04.2014 13:11, schrieb Lamine:
>
>> I try this code unsing mallocList to (http://lpaste.net/report/712):
>> mallocList :: [CString] -> IO (Ptr CString)
>> mallocList xs = do let n = Prelude.length xs
>>                     p <- mallocBytes (n*100)
>>                     forM_ (Prelude.zip [0..] xs)
>>                      (uncurry (pokeByteOff p))
>
> I guess this must be pokeElemOff.
>
>>                     return p
>>
>> let n = sizeOf(undefined :: CString)
>>             allocaArray w $ \var -> do
>>                    xs <- peekArray (w*n) var
>>                    varnames <- mallocList xs
>>
>> I have an error "segmentation fault(core dumped)".
>> can someone please help me? Thank you.
>


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