On Mon, 7 Mar 2016, Daniel Stenberg wrote:

>> One thing I think the problem is in lib/http.c
>>
>> else if(data->set.postfields)
>> expectsend = (curl_off_t)strlen(data->set.postfields);
>
> Hm. That doesn't look right...

That said, your use case won't trigger any problem because of that as far as I
can see and one of your primary problems is probably that you didn't use
CURLOPT_POSTFIELDSIZE.

-- 
  / daniel.haxx.se
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