On 8/13/2017 9:34 PM, Daniel Stenberg wrote:
> libcurl delivers the data to the callback or reads it with a callback
> in a streaming fashion and will not keep the entire file in memory
> either on upload nor download. The size of the internal buffers for
> download and uploads is 16KB by default but can in fact be somewhat
> controlled with CURLOPT_BUFFERSIZE in modern libcurl versions.
Thanks Daniel. Now its very clear. Also I missed the checking of whether
the file is already opened or not.
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Received on 2017-08-13