2017-02-13 14:18 GMT+01:00 Patrick Monnerat <patrick_at_monnerat.net>:

>
> I understand actual data size is size * nmemb but why have it decomposed
>> like this? IOW: what are size and nmemb meant to convey themselves?
>>
>> The callback function prototype is compatible with the standard C
> procedure fwrite (https://linux.die.net/man/3/fwrite), which is the
> default write procedure (note that the default write data pointer is
> stdout). The parameters semantics is the same. See exlanation there.

When I call fwrite I know what the written items are, what their size is,
and how many of them there are. When in a callback I know how many items
I'm receiving and their sizes, but not what they are, unless specified in
the documentation.

Now, thanks to your response (and Patrik's), I understand this has no
significance at all in this instance. I gather it's just more convenient to
call fwrite and friends from my callback function with the given data.

-- 
Saludos / Regards,
David Requena

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Received on 2017-02-13