On Fri, 25 Sep 2009, Gross, Tim (Utility Computing Architect) wrote:

>> http://curl.haxx.se/libcurl/c/post-callback.html

> Thanks for the pointer to this sample program. I have one question about
> setting the CURLOPT_POSTFIELDSIZE_LARGE option, which I think is preferable
> if I am posting the contents of a large file.

Either that, or set the chunked encoding header.

> Should the parameter
> curl_easy_setopt() be the size of the data transferred with each call to the
> read_callback function, or the total size?

The total.

> If I am reading in the content from a file, maybe this should be the size of
> the file.

It should be the total size you're going to POST.

> I am not sure what effect setting the CURLOPT_POSTFIELDSIZE_LARGE really
> has. I have read the documentation, but it is not clear. Does this set the
> maximum number of bytes to transfer.

It tells the server (and libcurl) how many bytes you're about to transfer.

-- 
  / daniel.haxx.se
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