1. Try CURLINFO_CONTENT_LENGTH_UPLOAD, it is supposed to report the
size of the file on the remote side. I told Daniel I thought
the names of these 2 variables were misleading.

2. CURLINFO_CONTENT_LENGTH_DOWNLOAD should report the size of
a local file, while CURLINFO_SIZE_DOWNLOAD reports how much
has been transferred in the current session in the download
direction. UPLOAD ones are reverse of DOWNLOAD ones, respectively.

CURLINFO_CONTENT_LENGTH_UPLOAD will get the size of the remote
file without downloading it. I believe it uses the HEAD reuest
to do it, getting the Content-Length of the remote file.

Bob Schader

Kai Zaunick wrote:
>
> Hi,
>
> first of all I would like to thank Daniel for his really nice libcurl interface.
> It is easy to use and very powerful , especially with the callback functions.
> Currently I came accross a small problem which might be easily resolved:
>
> 1. I use the RANGE parameter to download the first 5kb of a file
> 2. After retrieving the download and computing a MD5 hash I would like to get the total filesize
> of that file.
> 3. Therefore I thought CURLINFO_CONTENT_LENGTH_DOWNLOAD is the right
> parameter for the curl_get_info. Unfortunately it just returns 5kb and not the total size of the
> file (as transmitted sometimes with the Content-Length in the HTTP header).
>
> My questions:
> 1. Is there a way to retrieve the total size without downloading the complete file (FTP and HTTP)
> inside libcurl.
> 2. What is the difference between CURLINFO_CONTENT_LENGTH_DOWNLOAD and
> CURLINFO_SIZE_DOWNLOAD?
>
> Thanks for any suggestions!
>
> Kai.
>
> _______________________________________________
> Curl-library mailing list
> Curl-library_at_lists.sourceforge.net
> http://lists.sourceforge.net/lists/listinfo/curl-library

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Received on 2001-03-01