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Re: Ranged PUTs, Content-Range, and Content-Length

From: Ray Satiro via curl-library <>
Date: Fri, 3 May 2019 17:38:37 -0400

On 5/3/2019 9:55 AM, Daniel Stenberg via curl-library wrote:
> On Thu, 2 May 2019, Christopher Head via curl-library wrote:
>>> CURLOPT_RANGE specifically as far as I know is only supposed to be
>>> used for download, not upload (can anyone confirm?)
>> And yet, looking at the source code, there are explicit conditionals to
>> check for CURLOPT_RANGE and turn it into a Content-Range header in an
>> upload.
> As I mentioned in the issue [3814], curl does support ranged PUT
> requests since basically the beginning of time and there are even
> tests that verify this.
> 3814 =

I think this will be unclear to the reporter since he basically wants to
upload arbitrary parts of a file [1]. curl supports resuming an upload
and sets Content-Range in that case (CURLOPT_RESUME_FROM and
CURLOPT_INFILESIZE) but does not support CURLOPT_RANGE for arbitrary
parts, would you agree?


Received on 2019-05-03