Hi all,
When performing a standard HTTP POST (w/o chunked encoding) with a custom
read function, a common mistake is to forget to explicitly set the POST size
via `CURLOPT_POSTFIELDSIZE`.
This results in libcurl sending a negative content length:
Content-Length: -1
, which gives a bad request.
The question is: should we prevent libcurl to send the request by failing early?
IMHO that would be helpful for the caller to help him understand the misuse.
Before sending a patch, I was wondering if `CURLE_UPLOAD_FAILED` would be the
best error code to use there.
Any suggestion or remark?
Thanks!
Cédric
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