On 2/1/2019 5:52 AM, Felipe Kersting via curl-library wrote: > Hello developers, > > I have the following problem: > > I'm using libcurl to send a large chunk of data to a server, using a URL > that always redirects me to the real endpoint via a reponse with 307 > HTTP status + Location. I have set my CURLOPT_READFUNCTION callback to > properly fetch my data, and when CURLOPT_SEEKFUNCTION is also set, my > request works. The data is sent succesfully. > > However, depending on the size of the data, I can't provide the > SEEK_FUNCTION to libcurl, because the data can't fit in the local > storage. So, my idea is to send the data dynamically using the > READ_FUNCTION. The problem is that, when I don't provide the > SEEK_FUNCTION, my request fails with the following error: > curl_easy_perform() failed: Send failed since rewinding of the data > stream failed > > I think the redirection is also helping to make things worse. > > Is there a workaround here? Is it possible to send a large chunk of data > without the SEEK function? > > Thank you! > Felipe > > ------------------------------------------------------------------- > Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library > Etiquette: https://curl.haxx.se/mail/etiquette.html >
Try returning CURL_SEEKFUNC_CANTSEEK (-2) from the SEEK_FUNCTION. Regards, Andrew Lambert ------------------------------------------------------------------- Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html
