Hi,
We have a system which has been working happily for years including resuming FTP downloads using libcurl 7.15.5. This was over a serial comms link with PPP.

A recent modification to our system is to allow similar downloads over GSM which is a bit more flaky. One of the enhancements was to upgrade libcurl to the latest, v7.37.1, and whilst early indications suggest the FTP as a whole is slightly faster and more reliable, resuming interrupted downloads always fails straight off with an error code 31, REST command failure. I can't find anything obviously different in programming libcurl between 7.15 & 7.37.

               curl_easy_setopt(curl, CURLOPT_RESUME_FROM, (long)#(ftpResumeFrom));

Regards
Dave Bentham

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Received on 2014-10-02