On Mon, 12 Jul 2021, Wu Yuanshou via curl-library wrote:
Shall I call curl_easy_setopt() during curl_easy_perform() ? It seems like
we should not do this according to the document I can find.Instead , I shall
quit from the curl_easy_perform() function , apply the setting via
curl_easy_setopt() and call curl_easy_perform() again.
Correct, that's the way the documentation encourages and that we guarantee.
There are a few options that users often rather want to modify at run-time,
like sometimes CURLOPT_MAX_RECV_SPEED_LARGE, and while there's no guarantee in
the docs or code, this typically works fine.
I would like us to at some point explictly mark and document which options
that are fine to update during a transfer.
--
/ daniel.haxx.se
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