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Re: Feature request: provide ability to set a global callback function telling libcurl if IPv6 works on the system

From: Dan Fandrich via curl-library <>
Date: Tue, 20 Sep 2022 18:55:27 -0700

On Tue, Sep 20, 2022 at 11:49:08PM +0000, Dmitry Karpov via curl-library wrote:
> No matter how difficult it is (and maybe not always possible) to do it in multiple places, setting IP_RESOLVE option doesn't solve the problem which I am trying to resolve via this proposal.

How doesn't setting CURLOPT_IPRESOLVE fix this? Is it because Curl_ipv6works()
is being called somewhere anyway, and it adds a 30 msec delay? So, if libcurl
eliminated that call in the CURL_IPRESOLVE_V4 case, would it fix your problem?
Received on 2022-09-21