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

From: Daniel Stenberg via curl-library <>
Date: Sat, 24 Sep 2022 23:15:33 +0200 (CEST)

On Fri, 23 Sep 2022, Dmitry Karpov wrote:

> But how do you suggest to address the issues with "closed code" as I
> outlined in my previous post?

> " - if you code integrates (or will do that future) some "3rd party"
> components which might be using libcurl and dual-stack resolve modes, which
> you can't modify"

Closed source applications that use libcurl cannot be fixed unless the
creators fix their applications. This goes not only for IPv4/IPv6 issues but
for all options libcurl provides.

> I don't understand why do you call my proposal "a new way"?

Because it introduces both a new public API function call plus a new concept
of a global callback.

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Received on 2022-09-24