Bugs item #2943341, was opened at 2010-01-31 13:11
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Category: name resolving/DNS
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Charles Kerr ()
Assigned to: Daniel Stenberg (bagder)
Summary: rfe: hooks for external DNS resolution

Initial Comment:
Many large distributions do not compile libcurl with c-ares, making DNS lookup unavoidably blocking. However there are other tools available for nonblocking DNS resolution, such as libevent's evdns module. I don't know why OSes don't build libcurl with c-ares, but it would be moot if libcurl had hooks for delegating DNS resolution to another tool.

Alternately maybe libcurl could require c-ares rather than leaving it as an option, but surely that's been discussed before, and there are probably reasons for leaving it as an optional requirement.

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Received on 2010-01-31