I see, but I don't think that matches the description of how - works. Of course, as it isn't implemented I'll be OK with redefining the meaning.

If so, I would suggest that you make loadhostpairs create a separate removal-list for all strings that start with a dash, and then you run through that removal-list and delete the entries again when the handle is closed/removed from multi.

Sound fair?

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** [bugs:#1431] removing names from DNS cache with CURLOPT_RESOLVE is not implemented**
**Status:** open
**Labels:** dns memory leak 
**Created:** Tue Oct 07, 2014 09:19 AM UTC by ygrek
**Last Updated:** Thu Oct 23, 2014 05:24 PM UTC
**Owner:** Daniel Stenberg
Removing names from DNS cache with CURLOPT_RESOLVE is not implemented (see TODO in Curl_loadhostpairs). With the fix 31860ab for https://sourceforge.net/p/curl/bugs/1327/ it means that constantly adding and deleting hostcache entries with CURLOPT_RESOLVE creates a memory leak, as such entries are never removed (nor by request nor automatically).
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