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Author SHA1 Message Date
Stefan Eissing
96d5b5c688
dnscache: own source file, improvements
- Rename `Curl_resolv_unlink()` to `Curl_dns_entry_unlink()`.
- Change `Curl_dnscache_get()` to return CURLcode result. Returns
  now `CURLE_COULDNT_RESOLVE_HOST` for "negative" cache entries.
- Add `Curl_dnscache_add_negative()` to put a "negative" entry
  into the cache.

Closes #20864
2026-03-21 12:04:36 +01:00