Ondřej Surý 8ddab7f0b8 Implement Fisher-Yates shuffle for nameserver selection ... Replace the two-pass "random start index and wrap around" logic in fctx_getaddresses_nameservers() with a statistically sound Fisher-Yates shuffle. The previous implementation picked a random starting node and did two passes over the linked list to find query candidates. The new logic extracts the available nameservers into a bounded, stack-allocated array of dns_rdata_t structures. This array is then randomized in-place using a Fisher-Yates shuffle. Finally, the shuffled array is traversed sequentially to launch fetches until the dynamic quota (fctx->pending_running >= fetches_allowed) is reached. This guarantees a fair random distribution for outbound queries while properly respecting dynamic query limits, entirely within O(1) memory and without the overhead of linked-list pointer shuffling or multiple dataset traversals. (cherry picked from commit 3c33e7d937)		2026-02-26 08:17:23 +01:00
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dns	Implement Fisher-Yates shuffle for nameserver selection	2026-02-26 08:17:23 +01:00
isc	Enforce NSEC3 record consistency	2026-02-24 17:10:52 +01:00
isccc	Remove redundant parentheses from the return statement	2024-11-19 14:26:52 +01:00
isccfg	standardize CHECK and RETERR macros	2025-12-03 19:17:20 -08:00
ns	Clear serve-stale flags when following the CNAME chains	2026-02-25 11:30:34 +01:00
.gitignore	The isc/platform.h header has been completely removed	2021-07-06 05:33:48 +00:00
Makefile.am	Move irs_resconf into libdns and remove libirs	2023-02-24 09:38:59 +00:00