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device: zero out allowedip node pointers when removing

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This should make it a bit easier for the garbage collector.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2021-06-04 16:33:28 +02:00
parent d0cf96114f
commit f9b48a961c
2 changed files with 22 additions and 1 deletions
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11
device/allowedips_test.go
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@@ -159,7 +159,16 @@ func TestTrieIPv4(t *testing.T) {
assertNEQ(a, 192, 0, 0, 0)
assertNEQ(a, 255, 0, 0, 0)
allowedIPs = AllowedIPs{}
allowedIPs.RemoveByPeer(a)
allowedIPs.RemoveByPeer(b)
allowedIPs.RemoveByPeer(c)
allowedIPs.RemoveByPeer(d)
allowedIPs.RemoveByPeer(e)
allowedIPs.RemoveByPeer(g)
allowedIPs.RemoveByPeer(h)
if allowedIPs.IPv4 != nil || allowedIPs.IPv6 != nil {
t.Error("Expected removing all the peers to empty trie, but it did not")
}
insert(a, 192, 168, 0, 0, 16)
insert(a, 192, 168, 0, 0, 24)