logos-messaging/go-multiaddr
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fixed link local check

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Juan Batiz-Benet 2015-01-12 11:56:57 -08:00
parent 8359bd0b54
commit 2bb75c7221
1 changed files with 2 additions and 2 deletions
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4
ip.go
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@ -70,11 +70,11 @@ func IsIPLoopback(m ma.Multiaddr) bool {
} }
// IP6 Link Local addresses are non routable. The prefix is technically // IP6 Link Local addresses are non routable. The prefix is technically
// fe80::/10, but we test fe80::/12 for simplicity (no need to mask). // fe80::/10, but we test fe80::/16 for simplicity (no need to mask).
// So far, no hardware interfaces exist long enough to use those 2 bits. // So far, no hardware interfaces exist long enough to use those 2 bits.
// Send a PR if there is. // Send a PR if there is.
func IsIP6LinkLocal(m ma.Multiaddr) bool { func IsIP6LinkLocal(m ma.Multiaddr) bool {
return bytes.HasPrefix(m.Bytes(), []byte{ma.P_IP6, 0xfe, 0x80, 0}) return bytes.HasPrefix(m.Bytes(), []byte{ma.P_IP6, 0xfe, 0x80})
} }
// IsIPUnspecified returns whether a Multiaddr is am Unspecified IP address // IsIPUnspecified returns whether a Multiaddr is am Unspecified IP address