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| author |  Miek Gieben <miek@miek.nl>
| 2016-03-30 16:45:02 +0000 |
|---|---|---|
| committer | Miek Gieben <miek@miek.nl>
| 2016-03-30 16:45:02 +0000 |
| commit | bf6d90600be7eac782e076b7c5f334e83ba9dea0 (patch) | |
| tree | 00fb49c912673d00b7880577992353c46c44a5b9 /middleware/canonical.go | |
| parent | 3838eabda49f01290caac204683264adec158e6f (diff) | |
| download | coredns-bf6d90600be7eac782e076b7c5f334e83ba9dea0.tar.gz coredns-bf6d90600be7eac782e076b7c5f334e83ba9dea0.tar.zst coredns-bf6d90600be7eac782e076b7c5f334e83ba9dea0.zip | |
add closest encloser stuff
Diffstat (limited to 'middleware/canonical.go')
| -rw-r--r-- | middleware/canonical.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/middleware/canonical.go b/middleware/canonical.go index 5d51231c2..b8953f655 100644 --- a/middleware/canonical.go +++ b/middleware/canonical.go @@ -17,8 +17,11 @@ func Less(a, b string) int { aj := len(a) bj := len(b) for { - ai, _ := dns.PrevLabel(a, i) - bi, _ := dns.PrevLabel(b, i) + ai, oka := dns.PrevLabel(a, i) + bi, okb := dns.PrevLabel(b, i) + if oka && okb { + return 0 + } // sadly this []byte will allocate... ab := []byte(a[ai:aj]) toLowerAndDDD(ab) |