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d8714e64e4
* Rename middleware to plugin first pass; mostly used 'sed', few spots where I manually changed text. This still builds a coredns binary. * fmt error * Rename AddMiddleware to AddPlugin * Readd AddMiddleware to remain backwards compat
25 lines
463 B
Go
25 lines
463 B
Go
package file
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import (
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"github.com/coredns/coredns/plugin/file/tree"
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"github.com/miekg/dns"
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)
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// ClosestEncloser returns the closest encloser for qname.
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func (z *Zone) ClosestEncloser(qname string) (*tree.Elem, bool) {
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offset, end := dns.NextLabel(qname, 0)
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for !end {
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elem, _ := z.Tree.Search(qname)
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if elem != nil {
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return elem, true
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}
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qname = qname[offset:]
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offset, end = dns.NextLabel(qname, offset)
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}
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return z.Tree.Search(z.origin)
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}
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