VictoriaMetrics/lib/netutil/dns.go

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package netutil
import (
"strings"
)
// ParseGroupAddr parses `groupID/addrX` addr and returns (groupID, addrX).
//
// If addr doesn't contain `groupID/` prefix, then ("", addr) is returned.
func ParseGroupAddr(addr string) (string, string) {
n := strings.IndexByte(addr, '/')
if n < 0 {
return "", addr
}
if strings.HasPrefix(addr, "file:") {
return "", addr
}
return addr[:n], addr[n+1:]
}