go/net/conf.go

36 	confVal  = &conf{goos: runtime.GOOS}  var
42 	return confVal
47 	confVal.dnsDebugLevel = debugLevel
48 	confVal.netGo = netGo || dnsMode == "go"
49 	confVal.netCgo = netCgo || dnsMode == "cgo"
51 	if confVal.dnsDebugLevel > 0 {
54 			case confVal.netGo:
60 			case confVal.forceCgoLookupHost:
72 		confVal.forceCgoLookupHost = true
82 		confVal.netCgo ||
84 		confVal.forceCgoLookupHost = true
91 		confVal.forceCgoLookupHost = true
96 		confVal.nss = parseNSSConfFile("/etc/nsswitch.conf")
99 	confVal.resolv = dnsReadConfig("/etc/resolv.conf")
100 	if confVal.resolv.err != nil && !os.IsNotExist(confVal.resolv.err) &&
101 		!os.IsPermission(confVal.resolv.err) {
106 		confVal.forceCgoLookupHost = true
110 		confVal.hasMDNSAllow = true