1 files changed, 0 insertions, 164 deletions
diff --git a/src/pkg/net/cgo_unix.go b/src/pkg/net/cgo_unix.go
deleted file mode 100644
index 1f366ee5c..000000000
--- a/src/pkg/net/cgo_unix.go
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !netgo
-// +build darwin dragonfly freebsd linux netbsd openbsd
-
-package net
-
-/*
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-*/
-import "C"
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-func cgoLookupHost(name string) (addrs []string, err error, completed bool) {
-	ip, err, completed := cgoLookupIP(name)
-	for _, p := range ip {
-		addrs = append(addrs, p.String())
-	}
-	return
-}
-
-func cgoLookupPort(net, service string) (port int, err error, completed bool) {
-	acquireThread()
-	defer releaseThread()
-
-	var res *C.struct_addrinfo
-	var hints C.struct_addrinfo
-
-	switch net {
-	case "":
-		// no hints
-	case "tcp", "tcp4", "tcp6":
-		hints.ai_socktype = C.SOCK_STREAM
-		hints.ai_protocol = C.IPPROTO_TCP
-	case "udp", "udp4", "udp6":
-		hints.ai_socktype = C.SOCK_DGRAM
-		hints.ai_protocol = C.IPPROTO_UDP
-	default:
-		return 0, UnknownNetworkError(net), true
-	}
-	if len(net) >= 4 {
-		switch net[3] {
-		case '4':
-			hints.ai_family = C.AF_INET
-		case '6':
-			hints.ai_family = C.AF_INET6
-		}
-	}
-
-	s := C.CString(service)
-	defer C.free(unsafe.Pointer(s))
-	if C.getaddrinfo(nil, s, &hints, &res) == 0 {
-		defer C.freeaddrinfo(res)
-		for r := res; r != nil; r = r.ai_next {
-			switch r.ai_family {
-			default:
-				continue
-			case C.AF_INET:
-				sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.ai_addr))
-				p := (*[2]byte)(unsafe.Pointer(&sa.Port))
-				return int(p[0])<<8 | int(p[1]), nil, true
-			case C.AF_INET6:
-				sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(r.ai_addr))
-				p := (*[2]byte)(unsafe.Pointer(&sa.Port))
-				return int(p[0])<<8 | int(p[1]), nil, true
-			}
-		}
-	}
-	return 0, &AddrError{"unknown port", net + "/" + service}, true
-}
-
-func cgoLookupIPCNAME(name string) (addrs []IP, cname string, err error, completed bool) {
-	acquireThread()
-	defer releaseThread()
-
-	var res *C.struct_addrinfo
-	var hints C.struct_addrinfo
-
-	hints.ai_flags = cgoAddrInfoFlags()
-	hints.ai_socktype = C.SOCK_STREAM
-
-	h := C.CString(name)
-	defer C.free(unsafe.Pointer(h))
-	gerrno, err := C.getaddrinfo(h, nil, &hints, &res)
-	if gerrno != 0 {
-		var str string
-		if gerrno == C.EAI_NONAME {
-			str = noSuchHost
-		} else if gerrno == C.EAI_SYSTEM {
-			if err == nil {
-				// err should not be nil, but sometimes getaddrinfo returns
-				// gerrno == C.EAI_SYSTEM with err == nil on Linux.
-				// The report claims that it happens when we have too many
-				// open files, so use syscall.EMFILE (too many open files in system).
-				// Most system calls would return ENFILE (too many open files),
-				// so at the least EMFILE should be easy to recognize if this
-				// comes up again. golang.org/issue/6232.
-				err = syscall.EMFILE
-			}
-			str = err.Error()
-		} else {
-			str = C.GoString(C.gai_strerror(gerrno))
-		}
-		return nil, "", &DNSError{Err: str, Name: name}, true
-	}
-	defer C.freeaddrinfo(res)
-	if res != nil {
-		cname = C.GoString(res.ai_canonname)
-		if cname == "" {
-			cname = name
-		}
-		if len(cname) > 0 && cname[len(cname)-1] != '.' {
-			cname += "."
-		}
-	}
-	for r := res; r != nil; r = r.ai_next {
-		// We only asked for SOCK_STREAM, but check anyhow.
-		if r.ai_socktype != C.SOCK_STREAM {
-			continue
-		}
-		switch r.ai_family {
-		default:
-			continue
-		case C.AF_INET:
-			sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.ai_addr))
-			addrs = append(addrs, copyIP(sa.Addr[:]))
-		case C.AF_INET6:
-			sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(r.ai_addr))
-			addrs = append(addrs, copyIP(sa.Addr[:]))
-		}
-	}
-	return addrs, cname, nil, true
-}
-
-func cgoLookupIP(name string) (addrs []IP, err error, completed bool) {
-	addrs, _, err, completed = cgoLookupIPCNAME(name)
-	return
-}
-
-func cgoLookupCNAME(name string) (cname string, err error, completed bool) {
-	_, cname, err, completed = cgoLookupIPCNAME(name)
-	return
-}
-
-func copyIP(x IP) IP {
-	if len(x) < 16 {
-		return x.To16()
-	}
-	y := make(IP, len(x))
-	copy(y, x)
-	return y
-}