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Diffstat (limited to 'gcc-4.8.1/libgo/go/net/cgo_unix.go')
-rw-r--r--gcc-4.8.1/libgo/go/net/cgo_unix.go165
1 files changed, 0 insertions, 165 deletions
diff --git a/gcc-4.8.1/libgo/go/net/cgo_unix.go b/gcc-4.8.1/libgo/go/net/cgo_unix.go
deleted file mode 100644
index a4d96a86d..000000000
--- a/gcc-4.8.1/libgo/go/net/cgo_unix.go
+++ /dev/null
@@ -1,165 +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 darwin 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 (
- "syscall"
- "unsafe"
-)
-
-//extern getaddrinfo
-func libc_getaddrinfo(node *byte, service *byte, hints *syscall.Addrinfo, res **syscall.Addrinfo) int
-
-//extern freeaddrinfo
-func libc_freeaddrinfo(res *syscall.Addrinfo)
-
-//extern gai_strerror
-func libc_gai_strerror(errcode int) *byte
-
-// bytePtrToString takes a NUL-terminated array of bytes and convert
-// it to a Go string.
-func bytePtrToString(p *byte) string {
- a := (*[10000]byte)(unsafe.Pointer(p))
- i := 0
- for a[i] != 0 {
- i++
- }
- return string(a[:i])
-}
-
-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) {
- var res *syscall.Addrinfo
- var hints syscall.Addrinfo
-
- switch net {
- case "":
- // no hints
- case "tcp", "tcp4", "tcp6":
- hints.Ai_socktype = syscall.SOCK_STREAM
- hints.Ai_protocol = syscall.IPPROTO_TCP
- case "udp", "udp4", "udp6":
- hints.Ai_socktype = syscall.SOCK_DGRAM
- hints.Ai_protocol = syscall.IPPROTO_UDP
- default:
- return 0, UnknownNetworkError(net), true
- }
- if len(net) >= 4 {
- switch net[3] {
- case '4':
- hints.Ai_family = syscall.AF_INET
- case '6':
- hints.Ai_family = syscall.AF_INET6
- }
- }
-
- s := syscall.StringBytePtr(service)
- syscall.Entersyscall()
- gerrno := libc_getaddrinfo(nil, s, &hints, &res)
- syscall.Exitsyscall()
- if gerrno == 0 {
- defer libc_freeaddrinfo(res)
- for r := res; r != nil; r = r.Ai_next {
- switch r.Ai_family {
- default:
- continue
- case syscall.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 syscall.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) {
- var res *syscall.Addrinfo
- var hints syscall.Addrinfo
-
- hints.Ai_flags = int32(cgoAddrInfoFlags())
-
- h := syscall.StringBytePtr(name)
- syscall.Entersyscall()
- gerrno := libc_getaddrinfo(h, nil, &hints, &res)
- syscall.Exitsyscall()
- if gerrno != 0 {
- var str string
- if gerrno == syscall.EAI_NONAME {
- str = noSuchHost
- } else if gerrno == syscall.EAI_SYSTEM {
- str = syscall.GetErrno().Error()
- } else {
- str = bytePtrToString(libc_gai_strerror(gerrno))
- }
- return nil, "", &DNSError{Err: str, Name: name}, true
- }
- defer libc_freeaddrinfo(res)
- if res != nil {
- cname = bytePtrToString((*byte)(unsafe.Pointer(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 {
- // Everything comes back twice, once for UDP and once for TCP.
- if r.Ai_socktype != syscall.SOCK_STREAM {
- continue
- }
- switch r.Ai_family {
- default:
- continue
- case syscall.AF_INET:
- sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.Ai_addr))
- addrs = append(addrs, copyIP(sa.Addr[:]))
- case syscall.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 {
- y := make(IP, len(x))
- copy(y, x)
- return y
-}