diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/net/icmp/helper_posix.go')
-rw-r--r-- | vendor/github.com/miekg/dns/vendor/golang.org/x/net/icmp/helper_posix.go | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/icmp/helper_posix.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/icmp/helper_posix.go deleted file mode 100644 index 398fd388f..000000000 --- a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/icmp/helper_posix.go +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2014 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 dragonfly freebsd linux netbsd openbsd solaris windows - -package icmp - -import ( - "net" - "strconv" - "syscall" -) - -func sockaddr(family int, address string) (syscall.Sockaddr, error) { - switch family { - case syscall.AF_INET: - a, err := net.ResolveIPAddr("ip4", address) - if err != nil { - return nil, err - } - if len(a.IP) == 0 { - a.IP = net.IPv4zero - } - if a.IP = a.IP.To4(); a.IP == nil { - return nil, net.InvalidAddrError("non-ipv4 address") - } - sa := &syscall.SockaddrInet4{} - copy(sa.Addr[:], a.IP) - return sa, nil - case syscall.AF_INET6: - a, err := net.ResolveIPAddr("ip6", address) - if err != nil { - return nil, err - } - if len(a.IP) == 0 { - a.IP = net.IPv6unspecified - } - if a.IP.Equal(net.IPv4zero) { - a.IP = net.IPv6unspecified - } - if a.IP = a.IP.To16(); a.IP == nil || a.IP.To4() != nil { - return nil, net.InvalidAddrError("non-ipv6 address") - } - sa := &syscall.SockaddrInet6{ZoneId: zoneToUint32(a.Zone)} - copy(sa.Addr[:], a.IP) - return sa, nil - default: - return nil, net.InvalidAddrError("unexpected family") - } -} - -func zoneToUint32(zone string) uint32 { - if zone == "" { - return 0 - } - if ifi, err := net.InterfaceByName(zone); err == nil { - return uint32(ifi.Index) - } - n, err := strconv.Atoi(zone) - if err != nil { - return 0 - } - return uint32(n) -} - -func last(s string, b byte) int { - i := len(s) - for i--; i >= 0; i-- { - if s[i] == b { - break - } - } - return i -} |