mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-26 04:02:12 +00:00
56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
|
// 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.
|
||
|
|
|
||
|
|
//go:build aix || darwin || freebsd || linux || solaris || zos
|
||
|
|
// +build aix darwin freebsd linux solaris zos
|
||
|
|
|
||
|
|
package ipv6
|
||
|
|
|
||
|
|
import (
|
||
|
|
"net"
|
||
|
|
"unsafe"
|
||
|
|
|
||
|
|
"golang.org/x/net/internal/socket"
|
||
|
|
)
|
||
|
|
|
||
|
|
var compatFreeBSD32 bool // 386 emulation on amd64
|
||
|
|
|
||
|
|
func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
|
||
|
|
var gr groupReq
|
||
|
|
if ifi != nil {
|
||
|
|
gr.Interface = uint32(ifi.Index)
|
||
|
|
}
|
||
|
|
gr.setGroup(grp)
|
||
|
|
var b []byte
|
||
|
|
if compatFreeBSD32 {
|
||
|
|
var d [sizeofGroupReq + 4]byte
|
||
|
|
s := (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))
|
||
|
|
copy(d[:4], s[:4])
|
||
|
|
copy(d[8:], s[4:])
|
||
|
|
b = d[:]
|
||
|
|
} else {
|
||
|
|
b = (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))[:sizeofGroupReq]
|
||
|
|
}
|
||
|
|
return so.Set(c, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
|
||
|
|
var gsr groupSourceReq
|
||
|
|
if ifi != nil {
|
||
|
|
gsr.Interface = uint32(ifi.Index)
|
||
|
|
}
|
||
|
|
gsr.setSourceGroup(grp, src)
|
||
|
|
var b []byte
|
||
|
|
if compatFreeBSD32 {
|
||
|
|
var d [sizeofGroupSourceReq + 4]byte
|
||
|
|
s := (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))
|
||
|
|
copy(d[:4], s[:4])
|
||
|
|
copy(d[8:], s[4:])
|
||
|
|
b = d[:]
|
||
|
|
} else {
|
||
|
|
b = (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))[:sizeofGroupSourceReq]
|
||
|
|
}
|
||
|
|
return so.Set(c, b)
|
||
|
|
}
|