GoToSocial/vendor/golang.org/x/net/ipv4/sys_ssmreq.go
dependabot[bot] 5c17ecd93a
[chore]: Bump golang.org/x/net from 0.17.0 to 0.18.0 ()
Bumps [golang.org/x/net](https://github.com/golang/net) from 0.17.0 to 0.18.0.
- [Commits](https://github.com/golang/net/compare/v0.17.0...v0.18.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2023-11-27 13:59:07 +01:00

53 lines
1.2 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 darwin || freebsd || linux || solaris
package ipv4
import (
"net"
"unsafe"
"golang.org/x/net/internal/socket"
)
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)
}