Fix "PR c++/92804 ICE trying to use concept as a nested-name-specifier"
[official-gcc.git] / libgo / go / syscall / sockcmsg_dragonfly.go
blobd217d9eed14c1c7d666f66a2e079e24fae2f7cd1
1 // Copyright 2019 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 package syscall
7 // Round the length of a raw sockaddr up to align it properly.
8 func cmsgAlignOf(salen int) int {
9 salign := sizeofPtr
10 if sizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
11 // 64-bit Dragonfly before the September 2019 ABI changes still requires
12 // 32-bit aligned access to network subsystem.
13 salign = 4
15 return (salen + salign - 1) & ^(salign - 1)