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unix: unify Recvmsg epilogues

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Follow CL 361258 which did the same in package syscall.

Change-Id: I721406286d84ec999978e7e1ea25b6a2b3e195e6
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393294
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2022-03-17 06:15:10 +00:00
committed by Tobias Klauser
parent 22a226b3d1
commit 51cd9980da
5 changed files with 18 additions and 24 deletions
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unix/syscall_bsd.go
+2 -7
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@@ -325,10 +325,9 @@ func GetsockoptString(fd, level, opt int) (string, error) {
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) {
var msg Msghdr
var rsa RawSockaddrAny
msg.Name = (*byte)(unsafe.Pointer(&rsa))
msg.Name = (*byte)(unsafe.Pointer(rsa))
msg.Namelen = uint32(SizeofSockaddrAny)
var iov Iovec
if len(p) > 0 {
@@ -352,10 +351,6 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
}
oobn = int(msg.Controllen)
recvflags = int(msg.Flags)
// source address is only specified if the socket is unconnected
if rsa.Addr.Family != AF_UNSPEC {
from, err = anyToSockaddr(fd, &rsa)
}
return
}