unix: unify Sendmsg prologues
Follow CL 361256 which did the same in package syscall.
Change-Id: Ifd22e515c220806f02400baded821ec583959d78
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393274
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>
diff --git a/unix/syscall_bsd.go b/unix/syscall_bsd.go
index 0ce4523..11d1282 100644
--- a/unix/syscall_bsd.go
+++ b/unix/syscall_bsd.go
@@ -361,20 +361,7 @@
//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
- _, err = SendmsgN(fd, p, oob, to, flags)
- return
-}
-
-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
- var ptr unsafe.Pointer
- var salen _Socklen
- if to != nil {
- ptr, salen, err = to.sockaddr()
- if err != nil {
- return 0, err
- }
- }
+func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
var msg Msghdr
msg.Name = (*byte)(unsafe.Pointer(ptr))
msg.Namelen = uint32(salen)
