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ipv4: use unsafe.Sizeof on struct size, not pointer size

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Fix for CL 203400.

Change-Id: Ia0006cdeff4992a218c7a355bd83354138706833
Reviewed-on: https://go-review.googlesource.com/c/net/+/203777
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Brad Fitzpatrick
2019-10-28 03:02:19 +00:00
committed by Tobias Klauser
parent 53de4c7853
commit fe3aa8a452
1 changed files with 1 additions and 1 deletions
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2
ipv4/control_bsd.go
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@@ -36,6 +36,6 @@ func marshalInterface(b []byte, cm *ControlMessage) []byte {
func parseInterface(cm *ControlMessage, b []byte) {
var sadl syscall.SockaddrDatalink
copy((*[unsafe.Sizeof(&sadl)]byte)(unsafe.Pointer(&sadl))[:], b)
copy((*[unsafe.Sizeof(sadl)]byte)(unsafe.Pointer(&sadl))[:], b)
cm.IfIndex = int(sadl.Index)
}