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syscall: Correct length of GNU/Linux abstract Unix domain sockaddr.
R=rsc, iant2 CC=golang-dev https://golang.org/cl/3974044
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@ -253,12 +253,15 @@ func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
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for i := 0; i < n; i++ {
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sa.raw.Path[i] = int8(name[i])
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}
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// length is family (uint16), name, NUL.
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sl := 2 + _Socklen(n) + 1
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if sa.raw.Path[0] == '@' {
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sa.raw.Path[0] = 0
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// Don't count trailing NUL for abstract address.
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sl--
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}
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// length is family (uint16), name, NUL.
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return uintptr(unsafe.Pointer(&sa.raw)), 2 + _Socklen(n) + 1, 0
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return uintptr(unsafe.Pointer(&sa.raw)), sl, 0
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}
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type SockaddrLinklayer struct {
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