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This commit is contained in:
MZI
2018-10-13 21:45:53 +08:00
parent bf5480b2df
commit db6c162b03
451 changed files with 139580 additions and 42578 deletions
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21
vendor/golang.org/x/sys/unix/sockcmsg_unix.go generated vendored
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@ -1,8 +1,8 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
// Socket control messages
@ -12,10 +12,11 @@ import "unsafe"
// Round the length of a raw sockaddr up to align it properly.
func cmsgAlignOf(salen int) int {
salign := sizeofPtr
// NOTE: It seems like 64-bit Darwin and DragonFly BSD kernels
// still require 32-bit aligned access to network subsystem.
if darwin64Bit || dragonfly64Bit {
salign := SizeofPtr
// NOTE: It seems like 64-bit Darwin, DragonFly BSD and
// Solaris kernels still require 32-bit aligned access to
// network subsystem.
if darwin64Bit || dragonfly64Bit || solaris64Bit {
salign = 4
}
return (salen + salign - 1) & ^(salign - 1)
@ -62,7 +63,7 @@ func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
func socketControlMessageHeaderAndData(b []byte) (*Cmsghdr, []byte, error) {
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
if h.Len < SizeofCmsghdr || int(h.Len) > len(b) {
if h.Len < SizeofCmsghdr || uint64(h.Len) > uint64(len(b)) {
return nil, nil, EINVAL
}
return h, b[cmsgAlignOf(SizeofCmsghdr):h.Len], nil
@ -77,10 +78,10 @@ func UnixRights(fds ...int) []byte {
h.Level = SOL_SOCKET
h.Type = SCM_RIGHTS
h.SetLen(CmsgLen(datalen))
data := uintptr(cmsgData(h))
data := cmsgData(h)
for _, fd := range fds {
*(*int32)(unsafe.Pointer(data)) = int32(fd)
data += 4
*(*int32)(data) = int32(fd)
data = unsafe.Pointer(uintptr(data) + 4)
}
return b
}