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windows: expose reparse buffer types #260

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windows: expose reparse buffer types #260

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20 changes: 17 additions & 3 deletions windows/types_windows.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1896,7 +1896,7 @@ type TCPKeepalive struct {
Interval uint32
}

type symbolicLinkReparseBuffer struct {
type SymbolicLinkReparseBuffer struct {
SubstituteNameOffset uint16
SubstituteNameLength uint16
PrintNameOffset uint16
Expand All @@ -1905,15 +1905,28 @@ type symbolicLinkReparseBuffer struct {
PathBuffer [1]uint16
}

type mountPointReparseBuffer struct {
// Path returns path stored in rb.
func (rb *SymbolicLinkReparseBuffer) Path() string {
n1 := rb.SubstituteNameOffset / 2
n2 := (rb.SubstituteNameOffset + rb.SubstituteNameLength) / 2
return syscall.UTF16ToString((*[0xffff]uint16)(unsafe.Pointer(&rb.PathBuffer[0]))[n1:n2:n2])
}

type MountPointReparseBuffer struct {
SubstituteNameOffset uint16
SubstituteNameLength uint16
PrintNameOffset uint16
PrintNameLength uint16
PathBuffer [1]uint16
}

type reparseDataBuffer struct {
type ReparseDataBufferHeader struct {
ReparseTag uint32
ReparseDataLength uint16
Reserved uint16
}

type ReparseDataBuffer struct {
ReparseTag uint32
ReparseDataLength uint16
Reserved uint16
Expand Down Expand Up @@ -1974,6 +1987,7 @@ const (
IO_REPARSE_TAG_MOUNT_POINT = 0xA0000003
IO_REPARSE_TAG_SYMLINK = 0xA000000C
SYMBOLIC_LINK_FLAG_DIRECTORY = 0x1
SYMBOLIC_LINK_FLAG_RELATIVE = 1
)

const (
Expand Down