windows: revert security_windows.go change of CL 202177

This change is golang.org/x/sys/windows copy of CL 204117.

Updates golang/go#34972

Change-Id: I338c91bfe3971a80cbf44c2a0f1807adaa00918d
Reviewed-on: https://go-review.googlesource.com/c/sys/+/207199
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Alex Brainman
2019-11-17 11:10:08 +11:00
parent 2f86c98f34
commit b5d5184f72

View File

@@ -229,15 +229,13 @@ func LookupSID(system, account string) (sid *SID, domain string, accType uint32,
// String converts SID to a string format suitable for display, storage, or transmission.
func (sid *SID) String() string {
// From https://docs.microsoft.com/en-us/windows/win32/secbiomet/general-constants
const SecurityMaxSidSize = 68
var s *uint16
e := ConvertSidToStringSid(sid, &s)
if e != nil {
return ""
}
defer LocalFree((Handle)(unsafe.Pointer(s)))
return UTF16ToString((*[SecurityMaxSidSize]uint16)(unsafe.Pointer(s))[:])
return UTF16ToString((*[256]uint16)(unsafe.Pointer(s))[:])
}
// Len returns the length, in bytes, of a valid security identifier SID.