//go:build windows

package main

import (
	"os"
	"syscall"

	"golang.org/x/sys/windows"
)

func openRecord(path string) (*os.File, error) {
	name, err := windows.UTF16PtrFromString(path)
	if err != nil {
		return nil, err
	}
	handle, err := windows.CreateFile(name, windows.GENERIC_READ, windows.FILE_SHARE_READ,
		nil, windows.OPEN_EXISTING, windows.FILE_FLAG_OPEN_REPARSE_POINT, 0)
	if err != nil {
		return nil, err
	}
	var data windows.ByHandleFileInformation
	if err := windows.GetFileInformationByHandle(handle, &data); err != nil {
		windows.CloseHandle(handle)
		return nil, err
	}
	if data.FileAttributes&windows.FILE_ATTRIBUTE_REPARSE_POINT != 0 {
		windows.CloseHandle(handle)
		return nil, syscall.EINVAL
	}
	return os.NewFile(uintptr(handle), path), nil
}