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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package guid
import (
"fmt"
"syscall"
"golang.org/x/sys/windows"
)
//sys clsidFromString(lpsz *uint16, pclsid *windows.GUID) (hr int32) = ole32.CLSIDFromString
//
// FromString parses "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" string to GUID.
//
func FromString(str string) (*windows.GUID, error) {
strUTF16, err := syscall.UTF16PtrFromString(str)
if err != nil {
return nil, err
}
guid := &windows.GUID{}
hr := clsidFromString(strUTF16, guid)
if hr < 0 {
return nil, syscall.Errno(hr)
}
return guid, nil
}
//
// ToString function converts GUID to string
// "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}".
//
// The resulting string is uppercase.
//
func ToString(guid *windows.GUID) string {
return fmt.Sprintf("{%06X-%04X-%04X-%04X-%012X}", guid.Data1, guid.Data2, guid.Data3, guid.Data4[:2], guid.Data4[2:])
}
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