Zabbix

//go:build windows

// +build windows

​

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package win32

​

import (

    "syscall"

    "unsafe"

​

    "golang.org/x/sys/windows"

)

​

var (

    hAdvapi32 Hlib

​

    getServiceKeyName uintptr

)

​

func init() {

    hAdvapi32 = mustLoadLibrary("advapi32.dll")

​

    getServiceKeyName = hAdvapi32.mustGetProcAddress("GetServiceKeyNameW")

}

​

func GetServiceKeyName(h syscall.Handle, displayName string) (name string, err error) {

    wdn, err := windows.UTF16FromString(displayName)

    if err != nil {

        return

    }

    b := make([]uint16, 4096)

    size := uint32(len(b))

    ret, _, syserr := syscall.Syscall6(getServiceKeyName, 4, uintptr(h), uintptr(unsafe.Pointer(&wdn[0])),

        uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&size)), 0, 0)

    if ret == 0 {

        return "", syserr

    }

    return windows.UTF16ToString(b), nil

}