lpcwstr.go

package lpcwstr

// #include <windows.h>
// #include <wchar.h>
// #include <WinNT.h>
import "C"

import (
	"unicode/utf16"
	"unsafe"
)

const maxRunes = 1<<30 - 1

func Decode(cwstr C.LPCWSTR) string {
	ptr := unsafe.Pointer(cwstr)
	sz := C.wcslen((*C.wchar_t)(ptr))
	wstr := (*[maxRunes]uint16)(ptr)[:sz:sz]
	return string(utf16.Decode(wstr))
}

func Encode(s string) C.LPCWSTR {
	wstr := utf16.Encode([]rune(s))
	wstr = append(wstr, 0x00)
	return (C.LPCWSTR)(unsafe.Pointer(&wstr[0]))
}