Example of using Kotlin/Native on Windows

kotin-native-win32.kt

typealias WSTR = CPointer<ShortVar>

private fun WSTR.toKString(): String = memScoped {
    // Figure out how much memory we need after UTF-8 conversion.
    val sz = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, this@toKString, -1, null, 0, null, null)
    // Now convert to UTF-8 and from there, a String.
    val utf8 = allocArray<ByteVar>(sz)
    val r = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, this@toKString, -1, utf8, sz, null, null)
    if (r == 0) throw RuntimeException("Could not convert to UTF-8")
    utf8.toKString()
}

private val fullBinaryPath: String by lazy {
    // Get the path to the EXE.
    val hmodule = GetModuleHandleW(null)
    val wstr: WSTR = nativeHeap.allocArray<ShortVar>(MAX_PATH)
    GetModuleFileNameW(hmodule, wstr, MAX_PATH)
    // Strip the filename leaving just the directory.
    PathRemoveFileSpecW(wstr)
    wstr.toKString()
}