IsBadStringPtrW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOL IsBadStringPtrW(
    LPCWSTR lpsz,   // optional
    UINT_PTR ucchMax
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function IsBadStringPtrW(
    <MarshalAs(UnmanagedType.LPWStr)> lpsz As String,   ' LPCWSTR optional
    ucchMax As UIntPtr   ' UINT_PTR
) As Boolean
End Function

' lpsz : LPCWSTR optional
' ucchMax : UINT_PTR
Declare PtrSafe Function IsBadStringPtrW Lib "kernel32" ( _
    ByVal lpsz As LongPtr, _
    ByVal ucchMax As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

IsBadStringPtrW = ctypes.windll.kernel32.IsBadStringPtrW
IsBadStringPtrW.restype = wintypes.BOOL
IsBadStringPtrW.argtypes = [
    wintypes.LPCWSTR,  # lpsz : LPCWSTR optional
    ctypes.c_size_t,  # ucchMax : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
IsBadStringPtrW = Fiddle::Function.new(
  lib['IsBadStringPtrW'],
  [
    Fiddle::TYPE_VOIDP,  # lpsz : LPCWSTR optional
    Fiddle::TYPE_UINTPTR_T,  # ucchMax : UINT_PTR
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn IsBadStringPtrW(
        lpsz: *const u16,  // LPCWSTR optional
        ucchMax: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode)]
public static extern bool IsBadStringPtrW([MarshalAs(UnmanagedType.LPWStr)] string lpsz, UIntPtr ucchMax);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_IsBadStringPtrW' -Namespace Win32 -PassThru
# $api::IsBadStringPtrW(lpsz, ucchMax)

#uselib "KERNEL32.dll"
#func global IsBadStringPtrW "IsBadStringPtrW" wptr, wptr
; IsBadStringPtrW lpsz, ucchMax   ; 戻り値は stat
; lpsz : LPCWSTR optional -> "wptr"
; ucchMax : UINT_PTR -> "wptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "KERNEL32.dll"
#cfunc global IsBadStringPtrW "IsBadStringPtrW" wstr, sptr
; res = IsBadStringPtrW(lpsz, ucchMax)
; lpsz : LPCWSTR optional -> "wstr"
; ucchMax : UINT_PTR -> "sptr"

; BOOL IsBadStringPtrW(LPCWSTR lpsz, UINT_PTR ucchMax)
#uselib "KERNEL32.dll"
#cfunc global IsBadStringPtrW "IsBadStringPtrW" wstr, intptr
; res = IsBadStringPtrW(lpsz, ucchMax)
; lpsz : LPCWSTR optional -> "wstr"
; ucchMax : UINT_PTR -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procIsBadStringPtrW = kernel32.NewProc("IsBadStringPtrW")
)

// lpsz (LPCWSTR optional), ucchMax (UINT_PTR)
r1, _, err := procIsBadStringPtrW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpsz))),
	uintptr(ucchMax),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function IsBadStringPtrW(
  lpsz: PWideChar;   // LPCWSTR optional
  ucchMax: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'IsBadStringPtrW';

result := DllCall("KERNEL32\IsBadStringPtrW"
    , "WStr", lpsz   ; LPCWSTR optional
    , "UPtr", ucchMax   ; UINT_PTR
    , "Int")   ; return: BOOL

●IsBadStringPtrW(lpsz, ucchMax) = DLL("KERNEL32.dll", "bool IsBadStringPtrW(char*, int)")
# 呼び出し: IsBadStringPtrW(lpsz, ucchMax)
# lpsz : LPCWSTR optional -> "char*"
# ucchMax : UINT_PTR -> "int"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。