DRMConstructCertificateChain

// msdrm.dll
#include <windows.h>

HRESULT DRMConstructCertificateChain(
    DWORD cCertificates,
    LPWSTR* rgwszCertificates,
    DWORD* pcChain,
    LPWSTR wszChain   // optional
);

<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMConstructCertificateChain(
    cCertificates As UInteger,   ' DWORD
    rgwszCertificates As IntPtr,   ' LPWSTR*
    ByRef pcChain As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> wszChain As System.Text.StringBuilder   ' LPWSTR optional, out
) As Integer
End Function

' cCertificates : DWORD
' rgwszCertificates : LPWSTR*
' pcChain : DWORD* in/out
' wszChain : LPWSTR optional, out
Declare PtrSafe Function DRMConstructCertificateChain Lib "msdrm" ( _
    ByVal cCertificates As Long, _
    ByVal rgwszCertificates As LongPtr, _
    ByRef pcChain As Long, _
    ByVal wszChain As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DRMConstructCertificateChain = ctypes.windll.msdrm.DRMConstructCertificateChain
DRMConstructCertificateChain.restype = ctypes.c_int
DRMConstructCertificateChain.argtypes = [
    wintypes.DWORD,  # cCertificates : DWORD
    ctypes.c_void_p,  # rgwszCertificates : LPWSTR*
    ctypes.POINTER(wintypes.DWORD),  # pcChain : DWORD* in/out
    wintypes.LPWSTR,  # wszChain : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMConstructCertificateChain = Fiddle::Function.new(
  lib['DRMConstructCertificateChain'],
  [
    -Fiddle::TYPE_INT,  # cCertificates : DWORD
    Fiddle::TYPE_VOIDP,  # rgwszCertificates : LPWSTR*
    Fiddle::TYPE_VOIDP,  # pcChain : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # wszChain : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdrm")]
extern "system" {
    fn DRMConstructCertificateChain(
        cCertificates: u32,  // DWORD
        rgwszCertificates: *mut *mut u16,  // LPWSTR*
        pcChain: *mut u32,  // DWORD* in/out
        wszChain: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMConstructCertificateChain(uint cCertificates, IntPtr rgwszCertificates, ref uint pcChain, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder wszChain);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMConstructCertificateChain' -Namespace Win32 -PassThru
# $api::DRMConstructCertificateChain(cCertificates, rgwszCertificates, pcChain, wszChain)

#uselib "msdrm.dll"
#func global DRMConstructCertificateChain "DRMConstructCertificateChain" sptr, sptr, sptr, sptr
; DRMConstructCertificateChain cCertificates, varptr(rgwszCertificates), varptr(pcChain), varptr(wszChain)   ; 戻り値は stat
; cCertificates : DWORD -> "sptr"
; rgwszCertificates : LPWSTR* -> "sptr"
; pcChain : DWORD* in/out -> "sptr"
; wszChain : LPWSTR optional, out -> "sptr"
; ※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 "msdrm.dll"
#cfunc global DRMConstructCertificateChain "DRMConstructCertificateChain" int, var, var, var
; res = DRMConstructCertificateChain(cCertificates, rgwszCertificates, pcChain, wszChain)
; cCertificates : DWORD -> "int"
; rgwszCertificates : LPWSTR* -> "var"
; pcChain : DWORD* in/out -> "var"
; wszChain : LPWSTR optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT DRMConstructCertificateChain(DWORD cCertificates, LPWSTR* rgwszCertificates, DWORD* pcChain, LPWSTR wszChain)
#uselib "msdrm.dll"
#cfunc global DRMConstructCertificateChain "DRMConstructCertificateChain" int, var, var, var
; res = DRMConstructCertificateChain(cCertificates, rgwszCertificates, pcChain, wszChain)
; cCertificates : DWORD -> "int"
; rgwszCertificates : LPWSTR* -> "var"
; pcChain : DWORD* in/out -> "var"
; wszChain : LPWSTR optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	msdrm = windows.NewLazySystemDLL("msdrm.dll")
	procDRMConstructCertificateChain = msdrm.NewProc("DRMConstructCertificateChain")
)

// cCertificates (DWORD), rgwszCertificates (LPWSTR*), pcChain (DWORD* in/out), wszChain (LPWSTR optional, out)
r1, _, err := procDRMConstructCertificateChain.Call(
	uintptr(cCertificates),
	uintptr(rgwszCertificates),
	uintptr(pcChain),
	uintptr(wszChain),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DRMConstructCertificateChain(
  cCertificates: DWORD;   // DWORD
  rgwszCertificates: PPWideChar;   // LPWSTR*
  pcChain: Pointer;   // DWORD* in/out
  wszChain: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMConstructCertificateChain';

result := DllCall("msdrm\DRMConstructCertificateChain"
    , "UInt", cCertificates   ; DWORD
    , "Ptr", rgwszCertificates   ; LPWSTR*
    , "Ptr", pcChain   ; DWORD* in/out
    , "Ptr", wszChain   ; LPWSTR optional, out
    , "Int")   ; return: HRESULT

●DRMConstructCertificateChain(cCertificates, rgwszCertificates, pcChain, wszChain) = DLL("msdrm.dll", "int DRMConstructCertificateChain(dword, void*, void*, char*)")
# 呼び出し: DRMConstructCertificateChain(cCertificates, rgwszCertificates, pcChain, wszChain)
# cCertificates : DWORD -> "dword"
# rgwszCertificates : LPWSTR* -> "void*"
# pcChain : DWORD* in/out -> "void*"
# wszChain : LPWSTR optional, out -> "char*"
# 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)。