DRMGetSecurityProvider

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

HRESULT DRMGetSecurityProvider(
    DWORD uFlags,
    DWORD* puTypeLen,
    LPWSTR wszType,   // optional
    DWORD* puPathLen,
    LPWSTR wszPath   // optional
);

<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMGetSecurityProvider(
    uFlags As UInteger,   ' DWORD
    ByRef puTypeLen As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> wszType As System.Text.StringBuilder,   ' LPWSTR optional, out
    ByRef puPathLen As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> wszPath As System.Text.StringBuilder   ' LPWSTR optional, out
) As Integer
End Function

' uFlags : DWORD
' puTypeLen : DWORD* in/out
' wszType : LPWSTR optional, out
' puPathLen : DWORD* in/out
' wszPath : LPWSTR optional, out
Declare PtrSafe Function DRMGetSecurityProvider Lib "msdrm" ( _
    ByVal uFlags As Long, _
    ByRef puTypeLen As Long, _
    ByVal wszType As LongPtr, _
    ByRef puPathLen As Long, _
    ByVal wszPath 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

DRMGetSecurityProvider = ctypes.windll.msdrm.DRMGetSecurityProvider
DRMGetSecurityProvider.restype = ctypes.c_int
DRMGetSecurityProvider.argtypes = [
    wintypes.DWORD,  # uFlags : DWORD
    ctypes.POINTER(wintypes.DWORD),  # puTypeLen : DWORD* in/out
    wintypes.LPWSTR,  # wszType : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # puPathLen : DWORD* in/out
    wintypes.LPWSTR,  # wszPath : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMGetSecurityProvider = Fiddle::Function.new(
  lib['DRMGetSecurityProvider'],
  [
    -Fiddle::TYPE_INT,  # uFlags : DWORD
    Fiddle::TYPE_VOIDP,  # puTypeLen : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # wszType : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # puPathLen : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # wszPath : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdrm")]
extern "system" {
    fn DRMGetSecurityProvider(
        uFlags: u32,  // DWORD
        puTypeLen: *mut u32,  // DWORD* in/out
        wszType: *mut u16,  // LPWSTR optional, out
        puPathLen: *mut u32,  // DWORD* in/out
        wszPath: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMGetSecurityProvider(uint uFlags, ref uint puTypeLen, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder wszType, ref uint puPathLen, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder wszPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMGetSecurityProvider' -Namespace Win32 -PassThru
# $api::DRMGetSecurityProvider(uFlags, puTypeLen, wszType, puPathLen, wszPath)

#uselib "msdrm.dll"
#func global DRMGetSecurityProvider "DRMGetSecurityProvider" sptr, sptr, sptr, sptr, sptr
; DRMGetSecurityProvider uFlags, varptr(puTypeLen), varptr(wszType), varptr(puPathLen), varptr(wszPath)   ; 戻り値は stat
; uFlags : DWORD -> "sptr"
; puTypeLen : DWORD* in/out -> "sptr"
; wszType : LPWSTR optional, out -> "sptr"
; puPathLen : DWORD* in/out -> "sptr"
; wszPath : 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 DRMGetSecurityProvider "DRMGetSecurityProvider" int, var, var, var, var
; res = DRMGetSecurityProvider(uFlags, puTypeLen, wszType, puPathLen, wszPath)
; uFlags : DWORD -> "int"
; puTypeLen : DWORD* in/out -> "var"
; wszType : LPWSTR optional, out -> "var"
; puPathLen : DWORD* in/out -> "var"
; wszPath : 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 DRMGetSecurityProvider(DWORD uFlags, DWORD* puTypeLen, LPWSTR wszType, DWORD* puPathLen, LPWSTR wszPath)
#uselib "msdrm.dll"
#cfunc global DRMGetSecurityProvider "DRMGetSecurityProvider" int, var, var, var, var
; res = DRMGetSecurityProvider(uFlags, puTypeLen, wszType, puPathLen, wszPath)
; uFlags : DWORD -> "int"
; puTypeLen : DWORD* in/out -> "var"
; wszType : LPWSTR optional, out -> "var"
; puPathLen : DWORD* in/out -> "var"
; wszPath : 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")
	procDRMGetSecurityProvider = msdrm.NewProc("DRMGetSecurityProvider")
)

// uFlags (DWORD), puTypeLen (DWORD* in/out), wszType (LPWSTR optional, out), puPathLen (DWORD* in/out), wszPath (LPWSTR optional, out)
r1, _, err := procDRMGetSecurityProvider.Call(
	uintptr(uFlags),
	uintptr(puTypeLen),
	uintptr(wszType),
	uintptr(puPathLen),
	uintptr(wszPath),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DRMGetSecurityProvider(
  uFlags: DWORD;   // DWORD
  puTypeLen: Pointer;   // DWORD* in/out
  wszType: PWideChar;   // LPWSTR optional, out
  puPathLen: Pointer;   // DWORD* in/out
  wszPath: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMGetSecurityProvider';

result := DllCall("msdrm\DRMGetSecurityProvider"
    , "UInt", uFlags   ; DWORD
    , "Ptr", puTypeLen   ; DWORD* in/out
    , "Ptr", wszType   ; LPWSTR optional, out
    , "Ptr", puPathLen   ; DWORD* in/out
    , "Ptr", wszPath   ; LPWSTR optional, out
    , "Int")   ; return: HRESULT

●DRMGetSecurityProvider(uFlags, puTypeLen, wszType, puPathLen, wszPath) = DLL("msdrm.dll", "int DRMGetSecurityProvider(dword, void*, char*, void*, char*)")
# 呼び出し: DRMGetSecurityProvider(uFlags, puTypeLen, wszType, puPathLen, wszPath)
# uFlags : DWORD -> "dword"
# puTypeLen : DWORD* in/out -> "void*"
# wszType : LPWSTR optional, out -> "char*"
# puPathLen : DWORD* in/out -> "void*"
# wszPath : 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)。