Win32 API 日本語リファレンス
ホーム › Data.RightsManagement › DRMInitEnvironment

DRMInitEnvironment

関数
RMSのセキュリティ環境を初期化する。
DLLmsdrm.dll呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

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

HRESULT DRMInitEnvironment(
    DRMSECURITYPROVIDERTYPE eSecurityProviderType,
    DRMSPECTYPE eSpecification,
    LPWSTR wszSecurityProvider,   // optional
    LPWSTR wszManifestCredentials,   // optional
    LPWSTR wszMachineCredentials,
    DWORD* phEnv,
    DWORD* phDefaultLibrary
);

パラメーター

名前型方向説明
eSecurityProviderTypeDRMSECURITYPROVIDERTYPEin使用するセキュリティプロバイダーの種別を示すDRMSECURITYPROVIDERTYPE。
eSpecificationDRMSPECTYPEinセキュリティプロバイダーの仕様種別を示すDRMSPECTYPE。
wszSecurityProviderLPWSTRinoptionalセキュリティプロバイダーのDLL名を示すUnicode文字列。
wszManifestCredentialsLPWSTRinoptionalマニフェスト資格情報を示すUnicode文字列。
wszMachineCredentialsLPWSTRinマシン資格情報を示すUnicode文字列。
phEnvDWORD*inout初期化された環境ハンドルを受け取る出力先。後続呼び出しで使用する。
phDefaultLibraryDWORD*inout既定ライブラリのハンドルを受け取る出力先。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DRMInitEnvironment(
    DRMSECURITYPROVIDERTYPE eSecurityProviderType,
    DRMSPECTYPE eSpecification,
    LPWSTR wszSecurityProvider,   // optional
    LPWSTR wszManifestCredentials,   // optional
    LPWSTR wszMachineCredentials,
    DWORD* phEnv,
    DWORD* phDefaultLibrary
);
[DllImport("msdrm.dll", ExactSpelling = true)]
static extern int DRMInitEnvironment(
    int eSecurityProviderType,   // DRMSECURITYPROVIDERTYPE
    int eSpecification,   // DRMSPECTYPE
    [MarshalAs(UnmanagedType.LPWStr)] string wszSecurityProvider,   // LPWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string wszManifestCredentials,   // LPWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string wszMachineCredentials,   // LPWSTR
    ref uint phEnv,   // DWORD* in/out
    ref uint phDefaultLibrary   // DWORD* in/out
);
<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMInitEnvironment(
    eSecurityProviderType As Integer,   ' DRMSECURITYPROVIDERTYPE
    eSpecification As Integer,   ' DRMSPECTYPE
    <MarshalAs(UnmanagedType.LPWStr)> wszSecurityProvider As String,   ' LPWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> wszManifestCredentials As String,   ' LPWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> wszMachineCredentials As String,   ' LPWSTR
    ByRef phEnv As UInteger,   ' DWORD* in/out
    ByRef phDefaultLibrary As UInteger   ' DWORD* in/out
) As Integer
End Function
' eSecurityProviderType : DRMSECURITYPROVIDERTYPE
' eSpecification : DRMSPECTYPE
' wszSecurityProvider : LPWSTR optional
' wszManifestCredentials : LPWSTR optional
' wszMachineCredentials : LPWSTR
' phEnv : DWORD* in/out
' phDefaultLibrary : DWORD* in/out
Declare PtrSafe Function DRMInitEnvironment Lib "msdrm" ( _
    ByVal eSecurityProviderType As Long, _
    ByVal eSpecification As Long, _
    ByVal wszSecurityProvider As LongPtr, _
    ByVal wszManifestCredentials As LongPtr, _
    ByVal wszMachineCredentials As LongPtr, _
    ByRef phEnv As Long, _
    ByRef phDefaultLibrary As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

DRMInitEnvironment = ctypes.windll.msdrm.DRMInitEnvironment
DRMInitEnvironment.restype = ctypes.c_int
DRMInitEnvironment.argtypes = [
    ctypes.c_int,  # eSecurityProviderType : DRMSECURITYPROVIDERTYPE
    ctypes.c_int,  # eSpecification : DRMSPECTYPE
    wintypes.LPCWSTR,  # wszSecurityProvider : LPWSTR optional
    wintypes.LPCWSTR,  # wszManifestCredentials : LPWSTR optional
    wintypes.LPCWSTR,  # wszMachineCredentials : LPWSTR
    ctypes.POINTER(wintypes.DWORD),  # phEnv : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # phDefaultLibrary : DWORD* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMInitEnvironment = Fiddle::Function.new(
  lib['DRMInitEnvironment'],
  [
    Fiddle::TYPE_INT,  # eSecurityProviderType : DRMSECURITYPROVIDERTYPE
    Fiddle::TYPE_INT,  # eSpecification : DRMSPECTYPE
    Fiddle::TYPE_VOIDP,  # wszSecurityProvider : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # wszManifestCredentials : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # wszMachineCredentials : LPWSTR
    Fiddle::TYPE_VOIDP,  # phEnv : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # phDefaultLibrary : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "msdrm")]
extern "system" {
    fn DRMInitEnvironment(
        eSecurityProviderType: i32,  // DRMSECURITYPROVIDERTYPE
        eSpecification: i32,  // DRMSPECTYPE
        wszSecurityProvider: *mut u16,  // LPWSTR optional
        wszManifestCredentials: *mut u16,  // LPWSTR optional
        wszMachineCredentials: *mut u16,  // LPWSTR
        phEnv: *mut u32,  // DWORD* in/out
        phDefaultLibrary: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMInitEnvironment(int eSecurityProviderType, int eSpecification, [MarshalAs(UnmanagedType.LPWStr)] string wszSecurityProvider, [MarshalAs(UnmanagedType.LPWStr)] string wszManifestCredentials, [MarshalAs(UnmanagedType.LPWStr)] string wszMachineCredentials, ref uint phEnv, ref uint phDefaultLibrary);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMInitEnvironment' -Namespace Win32 -PassThru
# $api::DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
#uselib "msdrm.dll"
#func global DRMInitEnvironment "DRMInitEnvironment" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DRMInitEnvironment eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, varptr(phEnv), varptr(phDefaultLibrary)   ; 戻り値は stat
; eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> "sptr"
; eSpecification : DRMSPECTYPE -> "sptr"
; wszSecurityProvider : LPWSTR optional -> "sptr"
; wszManifestCredentials : LPWSTR optional -> "sptr"
; wszMachineCredentials : LPWSTR -> "sptr"
; phEnv : DWORD* in/out -> "sptr"
; phDefaultLibrary : DWORD* in/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。
出力引数: 
#uselib "msdrm.dll"
#cfunc global DRMInitEnvironment "DRMInitEnvironment" int, int, wstr, wstr, wstr, var, var
; res = DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
; eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> "int"
; eSpecification : DRMSPECTYPE -> "int"
; wszSecurityProvider : LPWSTR optional -> "wstr"
; wszManifestCredentials : LPWSTR optional -> "wstr"
; wszMachineCredentials : LPWSTR -> "wstr"
; phEnv : DWORD* in/out -> "var"
; phDefaultLibrary : DWORD* in/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。
出力引数: 
; HRESULT DRMInitEnvironment(DRMSECURITYPROVIDERTYPE eSecurityProviderType, DRMSPECTYPE eSpecification, LPWSTR wszSecurityProvider, LPWSTR wszManifestCredentials, LPWSTR wszMachineCredentials, DWORD* phEnv, DWORD* phDefaultLibrary)
#uselib "msdrm.dll"
#cfunc global DRMInitEnvironment "DRMInitEnvironment" int, int, wstr, wstr, wstr, var, var
; res = DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
; eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> "int"
; eSpecification : DRMSPECTYPE -> "int"
; wszSecurityProvider : LPWSTR optional -> "wstr"
; wszManifestCredentials : LPWSTR optional -> "wstr"
; wszMachineCredentials : LPWSTR -> "wstr"
; phEnv : DWORD* in/out -> "var"
; phDefaultLibrary : DWORD* in/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")
	procDRMInitEnvironment = msdrm.NewProc("DRMInitEnvironment")
)

// eSecurityProviderType (DRMSECURITYPROVIDERTYPE), eSpecification (DRMSPECTYPE), wszSecurityProvider (LPWSTR optional), wszManifestCredentials (LPWSTR optional), wszMachineCredentials (LPWSTR), phEnv (DWORD* in/out), phDefaultLibrary (DWORD* in/out)
r1, _, err := procDRMInitEnvironment.Call(
	uintptr(eSecurityProviderType),
	uintptr(eSpecification),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszSecurityProvider))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszManifestCredentials))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszMachineCredentials))),
	uintptr(phEnv),
	uintptr(phDefaultLibrary),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function DRMInitEnvironment(
  eSecurityProviderType: Integer;   // DRMSECURITYPROVIDERTYPE
  eSpecification: Integer;   // DRMSPECTYPE
  wszSecurityProvider: PWideChar;   // LPWSTR optional
  wszManifestCredentials: PWideChar;   // LPWSTR optional
  wszMachineCredentials: PWideChar;   // LPWSTR
  phEnv: Pointer;   // DWORD* in/out
  phDefaultLibrary: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMInitEnvironment';
result := DllCall("msdrm\DRMInitEnvironment"
    , "Int", eSecurityProviderType   ; DRMSECURITYPROVIDERTYPE
    , "Int", eSpecification   ; DRMSPECTYPE
    , "WStr", wszSecurityProvider   ; LPWSTR optional
    , "WStr", wszManifestCredentials   ; LPWSTR optional
    , "WStr", wszMachineCredentials   ; LPWSTR
    , "Ptr", phEnv   ; DWORD* in/out
    , "Ptr", phDefaultLibrary   ; DWORD* in/out
    , "Int")   ; return: HRESULT
●DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary) = DLL("msdrm.dll", "int DRMInitEnvironment(int, int, char*, char*, char*, void*, void*)")
# 呼び出し: DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
# eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> "int"
# eSpecification : DRMSPECTYPE -> "int"
# wszSecurityProvider : LPWSTR optional -> "char*"
# wszManifestCredentials : LPWSTR optional -> "char*"
# wszMachineCredentials : LPWSTR -> "char*"
# phEnv : DWORD* in/out -> "void*"
# phDefaultLibrary : DWORD* in/out -> "void*"
# 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)。
const std = @import("std");

extern "msdrm" fn DRMInitEnvironment(
    eSecurityProviderType: i32, // DRMSECURITYPROVIDERTYPE
    eSpecification: i32, // DRMSPECTYPE
    wszSecurityProvider: [*c]const u16, // LPWSTR optional
    wszManifestCredentials: [*c]const u16, // LPWSTR optional
    wszMachineCredentials: [*c]const u16, // LPWSTR
    phEnv: [*c]u32, // DWORD* in/out
    phDefaultLibrary: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;
proc DRMInitEnvironment(
    eSecurityProviderType: int32,  # DRMSECURITYPROVIDERTYPE
    eSpecification: int32,  # DRMSPECTYPE
    wszSecurityProvider: WideCString,  # LPWSTR optional
    wszManifestCredentials: WideCString,  # LPWSTR optional
    wszMachineCredentials: WideCString,  # LPWSTR
    phEnv: ptr uint32,  # DWORD* in/out
    phDefaultLibrary: ptr uint32  # DWORD* in/out
): int32 {.importc: "DRMInitEnvironment", stdcall, dynlib: "msdrm.dll".}
pragma(lib, "msdrm");
extern(Windows)
int DRMInitEnvironment(
    int eSecurityProviderType,   // DRMSECURITYPROVIDERTYPE
    int eSpecification,   // DRMSPECTYPE
    const(wchar)* wszSecurityProvider,   // LPWSTR optional
    const(wchar)* wszManifestCredentials,   // LPWSTR optional
    const(wchar)* wszMachineCredentials,   // LPWSTR
    uint* phEnv,   // DWORD* in/out
    uint* phDefaultLibrary   // DWORD* in/out
);
ccall((:DRMInitEnvironment, "msdrm.dll"), stdcall, Int32,
      (Int32, Int32, Cwstring, Cwstring, Cwstring, Ptr{UInt32}, Ptr{UInt32}),
      eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
# eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> Int32
# eSpecification : DRMSPECTYPE -> Int32
# wszSecurityProvider : LPWSTR optional -> Cwstring
# wszManifestCredentials : LPWSTR optional -> Cwstring
# wszMachineCredentials : LPWSTR -> Cwstring
# phEnv : DWORD* in/out -> Ptr{UInt32}
# phDefaultLibrary : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t DRMInitEnvironment(
    int32_t eSecurityProviderType,
    int32_t eSpecification,
    const uint16_t* wszSecurityProvider,
    const uint16_t* wszManifestCredentials,
    const uint16_t* wszMachineCredentials,
    uint32_t* phEnv,
    uint32_t* phDefaultLibrary);
]]
local msdrm = ffi.load("msdrm")
-- msdrm.DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
-- eSecurityProviderType : DRMSECURITYPROVIDERTYPE
-- eSpecification : DRMSPECTYPE
-- wszSecurityProvider : LPWSTR optional
-- wszManifestCredentials : LPWSTR optional
-- wszMachineCredentials : LPWSTR
-- phEnv : DWORD* in/out
-- phDefaultLibrary : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('msdrm.dll');
const DRMInitEnvironment = lib.func('__stdcall', 'DRMInitEnvironment', 'int32_t', ['int32_t', 'int32_t', 'str16', 'str16', 'str16', 'uint32_t *', 'uint32_t *']);
// DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
// eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> 'int32_t'
// eSpecification : DRMSPECTYPE -> 'int32_t'
// wszSecurityProvider : LPWSTR optional -> 'str16'
// wszManifestCredentials : LPWSTR optional -> 'str16'
// wszMachineCredentials : LPWSTR -> 'str16'
// phEnv : DWORD* in/out -> 'uint32_t *'
// phDefaultLibrary : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("msdrm.dll", {
  DRMInitEnvironment: { parameters: ["i32", "i32", "buffer", "buffer", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary)
// eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> "i32"
// eSpecification : DRMSPECTYPE -> "i32"
// wszSecurityProvider : LPWSTR optional -> "buffer"
// wszManifestCredentials : LPWSTR optional -> "buffer"
// wszMachineCredentials : LPWSTR -> "buffer"
// phEnv : DWORD* in/out -> "pointer"
// phDefaultLibrary : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t DRMInitEnvironment(
    int32_t eSecurityProviderType,
    int32_t eSpecification,
    const uint16_t* wszSecurityProvider,
    const uint16_t* wszManifestCredentials,
    const uint16_t* wszMachineCredentials,
    uint32_t* phEnv,
    uint32_t* phDefaultLibrary);
C, "msdrm.dll");
// $ffi->DRMInitEnvironment(eSecurityProviderType, eSpecification, wszSecurityProvider, wszManifestCredentials, wszMachineCredentials, phEnv, phDefaultLibrary);
// eSecurityProviderType : DRMSECURITYPROVIDERTYPE
// eSpecification : DRMSPECTYPE
// wszSecurityProvider : LPWSTR optional
// wszManifestCredentials : LPWSTR optional
// wszMachineCredentials : LPWSTR
// phEnv : DWORD* in/out
// phDefaultLibrary : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Msdrm extends StdCallLibrary {
    Msdrm INSTANCE = Native.load("msdrm", Msdrm.class);
    int DRMInitEnvironment(
        int eSecurityProviderType,   // DRMSECURITYPROVIDERTYPE
        int eSpecification,   // DRMSPECTYPE
        WString wszSecurityProvider,   // LPWSTR optional
        WString wszManifestCredentials,   // LPWSTR optional
        WString wszMachineCredentials,   // LPWSTR
        IntByReference phEnv,   // DWORD* in/out
        IntByReference phDefaultLibrary   // DWORD* in/out
    );
}
@[Link("msdrm")]
lib Libmsdrm
  fun DRMInitEnvironment = DRMInitEnvironment(
    eSecurityProviderType : Int32,   # DRMSECURITYPROVIDERTYPE
    eSpecification : Int32,   # DRMSPECTYPE
    wszSecurityProvider : UInt16*,   # LPWSTR optional
    wszManifestCredentials : UInt16*,   # LPWSTR optional
    wszMachineCredentials : UInt16*,   # LPWSTR
    phEnv : UInt32*,   # DWORD* in/out
    phDefaultLibrary : UInt32*   # DWORD* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DRMInitEnvironmentNative = Int32 Function(Int32, Int32, Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>);
typedef DRMInitEnvironmentDart = int Function(int, int, Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>);
final DRMInitEnvironment = DynamicLibrary.open('msdrm.dll')
    .lookupFunction<DRMInitEnvironmentNative, DRMInitEnvironmentDart>('DRMInitEnvironment');
// eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> Int32
// eSpecification : DRMSPECTYPE -> Int32
// wszSecurityProvider : LPWSTR optional -> Pointer<Utf16>
// wszManifestCredentials : LPWSTR optional -> Pointer<Utf16>
// wszMachineCredentials : LPWSTR -> Pointer<Utf16>
// phEnv : DWORD* in/out -> Pointer<Uint32>
// phDefaultLibrary : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function DRMInitEnvironment(
  eSecurityProviderType: Integer;   // DRMSECURITYPROVIDERTYPE
  eSpecification: Integer;   // DRMSPECTYPE
  wszSecurityProvider: PWideChar;   // LPWSTR optional
  wszManifestCredentials: PWideChar;   // LPWSTR optional
  wszMachineCredentials: PWideChar;   // LPWSTR
  phEnv: Pointer;   // DWORD* in/out
  phDefaultLibrary: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMInitEnvironment';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DRMInitEnvironment"
  c_DRMInitEnvironment :: Int32 -> Int32 -> CWString -> CWString -> CWString -> Ptr Word32 -> Ptr Word32 -> IO Int32
-- eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> Int32
-- eSpecification : DRMSPECTYPE -> Int32
-- wszSecurityProvider : LPWSTR optional -> CWString
-- wszManifestCredentials : LPWSTR optional -> CWString
-- wszMachineCredentials : LPWSTR -> CWString
-- phEnv : DWORD* in/out -> Ptr Word32
-- phDefaultLibrary : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let drminitenvironment =
  foreign "DRMInitEnvironment"
    (int32_t @-> int32_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> int32_t *)
(* eSpecification : DRMSPECTYPE -> int32_t *)
(* wszSecurityProvider : LPWSTR optional -> (ptr uint16_t) *)
(* wszManifestCredentials : LPWSTR optional -> (ptr uint16_t) *)
(* wszMachineCredentials : LPWSTR -> (ptr uint16_t) *)
(* phEnv : DWORD* in/out -> (ptr uint32_t) *)
(* phDefaultLibrary : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library msdrm (t "msdrm.dll"))
(cffi:use-foreign-library msdrm)

(cffi:defcfun ("DRMInitEnvironment" drminit-environment :convention :stdcall) :int32
  (e-security-provider-type :int32)   ; DRMSECURITYPROVIDERTYPE
  (e-specification :int32)   ; DRMSPECTYPE
  (wsz-security-provider (:string :encoding :utf-16le))   ; LPWSTR optional
  (wsz-manifest-credentials (:string :encoding :utf-16le))   ; LPWSTR optional
  (wsz-machine-credentials (:string :encoding :utf-16le))   ; LPWSTR
  (ph-env :pointer)   ; DWORD* in/out
  (ph-default-library :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $DRMInitEnvironment = Win32::API::More->new('msdrm',
    'int DRMInitEnvironment(int eSecurityProviderType, int eSpecification, LPCWSTR wszSecurityProvider, LPCWSTR wszManifestCredentials, LPCWSTR wszMachineCredentials, LPVOID phEnv, LPVOID phDefaultLibrary)');
# my $ret = $DRMInitEnvironment->Call($eSecurityProviderType, $eSpecification, $wszSecurityProvider, $wszManifestCredentials, $wszMachineCredentials, $phEnv, $phDefaultLibrary);
# eSecurityProviderType : DRMSECURITYPROVIDERTYPE -> int
# eSpecification : DRMSPECTYPE -> int
# wszSecurityProvider : LPWSTR optional -> LPCWSTR
# wszManifestCredentials : LPWSTR optional -> LPCWSTR
# wszMachineCredentials : LPWSTR -> LPCWSTR
# phEnv : DWORD* in/out -> LPVOID
# phDefaultLibrary : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

使用する型