ホーム › Networking.Ldap › ldap_err2stringW

ldap_err2stringW

関数

LDAPエラーコードを説明文字列に変換する(Unicode版)。

DLLWLDAP32.dll文字セットUnicode (-W)呼出規約cdecl対応OSWindows Vista 以降

シグネチャ

// WLDAP32.dll  (Unicode / -W)
#include <windows.h>

LPWSTR ldap_err2stringW(
    DWORD err
);

パラメーター

名前	型	方向
err	DWORD	in

戻り値の型: LPWSTR

各言語での呼び出し定義

// WLDAP32.dll  (Unicode / -W)
#include <windows.h>

LPWSTR ldap_err2stringW(
    DWORD err
);

[DllImport("WLDAP32.dll", CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr ldap_err2stringW(
    uint err   // DWORD
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_err2stringW(
    err As UInteger   ' DWORD
) As IntPtr
End Function

' err : DWORD
Declare PtrSafe Function ldap_err2stringW Lib "wldap32" ( _
    ByVal err As Long) As LongPtr
' 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

ldap_err2stringW = ctypes.cdll.wldap32.ldap_err2stringW
ldap_err2stringW.restype = wintypes.LPWSTR
ldap_err2stringW.argtypes = [
    wintypes.DWORD,  # err : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_err2stringW = Fiddle::Function.new(
  lib['ldap_err2stringW'],
  [
    -Fiddle::TYPE_INT,  # err : DWORD
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wldap32")]
extern "C" {
    fn ldap_err2stringW(
        err: u32  // DWORD
    ) -> *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ldap_err2stringW(uint err);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_err2stringW' -Namespace Win32 -PassThru
# $api::ldap_err2stringW(err)

#uselib "WLDAP32.dll"
#func global ldap_err2stringW "ldap_err2stringW" wptr
; ldap_err2stringW err   ; 戻り値は stat
; err : DWORD -> "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 "WLDAP32.dll"
#cfunc global ldap_err2stringW "ldap_err2stringW" int
; res = ldap_err2stringW(err)
; err : DWORD -> "int"

; LPWSTR ldap_err2stringW(DWORD err)
#uselib "WLDAP32.dll"
#cfunc global ldap_err2stringW "ldap_err2stringW" int
; res = ldap_err2stringW(err)
; err : DWORD -> "int"

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

var (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procldap_err2stringW = wldap32.NewProc("ldap_err2stringW")
)

// err (DWORD)
r1, _, err := procldap_err2stringW.Call(
	uintptr(err),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPWSTR

function ldap_err2stringW(
  err: DWORD   // DWORD
): PWideChar; cdecl;
  external 'WLDAP32.dll' name 'ldap_err2stringW';

result := DllCall("WLDAP32\ldap_err2stringW"
    , "UInt", err   ; DWORD
    , "Cdecl Ptr")   ; return: LPWSTR

●ldap_err2stringW(err) = DLL("WLDAP32.dll", "char* ldap_err2stringW(dword)")
# 呼び出し: ldap_err2stringW(err)
# err : DWORD -> "dword"
# 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。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。