ldap_err2string

関数

LDAPエラーコードを説明文字列に変換する。

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

シグネチャ

// WLDAP32.dll  (ANSI / -A)
#include <windows.h>

LPSTR ldap_err2string(
    DWORD err
);

パラメーター

名前	型	方向
err	DWORD	in

戻り値の型: LPSTR

各言語での呼び出し定義

// WLDAP32.dll  (ANSI / -A)
#include <windows.h>

LPSTR ldap_err2string(
    DWORD err
);

[DllImport("WLDAP32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr ldap_err2string(
    uint err   // DWORD
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_err2string(
    err As UInteger   ' DWORD
) As IntPtr
End Function

' err : DWORD
Declare PtrSafe Function ldap_err2string Lib "wldap32" ( _
    ByVal err As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ldap_err2string = ctypes.cdll.wldap32.ldap_err2string
ldap_err2string.restype = wintypes.LPSTR
ldap_err2string.argtypes = [
    wintypes.DWORD,  # err : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_err2string = Fiddle::Function.new(
  lib['ldap_err2string'],
  [
    -Fiddle::TYPE_INT,  # err : DWORD
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_err2string(
        err: u32  // DWORD
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ldap_err2string(uint err);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_err2string' -Namespace Win32 -PassThru
# $api::ldap_err2string(err)

#uselib "WLDAP32.dll"
#func global ldap_err2string "ldap_err2string" sptr
; ldap_err2string err   ; 戻り値は stat
; err : DWORD -> "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 "WLDAP32.dll"
#cfunc global ldap_err2string "ldap_err2string" int
; res = ldap_err2string(err)
; err : DWORD -> "int"

; LPSTR ldap_err2string(DWORD err)
#uselib "WLDAP32.dll"
#cfunc global ldap_err2string "ldap_err2string" int
; res = ldap_err2string(err)
; err : DWORD -> "int"

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

var (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procldap_err2string = wldap32.NewProc("ldap_err2string")
)

// err (DWORD)
r1, _, err := procldap_err2string.Call(
	uintptr(err),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function ldap_err2string(
  err: DWORD   // DWORD
): PAnsiChar; cdecl;
  external 'WLDAP32.dll' name 'ldap_err2string';

result := DllCall("WLDAP32\ldap_err2string"
    , "UInt", err   ; DWORD
    , "Cdecl Ptr")   ; return: LPSTR

●ldap_err2string(err) = DLL("WLDAP32.dll", "char* ldap_err2string(dword)")
# 呼び出し: ldap_err2string(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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。