ldap_compare

関数

属性値が一致するかLDAPサーバーで非同期に比較する。

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>

DWORD ldap_compare(
    LDAP* ld,
    LPCSTR dn,
    LPCSTR attr,
    LPSTR value
);

パラメーター

名前	型	方向
ld	LDAP*	inout
dn	LPCSTR	in
attr	LPCSTR	in
value	LPSTR	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD ldap_compare(
    LDAP* ld,
    LPCSTR dn,
    LPCSTR attr,
    LPSTR value
);

[DllImport("WLDAP32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern uint ldap_compare(
    IntPtr ld,   // LDAP* in/out
    [MarshalAs(UnmanagedType.LPStr)] string dn,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] string attr,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] string value   // LPSTR
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_compare(
    ld As IntPtr,   ' LDAP* in/out
    <MarshalAs(UnmanagedType.LPStr)> dn As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> attr As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> value As String   ' LPSTR
) As UInteger
End Function

' ld : LDAP* in/out
' dn : LPCSTR
' attr : LPCSTR
' value : LPSTR
Declare PtrSafe Function ldap_compare Lib "wldap32" ( _
    ByVal ld As LongPtr, _
    ByVal dn As String, _
    ByVal attr As String, _
    ByVal value As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ldap_compare = ctypes.cdll.wldap32.ldap_compare
ldap_compare.restype = wintypes.DWORD
ldap_compare.argtypes = [
    ctypes.c_void_p,  # ld : LDAP* in/out
    wintypes.LPCSTR,  # dn : LPCSTR
    wintypes.LPCSTR,  # attr : LPCSTR
    wintypes.LPCSTR,  # value : LPSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_compare = Fiddle::Function.new(
  lib['ldap_compare'],
  [
    Fiddle::TYPE_VOIDP,  # ld : LDAP* in/out
    Fiddle::TYPE_VOIDP,  # dn : LPCSTR
    Fiddle::TYPE_VOIDP,  # attr : LPCSTR
    Fiddle::TYPE_VOIDP,  # value : LPSTR
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_compare(
        ld: *mut LDAP,  // LDAP* in/out
        dn: *const u8,  // LPCSTR
        attr: *const u8,  // LPCSTR
        value: *mut u8  // LPSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern uint ldap_compare(IntPtr ld, [MarshalAs(UnmanagedType.LPStr)] string dn, [MarshalAs(UnmanagedType.LPStr)] string attr, [MarshalAs(UnmanagedType.LPStr)] string value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_compare' -Namespace Win32 -PassThru
# $api::ldap_compare(ld, dn, attr, value)

#uselib "WLDAP32.dll"
#func global ldap_compare "ldap_compare" sptr, sptr, sptr, sptr
; ldap_compare varptr(ld), dn, attr, value   ; 戻り値は stat
; ld : LDAP* in/out -> "sptr"
; dn : LPCSTR -> "sptr"
; attr : LPCSTR -> "sptr"
; value : LPSTR -> "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 "WLDAP32.dll"
#cfunc global ldap_compare "ldap_compare" var, str, str, str
; res = ldap_compare(ld, dn, attr, value)
; ld : LDAP* in/out -> "var"
; dn : LPCSTR -> "str"
; attr : LPCSTR -> "str"
; value : LPSTR -> "str"
; ※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。#uselib "WLDAP32.dll"
#cfunc global ldap_compare "ldap_compare" sptr, str, str, str
; res = ldap_compare(varptr(ld), dn, attr, value)
; ld : LDAP* in/out -> "sptr"
; dn : LPCSTR -> "str"
; attr : LPCSTR -> "str"
; value : LPSTR -> "str"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD ldap_compare(LDAP* ld, LPCSTR dn, LPCSTR attr, LPSTR value)
#uselib "WLDAP32.dll"
#cfunc global ldap_compare "ldap_compare" var, str, str, str
; res = ldap_compare(ld, dn, attr, value)
; ld : LDAP* in/out -> "var"
; dn : LPCSTR -> "str"
; attr : LPCSTR -> "str"
; value : LPSTR -> "str"
; ※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。; DWORD ldap_compare(LDAP* ld, LPCSTR dn, LPCSTR attr, LPSTR value)
#uselib "WLDAP32.dll"
#cfunc global ldap_compare "ldap_compare" intptr, str, str, str
; res = ldap_compare(varptr(ld), dn, attr, value)
; ld : LDAP* in/out -> "intptr"
; dn : LPCSTR -> "str"
; attr : LPCSTR -> "str"
; value : LPSTR -> "str"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procldap_compare = wldap32.NewProc("ldap_compare")
)

// ld (LDAP* in/out), dn (LPCSTR), attr (LPCSTR), value (LPSTR)
r1, _, err := procldap_compare.Call(
	uintptr(ld),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(dn))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(attr))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(value))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ldap_compare(
  ld: Pointer;   // LDAP* in/out
  dn: PAnsiChar;   // LPCSTR
  attr: PAnsiChar;   // LPCSTR
  value: PAnsiChar   // LPSTR
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ldap_compare';

result := DllCall("WLDAP32\ldap_compare"
    , "Ptr", ld   ; LDAP* in/out
    , "AStr", dn   ; LPCSTR
    , "AStr", attr   ; LPCSTR
    , "AStr", value   ; LPSTR
    , "Cdecl UInt")   ; return: DWORD

●ldap_compare(ld, dn, attr, value) = DLL("WLDAP32.dll", "dword ldap_compare(void*, char*, char*, char*)")
# 呼び出し: ldap_compare(ld, dn, attr, value)
# ld : LDAP* in/out -> "void*"
# dn : LPCSTR -> "char*"
# attr : LPCSTR -> "char*"
# value : LPSTR -> "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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。