ldap_search

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

DWORD ldap_search(
    LDAP* ld,
    LPSTR base,   // optional
    DWORD scope,
    LPSTR filter,
    CHAR** attrs,
    DWORD attrsonly
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_search(
    ld As IntPtr,   ' LDAP* in/out
    <MarshalAs(UnmanagedType.LPStr)> base As String,   ' LPSTR optional
    scope As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> filter As String,   ' LPSTR
    attrs As IntPtr,   ' CHAR**
    attrsonly As UInteger   ' DWORD
) As UInteger
End Function

' ld : LDAP* in/out
' base : LPSTR optional
' scope : DWORD
' filter : LPSTR
' attrs : CHAR**
' attrsonly : DWORD
Declare PtrSafe Function ldap_search Lib "wldap32" ( _
    ByVal ld As LongPtr, _
    ByVal base As String, _
    ByVal scope As Long, _
    ByVal filter As String, _
    ByVal attrs As LongPtr, _
    ByVal attrsonly 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

ldap_search = ctypes.cdll.wldap32.ldap_search
ldap_search.restype = wintypes.DWORD
ldap_search.argtypes = [
    ctypes.c_void_p,  # ld : LDAP* in/out
    wintypes.LPCSTR,  # base : LPSTR optional
    wintypes.DWORD,  # scope : DWORD
    wintypes.LPCSTR,  # filter : LPSTR
    ctypes.c_void_p,  # attrs : CHAR**
    wintypes.DWORD,  # attrsonly : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_search = Fiddle::Function.new(
  lib['ldap_search'],
  [
    Fiddle::TYPE_VOIDP,  # ld : LDAP* in/out
    Fiddle::TYPE_VOIDP,  # base : LPSTR optional
    -Fiddle::TYPE_INT,  # scope : DWORD
    Fiddle::TYPE_VOIDP,  # filter : LPSTR
    Fiddle::TYPE_VOIDP,  # attrs : CHAR**
    -Fiddle::TYPE_INT,  # attrsonly : DWORD
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_search(
        ld: *mut LDAP,  // LDAP* in/out
        base: *mut u8,  // LPSTR optional
        scope: u32,  // DWORD
        filter: *mut u8,  // LPSTR
        attrs: *mut *mut i8,  // CHAR**
        attrsonly: u32  // DWORD
    ) -> 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_search(IntPtr ld, [MarshalAs(UnmanagedType.LPStr)] string base, uint scope, [MarshalAs(UnmanagedType.LPStr)] string filter, IntPtr attrs, uint attrsonly);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_search' -Namespace Win32 -PassThru
# $api::ldap_search(ld, base, scope, filter, attrs, attrsonly)

#uselib "WLDAP32.dll"
#func global ldap_search "ldap_search" sptr, sptr, sptr, sptr, sptr, sptr
; ldap_search varptr(ld), base, scope, filter, varptr(attrs), attrsonly   ; 戻り値は stat
; ld : LDAP* in/out -> "sptr"
; base : LPSTR optional -> "sptr"
; scope : DWORD -> "sptr"
; filter : LPSTR -> "sptr"
; attrs : CHAR** -> "sptr"
; attrsonly : 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_search "ldap_search" var, str, int, str, var, int
; res = ldap_search(ld, base, scope, filter, attrs, attrsonly)
; ld : LDAP* in/out -> "var"
; base : LPSTR optional -> "str"
; scope : DWORD -> "int"
; filter : LPSTR -> "str"
; attrs : CHAR** -> "var"
; attrsonly : DWORD -> "int"
; ※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_search(LDAP* ld, LPSTR base, DWORD scope, LPSTR filter, CHAR** attrs, DWORD attrsonly)
#uselib "WLDAP32.dll"
#cfunc global ldap_search "ldap_search" var, str, int, str, var, int
; res = ldap_search(ld, base, scope, filter, attrs, attrsonly)
; ld : LDAP* in/out -> "var"
; base : LPSTR optional -> "str"
; scope : DWORD -> "int"
; filter : LPSTR -> "str"
; attrs : CHAR** -> "var"
; attrsonly : DWORD -> "int"
; ※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 (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procldap_search = wldap32.NewProc("ldap_search")
)

// ld (LDAP* in/out), base (LPSTR optional), scope (DWORD), filter (LPSTR), attrs (CHAR**), attrsonly (DWORD)
r1, _, err := procldap_search.Call(
	uintptr(ld),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(base))),
	uintptr(scope),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(filter))),
	uintptr(attrs),
	uintptr(attrsonly),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ldap_search(
  ld: Pointer;   // LDAP* in/out
  base: PAnsiChar;   // LPSTR optional
  scope: DWORD;   // DWORD
  filter: PAnsiChar;   // LPSTR
  attrs: Pointer;   // CHAR**
  attrsonly: DWORD   // DWORD
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ldap_search';

result := DllCall("WLDAP32\ldap_search"
    , "Ptr", ld   ; LDAP* in/out
    , "AStr", base   ; LPSTR optional
    , "UInt", scope   ; DWORD
    , "AStr", filter   ; LPSTR
    , "Ptr", attrs   ; CHAR**
    , "UInt", attrsonly   ; DWORD
    , "Cdecl UInt")   ; return: DWORD

●ldap_search(ld, base, scope, filter, attrs, attrsonly) = DLL("WLDAP32.dll", "dword ldap_search(void*, char*, dword, char*, void*, dword)")
# 呼び出し: ldap_search(ld, base, scope, filter, attrs, attrsonly)
# ld : LDAP* in/out -> "void*"
# base : LPSTR optional -> "char*"
# scope : DWORD -> "dword"
# filter : LPSTR -> "char*"
# attrs : CHAR** -> "void*"
# attrsonly : 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。