CertGetNameStringA

// CRYPT32.dll  (ANSI / -A)
#include <windows.h>

DWORD CertGetNameStringA(
    const CERT_CONTEXT* pCertContext,
    DWORD dwType,
    DWORD dwFlags,
    void* pvTypePara,   // optional
    LPSTR pszNameString,   // optional
    DWORD cchNameString
);

<DllImport("CRYPT32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CertGetNameStringA(
    pCertContext As IntPtr,   ' CERT_CONTEXT*
    dwType As UInteger,   ' DWORD
    dwFlags As UInteger,   ' DWORD
    pvTypePara As IntPtr,   ' void* optional
    <MarshalAs(UnmanagedType.LPStr)> pszNameString As System.Text.StringBuilder,   ' LPSTR optional, out
    cchNameString As UInteger   ' DWORD
) As UInteger
End Function

' pCertContext : CERT_CONTEXT*
' dwType : DWORD
' dwFlags : DWORD
' pvTypePara : void* optional
' pszNameString : LPSTR optional, out
' cchNameString : DWORD
Declare PtrSafe Function CertGetNameStringA Lib "crypt32" ( _
    ByVal pCertContext As LongPtr, _
    ByVal dwType As Long, _
    ByVal dwFlags As Long, _
    ByVal pvTypePara As LongPtr, _
    ByVal pszNameString As String, _
    ByVal cchNameString 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

CertGetNameStringA = ctypes.windll.crypt32.CertGetNameStringA
CertGetNameStringA.restype = wintypes.DWORD
CertGetNameStringA.argtypes = [
    ctypes.c_void_p,  # pCertContext : CERT_CONTEXT*
    wintypes.DWORD,  # dwType : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(None),  # pvTypePara : void* optional
    wintypes.LPSTR,  # pszNameString : LPSTR optional, out
    wintypes.DWORD,  # cchNameString : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertGetNameStringA = Fiddle::Function.new(
  lib['CertGetNameStringA'],
  [
    Fiddle::TYPE_VOIDP,  # pCertContext : CERT_CONTEXT*
    -Fiddle::TYPE_INT,  # dwType : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pvTypePara : void* optional
    Fiddle::TYPE_VOIDP,  # pszNameString : LPSTR optional, out
    -Fiddle::TYPE_INT,  # cchNameString : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertGetNameStringA(
        pCertContext: *const CERT_CONTEXT,  // CERT_CONTEXT*
        dwType: u32,  // DWORD
        dwFlags: u32,  // DWORD
        pvTypePara: *mut (),  // void* optional
        pszNameString: *mut u8,  // LPSTR optional, out
        cchNameString: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", CharSet = CharSet.Ansi)]
public static extern uint CertGetNameStringA(IntPtr pCertContext, uint dwType, uint dwFlags, IntPtr pvTypePara, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszNameString, uint cchNameString);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetNameStringA' -Namespace Win32 -PassThru
# $api::CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString)

#uselib "CRYPT32.dll"
#func global CertGetNameStringA "CertGetNameStringA" sptr, sptr, sptr, sptr, sptr, sptr
; CertGetNameStringA varptr(pCertContext), dwType, dwFlags, pvTypePara, varptr(pszNameString), cchNameString   ; 戻り値は stat
; pCertContext : CERT_CONTEXT* -> "sptr"
; dwType : DWORD -> "sptr"
; dwFlags : DWORD -> "sptr"
; pvTypePara : void* optional -> "sptr"
; pszNameString : LPSTR optional, out -> "sptr"
; cchNameString : 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。

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

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertGetNameStringA = crypt32.NewProc("CertGetNameStringA")
)

// pCertContext (CERT_CONTEXT*), dwType (DWORD), dwFlags (DWORD), pvTypePara (void* optional), pszNameString (LPSTR optional, out), cchNameString (DWORD)
r1, _, err := procCertGetNameStringA.Call(
	uintptr(pCertContext),
	uintptr(dwType),
	uintptr(dwFlags),
	uintptr(pvTypePara),
	uintptr(pszNameString),
	uintptr(cchNameString),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function CertGetNameStringA(
  pCertContext: Pointer;   // CERT_CONTEXT*
  dwType: DWORD;   // DWORD
  dwFlags: DWORD;   // DWORD
  pvTypePara: Pointer;   // void* optional
  pszNameString: PAnsiChar;   // LPSTR optional, out
  cchNameString: DWORD   // DWORD
): DWORD; stdcall;
  external 'CRYPT32.dll' name 'CertGetNameStringA';

result := DllCall("CRYPT32\CertGetNameStringA"
    , "Ptr", pCertContext   ; CERT_CONTEXT*
    , "UInt", dwType   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pvTypePara   ; void* optional
    , "Ptr", pszNameString   ; LPSTR optional, out
    , "UInt", cchNameString   ; DWORD
    , "UInt")   ; return: DWORD

●CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString) = DLL("CRYPT32.dll", "dword CertGetNameStringA(void*, dword, dword, void*, char*, dword)")
# 呼び出し: CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString)
# pCertContext : CERT_CONTEXT* -> "void*"
# dwType : DWORD -> "dword"
# dwFlags : DWORD -> "dword"
# pvTypePara : void* optional -> "void*"
# pszNameString : LPSTR optional, out -> "char*"
# cchNameString : 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)。

const std = @import("std");

extern "crypt32" fn CertGetNameStringA(
    pCertContext: [*c]CERT_CONTEXT, // CERT_CONTEXT*
    dwType: u32, // DWORD
    dwFlags: u32, // DWORD
    pvTypePara: ?*anyopaque, // void* optional
    pszNameString: [*c]u8, // LPSTR optional, out
    cchNameString: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc CertGetNameStringA(
    pCertContext: ptr CERT_CONTEXT,  # CERT_CONTEXT*
    dwType: uint32,  # DWORD
    dwFlags: uint32,  # DWORD
    pvTypePara: pointer,  # void* optional
    pszNameString: ptr char,  # LPSTR optional, out
    cchNameString: uint32  # DWORD
): uint32 {.importc: "CertGetNameStringA", stdcall, dynlib: "CRYPT32.dll".}

pragma(lib, "crypt32");
extern(Windows)
uint CertGetNameStringA(
    CERT_CONTEXT* pCertContext,   // CERT_CONTEXT*
    uint dwType,   // DWORD
    uint dwFlags,   // DWORD
    void* pvTypePara,   // void* optional
    char* pszNameString,   // LPSTR optional, out
    uint cchNameString   // DWORD
);

ccall((:CertGetNameStringA, "CRYPT32.dll"), stdcall, UInt32,
      (Ptr{CERT_CONTEXT}, UInt32, UInt32, Ptr{Cvoid}, Ptr{UInt8}, UInt32),
      pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString)
# pCertContext : CERT_CONTEXT* -> Ptr{CERT_CONTEXT}
# dwType : DWORD -> UInt32
# dwFlags : DWORD -> UInt32
# pvTypePara : void* optional -> Ptr{Cvoid}
# pszNameString : LPSTR optional, out -> Ptr{UInt8}
# cchNameString : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t CertGetNameStringA(
    void* pCertContext,
    uint32_t dwType,
    uint32_t dwFlags,
    void* pvTypePara,
    char* pszNameString,
    uint32_t cchNameString);
]]
local crypt32 = ffi.load("crypt32")
-- crypt32.CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString)
-- pCertContext : CERT_CONTEXT*
-- dwType : DWORD
-- dwFlags : DWORD
-- pvTypePara : void* optional
-- pszNameString : LPSTR optional, out
-- cchNameString : DWORD
-- 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('CRYPT32.dll');
const CertGetNameStringA = lib.func('__stdcall', 'CertGetNameStringA', 'uint32_t', ['void *', 'uint32_t', 'uint32_t', 'void *', 'char *', 'uint32_t']);
// CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString)
// pCertContext : CERT_CONTEXT* -> 'void *'
// dwType : DWORD -> 'uint32_t'
// dwFlags : DWORD -> 'uint32_t'
// pvTypePara : void* optional -> 'void *'
// pszNameString : LPSTR optional, out -> 'char *'
// cchNameString : DWORD -> '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("CRYPT32.dll", {
  CertGetNameStringA: { parameters: ["pointer", "u32", "u32", "pointer", "buffer", "u32"], result: "u32" },
});
// lib.symbols.CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString)
// pCertContext : CERT_CONTEXT* -> "pointer"
// dwType : DWORD -> "u32"
// dwFlags : DWORD -> "u32"
// pvTypePara : void* optional -> "pointer"
// pszNameString : LPSTR optional, out -> "buffer"
// cchNameString : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t CertGetNameStringA(
    void* pCertContext,
    uint32_t dwType,
    uint32_t dwFlags,
    void* pvTypePara,
    char* pszNameString,
    uint32_t cchNameString);
C, "CRYPT32.dll");
// $ffi->CertGetNameStringA(pCertContext, dwType, dwFlags, pvTypePara, pszNameString, cchNameString);
// pCertContext : CERT_CONTEXT*
// dwType : DWORD
// dwFlags : DWORD
// pvTypePara : void* optional
// pszNameString : LPSTR optional, out
// cchNameString : DWORD
// 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 Crypt32 extends StdCallLibrary {
    Crypt32 INSTANCE = Native.load("crypt32", Crypt32.class, W32APIOptions.ASCII_OPTIONS);
    int CertGetNameStringA(
        Pointer pCertContext,   // CERT_CONTEXT*
        int dwType,   // DWORD
        int dwFlags,   // DWORD
        Pointer pvTypePara,   // void* optional
        byte[] pszNameString,   // LPSTR optional, out
        int cchNameString   // DWORD
    );
}

@[Link("crypt32")]
lib LibCRYPT32
  fun CertGetNameStringA = CertGetNameStringA(
    pCertContext : CERT_CONTEXT*,   # CERT_CONTEXT*
    dwType : UInt32,   # DWORD
    dwFlags : UInt32,   # DWORD
    pvTypePara : Void*,   # void* optional
    pszNameString : UInt8*,   # LPSTR optional, out
    cchNameString : UInt32   # DWORD
  ) : UInt32
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 CertGetNameStringANative = Uint32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>, Pointer<Utf8>, Uint32);
typedef CertGetNameStringADart = int Function(Pointer<Void>, int, int, Pointer<Void>, Pointer<Utf8>, int);
final CertGetNameStringA = DynamicLibrary.open('CRYPT32.dll')
    .lookupFunction<CertGetNameStringANative, CertGetNameStringADart>('CertGetNameStringA');
// pCertContext : CERT_CONTEXT* -> Pointer<Void>
// dwType : DWORD -> Uint32
// dwFlags : DWORD -> Uint32
// pvTypePara : void* optional -> Pointer<Void>
// pszNameString : LPSTR optional, out -> Pointer<Utf8>
// cchNameString : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CertGetNameStringA(
  pCertContext: Pointer;   // CERT_CONTEXT*
  dwType: DWORD;   // DWORD
  dwFlags: DWORD;   // DWORD
  pvTypePara: Pointer;   // void* optional
  pszNameString: PAnsiChar;   // LPSTR optional, out
  cchNameString: DWORD   // DWORD
): DWORD; stdcall;
  external 'CRYPT32.dll' name 'CertGetNameStringA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CertGetNameStringA"
  c_CertGetNameStringA :: Ptr () -> Word32 -> Word32 -> Ptr () -> CString -> Word32 -> IO Word32
-- pCertContext : CERT_CONTEXT* -> Ptr ()
-- dwType : DWORD -> Word32
-- dwFlags : DWORD -> Word32
-- pvTypePara : void* optional -> Ptr ()
-- pszNameString : LPSTR optional, out -> CString
-- cchNameString : DWORD -> 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 certgetnamestringa =
  foreign "CertGetNameStringA"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> string @-> uint32_t @-> returning uint32_t)
(* pCertContext : CERT_CONTEXT* -> (ptr void) *)
(* dwType : DWORD -> uint32_t *)
(* dwFlags : DWORD -> uint32_t *)
(* pvTypePara : void* optional -> (ptr void) *)
(* pszNameString : LPSTR optional, out -> string *)
(* cchNameString : DWORD -> 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 crypt32 (t "CRYPT32.dll"))
(cffi:use-foreign-library crypt32)

(cffi:defcfun ("CertGetNameStringA" cert-get-name-string-a :convention :stdcall) :uint32
  (p-cert-context :pointer)   ; CERT_CONTEXT*
  (dw-type :uint32)   ; DWORD
  (dw-flags :uint32)   ; DWORD
  (pv-type-para :pointer)   ; void* optional
  (psz-name-string :pointer)   ; LPSTR optional, out
  (cch-name-string :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CertGetNameStringA = Win32::API::More->new('CRYPT32',
    'DWORD CertGetNameStringA(LPVOID pCertContext, DWORD dwType, DWORD dwFlags, LPVOID pvTypePara, LPSTR pszNameString, DWORD cchNameString)');
# my $ret = $CertGetNameStringA->Call($pCertContext, $dwType, $dwFlags, $pvTypePara, $pszNameString, $cchNameString);
# pCertContext : CERT_CONTEXT* -> LPVOID
# dwType : DWORD -> DWORD
# dwFlags : DWORD -> DWORD
# pvTypePara : void* optional -> LPVOID
# pszNameString : LPSTR optional, out -> LPSTR
# cchNameString : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。