ホーム › Graphics.Printing › GetPrinterDriverPackagePathA

GetPrinterDriverPackagePathA

関数

プリンタードライバーパッケージのパスを取得する。

DLLwinspool.drv文字セットANSI (-A)呼出規約winapi

シグネチャ

// winspool.drv  (ANSI / -A)
#include <windows.h>

HRESULT GetPrinterDriverPackagePathA(
    LPCSTR pszServer,   // optional
    LPCSTR pszEnvironment,   // optional
    LPCSTR pszLanguage,   // optional
    LPCSTR pszPackageID,
    LPSTR pszDriverPackageCab,   // optional
    DWORD cchDriverPackageCab,   // optional
    DWORD* pcchRequiredSize
);

パラメーター

名前	型	方向	説明
pszServer	LPCSTR	inoptional	対象サーバー名(ANSI)。NULLでローカルマシンを対象とする。
pszEnvironment	LPCSTR	inoptional	対象アーキテクチャ環境名(ANSI)。NULLで現在の環境。
pszLanguage	LPCSTR	inoptional	ドライバパッケージの言語を示す文字列(ANSI)。NULL可。
pszPackageID	LPCSTR	in	取得対象のドライバパッケージを識別するID(ANSI)。
pszDriverPackageCab	LPSTR	inoutoptional	パッケージCABのパスを受け取る出力バッファ(ANSI)。
cchDriverPackageCab	DWORD	inoptional	pszDriverPackageCabバッファのサイズ(文字数)。
pcchRequiredSize	DWORD*	out	必要なバッファサイズ(文字数)を受け取るポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

// winspool.drv  (ANSI / -A)
#include <windows.h>

HRESULT GetPrinterDriverPackagePathA(
    LPCSTR pszServer,   // optional
    LPCSTR pszEnvironment,   // optional
    LPCSTR pszLanguage,   // optional
    LPCSTR pszPackageID,
    LPSTR pszDriverPackageCab,   // optional
    DWORD cchDriverPackageCab,   // optional
    DWORD* pcchRequiredSize
);

[DllImport("winspool.drv", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int GetPrinterDriverPackagePathA(
    [MarshalAs(UnmanagedType.LPStr)] string pszServer,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] string pszEnvironment,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] string pszLanguage,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] string pszPackageID,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszDriverPackageCab,   // LPSTR optional, in/out
    uint cchDriverPackageCab,   // DWORD optional
    out uint pcchRequiredSize   // DWORD* out
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GetPrinterDriverPackagePathA(
    <MarshalAs(UnmanagedType.LPStr)> pszServer As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pszEnvironment As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pszLanguage As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pszPackageID As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pszDriverPackageCab As System.Text.StringBuilder,   ' LPSTR optional, in/out
    cchDriverPackageCab As UInteger,   ' DWORD optional
    <Out> ByRef pcchRequiredSize As UInteger   ' DWORD* out
) As Integer
End Function

' pszServer : LPCSTR optional
' pszEnvironment : LPCSTR optional
' pszLanguage : LPCSTR optional
' pszPackageID : LPCSTR
' pszDriverPackageCab : LPSTR optional, in/out
' cchDriverPackageCab : DWORD optional
' pcchRequiredSize : DWORD* out
Declare PtrSafe Function GetPrinterDriverPackagePathA Lib "winspool.drv" ( _
    ByVal pszServer As String, _
    ByVal pszEnvironment As String, _
    ByVal pszLanguage As String, _
    ByVal pszPackageID As String, _
    ByVal pszDriverPackageCab As String, _
    ByVal cchDriverPackageCab As Long, _
    ByRef pcchRequiredSize 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

GetPrinterDriverPackagePathA = ctypes.windll.LoadLibrary("winspool.drv").GetPrinterDriverPackagePathA
GetPrinterDriverPackagePathA.restype = ctypes.c_int
GetPrinterDriverPackagePathA.argtypes = [
    wintypes.LPCSTR,  # pszServer : LPCSTR optional
    wintypes.LPCSTR,  # pszEnvironment : LPCSTR optional
    wintypes.LPCSTR,  # pszLanguage : LPCSTR optional
    wintypes.LPCSTR,  # pszPackageID : LPCSTR
    wintypes.LPSTR,  # pszDriverPackageCab : LPSTR optional, in/out
    wintypes.DWORD,  # cchDriverPackageCab : DWORD optional
    ctypes.POINTER(wintypes.DWORD),  # pcchRequiredSize : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
GetPrinterDriverPackagePathA = Fiddle::Function.new(
  lib['GetPrinterDriverPackagePathA'],
  [
    Fiddle::TYPE_VOIDP,  # pszServer : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pszEnvironment : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pszLanguage : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pszPackageID : LPCSTR
    Fiddle::TYPE_VOIDP,  # pszDriverPackageCab : LPSTR optional, in/out
    -Fiddle::TYPE_INT,  # cchDriverPackageCab : DWORD optional
    Fiddle::TYPE_VOIDP,  # pcchRequiredSize : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn GetPrinterDriverPackagePathA(
        pszServer: *const u8,  // LPCSTR optional
        pszEnvironment: *const u8,  // LPCSTR optional
        pszLanguage: *const u8,  // LPCSTR optional
        pszPackageID: *const u8,  // LPCSTR
        pszDriverPackageCab: *mut u8,  // LPSTR optional, in/out
        cchDriverPackageCab: u32,  // DWORD optional
        pcchRequiredSize: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern int GetPrinterDriverPackagePathA([MarshalAs(UnmanagedType.LPStr)] string pszServer, [MarshalAs(UnmanagedType.LPStr)] string pszEnvironment, [MarshalAs(UnmanagedType.LPStr)] string pszLanguage, [MarshalAs(UnmanagedType.LPStr)] string pszPackageID, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszDriverPackageCab, uint cchDriverPackageCab, out uint pcchRequiredSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_GetPrinterDriverPackagePathA' -Namespace Win32 -PassThru
# $api::GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)

#uselib "winspool.drv"
#func global GetPrinterDriverPackagePathA "GetPrinterDriverPackagePathA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; GetPrinterDriverPackagePathA pszServer, pszEnvironment, pszLanguage, pszPackageID, varptr(pszDriverPackageCab), cchDriverPackageCab, varptr(pcchRequiredSize)   ; 戻り値は stat
; pszServer : LPCSTR optional -> "sptr"
; pszEnvironment : LPCSTR optional -> "sptr"
; pszLanguage : LPCSTR optional -> "sptr"
; pszPackageID : LPCSTR -> "sptr"
; pszDriverPackageCab : LPSTR optional, in/out -> "sptr"
; cchDriverPackageCab : DWORD optional -> "sptr"
; pcchRequiredSize : DWORD* out -> "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 "winspool.drv"
#cfunc global GetPrinterDriverPackagePathA "GetPrinterDriverPackagePathA" str, str, str, str, var, int, var
; res = GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
; pszServer : LPCSTR optional -> "str"
; pszEnvironment : LPCSTR optional -> "str"
; pszLanguage : LPCSTR optional -> "str"
; pszPackageID : LPCSTR -> "str"
; pszDriverPackageCab : LPSTR optional, in/out -> "var"
; cchDriverPackageCab : DWORD optional -> "int"
; pcchRequiredSize : DWORD* out -> "var"
; ※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 "winspool.drv"
#cfunc global GetPrinterDriverPackagePathA "GetPrinterDriverPackagePathA" str, str, str, str, sptr, int, sptr
; res = GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, varptr(pszDriverPackageCab), cchDriverPackageCab, varptr(pcchRequiredSize))
; pszServer : LPCSTR optional -> "str"
; pszEnvironment : LPCSTR optional -> "str"
; pszLanguage : LPCSTR optional -> "str"
; pszPackageID : LPCSTR -> "str"
; pszDriverPackageCab : LPSTR optional, in/out -> "sptr"
; cchDriverPackageCab : DWORD optional -> "int"
; pcchRequiredSize : DWORD* out -> "sptr"
; ※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:

; HRESULT GetPrinterDriverPackagePathA(LPCSTR pszServer, LPCSTR pszEnvironment, LPCSTR pszLanguage, LPCSTR pszPackageID, LPSTR pszDriverPackageCab, DWORD cchDriverPackageCab, DWORD* pcchRequiredSize)
#uselib "winspool.drv"
#cfunc global GetPrinterDriverPackagePathA "GetPrinterDriverPackagePathA" str, str, str, str, var, int, var
; res = GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
; pszServer : LPCSTR optional -> "str"
; pszEnvironment : LPCSTR optional -> "str"
; pszLanguage : LPCSTR optional -> "str"
; pszPackageID : LPCSTR -> "str"
; pszDriverPackageCab : LPSTR optional, in/out -> "var"
; cchDriverPackageCab : DWORD optional -> "int"
; pcchRequiredSize : DWORD* out -> "var"
; ※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。; HRESULT GetPrinterDriverPackagePathA(LPCSTR pszServer, LPCSTR pszEnvironment, LPCSTR pszLanguage, LPCSTR pszPackageID, LPSTR pszDriverPackageCab, DWORD cchDriverPackageCab, DWORD* pcchRequiredSize)
#uselib "winspool.drv"
#cfunc global GetPrinterDriverPackagePathA "GetPrinterDriverPackagePathA" str, str, str, str, intptr, int, intptr
; res = GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, varptr(pszDriverPackageCab), cchDriverPackageCab, varptr(pcchRequiredSize))
; pszServer : LPCSTR optional -> "str"
; pszEnvironment : LPCSTR optional -> "str"
; pszLanguage : LPCSTR optional -> "str"
; pszPackageID : LPCSTR -> "str"
; pszDriverPackageCab : LPSTR optional, in/out -> "intptr"
; cchDriverPackageCab : DWORD optional -> "int"
; pcchRequiredSize : DWORD* out -> "intptr"
; ※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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procGetPrinterDriverPackagePathA = winspool_drv.NewProc("GetPrinterDriverPackagePathA")
)

// pszServer (LPCSTR optional), pszEnvironment (LPCSTR optional), pszLanguage (LPCSTR optional), pszPackageID (LPCSTR), pszDriverPackageCab (LPSTR optional, in/out), cchDriverPackageCab (DWORD optional), pcchRequiredSize (DWORD* out)
r1, _, err := procGetPrinterDriverPackagePathA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszServer))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszEnvironment))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszLanguage))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPackageID))),
	uintptr(pszDriverPackageCab),
	uintptr(cchDriverPackageCab),
	uintptr(pcchRequiredSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetPrinterDriverPackagePathA(
  pszServer: PAnsiChar;   // LPCSTR optional
  pszEnvironment: PAnsiChar;   // LPCSTR optional
  pszLanguage: PAnsiChar;   // LPCSTR optional
  pszPackageID: PAnsiChar;   // LPCSTR
  pszDriverPackageCab: PAnsiChar;   // LPSTR optional, in/out
  cchDriverPackageCab: DWORD;   // DWORD optional
  pcchRequiredSize: Pointer   // DWORD* out
): Integer; stdcall;
  external 'winspool.drv' name 'GetPrinterDriverPackagePathA';

result := DllCall("winspool.drv\GetPrinterDriverPackagePathA"
    , "AStr", pszServer   ; LPCSTR optional
    , "AStr", pszEnvironment   ; LPCSTR optional
    , "AStr", pszLanguage   ; LPCSTR optional
    , "AStr", pszPackageID   ; LPCSTR
    , "Ptr", pszDriverPackageCab   ; LPSTR optional, in/out
    , "UInt", cchDriverPackageCab   ; DWORD optional
    , "Ptr", pcchRequiredSize   ; DWORD* out
    , "Int")   ; return: HRESULT

●GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize) = DLL("winspool.drv", "int GetPrinterDriverPackagePathA(char*, char*, char*, char*, char*, dword, void*)")
# 呼び出し: GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
# pszServer : LPCSTR optional -> "char*"
# pszEnvironment : LPCSTR optional -> "char*"
# pszLanguage : LPCSTR optional -> "char*"
# pszPackageID : LPCSTR -> "char*"
# pszDriverPackageCab : LPSTR optional, in/out -> "char*"
# cchDriverPackageCab : DWORD optional -> "dword"
# pcchRequiredSize : DWORD* out -> "void*"
# 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 "winspool.drv" fn GetPrinterDriverPackagePathA(
    pszServer: [*c]const u8, // LPCSTR optional
    pszEnvironment: [*c]const u8, // LPCSTR optional
    pszLanguage: [*c]const u8, // LPCSTR optional
    pszPackageID: [*c]const u8, // LPCSTR
    pszDriverPackageCab: [*c]u8, // LPSTR optional, in/out
    cchDriverPackageCab: u32, // DWORD optional
    pcchRequiredSize: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc GetPrinterDriverPackagePathA(
    pszServer: cstring,  # LPCSTR optional
    pszEnvironment: cstring,  # LPCSTR optional
    pszLanguage: cstring,  # LPCSTR optional
    pszPackageID: cstring,  # LPCSTR
    pszDriverPackageCab: ptr char,  # LPSTR optional, in/out
    cchDriverPackageCab: uint32,  # DWORD optional
    pcchRequiredSize: ptr uint32  # DWORD* out
): int32 {.importc: "GetPrinterDriverPackagePathA", stdcall, dynlib: "winspool.drv".}

pragma(lib, "winspool.drv");
extern(Windows)
int GetPrinterDriverPackagePathA(
    const(char)* pszServer,   // LPCSTR optional
    const(char)* pszEnvironment,   // LPCSTR optional
    const(char)* pszLanguage,   // LPCSTR optional
    const(char)* pszPackageID,   // LPCSTR
    char* pszDriverPackageCab,   // LPSTR optional, in/out
    uint cchDriverPackageCab,   // DWORD optional
    uint* pcchRequiredSize   // DWORD* out
);

ccall((:GetPrinterDriverPackagePathA, "winspool.drv"), stdcall, Int32,
      (Cstring, Cstring, Cstring, Cstring, Ptr{UInt8}, UInt32, Ptr{UInt32}),
      pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
# pszServer : LPCSTR optional -> Cstring
# pszEnvironment : LPCSTR optional -> Cstring
# pszLanguage : LPCSTR optional -> Cstring
# pszPackageID : LPCSTR -> Cstring
# pszDriverPackageCab : LPSTR optional, in/out -> Ptr{UInt8}
# cchDriverPackageCab : DWORD optional -> UInt32
# pcchRequiredSize : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetPrinterDriverPackagePathA(
    const char* pszServer,
    const char* pszEnvironment,
    const char* pszLanguage,
    const char* pszPackageID,
    char* pszDriverPackageCab,
    uint32_t cchDriverPackageCab,
    uint32_t* pcchRequiredSize);
]]
local winspool.drv = ffi.load("winspool.drv")
-- winspool.drv.GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
-- pszServer : LPCSTR optional
-- pszEnvironment : LPCSTR optional
-- pszLanguage : LPCSTR optional
-- pszPackageID : LPCSTR
-- pszDriverPackageCab : LPSTR optional, in/out
-- cchDriverPackageCab : DWORD optional
-- pcchRequiredSize : DWORD* out
-- 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('winspool.drv');
const GetPrinterDriverPackagePathA = lib.func('__stdcall', 'GetPrinterDriverPackagePathA', 'int32_t', ['str', 'str', 'str', 'str', 'char *', 'uint32_t', 'uint32_t *']);
// GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
// pszServer : LPCSTR optional -> 'str'
// pszEnvironment : LPCSTR optional -> 'str'
// pszLanguage : LPCSTR optional -> 'str'
// pszPackageID : LPCSTR -> 'str'
// pszDriverPackageCab : LPSTR optional, in/out -> 'char *'
// cchDriverPackageCab : DWORD optional -> 'uint32_t'
// pcchRequiredSize : DWORD* out -> '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("winspool.drv", {
  GetPrinterDriverPackagePathA: { parameters: ["buffer", "buffer", "buffer", "buffer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize)
// pszServer : LPCSTR optional -> "buffer"
// pszEnvironment : LPCSTR optional -> "buffer"
// pszLanguage : LPCSTR optional -> "buffer"
// pszPackageID : LPCSTR -> "buffer"
// pszDriverPackageCab : LPSTR optional, in/out -> "buffer"
// cchDriverPackageCab : DWORD optional -> "u32"
// pcchRequiredSize : DWORD* out -> "pointer"
// 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
int32_t GetPrinterDriverPackagePathA(
    const char* pszServer,
    const char* pszEnvironment,
    const char* pszLanguage,
    const char* pszPackageID,
    char* pszDriverPackageCab,
    uint32_t cchDriverPackageCab,
    uint32_t* pcchRequiredSize);
C, "winspool.drv");
// $ffi->GetPrinterDriverPackagePathA(pszServer, pszEnvironment, pszLanguage, pszPackageID, pszDriverPackageCab, cchDriverPackageCab, pcchRequiredSize);
// pszServer : LPCSTR optional
// pszEnvironment : LPCSTR optional
// pszLanguage : LPCSTR optional
// pszPackageID : LPCSTR
// pszDriverPackageCab : LPSTR optional, in/out
// cchDriverPackageCab : DWORD optional
// pcchRequiredSize : DWORD* out
// 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 Winspool.drv extends StdCallLibrary {
    Winspool.drv INSTANCE = Native.load("winspool.drv", Winspool.drv.class, W32APIOptions.ASCII_OPTIONS);
    int GetPrinterDriverPackagePathA(
        String pszServer,   // LPCSTR optional
        String pszEnvironment,   // LPCSTR optional
        String pszLanguage,   // LPCSTR optional
        String pszPackageID,   // LPCSTR
        byte[] pszDriverPackageCab,   // LPSTR optional, in/out
        int cchDriverPackageCab,   // DWORD optional
        IntByReference pcchRequiredSize   // DWORD* out
    );
}

@[Link("winspool.drv")]
lib Libwinspool.drv
  fun GetPrinterDriverPackagePathA = GetPrinterDriverPackagePathA(
    pszServer : UInt8*,   # LPCSTR optional
    pszEnvironment : UInt8*,   # LPCSTR optional
    pszLanguage : UInt8*,   # LPCSTR optional
    pszPackageID : UInt8*,   # LPCSTR
    pszDriverPackageCab : UInt8*,   # LPSTR optional, in/out
    cchDriverPackageCab : UInt32,   # DWORD optional
    pcchRequiredSize : UInt32*   # DWORD* out
  ) : Int32
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 GetPrinterDriverPackagePathANative = Int32 Function(Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Uint32, Pointer<Uint32>);
typedef GetPrinterDriverPackagePathADart = int Function(Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Uint32>);
final GetPrinterDriverPackagePathA = DynamicLibrary.open('winspool.drv')
    .lookupFunction<GetPrinterDriverPackagePathANative, GetPrinterDriverPackagePathADart>('GetPrinterDriverPackagePathA');
// pszServer : LPCSTR optional -> Pointer<Utf8>
// pszEnvironment : LPCSTR optional -> Pointer<Utf8>
// pszLanguage : LPCSTR optional -> Pointer<Utf8>
// pszPackageID : LPCSTR -> Pointer<Utf8>
// pszDriverPackageCab : LPSTR optional, in/out -> Pointer<Utf8>
// cchDriverPackageCab : DWORD optional -> Uint32
// pcchRequiredSize : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetPrinterDriverPackagePathA(
  pszServer: PAnsiChar;   // LPCSTR optional
  pszEnvironment: PAnsiChar;   // LPCSTR optional
  pszLanguage: PAnsiChar;   // LPCSTR optional
  pszPackageID: PAnsiChar;   // LPCSTR
  pszDriverPackageCab: PAnsiChar;   // LPSTR optional, in/out
  cchDriverPackageCab: DWORD;   // DWORD optional
  pcchRequiredSize: Pointer   // DWORD* out
): Integer; stdcall;
  external 'winspool.drv' name 'GetPrinterDriverPackagePathA';

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

foreign import stdcall safe "GetPrinterDriverPackagePathA"
  c_GetPrinterDriverPackagePathA :: CString -> CString -> CString -> CString -> CString -> Word32 -> Ptr Word32 -> IO Int32
-- pszServer : LPCSTR optional -> CString
-- pszEnvironment : LPCSTR optional -> CString
-- pszLanguage : LPCSTR optional -> CString
-- pszPackageID : LPCSTR -> CString
-- pszDriverPackageCab : LPSTR optional, in/out -> CString
-- cchDriverPackageCab : DWORD optional -> Word32
-- pcchRequiredSize : DWORD* out -> Ptr 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 getprinterdriverpackagepatha =
  foreign "GetPrinterDriverPackagePathA"
    (string @-> string @-> string @-> string @-> string @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* pszServer : LPCSTR optional -> string *)
(* pszEnvironment : LPCSTR optional -> string *)
(* pszLanguage : LPCSTR optional -> string *)
(* pszPackageID : LPCSTR -> string *)
(* pszDriverPackageCab : LPSTR optional, in/out -> string *)
(* cchDriverPackageCab : DWORD optional -> uint32_t *)
(* pcchRequiredSize : DWORD* out -> (ptr 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 winspool.drv (t "winspool.drv"))
(cffi:use-foreign-library winspool.drv)

(cffi:defcfun ("GetPrinterDriverPackagePathA" get-printer-driver-package-path-a :convention :stdcall) :int32
  (psz-server :string)   ; LPCSTR optional
  (psz-environment :string)   ; LPCSTR optional
  (psz-language :string)   ; LPCSTR optional
  (psz-package-id :string)   ; LPCSTR
  (psz-driver-package-cab :pointer)   ; LPSTR optional, in/out
  (cch-driver-package-cab :uint32)   ; DWORD optional
  (pcch-required-size :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetPrinterDriverPackagePathA = Win32::API::More->new('winspool.drv',
    'int GetPrinterDriverPackagePathA(LPCSTR pszServer, LPCSTR pszEnvironment, LPCSTR pszLanguage, LPCSTR pszPackageID, LPSTR pszDriverPackageCab, DWORD cchDriverPackageCab, LPVOID pcchRequiredSize)');
# my $ret = $GetPrinterDriverPackagePathA->Call($pszServer, $pszEnvironment, $pszLanguage, $pszPackageID, $pszDriverPackageCab, $cchDriverPackageCab, $pcchRequiredSize);
# pszServer : LPCSTR optional -> LPCSTR
# pszEnvironment : LPCSTR optional -> LPCSTR
# pszLanguage : LPCSTR optional -> LPCSTR
# pszPackageID : LPCSTR -> LPCSTR
# pszDriverPackageCab : LPSTR optional, in/out -> LPSTR
# cchDriverPackageCab : DWORD optional -> DWORD
# pcchRequiredSize : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

GetPrinterDriverPackagePathA

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