MsiGetFeatureCostA

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

DWORD MsiGetFeatureCostA(
    MSIHANDLE hInstall,
    LPCSTR szFeature,
    MSICOSTTREE iCostTree,
    INSTALLSTATE iState,
    INT* piCost
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiGetFeatureCostA(
    hInstall As UInteger,   ' MSIHANDLE
    <MarshalAs(UnmanagedType.LPStr)> szFeature As String,   ' LPCSTR
    iCostTree As Integer,   ' MSICOSTTREE
    iState As Integer,   ' INSTALLSTATE
    ByRef piCost As Integer   ' INT* in/out
) As UInteger
End Function

' hInstall : MSIHANDLE
' szFeature : LPCSTR
' iCostTree : MSICOSTTREE
' iState : INSTALLSTATE
' piCost : INT* in/out
Declare PtrSafe Function MsiGetFeatureCostA Lib "msi" ( _
    ByVal hInstall As Long, _
    ByVal szFeature As String, _
    ByVal iCostTree As Long, _
    ByVal iState As Long, _
    ByRef piCost 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

MsiGetFeatureCostA = ctypes.windll.msi.MsiGetFeatureCostA
MsiGetFeatureCostA.restype = wintypes.DWORD
MsiGetFeatureCostA.argtypes = [
    wintypes.DWORD,  # hInstall : MSIHANDLE
    wintypes.LPCSTR,  # szFeature : LPCSTR
    ctypes.c_int,  # iCostTree : MSICOSTTREE
    ctypes.c_int,  # iState : INSTALLSTATE
    ctypes.POINTER(ctypes.c_int),  # piCost : INT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiGetFeatureCostA = Fiddle::Function.new(
  lib['MsiGetFeatureCostA'],
  [
    -Fiddle::TYPE_INT,  # hInstall : MSIHANDLE
    Fiddle::TYPE_VOIDP,  # szFeature : LPCSTR
    Fiddle::TYPE_INT,  # iCostTree : MSICOSTTREE
    Fiddle::TYPE_INT,  # iState : INSTALLSTATE
    Fiddle::TYPE_VOIDP,  # piCost : INT* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiGetFeatureCostA(
        hInstall: u32,  // MSIHANDLE
        szFeature: *const u8,  // LPCSTR
        iCostTree: i32,  // MSICOSTTREE
        iState: i32,  // INSTALLSTATE
        piCost: *mut i32  // INT* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiGetFeatureCostA(uint hInstall, [MarshalAs(UnmanagedType.LPStr)] string szFeature, int iCostTree, int iState, ref int piCost);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiGetFeatureCostA' -Namespace Win32 -PassThru
# $api::MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost)

#uselib "msi.dll"
#func global MsiGetFeatureCostA "MsiGetFeatureCostA" sptr, sptr, sptr, sptr, sptr
; MsiGetFeatureCostA hInstall, szFeature, iCostTree, iState, varptr(piCost)   ; 戻り値は stat
; hInstall : MSIHANDLE -> "sptr"
; szFeature : LPCSTR -> "sptr"
; iCostTree : MSICOSTTREE -> "sptr"
; iState : INSTALLSTATE -> "sptr"
; piCost : INT* in/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。

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiGetFeatureCostA = msi.NewProc("MsiGetFeatureCostA")
)

// hInstall (MSIHANDLE), szFeature (LPCSTR), iCostTree (MSICOSTTREE), iState (INSTALLSTATE), piCost (INT* in/out)
r1, _, err := procMsiGetFeatureCostA.Call(
	uintptr(hInstall),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szFeature))),
	uintptr(iCostTree),
	uintptr(iState),
	uintptr(piCost),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiGetFeatureCostA(
  hInstall: DWORD;   // MSIHANDLE
  szFeature: PAnsiChar;   // LPCSTR
  iCostTree: Integer;   // MSICOSTTREE
  iState: Integer;   // INSTALLSTATE
  piCost: Pointer   // INT* in/out
): DWORD; stdcall;
  external 'msi.dll' name 'MsiGetFeatureCostA';

result := DllCall("msi\MsiGetFeatureCostA"
    , "UInt", hInstall   ; MSIHANDLE
    , "AStr", szFeature   ; LPCSTR
    , "Int", iCostTree   ; MSICOSTTREE
    , "Int", iState   ; INSTALLSTATE
    , "Ptr", piCost   ; INT* in/out
    , "UInt")   ; return: DWORD

●MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost) = DLL("msi.dll", "dword MsiGetFeatureCostA(dword, char*, int, int, void*)")
# 呼び出し: MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost)
# hInstall : MSIHANDLE -> "dword"
# szFeature : LPCSTR -> "char*"
# iCostTree : MSICOSTTREE -> "int"
# iState : INSTALLSTATE -> "int"
# piCost : INT* in/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 "msi" fn MsiGetFeatureCostA(
    hInstall: u32, // MSIHANDLE
    szFeature: [*c]const u8, // LPCSTR
    iCostTree: i32, // MSICOSTTREE
    iState: i32, // INSTALLSTATE
    piCost: [*c]i32 // INT* in/out
) callconv(std.os.windows.WINAPI) u32;

proc MsiGetFeatureCostA(
    hInstall: uint32,  # MSIHANDLE
    szFeature: cstring,  # LPCSTR
    iCostTree: int32,  # MSICOSTTREE
    iState: int32,  # INSTALLSTATE
    piCost: ptr int32  # INT* in/out
): uint32 {.importc: "MsiGetFeatureCostA", stdcall, dynlib: "msi.dll".}

pragma(lib, "msi");
extern(Windows)
uint MsiGetFeatureCostA(
    uint hInstall,   // MSIHANDLE
    const(char)* szFeature,   // LPCSTR
    int iCostTree,   // MSICOSTTREE
    int iState,   // INSTALLSTATE
    int* piCost   // INT* in/out
);

ccall((:MsiGetFeatureCostA, "msi.dll"), stdcall, UInt32,
      (UInt32, Cstring, Int32, Int32, Ptr{Int32}),
      hInstall, szFeature, iCostTree, iState, piCost)
# hInstall : MSIHANDLE -> UInt32
# szFeature : LPCSTR -> Cstring
# iCostTree : MSICOSTTREE -> Int32
# iState : INSTALLSTATE -> Int32
# piCost : INT* in/out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t MsiGetFeatureCostA(
    uint32_t hInstall,
    const char* szFeature,
    int32_t iCostTree,
    int32_t iState,
    int32_t* piCost);
]]
local msi = ffi.load("msi")
-- msi.MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost)
-- hInstall : MSIHANDLE
-- szFeature : LPCSTR
-- iCostTree : MSICOSTTREE
-- iState : INSTALLSTATE
-- piCost : INT* in/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('msi.dll');
const MsiGetFeatureCostA = lib.func('__stdcall', 'MsiGetFeatureCostA', 'uint32_t', ['uint32_t', 'str', 'int32_t', 'int32_t', 'int32_t *']);
// MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost)
// hInstall : MSIHANDLE -> 'uint32_t'
// szFeature : LPCSTR -> 'str'
// iCostTree : MSICOSTTREE -> 'int32_t'
// iState : INSTALLSTATE -> 'int32_t'
// piCost : INT* in/out -> 'int32_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("msi.dll", {
  MsiGetFeatureCostA: { parameters: ["u32", "buffer", "i32", "i32", "pointer"], result: "u32" },
});
// lib.symbols.MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost)
// hInstall : MSIHANDLE -> "u32"
// szFeature : LPCSTR -> "buffer"
// iCostTree : MSICOSTTREE -> "i32"
// iState : INSTALLSTATE -> "i32"
// piCost : INT* in/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
uint32_t MsiGetFeatureCostA(
    uint32_t hInstall,
    const char* szFeature,
    int32_t iCostTree,
    int32_t iState,
    int32_t* piCost);
C, "msi.dll");
// $ffi->MsiGetFeatureCostA(hInstall, szFeature, iCostTree, iState, piCost);
// hInstall : MSIHANDLE
// szFeature : LPCSTR
// iCostTree : MSICOSTTREE
// iState : INSTALLSTATE
// piCost : INT* in/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 Msi extends StdCallLibrary {
    Msi INSTANCE = Native.load("msi", Msi.class, W32APIOptions.ASCII_OPTIONS);
    int MsiGetFeatureCostA(
        int hInstall,   // MSIHANDLE
        String szFeature,   // LPCSTR
        int iCostTree,   // MSICOSTTREE
        int iState,   // INSTALLSTATE
        IntByReference piCost   // INT* in/out
    );
}

@[Link("msi")]
lib Libmsi
  fun MsiGetFeatureCostA = MsiGetFeatureCostA(
    hInstall : UInt32,   # MSIHANDLE
    szFeature : UInt8*,   # LPCSTR
    iCostTree : Int32,   # MSICOSTTREE
    iState : Int32,   # INSTALLSTATE
    piCost : Int32*   # INT* in/out
  ) : 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 MsiGetFeatureCostANative = Uint32 Function(Uint32, Pointer<Utf8>, Int32, Int32, Pointer<Int32>);
typedef MsiGetFeatureCostADart = int Function(int, Pointer<Utf8>, int, int, Pointer<Int32>);
final MsiGetFeatureCostA = DynamicLibrary.open('msi.dll')
    .lookupFunction<MsiGetFeatureCostANative, MsiGetFeatureCostADart>('MsiGetFeatureCostA');
// hInstall : MSIHANDLE -> Uint32
// szFeature : LPCSTR -> Pointer<Utf8>
// iCostTree : MSICOSTTREE -> Int32
// iState : INSTALLSTATE -> Int32
// piCost : INT* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MsiGetFeatureCostA(
  hInstall: DWORD;   // MSIHANDLE
  szFeature: PAnsiChar;   // LPCSTR
  iCostTree: Integer;   // MSICOSTTREE
  iState: Integer;   // INSTALLSTATE
  piCost: Pointer   // INT* in/out
): DWORD; stdcall;
  external 'msi.dll' name 'MsiGetFeatureCostA';

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

foreign import stdcall safe "MsiGetFeatureCostA"
  c_MsiGetFeatureCostA :: Word32 -> CString -> Int32 -> Int32 -> Ptr Int32 -> IO Word32
-- hInstall : MSIHANDLE -> Word32
-- szFeature : LPCSTR -> CString
-- iCostTree : MSICOSTTREE -> Int32
-- iState : INSTALLSTATE -> Int32
-- piCost : INT* in/out -> Ptr Int32
-- 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 msigetfeaturecosta =
  foreign "MsiGetFeatureCostA"
    (uint32_t @-> string @-> int32_t @-> int32_t @-> (ptr int32_t) @-> returning uint32_t)
(* hInstall : MSIHANDLE -> uint32_t *)
(* szFeature : LPCSTR -> string *)
(* iCostTree : MSICOSTTREE -> int32_t *)
(* iState : INSTALLSTATE -> int32_t *)
(* piCost : INT* in/out -> (ptr int32_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 msi (t "msi.dll"))
(cffi:use-foreign-library msi)

(cffi:defcfun ("MsiGetFeatureCostA" msi-get-feature-cost-a :convention :stdcall) :uint32
  (h-install :uint32)   ; MSIHANDLE
  (sz-feature :string)   ; LPCSTR
  (i-cost-tree :int32)   ; MSICOSTTREE
  (i-state :int32)   ; INSTALLSTATE
  (pi-cost :pointer))   ; INT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MsiGetFeatureCostA = Win32::API::More->new('msi',
    'DWORD MsiGetFeatureCostA(DWORD hInstall, LPCSTR szFeature, int iCostTree, int iState, LPVOID piCost)');
# my $ret = $MsiGetFeatureCostA->Call($hInstall, $szFeature, $iCostTree, $iState, $piCost);
# hInstall : MSIHANDLE -> DWORD
# szFeature : LPCSTR -> LPCSTR
# iCostTree : MSICOSTTREE -> int
# iState : INSTALLSTATE -> int
# piCost : INT* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。