MsiGetComponentPathExA

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

INSTALLSTATE MsiGetComponentPathExA(
    LPCSTR szProductCode,
    LPCSTR szComponentCode,
    LPCSTR szUserSid,   // optional
    MSIINSTALLCONTEXT dwContext,   // optional
    LPSTR lpOutPathBuffer,   // optional
    DWORD* pcchOutPathBuffer   // optional
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiGetComponentPathExA(
    <MarshalAs(UnmanagedType.LPStr)> szProductCode As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szComponentCode As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szUserSid As String,   ' LPCSTR optional
    dwContext As Integer,   ' MSIINSTALLCONTEXT optional
    <MarshalAs(UnmanagedType.LPStr)> lpOutPathBuffer As System.Text.StringBuilder,   ' LPSTR optional, out
    pcchOutPathBuffer As IntPtr   ' DWORD* optional, in/out
) As Integer
End Function

' szProductCode : LPCSTR
' szComponentCode : LPCSTR
' szUserSid : LPCSTR optional
' dwContext : MSIINSTALLCONTEXT optional
' lpOutPathBuffer : LPSTR optional, out
' pcchOutPathBuffer : DWORD* optional, in/out
Declare PtrSafe Function MsiGetComponentPathExA Lib "msi" ( _
    ByVal szProductCode As String, _
    ByVal szComponentCode As String, _
    ByVal szUserSid As String, _
    ByVal dwContext As Long, _
    ByVal lpOutPathBuffer As String, _
    ByVal pcchOutPathBuffer As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MsiGetComponentPathExA = ctypes.windll.msi.MsiGetComponentPathExA
MsiGetComponentPathExA.restype = ctypes.c_int
MsiGetComponentPathExA.argtypes = [
    wintypes.LPCSTR,  # szProductCode : LPCSTR
    wintypes.LPCSTR,  # szComponentCode : LPCSTR
    wintypes.LPCSTR,  # szUserSid : LPCSTR optional
    ctypes.c_int,  # dwContext : MSIINSTALLCONTEXT optional
    wintypes.LPSTR,  # lpOutPathBuffer : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchOutPathBuffer : DWORD* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiGetComponentPathExA = Fiddle::Function.new(
  lib['MsiGetComponentPathExA'],
  [
    Fiddle::TYPE_VOIDP,  # szProductCode : LPCSTR
    Fiddle::TYPE_VOIDP,  # szComponentCode : LPCSTR
    Fiddle::TYPE_VOIDP,  # szUserSid : LPCSTR optional
    Fiddle::TYPE_INT,  # dwContext : MSIINSTALLCONTEXT optional
    Fiddle::TYPE_VOIDP,  # lpOutPathBuffer : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchOutPathBuffer : DWORD* optional, in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiGetComponentPathExA(
        szProductCode: *const u8,  // LPCSTR
        szComponentCode: *const u8,  // LPCSTR
        szUserSid: *const u8,  // LPCSTR optional
        dwContext: i32,  // MSIINSTALLCONTEXT optional
        lpOutPathBuffer: *mut u8,  // LPSTR optional, out
        pcchOutPathBuffer: *mut u32  // DWORD* optional, in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern int MsiGetComponentPathExA([MarshalAs(UnmanagedType.LPStr)] string szProductCode, [MarshalAs(UnmanagedType.LPStr)] string szComponentCode, [MarshalAs(UnmanagedType.LPStr)] string szUserSid, int dwContext, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpOutPathBuffer, IntPtr pcchOutPathBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiGetComponentPathExA' -Namespace Win32 -PassThru
# $api::MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer)

#uselib "msi.dll"
#func global MsiGetComponentPathExA "MsiGetComponentPathExA" sptr, sptr, sptr, sptr, sptr, sptr
; MsiGetComponentPathExA szProductCode, szComponentCode, szUserSid, dwContext, varptr(lpOutPathBuffer), varptr(pcchOutPathBuffer)   ; 戻り値は stat
; szProductCode : LPCSTR -> "sptr"
; szComponentCode : LPCSTR -> "sptr"
; szUserSid : LPCSTR optional -> "sptr"
; dwContext : MSIINSTALLCONTEXT optional -> "sptr"
; lpOutPathBuffer : LPSTR optional, out -> "sptr"
; pcchOutPathBuffer : DWORD* optional, 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")
	procMsiGetComponentPathExA = msi.NewProc("MsiGetComponentPathExA")
)

// szProductCode (LPCSTR), szComponentCode (LPCSTR), szUserSid (LPCSTR optional), dwContext (MSIINSTALLCONTEXT optional), lpOutPathBuffer (LPSTR optional, out), pcchOutPathBuffer (DWORD* optional, in/out)
r1, _, err := procMsiGetComponentPathExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szProductCode))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szComponentCode))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szUserSid))),
	uintptr(dwContext),
	uintptr(lpOutPathBuffer),
	uintptr(pcchOutPathBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INSTALLSTATE

function MsiGetComponentPathExA(
  szProductCode: PAnsiChar;   // LPCSTR
  szComponentCode: PAnsiChar;   // LPCSTR
  szUserSid: PAnsiChar;   // LPCSTR optional
  dwContext: Integer;   // MSIINSTALLCONTEXT optional
  lpOutPathBuffer: PAnsiChar;   // LPSTR optional, out
  pcchOutPathBuffer: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'msi.dll' name 'MsiGetComponentPathExA';

result := DllCall("msi\MsiGetComponentPathExA"
    , "AStr", szProductCode   ; LPCSTR
    , "AStr", szComponentCode   ; LPCSTR
    , "AStr", szUserSid   ; LPCSTR optional
    , "Int", dwContext   ; MSIINSTALLCONTEXT optional
    , "Ptr", lpOutPathBuffer   ; LPSTR optional, out
    , "Ptr", pcchOutPathBuffer   ; DWORD* optional, in/out
    , "Int")   ; return: INSTALLSTATE

●MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer) = DLL("msi.dll", "int MsiGetComponentPathExA(char*, char*, char*, int, char*, void*)")
# 呼び出し: MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer)
# szProductCode : LPCSTR -> "char*"
# szComponentCode : LPCSTR -> "char*"
# szUserSid : LPCSTR optional -> "char*"
# dwContext : MSIINSTALLCONTEXT optional -> "int"
# lpOutPathBuffer : LPSTR optional, out -> "char*"
# pcchOutPathBuffer : DWORD* optional, 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 MsiGetComponentPathExA(
    szProductCode: [*c]const u8, // LPCSTR
    szComponentCode: [*c]const u8, // LPCSTR
    szUserSid: [*c]const u8, // LPCSTR optional
    dwContext: i32, // MSIINSTALLCONTEXT optional
    lpOutPathBuffer: [*c]u8, // LPSTR optional, out
    pcchOutPathBuffer: [*c]u32 // DWORD* optional, in/out
) callconv(std.os.windows.WINAPI) i32;

proc MsiGetComponentPathExA(
    szProductCode: cstring,  # LPCSTR
    szComponentCode: cstring,  # LPCSTR
    szUserSid: cstring,  # LPCSTR optional
    dwContext: int32,  # MSIINSTALLCONTEXT optional
    lpOutPathBuffer: ptr char,  # LPSTR optional, out
    pcchOutPathBuffer: ptr uint32  # DWORD* optional, in/out
): int32 {.importc: "MsiGetComponentPathExA", stdcall, dynlib: "msi.dll".}

pragma(lib, "msi");
extern(Windows)
int MsiGetComponentPathExA(
    const(char)* szProductCode,   // LPCSTR
    const(char)* szComponentCode,   // LPCSTR
    const(char)* szUserSid,   // LPCSTR optional
    int dwContext,   // MSIINSTALLCONTEXT optional
    char* lpOutPathBuffer,   // LPSTR optional, out
    uint* pcchOutPathBuffer   // DWORD* optional, in/out
);

ccall((:MsiGetComponentPathExA, "msi.dll"), stdcall, Int32,
      (Cstring, Cstring, Cstring, Int32, Ptr{UInt8}, Ptr{UInt32}),
      szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer)
# szProductCode : LPCSTR -> Cstring
# szComponentCode : LPCSTR -> Cstring
# szUserSid : LPCSTR optional -> Cstring
# dwContext : MSIINSTALLCONTEXT optional -> Int32
# lpOutPathBuffer : LPSTR optional, out -> Ptr{UInt8}
# pcchOutPathBuffer : DWORD* optional, in/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 MsiGetComponentPathExA(
    const char* szProductCode,
    const char* szComponentCode,
    const char* szUserSid,
    int32_t dwContext,
    char* lpOutPathBuffer,
    uint32_t* pcchOutPathBuffer);
]]
local msi = ffi.load("msi")
-- msi.MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer)
-- szProductCode : LPCSTR
-- szComponentCode : LPCSTR
-- szUserSid : LPCSTR optional
-- dwContext : MSIINSTALLCONTEXT optional
-- lpOutPathBuffer : LPSTR optional, out
-- pcchOutPathBuffer : DWORD* optional, 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 MsiGetComponentPathExA = lib.func('__stdcall', 'MsiGetComponentPathExA', 'int32_t', ['str', 'str', 'str', 'int32_t', 'char *', 'uint32_t *']);
// MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer)
// szProductCode : LPCSTR -> 'str'
// szComponentCode : LPCSTR -> 'str'
// szUserSid : LPCSTR optional -> 'str'
// dwContext : MSIINSTALLCONTEXT optional -> 'int32_t'
// lpOutPathBuffer : LPSTR optional, out -> 'char *'
// pcchOutPathBuffer : DWORD* optional, in/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("msi.dll", {
  MsiGetComponentPathExA: { parameters: ["buffer", "buffer", "buffer", "i32", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer)
// szProductCode : LPCSTR -> "buffer"
// szComponentCode : LPCSTR -> "buffer"
// szUserSid : LPCSTR optional -> "buffer"
// dwContext : MSIINSTALLCONTEXT optional -> "i32"
// lpOutPathBuffer : LPSTR optional, out -> "buffer"
// pcchOutPathBuffer : DWORD* optional, 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
int32_t MsiGetComponentPathExA(
    const char* szProductCode,
    const char* szComponentCode,
    const char* szUserSid,
    int32_t dwContext,
    char* lpOutPathBuffer,
    uint32_t* pcchOutPathBuffer);
C, "msi.dll");
// $ffi->MsiGetComponentPathExA(szProductCode, szComponentCode, szUserSid, dwContext, lpOutPathBuffer, pcchOutPathBuffer);
// szProductCode : LPCSTR
// szComponentCode : LPCSTR
// szUserSid : LPCSTR optional
// dwContext : MSIINSTALLCONTEXT optional
// lpOutPathBuffer : LPSTR optional, out
// pcchOutPathBuffer : DWORD* optional, 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 MsiGetComponentPathExA(
        String szProductCode,   // LPCSTR
        String szComponentCode,   // LPCSTR
        String szUserSid,   // LPCSTR optional
        int dwContext,   // MSIINSTALLCONTEXT optional
        byte[] lpOutPathBuffer,   // LPSTR optional, out
        IntByReference pcchOutPathBuffer   // DWORD* optional, in/out
    );
}

@[Link("msi")]
lib Libmsi
  fun MsiGetComponentPathExA = MsiGetComponentPathExA(
    szProductCode : UInt8*,   # LPCSTR
    szComponentCode : UInt8*,   # LPCSTR
    szUserSid : UInt8*,   # LPCSTR optional
    dwContext : Int32,   # MSIINSTALLCONTEXT optional
    lpOutPathBuffer : UInt8*,   # LPSTR optional, out
    pcchOutPathBuffer : UInt32*   # DWORD* optional, in/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 MsiGetComponentPathExANative = Int32 Function(Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Int32, Pointer<Utf8>, Pointer<Uint32>);
typedef MsiGetComponentPathExADart = int Function(Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Utf8>, Pointer<Uint32>);
final MsiGetComponentPathExA = DynamicLibrary.open('msi.dll')
    .lookupFunction<MsiGetComponentPathExANative, MsiGetComponentPathExADart>('MsiGetComponentPathExA');
// szProductCode : LPCSTR -> Pointer<Utf8>
// szComponentCode : LPCSTR -> Pointer<Utf8>
// szUserSid : LPCSTR optional -> Pointer<Utf8>
// dwContext : MSIINSTALLCONTEXT optional -> Int32
// lpOutPathBuffer : LPSTR optional, out -> Pointer<Utf8>
// pcchOutPathBuffer : DWORD* optional, in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MsiGetComponentPathExA(
  szProductCode: PAnsiChar;   // LPCSTR
  szComponentCode: PAnsiChar;   // LPCSTR
  szUserSid: PAnsiChar;   // LPCSTR optional
  dwContext: Integer;   // MSIINSTALLCONTEXT optional
  lpOutPathBuffer: PAnsiChar;   // LPSTR optional, out
  pcchOutPathBuffer: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'msi.dll' name 'MsiGetComponentPathExA';

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

foreign import stdcall safe "MsiGetComponentPathExA"
  c_MsiGetComponentPathExA :: CString -> CString -> CString -> Int32 -> CString -> Ptr Word32 -> IO Int32
-- szProductCode : LPCSTR -> CString
-- szComponentCode : LPCSTR -> CString
-- szUserSid : LPCSTR optional -> CString
-- dwContext : MSIINSTALLCONTEXT optional -> Int32
-- lpOutPathBuffer : LPSTR optional, out -> CString
-- pcchOutPathBuffer : DWORD* optional, in/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 msigetcomponentpathexa =
  foreign "MsiGetComponentPathExA"
    (string @-> string @-> string @-> int32_t @-> string @-> (ptr uint32_t) @-> returning int32_t)
(* szProductCode : LPCSTR -> string *)
(* szComponentCode : LPCSTR -> string *)
(* szUserSid : LPCSTR optional -> string *)
(* dwContext : MSIINSTALLCONTEXT optional -> int32_t *)
(* lpOutPathBuffer : LPSTR optional, out -> string *)
(* pcchOutPathBuffer : DWORD* optional, in/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 msi (t "msi.dll"))
(cffi:use-foreign-library msi)

(cffi:defcfun ("MsiGetComponentPathExA" msi-get-component-path-ex-a :convention :stdcall) :int32
  (sz-product-code :string)   ; LPCSTR
  (sz-component-code :string)   ; LPCSTR
  (sz-user-sid :string)   ; LPCSTR optional
  (dw-context :int32)   ; MSIINSTALLCONTEXT optional
  (lp-out-path-buffer :pointer)   ; LPSTR optional, out
  (pcch-out-path-buffer :pointer))   ; DWORD* optional, in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MsiGetComponentPathExA = Win32::API::More->new('msi',
    'int MsiGetComponentPathExA(LPCSTR szProductCode, LPCSTR szComponentCode, LPCSTR szUserSid, int dwContext, LPSTR lpOutPathBuffer, LPVOID pcchOutPathBuffer)');
# my $ret = $MsiGetComponentPathExA->Call($szProductCode, $szComponentCode, $szUserSid, $dwContext, $lpOutPathBuffer, $pcchOutPathBuffer);
# szProductCode : LPCSTR -> LPCSTR
# szComponentCode : LPCSTR -> LPCSTR
# szUserSid : LPCSTR optional -> LPCSTR
# dwContext : MSIINSTALLCONTEXT optional -> int
# lpOutPathBuffer : LPSTR optional, out -> LPSTR
# pcchOutPathBuffer : DWORD* optional, 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。