UuidCreate

関数

新しい一意なUUID(GUID)を生成する。

DLLRPCRT4.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// RPCRT4.dll
#include <windows.h>

RPC_STATUS UuidCreate(
    GUID* Uuid
);

パラメーター

名前	型	方向
Uuid	GUID*	out

戻り値の型: RPC_STATUS

各言語での呼び出し定義

// RPCRT4.dll
#include <windows.h>

RPC_STATUS UuidCreate(
    GUID* Uuid
);

[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern int UuidCreate(
    out Guid Uuid   // GUID* out
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function UuidCreate(
    <Out> ByRef Uuid As Guid   ' GUID* out
) As Integer
End Function

' Uuid : GUID* out
Declare PtrSafe Function UuidCreate Lib "rpcrt4" ( _
    ByVal Uuid 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

UuidCreate = ctypes.windll.rpcrt4.UuidCreate
UuidCreate.restype = ctypes.c_int
UuidCreate.argtypes = [
    ctypes.c_void_p,  # Uuid : GUID* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
UuidCreate = Fiddle::Function.new(
  lib['UuidCreate'],
  [
    Fiddle::TYPE_VOIDP,  # Uuid : GUID* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn UuidCreate(
        Uuid: *mut GUID  // GUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int UuidCreate(out Guid Uuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_UuidCreate' -Namespace Win32 -PassThru
# $api::UuidCreate(Uuid)

#uselib "RPCRT4.dll"
#func global UuidCreate "UuidCreate" sptr
; UuidCreate varptr(Uuid)   ; 戻り値は stat
; Uuid : GUID* 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 "RPCRT4.dll"
#cfunc global UuidCreate "UuidCreate" var
; res = UuidCreate(Uuid)
; Uuid : GUID* 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 "RPCRT4.dll"
#cfunc global UuidCreate "UuidCreate" sptr
; res = UuidCreate(varptr(Uuid))
; Uuid : GUID* 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:

; RPC_STATUS UuidCreate(GUID* Uuid)
#uselib "RPCRT4.dll"
#cfunc global UuidCreate "UuidCreate" var
; res = UuidCreate(Uuid)
; Uuid : GUID* 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。; RPC_STATUS UuidCreate(GUID* Uuid)
#uselib "RPCRT4.dll"
#cfunc global UuidCreate "UuidCreate" intptr
; res = UuidCreate(varptr(Uuid))
; Uuid : GUID* 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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procUuidCreate = rpcrt4.NewProc("UuidCreate")
)

// Uuid (GUID* out)
r1, _, err := procUuidCreate.Call(
	uintptr(Uuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function UuidCreate(
  Uuid: PGUID   // GUID* out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'UuidCreate';

result := DllCall("RPCRT4\UuidCreate"
    , "Ptr", Uuid   ; GUID* out
    , "Int")   ; return: RPC_STATUS

●UuidCreate(Uuid) = DLL("RPCRT4.dll", "int UuidCreate(void*)")
# 呼び出し: UuidCreate(Uuid)
# Uuid : GUID* 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)。