UuidHash

関数

UUIDからハッシュ値を計算して返す。

DLLRPCRT4.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

WORD UuidHash(
    GUID* Uuid,
    RPC_STATUS* Status
);

パラメーター

名前	型	方向
Uuid	GUID*	in
Status	RPC_STATUS*	out

戻り値の型: WORD

各言語での呼び出し定義

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

WORD UuidHash(
    GUID* Uuid,
    RPC_STATUS* Status
);

[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern ushort UuidHash(
    ref Guid Uuid,   // GUID*
    out int Status   // RPC_STATUS* out
);

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

' Uuid : GUID*
' Status : RPC_STATUS* out
Declare PtrSafe Function UuidHash Lib "rpcrt4" ( _
    ByVal Uuid As LongPtr, _
    ByRef Status As Long) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UuidHash = ctypes.windll.rpcrt4.UuidHash
UuidHash.restype = ctypes.c_ushort
UuidHash.argtypes = [
    ctypes.c_void_p,  # Uuid : GUID*
    ctypes.c_void_p,  # Status : RPC_STATUS* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
UuidHash = Fiddle::Function.new(
  lib['UuidHash'],
  [
    Fiddle::TYPE_VOIDP,  # Uuid : GUID*
    Fiddle::TYPE_VOIDP,  # Status : RPC_STATUS* out
  ],
  -Fiddle::TYPE_SHORT)

#[link(name = "rpcrt4")]
extern "system" {
    fn UuidHash(
        Uuid: *mut GUID,  // GUID*
        Status: *mut i32  // RPC_STATUS* out
    ) -> u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern ushort UuidHash(ref Guid Uuid, out int Status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_UuidHash' -Namespace Win32 -PassThru
# $api::UuidHash(Uuid, Status)

#uselib "RPCRT4.dll"
#func global UuidHash "UuidHash" sptr, sptr
; UuidHash varptr(Uuid), Status   ; 戻り値は stat
; Uuid : GUID* -> "sptr"
; Status : RPC_STATUS* 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 UuidHash "UuidHash" var, int
; res = UuidHash(Uuid, Status)
; Uuid : GUID* -> "var"
; Status : RPC_STATUS* out -> "int"
; ※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 UuidHash "UuidHash" sptr, int
; res = UuidHash(varptr(Uuid), Status)
; Uuid : GUID* -> "sptr"
; Status : RPC_STATUS* out -> "int"
; ※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:

; WORD UuidHash(GUID* Uuid, RPC_STATUS* Status)
#uselib "RPCRT4.dll"
#cfunc global UuidHash "UuidHash" var, int
; res = UuidHash(Uuid, Status)
; Uuid : GUID* -> "var"
; Status : RPC_STATUS* out -> "int"
; ※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。; WORD UuidHash(GUID* Uuid, RPC_STATUS* Status)
#uselib "RPCRT4.dll"
#cfunc global UuidHash "UuidHash" intptr, int
; res = UuidHash(varptr(Uuid), Status)
; Uuid : GUID* -> "intptr"
; Status : RPC_STATUS* out -> "int"
; ※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")
	procUuidHash = rpcrt4.NewProc("UuidHash")
)

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

function UuidHash(
  Uuid: PGUID;   // GUID*
  Status: Pointer   // RPC_STATUS* out
): Word; stdcall;
  external 'RPCRT4.dll' name 'UuidHash';

result := DllCall("RPCRT4\UuidHash"
    , "Ptr", Uuid   ; GUID*
    , "Ptr", Status   ; RPC_STATUS* out
    , "UShort")   ; return: WORD

●UuidHash(Uuid, Status) = DLL("RPCRT4.dll", "int UuidHash(void*, void*)")
# 呼び出し: UuidHash(Uuid, Status)
# Uuid : GUID* -> "void*"
# Status : RPC_STATUS* 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)。