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uaw_lstrcmpW

関数

アドレス未整列対応版のワイド文字列比較を行う。

DLLKERNEL32.dll呼出規約winapi

シグネチャ

// KERNEL32.dll
#include <windows.h>

INT uaw_lstrcmpW(
    WORD* String1,
    WORD* String2
);

パラメーター

名前	型	方向
String1	WORD*	in
String2	WORD*	in

戻り値の型: INT

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

INT uaw_lstrcmpW(
    WORD* String1,
    WORD* String2
);

[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern int uaw_lstrcmpW(
    ref ushort String1,   // WORD*
    ref ushort String2   // WORD*
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function uaw_lstrcmpW(
    ByRef String1 As UShort,   ' WORD*
    ByRef String2 As UShort   ' WORD*
) As Integer
End Function

' String1 : WORD*
' String2 : WORD*
Declare PtrSafe Function uaw_lstrcmpW Lib "kernel32" ( _
    ByRef String1 As Integer, _
    ByRef String2 As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uaw_lstrcmpW = ctypes.windll.kernel32.uaw_lstrcmpW
uaw_lstrcmpW.restype = ctypes.c_int
uaw_lstrcmpW.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # String1 : WORD*
    ctypes.POINTER(ctypes.c_ushort),  # String2 : WORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
uaw_lstrcmpW = Fiddle::Function.new(
  lib['uaw_lstrcmpW'],
  [
    Fiddle::TYPE_VOIDP,  # String1 : WORD*
    Fiddle::TYPE_VOIDP,  # String2 : WORD*
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn uaw_lstrcmpW(
        String1: *mut u16,  // WORD*
        String2: *mut u16  // WORD*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern int uaw_lstrcmpW(ref ushort String1, ref ushort String2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_uaw_lstrcmpW' -Namespace Win32 -PassThru
# $api::uaw_lstrcmpW(String1, String2)

#uselib "KERNEL32.dll"
#func global uaw_lstrcmpW "uaw_lstrcmpW" sptr, sptr
; uaw_lstrcmpW varptr(String1), varptr(String2)   ; 戻り値は stat
; String1 : WORD* -> "sptr"
; String2 : WORD* -> "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 "KERNEL32.dll"
#cfunc global uaw_lstrcmpW "uaw_lstrcmpW" var, var
; res = uaw_lstrcmpW(String1, String2)
; String1 : WORD* -> "var"
; String2 : WORD* -> "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 "KERNEL32.dll"
#cfunc global uaw_lstrcmpW "uaw_lstrcmpW" sptr, sptr
; res = uaw_lstrcmpW(varptr(String1), varptr(String2))
; String1 : WORD* -> "sptr"
; String2 : WORD* -> "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:

; INT uaw_lstrcmpW(WORD* String1, WORD* String2)
#uselib "KERNEL32.dll"
#cfunc global uaw_lstrcmpW "uaw_lstrcmpW" var, var
; res = uaw_lstrcmpW(String1, String2)
; String1 : WORD* -> "var"
; String2 : WORD* -> "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。; INT uaw_lstrcmpW(WORD* String1, WORD* String2)
#uselib "KERNEL32.dll"
#cfunc global uaw_lstrcmpW "uaw_lstrcmpW" intptr, intptr
; res = uaw_lstrcmpW(varptr(String1), varptr(String2))
; String1 : WORD* -> "intptr"
; String2 : WORD* -> "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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procuaw_lstrcmpW = kernel32.NewProc("uaw_lstrcmpW")
)

// String1 (WORD*), String2 (WORD*)
r1, _, err := procuaw_lstrcmpW.Call(
	uintptr(String1),
	uintptr(String2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function uaw_lstrcmpW(
  String1: Pointer;   // WORD*
  String2: Pointer   // WORD*
): Integer; stdcall;
  external 'KERNEL32.dll' name 'uaw_lstrcmpW';

result := DllCall("KERNEL32\uaw_lstrcmpW"
    , "Ptr", String1   ; WORD*
    , "Ptr", String2   ; WORD*
    , "Int")   ; return: INT

●uaw_lstrcmpW(String1, String2) = DLL("KERNEL32.dll", "int uaw_lstrcmpW(void*, void*)")
# 呼び出し: uaw_lstrcmpW(String1, String2)
# String1 : WORD* -> "void*"
# String2 : WORD* -> "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)。