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uspoof_checkUTF8

関数
UTF-8文字列のなりすまし可能性を検査する。
DLLicuin.dll呼出規約cdecl

シグネチャ

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

INT uspoof_checkUTF8(
    const USpoofChecker* sc,
    LPCSTR id,
    INT length,
    INT* position,
    UErrorCode* status
);

パラメーター

名前方向説明
scUSpoofChecker*in対象のUSpoofCheckerへのポインター。
idLPCSTRin検査対象の識別子を指すUTF-8文字列へのポインター。
lengthINTin識別子のバイト長。NUL終端なら-1を指定可能。
positionINT*inout非推奨。常に-1を返す位置出力ポインター。NULL可。
statusUErrorCode*inoutICUのエラーコードを入出力するUErrorCodeへのポインター。

戻り値の型: INT

各言語での呼び出し定義

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

INT uspoof_checkUTF8(
    const USpoofChecker* sc,
    LPCSTR id,
    INT length,
    INT* position,
    UErrorCode* status
);
[DllImport("icuin.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int uspoof_checkUTF8(
    ref IntPtr sc,   // USpoofChecker*
    [MarshalAs(UnmanagedType.LPStr)] string id,   // LPCSTR
    int length,   // INT
    ref int position,   // INT* in/out
    ref int status   // UErrorCode* in/out
);
<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uspoof_checkUTF8(
    ByRef sc As IntPtr,   ' USpoofChecker*
    <MarshalAs(UnmanagedType.LPStr)> id As String,   ' LPCSTR
    length As Integer,   ' INT
    ByRef position As Integer,   ' INT* in/out
    ByRef status As Integer   ' UErrorCode* in/out
) As Integer
End Function
' sc : USpoofChecker*
' id : LPCSTR
' length : INT
' position : INT* in/out
' status : UErrorCode* in/out
Declare PtrSafe Function uspoof_checkUTF8 Lib "icuin" ( _
    ByRef sc As LongPtr, _
    ByVal id As String, _
    ByVal length As Long, _
    ByRef position As Long, _
    ByRef status 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

uspoof_checkUTF8 = ctypes.cdll.icuin.uspoof_checkUTF8
uspoof_checkUTF8.restype = ctypes.c_int
uspoof_checkUTF8.argtypes = [
    ctypes.c_void_p,  # sc : USpoofChecker*
    wintypes.LPCSTR,  # id : LPCSTR
    ctypes.c_int,  # length : INT
    ctypes.POINTER(ctypes.c_int),  # position : INT* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
uspoof_checkUTF8 = Fiddle::Function.new(
  lib['uspoof_checkUTF8'],
  [
    Fiddle::TYPE_VOIDP,  # sc : USpoofChecker*
    Fiddle::TYPE_VOIDP,  # id : LPCSTR
    Fiddle::TYPE_INT,  # length : INT
    Fiddle::TYPE_VOIDP,  # position : INT* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)
#[link(name = "icuin")]
extern "C" {
    fn uspoof_checkUTF8(
        sc: *const isize,  // USpoofChecker*
        id: *const u8,  // LPCSTR
        length: i32,  // INT
        position: *mut i32,  // INT* in/out
        status: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uspoof_checkUTF8(ref IntPtr sc, [MarshalAs(UnmanagedType.LPStr)] string id, int length, ref int position, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_uspoof_checkUTF8' -Namespace Win32 -PassThru
# $api::uspoof_checkUTF8(sc, id, length, position, status)
#uselib "icuin.dll"
#func global uspoof_checkUTF8 "uspoof_checkUTF8" sptr, sptr, sptr, sptr, sptr
; uspoof_checkUTF8 varptr(sc), id, length, varptr(position), varptr(status)   ; 戻り値は stat
; sc : USpoofChecker* -> "sptr"
; id : LPCSTR -> "sptr"
; length : INT -> "sptr"
; position : INT* in/out -> "sptr"
; status : UErrorCode* 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。
出力引数:
#uselib "icuin.dll"
#cfunc global uspoof_checkUTF8 "uspoof_checkUTF8" var, str, int, var, var
; res = uspoof_checkUTF8(sc, id, length, position, status)
; sc : USpoofChecker* -> "var"
; id : LPCSTR -> "str"
; length : INT -> "int"
; position : INT* in/out -> "var"
; status : UErrorCode* in/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。
出力引数:
; INT uspoof_checkUTF8(USpoofChecker* sc, LPCSTR id, INT length, INT* position, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global uspoof_checkUTF8 "uspoof_checkUTF8" var, str, int, var, var
; res = uspoof_checkUTF8(sc, id, length, position, status)
; sc : USpoofChecker* -> "var"
; id : LPCSTR -> "str"
; length : INT -> "int"
; position : INT* in/out -> "var"
; status : UErrorCode* in/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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procuspoof_checkUTF8 = icuin.NewProc("uspoof_checkUTF8")
)

// sc (USpoofChecker*), id (LPCSTR), length (INT), position (INT* in/out), status (UErrorCode* in/out)
r1, _, err := procuspoof_checkUTF8.Call(
	uintptr(sc),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(id))),
	uintptr(length),
	uintptr(position),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function uspoof_checkUTF8(
  sc: Pointer;   // USpoofChecker*
  id: PAnsiChar;   // LPCSTR
  length: Integer;   // INT
  position: Pointer;   // INT* in/out
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'uspoof_checkUTF8';
result := DllCall("icuin\uspoof_checkUTF8"
    , "Ptr", sc   ; USpoofChecker*
    , "AStr", id   ; LPCSTR
    , "Int", length   ; INT
    , "Ptr", position   ; INT* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT
●uspoof_checkUTF8(sc, id, length, position, status) = DLL("icuin.dll", "int uspoof_checkUTF8(void*, char*, int, void*, void*)")
# 呼び出し: uspoof_checkUTF8(sc, id, length, position, status)
# sc : USpoofChecker* -> "void*"
# id : LPCSTR -> "char*"
# length : INT -> "int"
# position : INT* in/out -> "void*"
# status : UErrorCode* 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。
const std = @import("std");

extern "icuin" fn uspoof_checkUTF8(
    sc: [*c]isize, // USpoofChecker*
    id: [*c]const u8, // LPCSTR
    length: i32, // INT
    position: [*c]i32, // INT* in/out
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;
proc uspoof_checkUTF8(
    sc: ptr int,  # USpoofChecker*
    id: cstring,  # LPCSTR
    length: int32,  # INT
    position: ptr int32,  # INT* in/out
    status: ptr int32  # UErrorCode* in/out
): int32 {.importc: "uspoof_checkUTF8", cdecl, dynlib: "icuin.dll".}
pragma(lib, "icuin");
extern(C)
int uspoof_checkUTF8(
    ptrdiff_t* sc,   // USpoofChecker*
    const(char)* id,   // LPCSTR
    int length,   // INT
    int* position,   // INT* in/out
    int* status   // UErrorCode* in/out
);
ccall((:uspoof_checkUTF8, "icuin.dll"), Int32,
      (Ptr{Int}, Cstring, Int32, Ptr{Int32}, Ptr{Int32}),
      sc, id, length, position, status)
# sc : USpoofChecker* -> Ptr{Int}
# id : LPCSTR -> Cstring
# length : INT -> Int32
# position : INT* in/out -> Ptr{Int32}
# status : UErrorCode* in/out -> Ptr{Int32}
local ffi = require("ffi")
ffi.cdef[[
int32_t uspoof_checkUTF8(
    intptr_t* sc,
    const char* id,
    int32_t length,
    int32_t* position,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.uspoof_checkUTF8(sc, id, length, position, status)
-- sc : USpoofChecker*
-- id : LPCSTR
-- length : INT
-- position : INT* in/out
-- status : UErrorCode* 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('icuin.dll');
const uspoof_checkUTF8 = lib.func('__cdecl', 'uspoof_checkUTF8', 'int32_t', ['intptr_t *', 'str', 'int32_t', 'int32_t *', 'int32_t *']);
// uspoof_checkUTF8(sc, id, length, position, status)
// sc : USpoofChecker* -> 'intptr_t *'
// id : LPCSTR -> 'str'
// length : INT -> 'int32_t'
// position : INT* in/out -> 'int32_t *'
// status : UErrorCode* 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("icuin.dll", {
  uspoof_checkUTF8: { parameters: ["pointer", "buffer", "i32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.uspoof_checkUTF8(sc, id, length, position, status)
// sc : USpoofChecker* -> "pointer"
// id : LPCSTR -> "buffer"
// length : INT -> "i32"
// position : INT* in/out -> "pointer"
// status : UErrorCode* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t uspoof_checkUTF8(
    intptr_t* sc,
    const char* id,
    int32_t length,
    int32_t* position,
    int32_t* status);
C, "icuin.dll");
// $ffi->uspoof_checkUTF8(sc, id, length, position, status);
// sc : USpoofChecker*
// id : LPCSTR
// length : INT
// position : INT* in/out
// status : UErrorCode* 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。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Icuin extends Library {
    Icuin INSTANCE = Native.load("icuin", Icuin.class);
    int uspoof_checkUTF8(
        LongByReference sc,   // USpoofChecker*
        String id,   // LPCSTR
        int length,   // INT
        IntByReference position,   // INT* in/out
        IntByReference status   // UErrorCode* in/out
    );
}
@[Link("icuin")]
lib Libicuin
  fun uspoof_checkUTF8 = uspoof_checkUTF8(
    sc : LibC::SSizeT*,   # USpoofChecker*
    id : UInt8*,   # LPCSTR
    length : Int32,   # INT
    position : Int32*,   # INT* in/out
    status : Int32*   # UErrorCode* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef uspoof_checkUTF8Native = Int32 Function(Pointer<IntPtr>, Pointer<Utf8>, Int32, Pointer<Int32>, Pointer<Int32>);
typedef uspoof_checkUTF8Dart = int Function(Pointer<IntPtr>, Pointer<Utf8>, int, Pointer<Int32>, Pointer<Int32>);
final uspoof_checkUTF8 = DynamicLibrary.open('icuin.dll')
    .lookupFunction<uspoof_checkUTF8Native, uspoof_checkUTF8Dart>('uspoof_checkUTF8');
// sc : USpoofChecker* -> Pointer<IntPtr>
// id : LPCSTR -> Pointer<Utf8>
// length : INT -> Int32
// position : INT* in/out -> Pointer<Int32>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function uspoof_checkUTF8(
  sc: Pointer;   // USpoofChecker*
  id: PAnsiChar;   // LPCSTR
  length: Integer;   // INT
  position: Pointer;   // INT* in/out
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'uspoof_checkUTF8';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import ccall safe "uspoof_checkUTF8"
  c_uspoof_checkUTF8 :: Ptr CIntPtr -> CString -> Int32 -> Ptr Int32 -> Ptr Int32 -> IO Int32
-- sc : USpoofChecker* -> Ptr CIntPtr
-- id : LPCSTR -> CString
-- length : INT -> Int32
-- position : INT* in/out -> Ptr Int32
-- status : UErrorCode* 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 uspoof_checkutf8 =
  foreign "uspoof_checkUTF8"
    ((ptr intptr_t) @-> string @-> int32_t @-> (ptr int32_t) @-> (ptr int32_t) @-> returning int32_t)
(* sc : USpoofChecker* -> (ptr intptr_t) *)
(* id : LPCSTR -> string *)
(* length : INT -> int32_t *)
(* position : INT* in/out -> (ptr int32_t) *)
(* status : UErrorCode* 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 icuin (t "icuin.dll"))
(cffi:use-foreign-library icuin)

(cffi:defcfun ("uspoof_checkUTF8" uspoof-check-utf8 :convention :cdecl) :int32
  (sc :pointer)   ; USpoofChecker*
  (id :string)   ; LPCSTR
  (length :int32)   ; INT
  (position :pointer)   ; INT* in/out
  (status :pointer))   ; UErrorCode* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $uspoof_checkUTF8 = Win32::API::More->new('icuin',
    'int uspoof_checkUTF8(LPVOID sc, LPCSTR id, int length, LPVOID position, LPVOID status)');
# my $ret = $uspoof_checkUTF8->Call($sc, $id, $length, $position, $status);
# sc : USpoofChecker* -> LPVOID
# id : LPCSTR -> LPCSTR
# length : INT -> int
# position : INT* in/out -> LPVOID
# status : UErrorCode* 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。

関連項目

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