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utext_isLengthExpensive

関数

UTextの長さ取得が高コストか判定する。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

CHAR utext_isLengthExpensive(
    const UText* ut
);

パラメーター

名前	型	方向
ut	UText*	in

戻り値の型: CHAR

各言語での呼び出し定義

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

CHAR utext_isLengthExpensive(
    const UText* ut
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern sbyte utext_isLengthExpensive(
    IntPtr ut   // UText*
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function utext_isLengthExpensive(
    ut As IntPtr   ' UText*
) As SByte
End Function

' ut : UText*
Declare PtrSafe Function utext_isLengthExpensive Lib "icuuc" ( _
    ByVal ut As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

utext_isLengthExpensive = ctypes.cdll.icuuc.utext_isLengthExpensive
utext_isLengthExpensive.restype = ctypes.c_byte
utext_isLengthExpensive.argtypes = [
    ctypes.c_void_p,  # ut : UText*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
utext_isLengthExpensive = Fiddle::Function.new(
  lib['utext_isLengthExpensive'],
  [
    Fiddle::TYPE_VOIDP,  # ut : UText*
  ],
  Fiddle::TYPE_CHAR, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn utext_isLengthExpensive(
        ut: *const UText  // UText*
    ) -> i8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern sbyte utext_isLengthExpensive(IntPtr ut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_utext_isLengthExpensive' -Namespace Win32 -PassThru
# $api::utext_isLengthExpensive(ut)

#uselib "icuuc.dll"
#func global utext_isLengthExpensive "utext_isLengthExpensive" sptr
; utext_isLengthExpensive varptr(ut)   ; 戻り値は stat
; ut : UText* -> "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 "icuuc.dll"
#cfunc global utext_isLengthExpensive "utext_isLengthExpensive" var
; res = utext_isLengthExpensive(ut)
; ut : UText* -> "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 "icuuc.dll"
#cfunc global utext_isLengthExpensive "utext_isLengthExpensive" sptr
; res = utext_isLengthExpensive(varptr(ut))
; ut : UText* -> "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:

; CHAR utext_isLengthExpensive(UText* ut)
#uselib "icuuc.dll"
#cfunc global utext_isLengthExpensive "utext_isLengthExpensive" var
; res = utext_isLengthExpensive(ut)
; ut : UText* -> "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。; CHAR utext_isLengthExpensive(UText* ut)
#uselib "icuuc.dll"
#cfunc global utext_isLengthExpensive "utext_isLengthExpensive" intptr
; res = utext_isLengthExpensive(varptr(ut))
; ut : UText* -> "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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procutext_isLengthExpensive = icuuc.NewProc("utext_isLengthExpensive")
)

// ut (UText*)
r1, _, err := procutext_isLengthExpensive.Call(
	uintptr(ut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CHAR

function utext_isLengthExpensive(
  ut: Pointer   // UText*
): Shortint; cdecl;
  external 'icuuc.dll' name 'utext_isLengthExpensive';

result := DllCall("icuuc\utext_isLengthExpensive"
    , "Ptr", ut   ; UText*
    , "Cdecl Char")   ; return: CHAR

●utext_isLengthExpensive(ut) = DLL("icuuc.dll", "char utext_isLengthExpensive(void*)")
# 呼び出し: utext_isLengthExpensive(ut)
# ut : UText* -> "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。