ucnv_openU

関数

Unicode名で文字コード変換器を開く。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

UConverter* ucnv_openU(
    const WORD* name,
    UErrorCode* err
);

パラメーター

名前	型	方向
name	WORD*	in
err	UErrorCode*	inout

戻り値の型: UConverter*

各言語での呼び出し定義

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

UConverter* ucnv_openU(
    const WORD* name,
    UErrorCode* err
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr ucnv_openU(
    ref ushort name,   // WORD*
    ref int err   // UErrorCode* in/out
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucnv_openU(
    ByRef name As UShort,   ' WORD*
    ByRef err As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' name : WORD*
' err : UErrorCode* in/out
Declare PtrSafe Function ucnv_openU Lib "icuuc" ( _
    ByRef name As Integer, _
    ByRef err As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucnv_openU = ctypes.cdll.icuuc.ucnv_openU
ucnv_openU.restype = ctypes.c_void_p
ucnv_openU.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # name : WORD*
    ctypes.c_void_p,  # err : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucnv_openU = Fiddle::Function.new(
  lib['ucnv_openU'],
  [
    Fiddle::TYPE_VOIDP,  # name : WORD*
    Fiddle::TYPE_VOIDP,  # err : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucnv_openU(
        name: *const u16,  // WORD*
        err: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ucnv_openU(ref ushort name, ref int err);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucnv_openU' -Namespace Win32 -PassThru
# $api::ucnv_openU(name, err)

#uselib "icuuc.dll"
#func global ucnv_openU "ucnv_openU" sptr, sptr
; ucnv_openU varptr(name), err   ; 戻り値は stat
; name : WORD* -> "sptr"
; err : 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 "icuuc.dll"
#cfunc global ucnv_openU "ucnv_openU" var, int
; res = ucnv_openU(name, err)
; name : WORD* -> "var"
; err : UErrorCode* in/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 "icuuc.dll"
#cfunc global ucnv_openU "ucnv_openU" sptr, int
; res = ucnv_openU(varptr(name), err)
; name : WORD* -> "sptr"
; err : UErrorCode* in/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:

; UConverter* ucnv_openU(WORD* name, UErrorCode* err)
#uselib "icuuc.dll"
#cfunc global ucnv_openU "ucnv_openU" var, int
; res = ucnv_openU(name, err)
; name : WORD* -> "var"
; err : UErrorCode* in/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。; UConverter* ucnv_openU(WORD* name, UErrorCode* err)
#uselib "icuuc.dll"
#cfunc global ucnv_openU "ucnv_openU" intptr, int
; res = ucnv_openU(varptr(name), err)
; name : WORD* -> "intptr"
; err : UErrorCode* in/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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucnv_openU = icuuc.NewProc("ucnv_openU")
)

// name (WORD*), err (UErrorCode* in/out)
r1, _, err := procucnv_openU.Call(
	uintptr(name),
	uintptr(err),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UConverter*

function ucnv_openU(
  name: Pointer;   // WORD*
  err: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ucnv_openU';

result := DllCall("icuuc\ucnv_openU"
    , "Ptr", name   ; WORD*
    , "Ptr", err   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UConverter*

●ucnv_openU(name, err) = DLL("icuuc.dll", "void* ucnv_openU(void*, void*)")
# 呼び出し: ucnv_openU(name, err)
# name : WORD* -> "void*"
# err : 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。