u_errorName

関数

ICUエラーコードに対応する名前文字列を取得する。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

LPSTR u_errorName(
    UErrorCode code
);

パラメーター

名前	型	方向
code	UErrorCode	in

戻り値の型: LPSTR

各言語での呼び出し定義

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

LPSTR u_errorName(
    UErrorCode code
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr u_errorName(
    int code   // UErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_errorName(
    code As Integer   ' UErrorCode
) As IntPtr
End Function

' code : UErrorCode
Declare PtrSafe Function u_errorName Lib "icuuc" ( _
    ByVal code 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

u_errorName = ctypes.cdll.icuuc.u_errorName
u_errorName.restype = wintypes.LPSTR
u_errorName.argtypes = [
    ctypes.c_int,  # code : UErrorCode
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_errorName = Fiddle::Function.new(
  lib['u_errorName'],
  [
    Fiddle::TYPE_INT,  # code : UErrorCode
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_errorName(
        code: i32  // UErrorCode
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "icuuc.dll"
#func global u_errorName "u_errorName" sptr
; u_errorName code   ; 戻り値は stat
; code : UErrorCode -> "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。

#uselib "icuuc.dll"
#cfunc global u_errorName "u_errorName" int
; res = u_errorName(code)
; code : UErrorCode -> "int"

; LPSTR u_errorName(UErrorCode code)
#uselib "icuuc.dll"
#cfunc global u_errorName "u_errorName" int
; res = u_errorName(code)
; code : UErrorCode -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procu_errorName = icuuc.NewProc("u_errorName")
)

// code (UErrorCode)
r1, _, err := procu_errorName.Call(
	uintptr(code),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function u_errorName(
  code: Integer   // UErrorCode
): PAnsiChar; cdecl;
  external 'icuuc.dll' name 'u_errorName';

result := DllCall("icuuc\u_errorName"
    , "Int", code   ; UErrorCode
    , "Cdecl Ptr")   ; return: LPSTR

●u_errorName(code) = DLL("icuuc.dll", "char* u_errorName(int)")
# 呼び出し: u_errorName(code)
# code : UErrorCode -> "int"
# 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。