u_strCompare

関数

長さ指定で二つの文字列を比較する。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

INT u_strCompare(
    const WORD* s1,
    INT length1,
    const WORD* s2,
    INT length2,
    CHAR codePointOrder
);

パラメーター

名前	型	方向
s1	WORD*	in
length1	INT	in
s2	WORD*	in
length2	INT	in
codePointOrder	CHAR	in

戻り値の型: INT

各言語での呼び出し定義

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

INT u_strCompare(
    const WORD* s1,
    INT length1,
    const WORD* s2,
    INT length2,
    CHAR codePointOrder
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int u_strCompare(
    ref ushort s1,   // WORD*
    int length1,   // INT
    ref ushort s2,   // WORD*
    int length2,   // INT
    sbyte codePointOrder   // CHAR
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_strCompare(
    ByRef s1 As UShort,   ' WORD*
    length1 As Integer,   ' INT
    ByRef s2 As UShort,   ' WORD*
    length2 As Integer,   ' INT
    codePointOrder As SByte   ' CHAR
) As Integer
End Function

' s1 : WORD*
' length1 : INT
' s2 : WORD*
' length2 : INT
' codePointOrder : CHAR
Declare PtrSafe Function u_strCompare Lib "icuuc" ( _
    ByRef s1 As Integer, _
    ByVal length1 As Long, _
    ByRef s2 As Integer, _
    ByVal length2 As Long, _
    ByVal codePointOrder As Byte) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

u_strCompare = ctypes.cdll.icuuc.u_strCompare
u_strCompare.restype = ctypes.c_int
u_strCompare.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # s1 : WORD*
    ctypes.c_int,  # length1 : INT
    ctypes.POINTER(ctypes.c_ushort),  # s2 : WORD*
    ctypes.c_int,  # length2 : INT
    ctypes.c_byte,  # codePointOrder : CHAR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_strCompare = Fiddle::Function.new(
  lib['u_strCompare'],
  [
    Fiddle::TYPE_VOIDP,  # s1 : WORD*
    Fiddle::TYPE_INT,  # length1 : INT
    Fiddle::TYPE_VOIDP,  # s2 : WORD*
    Fiddle::TYPE_INT,  # length2 : INT
    Fiddle::TYPE_CHAR,  # codePointOrder : CHAR
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_strCompare(
        s1: *const u16,  // WORD*
        length1: i32,  // INT
        s2: *const u16,  // WORD*
        length2: i32,  // INT
        codePointOrder: i8  // CHAR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int u_strCompare(ref ushort s1, int length1, ref ushort s2, int length2, sbyte codePointOrder);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_strCompare' -Namespace Win32 -PassThru
# $api::u_strCompare(s1, length1, s2, length2, codePointOrder)

#uselib "icuuc.dll"
#func global u_strCompare "u_strCompare" sptr, sptr, sptr, sptr, sptr
; u_strCompare varptr(s1), length1, varptr(s2), length2, codePointOrder   ; 戻り値は stat
; s1 : WORD* -> "sptr"
; length1 : INT -> "sptr"
; s2 : WORD* -> "sptr"
; length2 : INT -> "sptr"
; codePointOrder : CHAR -> "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 u_strCompare "u_strCompare" var, int, var, int, int
; res = u_strCompare(s1, length1, s2, length2, codePointOrder)
; s1 : WORD* -> "var"
; length1 : INT -> "int"
; s2 : WORD* -> "var"
; length2 : INT -> "int"
; codePointOrder : CHAR -> "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 u_strCompare "u_strCompare" sptr, int, sptr, int, int
; res = u_strCompare(varptr(s1), length1, varptr(s2), length2, codePointOrder)
; s1 : WORD* -> "sptr"
; length1 : INT -> "int"
; s2 : WORD* -> "sptr"
; length2 : INT -> "int"
; codePointOrder : CHAR -> "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:

; INT u_strCompare(WORD* s1, INT length1, WORD* s2, INT length2, CHAR codePointOrder)
#uselib "icuuc.dll"
#cfunc global u_strCompare "u_strCompare" var, int, var, int, int
; res = u_strCompare(s1, length1, s2, length2, codePointOrder)
; s1 : WORD* -> "var"
; length1 : INT -> "int"
; s2 : WORD* -> "var"
; length2 : INT -> "int"
; codePointOrder : CHAR -> "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。; INT u_strCompare(WORD* s1, INT length1, WORD* s2, INT length2, CHAR codePointOrder)
#uselib "icuuc.dll"
#cfunc global u_strCompare "u_strCompare" intptr, int, intptr, int, int
; res = u_strCompare(varptr(s1), length1, varptr(s2), length2, codePointOrder)
; s1 : WORD* -> "intptr"
; length1 : INT -> "int"
; s2 : WORD* -> "intptr"
; length2 : INT -> "int"
; codePointOrder : CHAR -> "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")
	procu_strCompare = icuuc.NewProc("u_strCompare")
)

// s1 (WORD*), length1 (INT), s2 (WORD*), length2 (INT), codePointOrder (CHAR)
r1, _, err := procu_strCompare.Call(
	uintptr(s1),
	uintptr(length1),
	uintptr(s2),
	uintptr(length2),
	uintptr(codePointOrder),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function u_strCompare(
  s1: Pointer;   // WORD*
  length1: Integer;   // INT
  s2: Pointer;   // WORD*
  length2: Integer;   // INT
  codePointOrder: Shortint   // CHAR
): Integer; cdecl;
  external 'icuuc.dll' name 'u_strCompare';

result := DllCall("icuuc\u_strCompare"
    , "Ptr", s1   ; WORD*
    , "Int", length1   ; INT
    , "Ptr", s2   ; WORD*
    , "Int", length2   ; INT
    , "Char", codePointOrder   ; CHAR
    , "Cdecl Int")   ; return: INT

●u_strCompare(s1, length1, s2, length2, codePointOrder) = DLL("icuuc.dll", "int u_strCompare(void*, int, void*, int, char)")
# 呼び出し: u_strCompare(s1, length1, s2, length2, codePointOrder)
# s1 : WORD* -> "void*"
# length1 : INT -> "int"
# s2 : WORD* -> "void*"
# length2 : INT -> "int"
# codePointOrder : CHAR -> "char"
# 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。