ホーム › System.Diagnostics.Debug › MapFileAndCheckSumA

MapFileAndCheckSumA

関数

ファイルをマップしチェックサムを計算する。

DLLimagehlp.dll文字セットANSI (-A)呼出規約winapi対応OSWindows XP 以降

シグネチャ

// imagehlp.dll  (ANSI / -A)
#include <windows.h>

DWORD MapFileAndCheckSumA(
    LPCSTR Filename,
    DWORD* HeaderSum,
    DWORD* CheckSum
);

パラメーター

名前	型	方向
Filename	LPCSTR	in
HeaderSum	DWORD*	out
CheckSum	DWORD*	out

戻り値の型: DWORD

各言語での呼び出し定義

// imagehlp.dll  (ANSI / -A)
#include <windows.h>

DWORD MapFileAndCheckSumA(
    LPCSTR Filename,
    DWORD* HeaderSum,
    DWORD* CheckSum
);

[DllImport("imagehlp.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint MapFileAndCheckSumA(
    [MarshalAs(UnmanagedType.LPStr)] string Filename,   // LPCSTR
    out uint HeaderSum,   // DWORD* out
    out uint CheckSum   // DWORD* out
);

<DllImport("imagehlp.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MapFileAndCheckSumA(
    <MarshalAs(UnmanagedType.LPStr)> Filename As String,   ' LPCSTR
    <Out> ByRef HeaderSum As UInteger,   ' DWORD* out
    <Out> ByRef CheckSum As UInteger   ' DWORD* out
) As UInteger
End Function

' Filename : LPCSTR
' HeaderSum : DWORD* out
' CheckSum : DWORD* out
Declare PtrSafe Function MapFileAndCheckSumA Lib "imagehlp" ( _
    ByVal Filename As String, _
    ByRef HeaderSum As Long, _
    ByRef CheckSum 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

MapFileAndCheckSumA = ctypes.windll.imagehlp.MapFileAndCheckSumA
MapFileAndCheckSumA.restype = wintypes.DWORD
MapFileAndCheckSumA.argtypes = [
    wintypes.LPCSTR,  # Filename : LPCSTR
    ctypes.POINTER(wintypes.DWORD),  # HeaderSum : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # CheckSum : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('imagehlp.dll')
MapFileAndCheckSumA = Fiddle::Function.new(
  lib['MapFileAndCheckSumA'],
  [
    Fiddle::TYPE_VOIDP,  # Filename : LPCSTR
    Fiddle::TYPE_VOIDP,  # HeaderSum : DWORD* out
    Fiddle::TYPE_VOIDP,  # CheckSum : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "imagehlp")]
extern "system" {
    fn MapFileAndCheckSumA(
        Filename: *const u8,  // LPCSTR
        HeaderSum: *mut u32,  // DWORD* out
        CheckSum: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("imagehlp.dll", CharSet = CharSet.Ansi)]
public static extern uint MapFileAndCheckSumA([MarshalAs(UnmanagedType.LPStr)] string Filename, out uint HeaderSum, out uint CheckSum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'imagehlp_MapFileAndCheckSumA' -Namespace Win32 -PassThru
# $api::MapFileAndCheckSumA(Filename, HeaderSum, CheckSum)

#uselib "imagehlp.dll"
#func global MapFileAndCheckSumA "MapFileAndCheckSumA" sptr, sptr, sptr
; MapFileAndCheckSumA Filename, varptr(HeaderSum), varptr(CheckSum)   ; 戻り値は stat
; Filename : LPCSTR -> "sptr"
; HeaderSum : DWORD* out -> "sptr"
; CheckSum : DWORD* 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 "imagehlp.dll"
#cfunc global MapFileAndCheckSumA "MapFileAndCheckSumA" str, var, var
; res = MapFileAndCheckSumA(Filename, HeaderSum, CheckSum)
; Filename : LPCSTR -> "str"
; HeaderSum : DWORD* out -> "var"
; CheckSum : DWORD* 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。#uselib "imagehlp.dll"
#cfunc global MapFileAndCheckSumA "MapFileAndCheckSumA" str, sptr, sptr
; res = MapFileAndCheckSumA(Filename, varptr(HeaderSum), varptr(CheckSum))
; Filename : LPCSTR -> "str"
; HeaderSum : DWORD* out -> "sptr"
; CheckSum : DWORD* out -> "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:

; DWORD MapFileAndCheckSumA(LPCSTR Filename, DWORD* HeaderSum, DWORD* CheckSum)
#uselib "imagehlp.dll"
#cfunc global MapFileAndCheckSumA "MapFileAndCheckSumA" str, var, var
; res = MapFileAndCheckSumA(Filename, HeaderSum, CheckSum)
; Filename : LPCSTR -> "str"
; HeaderSum : DWORD* out -> "var"
; CheckSum : DWORD* 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。; DWORD MapFileAndCheckSumA(LPCSTR Filename, DWORD* HeaderSum, DWORD* CheckSum)
#uselib "imagehlp.dll"
#cfunc global MapFileAndCheckSumA "MapFileAndCheckSumA" str, intptr, intptr
; res = MapFileAndCheckSumA(Filename, varptr(HeaderSum), varptr(CheckSum))
; Filename : LPCSTR -> "str"
; HeaderSum : DWORD* out -> "intptr"
; CheckSum : DWORD* out -> "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 (
	imagehlp = windows.NewLazySystemDLL("imagehlp.dll")
	procMapFileAndCheckSumA = imagehlp.NewProc("MapFileAndCheckSumA")
)

// Filename (LPCSTR), HeaderSum (DWORD* out), CheckSum (DWORD* out)
r1, _, err := procMapFileAndCheckSumA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(Filename))),
	uintptr(HeaderSum),
	uintptr(CheckSum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MapFileAndCheckSumA(
  Filename: PAnsiChar;   // LPCSTR
  HeaderSum: Pointer;   // DWORD* out
  CheckSum: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'imagehlp.dll' name 'MapFileAndCheckSumA';

result := DllCall("imagehlp\MapFileAndCheckSumA"
    , "AStr", Filename   ; LPCSTR
    , "Ptr", HeaderSum   ; DWORD* out
    , "Ptr", CheckSum   ; DWORD* out
    , "UInt")   ; return: DWORD

●MapFileAndCheckSumA(Filename, HeaderSum, CheckSum) = DLL("imagehlp.dll", "dword MapFileAndCheckSumA(char*, void*, void*)")
# 呼び出し: MapFileAndCheckSumA(Filename, HeaderSum, CheckSum)
# Filename : LPCSTR -> "char*"
# HeaderSum : DWORD* out -> "void*"
# CheckSum : DWORD* 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)。