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EnumDirTree

関数

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DLLdbghelp.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり

シグネチャ

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

BOOL EnumDirTree(
    HANDLE hProcess,   // optional
    LPCSTR RootPath,
    LPCSTR InputPathName,
    LPSTR OutputPathBuffer,   // optional
    PENUMDIRTREE_CALLBACK cb,   // optional
    void* data   // optional
);

パラメーター

名前	型	方向
hProcess	HANDLE	inoptional
RootPath	LPCSTR	in
InputPathName	LPCSTR	in
OutputPathBuffer	LPSTR	outoptional
cb	PENUMDIRTREE_CALLBACK	inoptional
data	void*	inoptional

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL EnumDirTree(
    HANDLE hProcess,   // optional
    LPCSTR RootPath,
    LPCSTR InputPathName,
    LPSTR OutputPathBuffer,   // optional
    PENUMDIRTREE_CALLBACK cb,   // optional
    void* data   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool EnumDirTree(
    IntPtr hProcess,   // HANDLE optional
    [MarshalAs(UnmanagedType.LPStr)] string RootPath,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] string InputPathName,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder OutputPathBuffer,   // LPSTR optional, out
    IntPtr cb,   // PENUMDIRTREE_CALLBACK optional
    IntPtr data   // void* optional
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnumDirTree(
    hProcess As IntPtr,   ' HANDLE optional
    <MarshalAs(UnmanagedType.LPStr)> RootPath As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> InputPathName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> OutputPathBuffer As System.Text.StringBuilder,   ' LPSTR optional, out
    cb As IntPtr,   ' PENUMDIRTREE_CALLBACK optional
    data As IntPtr   ' void* optional
) As Boolean
End Function

' hProcess : HANDLE optional
' RootPath : LPCSTR
' InputPathName : LPCSTR
' OutputPathBuffer : LPSTR optional, out
' cb : PENUMDIRTREE_CALLBACK optional
' data : void* optional
Declare PtrSafe Function EnumDirTree Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal RootPath As String, _
    ByVal InputPathName As String, _
    ByVal OutputPathBuffer As String, _
    ByVal cb As LongPtr, _
    ByVal data As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EnumDirTree = ctypes.windll.dbghelp.EnumDirTree
EnumDirTree.restype = wintypes.BOOL
EnumDirTree.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE optional
    wintypes.LPCSTR,  # RootPath : LPCSTR
    wintypes.LPCSTR,  # InputPathName : LPCSTR
    wintypes.LPSTR,  # OutputPathBuffer : LPSTR optional, out
    ctypes.c_void_p,  # cb : PENUMDIRTREE_CALLBACK optional
    ctypes.POINTER(None),  # data : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
EnumDirTree = Fiddle::Function.new(
  lib['EnumDirTree'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE optional
    Fiddle::TYPE_VOIDP,  # RootPath : LPCSTR
    Fiddle::TYPE_VOIDP,  # InputPathName : LPCSTR
    Fiddle::TYPE_VOIDP,  # OutputPathBuffer : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # cb : PENUMDIRTREE_CALLBACK optional
    Fiddle::TYPE_VOIDP,  # data : void* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn EnumDirTree(
        hProcess: *mut core::ffi::c_void,  // HANDLE optional
        RootPath: *const u8,  // LPCSTR
        InputPathName: *const u8,  // LPCSTR
        OutputPathBuffer: *mut u8,  // LPSTR optional, out
        cb: *const core::ffi::c_void,  // PENUMDIRTREE_CALLBACK optional
        data: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool EnumDirTree(IntPtr hProcess, [MarshalAs(UnmanagedType.LPStr)] string RootPath, [MarshalAs(UnmanagedType.LPStr)] string InputPathName, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder OutputPathBuffer, IntPtr cb, IntPtr data);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_EnumDirTree' -Namespace Win32 -PassThru
# $api::EnumDirTree(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)

#uselib "dbghelp.dll"
#func global EnumDirTree "EnumDirTree" sptr, sptr, sptr, sptr, sptr, sptr
; EnumDirTree hProcess, RootPath, InputPathName, varptr(OutputPathBuffer), cb, data   ; 戻り値は stat
; hProcess : HANDLE optional -> "sptr"
; RootPath : LPCSTR -> "sptr"
; InputPathName : LPCSTR -> "sptr"
; OutputPathBuffer : LPSTR optional, out -> "sptr"
; cb : PENUMDIRTREE_CALLBACK optional -> "sptr"
; data : void* optional -> "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 "dbghelp.dll"
#cfunc global EnumDirTree "EnumDirTree" sptr, str, str, var, sptr, sptr
; res = EnumDirTree(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)
; hProcess : HANDLE optional -> "sptr"
; RootPath : LPCSTR -> "str"
; InputPathName : LPCSTR -> "str"
; OutputPathBuffer : LPSTR optional, out -> "var"
; cb : PENUMDIRTREE_CALLBACK optional -> "sptr"
; data : void* optional -> "sptr"
; ※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 "dbghelp.dll"
#cfunc global EnumDirTree "EnumDirTree" sptr, str, str, sptr, sptr, sptr
; res = EnumDirTree(hProcess, RootPath, InputPathName, varptr(OutputPathBuffer), cb, data)
; hProcess : HANDLE optional -> "sptr"
; RootPath : LPCSTR -> "str"
; InputPathName : LPCSTR -> "str"
; OutputPathBuffer : LPSTR optional, out -> "sptr"
; cb : PENUMDIRTREE_CALLBACK optional -> "sptr"
; data : void* optional -> "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:

; BOOL EnumDirTree(HANDLE hProcess, LPCSTR RootPath, LPCSTR InputPathName, LPSTR OutputPathBuffer, PENUMDIRTREE_CALLBACK cb, void* data)
#uselib "dbghelp.dll"
#cfunc global EnumDirTree "EnumDirTree" intptr, str, str, var, intptr, intptr
; res = EnumDirTree(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)
; hProcess : HANDLE optional -> "intptr"
; RootPath : LPCSTR -> "str"
; InputPathName : LPCSTR -> "str"
; OutputPathBuffer : LPSTR optional, out -> "var"
; cb : PENUMDIRTREE_CALLBACK optional -> "intptr"
; data : void* optional -> "intptr"
; ※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。; BOOL EnumDirTree(HANDLE hProcess, LPCSTR RootPath, LPCSTR InputPathName, LPSTR OutputPathBuffer, PENUMDIRTREE_CALLBACK cb, void* data)
#uselib "dbghelp.dll"
#cfunc global EnumDirTree "EnumDirTree" intptr, str, str, intptr, intptr, intptr
; res = EnumDirTree(hProcess, RootPath, InputPathName, varptr(OutputPathBuffer), cb, data)
; hProcess : HANDLE optional -> "intptr"
; RootPath : LPCSTR -> "str"
; InputPathName : LPCSTR -> "str"
; OutputPathBuffer : LPSTR optional, out -> "intptr"
; cb : PENUMDIRTREE_CALLBACK optional -> "intptr"
; data : void* optional -> "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 (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procEnumDirTree = dbghelp.NewProc("EnumDirTree")
)

// hProcess (HANDLE optional), RootPath (LPCSTR), InputPathName (LPCSTR), OutputPathBuffer (LPSTR optional, out), cb (PENUMDIRTREE_CALLBACK optional), data (void* optional)
r1, _, err := procEnumDirTree.Call(
	uintptr(hProcess),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(RootPath))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(InputPathName))),
	uintptr(OutputPathBuffer),
	uintptr(cb),
	uintptr(data),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnumDirTree(
  hProcess: THandle;   // HANDLE optional
  RootPath: PAnsiChar;   // LPCSTR
  InputPathName: PAnsiChar;   // LPCSTR
  OutputPathBuffer: PAnsiChar;   // LPSTR optional, out
  cb: Pointer;   // PENUMDIRTREE_CALLBACK optional
  data: Pointer   // void* optional
): BOOL; stdcall;
  external 'dbghelp.dll' name 'EnumDirTree';

result := DllCall("dbghelp\EnumDirTree"
    , "Ptr", hProcess   ; HANDLE optional
    , "AStr", RootPath   ; LPCSTR
    , "AStr", InputPathName   ; LPCSTR
    , "Ptr", OutputPathBuffer   ; LPSTR optional, out
    , "Ptr", cb   ; PENUMDIRTREE_CALLBACK optional
    , "Ptr", data   ; void* optional
    , "Int")   ; return: BOOL

●EnumDirTree(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data) = DLL("dbghelp.dll", "bool EnumDirTree(void*, char*, char*, char*, void*, void*)")
# 呼び出し: EnumDirTree(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)
# hProcess : HANDLE optional -> "void*"
# RootPath : LPCSTR -> "char*"
# InputPathName : LPCSTR -> "char*"
# OutputPathBuffer : LPSTR optional, out -> "char*"
# cb : PENUMDIRTREE_CALLBACK optional -> "void*"
# data : void* optional -> "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)。