PathIsRootA

関数

パスがルートディレクトリを指すかどうかを判定する。

DLLSHLWAPI.dll文字セットANSI (-A)呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

BOOL PathIsRootA(
    LPCSTR pszPath
);

パラメーター

名前	型	方向
pszPath	LPCSTR	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL PathIsRootA(
    LPCSTR pszPath
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern bool PathIsRootA(
    [MarshalAs(UnmanagedType.LPStr)] string pszPath   // LPCSTR
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function PathIsRootA(
    <MarshalAs(UnmanagedType.LPStr)> pszPath As String   ' LPCSTR
) As Boolean
End Function

' pszPath : LPCSTR
Declare PtrSafe Function PathIsRootA Lib "shlwapi" ( _
    ByVal pszPath As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PathIsRootA = ctypes.windll.shlwapi.PathIsRootA
PathIsRootA.restype = wintypes.BOOL
PathIsRootA.argtypes = [
    wintypes.LPCSTR,  # pszPath : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
PathIsRootA = Fiddle::Function.new(
  lib['PathIsRootA'],
  [
    Fiddle::TYPE_VOIDP,  # pszPath : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn PathIsRootA(
        pszPath: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern bool PathIsRootA([MarshalAs(UnmanagedType.LPStr)] string pszPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_PathIsRootA' -Namespace Win32 -PassThru
# $api::PathIsRootA(pszPath)

#uselib "SHLWAPI.dll"
#func global PathIsRootA "PathIsRootA" sptr
; PathIsRootA pszPath   ; 戻り値は stat
; pszPath : LPCSTR -> "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 "SHLWAPI.dll"
#cfunc global PathIsRootA "PathIsRootA" str
; res = PathIsRootA(pszPath)
; pszPath : LPCSTR -> "str"

; BOOL PathIsRootA(LPCSTR pszPath)
#uselib "SHLWAPI.dll"
#cfunc global PathIsRootA "PathIsRootA" str
; res = PathIsRootA(pszPath)
; pszPath : LPCSTR -> "str"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procPathIsRootA = shlwapi.NewProc("PathIsRootA")
)

// pszPath (LPCSTR)
r1, _, err := procPathIsRootA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPath))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PathIsRootA(
  pszPath: PAnsiChar   // LPCSTR
): BOOL; stdcall;
  external 'SHLWAPI.dll' name 'PathIsRootA';

result := DllCall("SHLWAPI\PathIsRootA"
    , "AStr", pszPath   ; LPCSTR
    , "Int")   ; return: BOOL

●PathIsRootA(pszPath) = DLL("SHLWAPI.dll", "bool PathIsRootA(char*)")
# 呼び出し: PathIsRootA(pszPath)
# pszPath : LPCSTR -> "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)。