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ReportPersistentIScsiDevicesA

関数

永続的iSCSIデバイス一覧を報告する（ANSI版）。

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

シグネチャ

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

DWORD ReportPersistentIScsiDevicesA(
    DWORD* BufferSizeInChar,
    LPSTR Buffer   // optional
);

パラメーター

名前	型	方向
BufferSizeInChar	DWORD*	inout
Buffer	LPSTR	outoptional

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD ReportPersistentIScsiDevicesA(
    DWORD* BufferSizeInChar,
    LPSTR Buffer   // optional
);

[DllImport("ISCSIDSC.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint ReportPersistentIScsiDevicesA(
    ref uint BufferSizeInChar,   // DWORD* in/out
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder Buffer   // LPSTR optional, out
);

<DllImport("ISCSIDSC.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function ReportPersistentIScsiDevicesA(
    ByRef BufferSizeInChar As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPStr)> Buffer As System.Text.StringBuilder   ' LPSTR optional, out
) As UInteger
End Function

' BufferSizeInChar : DWORD* in/out
' Buffer : LPSTR optional, out
Declare PtrSafe Function ReportPersistentIScsiDevicesA Lib "iscsidsc" ( _
    ByRef BufferSizeInChar As Long, _
    ByVal Buffer 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

ReportPersistentIScsiDevicesA = ctypes.windll.iscsidsc.ReportPersistentIScsiDevicesA
ReportPersistentIScsiDevicesA.restype = wintypes.DWORD
ReportPersistentIScsiDevicesA.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # BufferSizeInChar : DWORD* in/out
    wintypes.LPSTR,  # Buffer : LPSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
ReportPersistentIScsiDevicesA = Fiddle::Function.new(
  lib['ReportPersistentIScsiDevicesA'],
  [
    Fiddle::TYPE_VOIDP,  # BufferSizeInChar : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Buffer : LPSTR optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iscsidsc")]
extern "system" {
    fn ReportPersistentIScsiDevicesA(
        BufferSizeInChar: *mut u32,  // DWORD* in/out
        Buffer: *mut u8  // LPSTR optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ISCSIDSC.dll", CharSet = CharSet.Ansi)]
public static extern uint ReportPersistentIScsiDevicesA(ref uint BufferSizeInChar, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder Buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_ReportPersistentIScsiDevicesA' -Namespace Win32 -PassThru
# $api::ReportPersistentIScsiDevicesA(BufferSizeInChar, Buffer)

#uselib "ISCSIDSC.dll"
#func global ReportPersistentIScsiDevicesA "ReportPersistentIScsiDevicesA" sptr, sptr
; ReportPersistentIScsiDevicesA varptr(BufferSizeInChar), varptr(Buffer)   ; 戻り値は stat
; BufferSizeInChar : DWORD* in/out -> "sptr"
; Buffer : LPSTR optional, 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 "ISCSIDSC.dll"
#cfunc global ReportPersistentIScsiDevicesA "ReportPersistentIScsiDevicesA" var, var
; res = ReportPersistentIScsiDevicesA(BufferSizeInChar, Buffer)
; BufferSizeInChar : DWORD* in/out -> "var"
; Buffer : LPSTR optional, 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 "ISCSIDSC.dll"
#cfunc global ReportPersistentIScsiDevicesA "ReportPersistentIScsiDevicesA" sptr, sptr
; res = ReportPersistentIScsiDevicesA(varptr(BufferSizeInChar), varptr(Buffer))
; BufferSizeInChar : DWORD* in/out -> "sptr"
; Buffer : LPSTR optional, 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 ReportPersistentIScsiDevicesA(DWORD* BufferSizeInChar, LPSTR Buffer)
#uselib "ISCSIDSC.dll"
#cfunc global ReportPersistentIScsiDevicesA "ReportPersistentIScsiDevicesA" var, var
; res = ReportPersistentIScsiDevicesA(BufferSizeInChar, Buffer)
; BufferSizeInChar : DWORD* in/out -> "var"
; Buffer : LPSTR optional, 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 ReportPersistentIScsiDevicesA(DWORD* BufferSizeInChar, LPSTR Buffer)
#uselib "ISCSIDSC.dll"
#cfunc global ReportPersistentIScsiDevicesA "ReportPersistentIScsiDevicesA" intptr, intptr
; res = ReportPersistentIScsiDevicesA(varptr(BufferSizeInChar), varptr(Buffer))
; BufferSizeInChar : DWORD* in/out -> "intptr"
; Buffer : LPSTR optional, 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 (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procReportPersistentIScsiDevicesA = iscsidsc.NewProc("ReportPersistentIScsiDevicesA")
)

// BufferSizeInChar (DWORD* in/out), Buffer (LPSTR optional, out)
r1, _, err := procReportPersistentIScsiDevicesA.Call(
	uintptr(BufferSizeInChar),
	uintptr(Buffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ReportPersistentIScsiDevicesA(
  BufferSizeInChar: Pointer;   // DWORD* in/out
  Buffer: PAnsiChar   // LPSTR optional, out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportPersistentIScsiDevicesA';

result := DllCall("ISCSIDSC\ReportPersistentIScsiDevicesA"
    , "Ptr", BufferSizeInChar   ; DWORD* in/out
    , "Ptr", Buffer   ; LPSTR optional, out
    , "UInt")   ; return: DWORD

●ReportPersistentIScsiDevicesA(BufferSizeInChar, Buffer) = DLL("ISCSIDSC.dll", "dword ReportPersistentIScsiDevicesA(void*, char*)")
# 呼び出し: ReportPersistentIScsiDevicesA(BufferSizeInChar, Buffer)
# BufferSizeInChar : DWORD* in/out -> "void*"
# Buffer : LPSTR optional, out -> "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)。