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SymGetSearchPath

関数

シンボル検索パスを取得する。

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 SymGetSearchPath(
    HANDLE hProcess,
    LPSTR SearchPathA,
    DWORD SearchPathLength
);

パラメーター

名前	型	方向
hProcess	HANDLE	in
SearchPathA	LPSTR	out
SearchPathLength	DWORD	in

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 SymGetSearchPath(
    HANDLE hProcess,
    LPSTR SearchPathA,
    DWORD SearchPathLength
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SymGetSearchPath(
    IntPtr hProcess,   // HANDLE
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder SearchPathA,   // LPSTR out
    uint SearchPathLength   // DWORD
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymGetSearchPath(
    hProcess As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPStr)> SearchPathA As System.Text.StringBuilder,   ' LPSTR out
    SearchPathLength As UInteger   ' DWORD
) As Boolean
End Function

' hProcess : HANDLE
' SearchPathA : LPSTR out
' SearchPathLength : DWORD
Declare PtrSafe Function SymGetSearchPath Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal SearchPathA As String, _
    ByVal SearchPathLength 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

SymGetSearchPath = ctypes.windll.dbghelp.SymGetSearchPath
SymGetSearchPath.restype = wintypes.BOOL
SymGetSearchPath.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    wintypes.LPSTR,  # SearchPathA : LPSTR out
    wintypes.DWORD,  # SearchPathLength : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymGetSearchPath = Fiddle::Function.new(
  lib['SymGetSearchPath'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # SearchPathA : LPSTR out
    -Fiddle::TYPE_INT,  # SearchPathLength : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn SymGetSearchPath(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        SearchPathA: *mut u8,  // LPSTR out
        SearchPathLength: u32  // DWORD
    ) -> 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 SymGetSearchPath(IntPtr hProcess, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder SearchPathA, uint SearchPathLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymGetSearchPath' -Namespace Win32 -PassThru
# $api::SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)

#uselib "dbghelp.dll"
#func global SymGetSearchPath "SymGetSearchPath" sptr, sptr, sptr
; SymGetSearchPath hProcess, varptr(SearchPathA), SearchPathLength   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; SearchPathA : LPSTR out -> "sptr"
; SearchPathLength : DWORD -> "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 SymGetSearchPath "SymGetSearchPath" sptr, var, int
; res = SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
; hProcess : HANDLE -> "sptr"
; SearchPathA : LPSTR out -> "var"
; SearchPathLength : DWORD -> "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 "dbghelp.dll"
#cfunc global SymGetSearchPath "SymGetSearchPath" sptr, sptr, int
; res = SymGetSearchPath(hProcess, varptr(SearchPathA), SearchPathLength)
; hProcess : HANDLE -> "sptr"
; SearchPathA : LPSTR out -> "sptr"
; SearchPathLength : DWORD -> "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:

; BOOL SymGetSearchPath(HANDLE hProcess, LPSTR SearchPathA, DWORD SearchPathLength)
#uselib "dbghelp.dll"
#cfunc global SymGetSearchPath "SymGetSearchPath" intptr, var, int
; res = SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
; hProcess : HANDLE -> "intptr"
; SearchPathA : LPSTR out -> "var"
; SearchPathLength : DWORD -> "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。; BOOL SymGetSearchPath(HANDLE hProcess, LPSTR SearchPathA, DWORD SearchPathLength)
#uselib "dbghelp.dll"
#cfunc global SymGetSearchPath "SymGetSearchPath" intptr, intptr, int
; res = SymGetSearchPath(hProcess, varptr(SearchPathA), SearchPathLength)
; hProcess : HANDLE -> "intptr"
; SearchPathA : LPSTR out -> "intptr"
; SearchPathLength : DWORD -> "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 (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymGetSearchPath = dbghelp.NewProc("SymGetSearchPath")
)

// hProcess (HANDLE), SearchPathA (LPSTR out), SearchPathLength (DWORD)
r1, _, err := procSymGetSearchPath.Call(
	uintptr(hProcess),
	uintptr(SearchPathA),
	uintptr(SearchPathLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymGetSearchPath(
  hProcess: THandle;   // HANDLE
  SearchPathA: PAnsiChar;   // LPSTR out
  SearchPathLength: DWORD   // DWORD
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymGetSearchPath';

result := DllCall("dbghelp\SymGetSearchPath"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", SearchPathA   ; LPSTR out
    , "UInt", SearchPathLength   ; DWORD
    , "Int")   ; return: BOOL

●SymGetSearchPath(hProcess, SearchPathA, SearchPathLength) = DLL("dbghelp.dll", "bool SymGetSearchPath(void*, char*, dword)")
# 呼び出し: SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
# hProcess : HANDLE -> "void*"
# SearchPathA : LPSTR out -> "char*"
# SearchPathLength : DWORD -> "dword"
# 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)。