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99 lines
3.2 KiB
ObjectPascal
99 lines
3.2 KiB
ObjectPascal
{ $Id$ }
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{
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---------------------------------------------------------------------------
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dbgwinextra.pp - Native Freepascal debugger - Extra windows utilities
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---------------------------------------------------------------------------
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This unit contains utility functions and missing win32/64 API
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---------------------------------------------------------------------------
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@created(Mon Apr 10th WET 2006)
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@lastmod($Date$)
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@author(Marc Weustink <marc@@dommelstein.nl>)
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************
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}
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unit DbgWinExtra;
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{$mode objfpc}{$H+}
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interface
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uses
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Windows;
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function GetLastErrorText(AErrorCode: Cardinal): String; {$IFNDEF FPC} overload; {$ENDIF}
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function GetLastErrorText: String; {$IFNDEF FPC} overload; {$ENDIF}
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//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall;
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//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall;
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implementation
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uses
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SysUtils;
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//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall; external 'kernel32';
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//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall; external 'kernel32';
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function GetLastErrorText: String;
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begin
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Result := GetLastErrorText(GetLastError);
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end;
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function GetLastErrorText(AErrorCode: Cardinal): String;
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var
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R: cardinal;
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Temp: PChar;
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begin
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Temp := nil;
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R := FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER or FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_ARGUMENT_ARRAY,
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nil,
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AErrorCode,
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LANG_NEUTRAL,
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Pointer(@Temp), // the fuction needs either a PChar or a PPChar, depending on FORMAT_MESSAGE_ALLOCATE_BUFFER
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0,
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nil);
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if R = 0
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then begin
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Result := '';
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end
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else begin
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Result := Temp;
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SetLength(Result, Length(Result)-2);
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end;
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if Temp <> nil
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then LocalFree(HLOCAL(Temp));
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end;
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end.
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