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{ $Id: fpdbgwinextra.pp 42802 2013-09-15 10:59:04Z martin $ }
{
---------------------------------------------------------------------------
fpdbgwinextra.pp - Native Freepascal debugger - Extra windows utilities
---------------------------------------------------------------------------
This unit contains utility functions and missing win32/64 API
---------------------------------------------------------------------------
@created(Mon Apr 10th WET 2006)
@lastmod($Date: 2013-09-15 12:59:04 +0200 (So, 15 Sep 2013) $)
@author(Marc Weustink <marc@@dommelstein.nl>)
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
}
unit FpDbgWinExtra;
{$mode objfpc}{$H+}
interface
uses
Windows;
function GetLastErrorText(AErrorCode: Cardinal): String; {$IFNDEF FPC} overload; {$ENDIF}
function GetLastErrorText: String; {$IFNDEF FPC} overload; {$ENDIF}
//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall;
//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall;
implementation
uses
SysUtils;
//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall; external 'kernel32';
//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall; external 'kernel32';
function GetLastErrorText: String;
begin
Result := GetLastErrorText(GetLastError);
end;
function GetLastErrorText(AErrorCode: Cardinal): String;
var
R: cardinal;
Temp: PChar;
begin
Temp := nil;
R := FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER or FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_ARGUMENT_ARRAY,
nil,
AErrorCode,
LANG_NEUTRAL,
Pointer(@Temp), // the fuction needs either a PChar or a PPChar, depending on FORMAT_MESSAGE_ALLOCATE_BUFFER
0,
nil);
if R = 0
then begin
Result := '';
end
else begin
Result := Temp;
SetLength(Result, Length(Result)-2);
end;
if Temp <> nil
then LocalFree(HLOCAL(Temp));
end;
end.
|
