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{
***************************************************************************
* *
* 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Abstract:
ToDo...
}
unit redirect_stderr;
{$mode objfpc}{$H+}
{$I ide.inc}
interface
{$IFDEF EnableRedirectStdErr}
uses
heaptrc, SysUtils, raw_window;
{$ENDIF}
Var
DoShowWindow : Boolean = True;
implementation
{$IFDEF EnableRedirectStdErr}
const
ErrorBufferLength = 2 * 1024;
var
ErrorBuf : array[0..ErrorBufferLength] of char;
ErrorLen : SizeInt;
ErrorMsg : String = '';
MyStdErr : Text;
Function ErrorWrite(Var F: TextRec): Integer;
{
An error message should always end with #13#10#13#10
}
var
i : SizeInt;
Begin
while F.BufPos>0 do
begin
if F.BufPos+ErrorLen>ErrorBufferLength then
i:=ErrorBufferLength-ErrorLen
else
i:=F.BufPos;
Move(F.BufPtr^,ErrorBuf[ErrorLen],i);
inc(ErrorLen,i);
ErrorBuf[ErrorLen]:=#0;
if ErrorLen >= ErrorBufferLength then
begin
ErrorMsg := ErrorMsg + String(ErrorBuf);
ErrorLen:=0;
ErrorBuf[ErrorLen]:=#0;
end;
Dec(F.BufPos,i);
end;
ErrorWrite:=0;
End;
Function ErrorClose(Var F: TextRec): Integer;
begin
if ErrorLen>0 then
begin
ErrorMsg := ErrorMsg + String(ErrorBuf);
ErrorLen:=0;
end;
If (ErrorMsg <> '') And DoShowWindow Then Begin
ShowWindow(ErrorMsg);
ErrorMsg := '';
end;
ErrorLen:=0;
ErrorBuf[ErrorLen]:=#0;
ErrorClose:=0;
end;
Function ErrorFlush(Var F: TextRec): Integer;
begin
ErrorWrite(F);
if ErrorLen>0 then
begin
ErrorMsg := ErrorMsg + String(ErrorBuf);
ErrorLen:=0;
end;
ErrorLen:=0;
ErrorBuf[ErrorLen]:=#0;
ErrorFlush:=0;
end;
Function ErrorOpen(Var F: TextRec): Integer;
Begin
TextRec(F).InOutFunc:=@ErrorWrite;
TextRec(F).FlushFunc:=@ErrorFlush;
TextRec(F).CloseFunc:=@ErrorClose;
ErrorLen:=0;
ErrorBuf[ErrorLen]:=#0;
ErrorOpen:=0;
ErrorMsg := '';
End;
procedure AssignError(Var T: Text);
begin
Assign(T,'');
TextRec(T).OpenFunc:=@ErrorOpen;
Rewrite(T);
end;
initialization
AssignError(MyStdErr);
SetHeapTraceOutput(MyStdErr);
{$ENDIF}
end.
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