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type
  THeader = record
    DataCount: DWord;
    Reserved: DWord;
  end;
  PLogRec = ^TLogRec;
  TLogRec = record
    szPath: array[0..MAX_PATH] of Char;
    lTime: Longint;
  end;
  TLogData = array of TLogRec;

function LoadLogData(const AFilename: String; var LogData: TLogData): Boolean;
var
   Header: THeader;
   FS: TFileStream;
   I: Integer;
begin
     result := false;
     if not FileExists(AFilename) then
        exit;
     FS := TFileStream.Create(AFilename, fmOpenRead or fmShareDenyNone);
     try
        if FS.Size < SizeOf(THeader) then
           exit;
        FS.ReadBuffer(Header, SizeOf(THeader));
        SetLength(LogData, Header.DataCount);
        for I := 0 to Header.DataCount - 1 do
            FS.ReadBuffer(LogData[I], SizeOf(TLogRec));
     finally
        FS.Free;
     end;
end;

function SaveLogData(const AFilename: String; var LogData: TLogData): Boolean;
var
   Header: THeader;
   FS: TFileStream;
   I: Longint;
begin
     result := False;
     if LogData = nil then
        exit;
     QuickSort(LogData);
     FS := TFileStream.Create(AFilename, fmCreate or fmShareDenyNone);
     try
        Header.DataCount := Length(LogData);
        FS.WriteBuffer(Header, SizeOf(THeader));
        for I := Low(LogData) to High(LogData) do
            FS.WriteBuffer(LogData[I], SizeOf(TLogRec));
        result := True;
     finally
        FS.Free;
     end;
end;					

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FS.ReadBuffer(LogData[I], SizeOf(TLogRec));					

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TLogRec = record
    szPath: array[0..MAX_PATH] of Char;
    lTime: Longint;
  end;