/usr/share/ada/adainclude/log4ada/log4ada-appenders-files.adb is in liblog4ada2-dev 1.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Log4Ada --
-- --
-- Copyright (C) 2007-2009 --
-- X. Grave CNRS --
-- --
-- This library 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 library 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. --
-- --
-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
package body Log4ada.Appenders.Files is
----------
-- Open --
----------
procedure Open
(File : not null access File_Type;
Name : String)
is
begin
if File.File_Open then
return;
end if;
File.File_Name := Ada.Strings.Unbounded.To_Unbounded_String (Name);
Ada.Text_IO.Create (File.File,
Name => Name & ".0");
File.File_Open := True;
end Open;
-------------
-- Refresh --
-------------
procedure Refresh (File : not null access File_Type) is
begin
if not File.File_Open then
return;
end if;
File.Current_Number := File.Current_Number + 1;
Close (File);
File.File_Open := False;
declare
Number_Image : constant String := Natural'Image (File.Current_Number);
begin
Ada.Text_IO.Create
(File.File,
Name => Ada.Strings.Unbounded.To_String (File.File_Name) & "." &
Number_Image (Number_Image'First + 1 .. Number_Image'Last));
end;
File.Current_Size := 0;
File.File_Open := True;
end Refresh;
-----------
-- Close --
-----------
procedure Close (File : not null access File_Type) is
begin
if File.File_Open then
Ada.Text_IO.Close (File.File);
File.File_Open := False;
end if;
end Close;
------------
-- Append --
------------
function Event_Size (Event : Events.Event_Type) return File_Size_Type;
procedure Append
(File : not null access File_Type;
Event : Events.Event_Type)
is
Timestamp_Diff : Integer;
use Events;
begin
if not File.Enabled then
return;
end if;
if not Continue (File, Event) then
return;
end if;
if not File.File_Open then
return;
end if;
if File.Current_Size + Event_Size (Event) > File.Max_Size then
Refresh (File);
end if;
Timestamp_Diff := Get_Timestamp (Event) - Events.First_Event_Timestamp;
Ada.Text_IO.Put (File.File, Timestamp_Diff'Img & " ");
Ada.Text_IO.Put (File.File, Get_Level (Event)'Img & " [");
Ada.Text_IO.Put (File.File, Get_Location_Information (Event) & "] ");
Ada.Text_IO.Put (File.File, Get_Logger_Name (Event) & " - ");
Ada.Text_IO.Put (File.File, Get_Message (Event));
if Exception_Present (Event) then
Ada.Text_IO.Put (File.File, " - " & Get_Exception_Name (Event));
Ada.Text_IO.Put_Line (File.File,
" - " & Get_Exception_Message (Event));
else
Ada.Text_IO.New_Line (File.File);
end if;
File.Current_Size := File.Current_Size + Event_Size (Event);
Ada.Text_IO.Flush (File.File);
end Append;
function Event_Size (Event : Events.Event_Type) return File_Size_Type is
Event_Size : File_Size_Type := 0;
Timestamp_Diff : Integer;
use Events;
begin
Timestamp_Diff := Get_Timestamp (Event) - Events.First_Event_Timestamp;
Event_Size := Timestamp_Diff'Img'Length + 1;
Event_Size := Event_Size + Get_Level (Event)'Img'Length + 2;
Event_Size := Event_Size + Get_Location_Information (Event)'Length + 2;
Event_Size := Event_Size + Get_Logger_Name (Event)'Length + 3;
Event_Size := Event_Size + Get_Message (Event)'Length;
if Exception_Present (Event) then
Event_Size := Event_Size + Get_Exception_Name (Event)'Length + 3;
Event_Size := Event_Size + Get_Exception_Message (Event)'Length + 4;
else
Event_Size := Event_Size + 1;
end if;
return Event_Size;
end Event_Size;
procedure Set_File_Max_Size (File : not null access File_Type;
Size : File_Size_Type) is
begin
File.Max_Size := Size;
end Set_File_Max_Size;
end Log4ada.Appenders.Files;
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