1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- G N A T . T I M E _ S T A M P --
9 -- Copyright (C) 2008, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 with Interfaces.C; use Interfaces.C;
36 package body GNAT.Time_Stamp is
38 subtype time_stamp is char_array (0 .. 22);
39 type time_stamp_ptr is access all time_stamp;
40 -- The desired ISO 8601 string format has exactly 22 characters. We add
41 -- one additional character for '\0'. The indexing starts from zero to
42 -- accomodate the C layout.
44 procedure gnat_current_time_string (Value : time_stamp_ptr);
45 pragma Import (C, gnat_current_time_string, "__gnat_current_time_string");
51 function Current_Time return String is
52 Result : aliased time_stamp;
55 gnat_current_time_string (Result'Unchecked_Access);
58 return To_Ada (Result);