Daily bump.
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2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- A D A . C A L E N D A R . T I M E _ Z O N E S --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2006, Free Software Foundation, Inc. --
10 -- --
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, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
21 -- --
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. --
28 -- --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
31 -- --
32 ------------------------------------------------------------------------------
34 package body Ada.Calendar.Time_Zones is
36 --------------------------
37 -- Implementation Notes --
38 --------------------------
40 -- All operations in this package are target and time representation
41 -- independent, thus only one source file is needed for multiple targets.
43 ---------------------
44 -- UTC_Time_Offset --
45 ---------------------
47 function UTC_Time_Offset (Date : Time := Clock) return Time_Offset is
48 Offset_L : constant Long_Integer :=
49 Time_Zones_Operations.UTC_Time_Offset (Date);
50 Offset : Time_Offset;
52 begin
53 if Offset_L = Invalid_Time_Zone_Offset then
54 raise Unknown_Zone_Error;
55 end if;
57 -- The offset returned by Time_Zones_Operations.UTC_Time_Offset is in
58 -- seconds, the returned value needs to be in minutes.
60 Offset := Time_Offset (Offset_L / 60);
62 -- Validity checks
64 if not Offset'Valid then
65 raise Unknown_Zone_Error;
66 end if;
68 return Offset;
69 end UTC_Time_Offset;
71 end Ada.Calendar.Time_Zones;