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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT RUN-TIME COMPONENTS                         --

--                                                                          --

--              A D A . C A L E N D A R . C O N V E R S I O N S             --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--        Copyright (C) 2008-2009  Free Software Foundation, Inc.           --

--                                                                          --

-- GNAT is free software;  you can  redistribute it  and/or modify it under --

-- terms of the  GNU General Public License as published  by the Free Soft- --

-- ware  Foundation;  either version 3,  or (at your option) any later ver- --

-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --

-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --

-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --

--                                                                          --

-- As a special exception under Section 7 of GPL version 3, you are granted --

-- additional permissions described in the GCC Runtime Library Exception,   --

-- version 3.1, as published by the Free Software Foundation.               --

--                                                                          --

-- You should have received a copy of the GNU General Public License and    --

-- a copy of the GCC Runtime Library Exception along with this program;     --

-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --

-- <http://www.gnu.org/licenses/>.                                          --

--                                                                          --

-- GNAT was originally developed  by the GNAT team at  New York University. --

-- Extensive contributions were provided by Ada Core Technologies Inc.      --

--                                                                          --

------------------------------------------------------------------------------

with Interfaces.C; use Interfaces.C;

package body Ada.Calendar.Conversions is

   -----------------

   -- To_Ada_Time --

   -----------------

   function To_Ada_Time (Unix_Time : long) return Time is

      Val : constant Long_Integer := Long_Integer (Unix_Time);

   begin

      return Conversion_Operations.To_Ada_Time (Val);

   end To_Ada_Time;

   -----------------

   -- To_Ada_Time --

   -----------------

   function To_Ada_Time

     (tm_year  : int;

      tm_mon   : int;

      tm_day   : int;

      tm_hour  : int;

      tm_min   : int;

      tm_sec   : int;

      tm_isdst : int) return Time

   is

      Year   : constant Integer := Integer (tm_year);

      Month  : constant Integer := Integer (tm_mon);

      Day    : constant Integer := Integer (tm_day);

      Hour   : constant Integer := Integer (tm_hour);

      Minute : constant Integer := Integer (tm_min);

      Second : constant Integer := Integer (tm_sec);

      DST    : constant Integer := Integer (tm_isdst);

   begin

      return

        Conversion_Operations.To_Ada_Time

          (Year, Month, Day, Hour, Minute, Second, DST);

   end To_Ada_Time;

   -----------------

   -- To_Duration --

   -----------------

   function To_Duration

     (tv_sec  : long;

      tv_nsec : long) return Duration

   is

      Secs      : constant Long_Integer := Long_Integer (tv_sec);

      Nano_Secs : constant Long_Integer := Long_Integer (tv_nsec);

   begin

      return Conversion_Operations.To_Duration (Secs, Nano_Secs);

   end To_Duration;

   ------------------------

   -- To_Struct_Timespec --

   ------------------------

   procedure To_Struct_Timespec

     (D       : Duration;

      tv_sec  : out long;

      tv_nsec : out long)

   is

      Secs      : Long_Integer;

      Nano_Secs : Long_Integer;

   begin

      Conversion_Operations.To_Struct_Timespec (D, Secs, Nano_Secs);

      tv_sec  := long (Secs);

      tv_nsec := long (Nano_Secs);

   end To_Struct_Timespec;

   ------------------

   -- To_Struct_Tm --

   ------------------

   procedure To_Struct_Tm

     (T       : Time;

      tm_year : out int;

      tm_mon  : out int;

      tm_day  : out int;

      tm_hour : out int;

      tm_min  : out int;

      tm_sec  : out int)

   is

      Year   : Integer;

      Month  : Integer;

      Day    : Integer;

      Hour   : Integer;

      Minute : Integer;

      Second : Integer;

   begin

      Conversion_Operations.To_Struct_Tm

        (T, Year, Month, Day, Hour, Minute, Second);

      tm_year := int (Year);

      tm_mon  := int (Month);

      tm_day  := int (Day);

      tm_hour := int (Hour);

      tm_min  := int (Minute);

      tm_sec  := int (Second);

   end To_Struct_Tm;

   ------------------

   -- To_Unix_Time --

   ------------------

   function To_Unix_Time (Ada_Time : Time) return long is

      Val : constant Long_Integer :=

              Conversion_Operations.To_Unix_Time (Ada_Time);

   begin

      return long (Val);

   end To_Unix_Time;

end Ada.Calendar.Conversions;