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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [g-crc32.adb] - Rev 724
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------------------------------------------------------------------------------ -- -- -- GNAT LIBRARY COMPONENTS -- -- -- -- G N A T . C R C 3 2 -- -- -- -- B o d y -- -- -- -- Copyright (C) 2001-2010, AdaCore -- -- -- -- 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 Ada.Unchecked_Conversion; package body GNAT.CRC32 is ------------ -- Update -- ------------ procedure Update (C : in out CRC32; Value : String) is begin for K in Value'Range loop Update (C, Value (K)); end loop; end Update; procedure Update (C : in out CRC32; Value : Ada.Streams.Stream_Element) is function To_Char is new Ada.Unchecked_Conversion (Ada.Streams.Stream_Element, Character); V : constant Character := To_Char (Value); begin Update (C, V); end Update; procedure Update (C : in out CRC32; Value : Ada.Streams.Stream_Element_Array) is begin for K in Value'Range loop Update (C, Value (K)); end loop; end Update; ----------------- -- Wide_Update -- ----------------- procedure Wide_Update (C : in out CRC32; Value : Wide_Character) is subtype S2 is String (1 .. 2); function To_S2 is new Ada.Unchecked_Conversion (Wide_Character, S2); VS : constant S2 := To_S2 (Value); begin Update (C, VS (1)); Update (C, VS (2)); end Wide_Update; procedure Wide_Update (C : in out CRC32; Value : Wide_String) is begin for K in Value'Range loop Wide_Update (C, Value (K)); end loop; end Wide_Update; end GNAT.CRC32;
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