------------------------------------------------------------------------------
-- --
--- GNU ADA RUNTIME LIBRARY COMPONENTS --
+-- GNAT RUN-TIME LIBRARY COMPONENTS --
-- --
-- S Y S T E M . C O M P A R E _ A R R A Y _ U N S I G N E D _ 8 --
-- --
-- S p e c --
-- --
--- Copyright (C) 2002-2004 Free Software Foundation, Inc. --
+-- Copyright (C) 2002-2009, 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 2, or (at your option) any later ver- --
+-- 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- 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. --
-- This package contains functions for runtime comparisons on arrays whose
-- elements are 8-bit discrete type values to be treated as unsigned.
+pragma Compiler_Unit;
+
package System.Compare_Array_Unsigned_8 is
-- Note: although the functions in this package are in a sense Pure, the
Right : System.Address;
Left_Len : Natural;
Right_Len : Natural) return Integer;
- -- Compare the array starting at address Left of length Left_Len
- -- with the array starting at address Right of length Right_Len.
- -- The comparison is in the normal Ada semantic sense of array
- -- comparison. The result is -1,0,+1 for Left<Right, Left=Right,
- -- Left>Right respectively. This function works with 4 byte words
- -- if the operands are aligned on 4-byte boundaries and long enough.
+ -- Compare the array starting at address Left of length Left_Len with the
+ -- array starting at address Right of length Right_Len. The comparison is
+ -- in the normal Ada semantic sense of array comparison. The result is -1,
+ -- 0, +1 for Left < Right, Left = Right, Left > Right respectively. This
+ -- function works with 4 byte words if the operands are aligned on 4-byte
+ -- boundaries and long enough.
function Compare_Array_U8_Unaligned
(Left : System.Address;
Right : System.Address;
Left_Len : Natural;
Right_Len : Natural) return Integer;
- -- Same functionality as Compare_Array_U8 but always proceeds by
- -- bytes. Used when the caller knows that the operands are unaligned,
- -- or short enough that it makes no sense to go by words.
+ -- Same functionality as Compare_Array_U8 but always proceeds by bytes.
+ -- Used when the caller knows that the operands are unaligned, or short
+ -- enough that it makes no sense to go by words.
end System.Compare_Array_Unsigned_8;
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