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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [s-strcom.ads] - Blame information for rev 706

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                    GNAT RUN-TIME LIBRARY COMPONENTS                      --
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--                                                                          --
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--                S Y S T E M . S T R I N G _ C O M P A R E                 --
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--                                                                          --
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--                                 S p e c                                  --
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--                                                                          --
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--          Copyright (C) 2002-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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--  This package contains functions for runtime comparisons on strings
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pragma Compiler_Unit;
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package System.String_Compare is
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   function Str_Compare
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     (Left      : System.Address;
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      Right     : System.Address;
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      Left_Len  : Natural;
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      Right_Len : Natural) return Integer;
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   --  Compare the string starting at address Left of length Left_Len
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   --  with the string starting at address Right of length Right_Len.
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   --  The comparison is in the normal Ada semantic sense of string
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   --  comparison. The result is -1,0,+1 for Left<Right, Left=Right,
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   --  Left>Right respectively. This function works with 4 byte words
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   --  if the operands are aligned on 4-byte boundaries and long enough.
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   function Str_Compare_Bytes
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     (Left      : System.Address;
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      Right     : System.Address;
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      Left_Len  : Natural;
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      Right_Len : Natural) return Integer;
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   --  Same functionality as Str_Compare but always proceeds by bytes.
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   --  Used when the caller knows that the operands are unaligned, or
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   --  short enough that it makes no sense to go by words.
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end System.String_Compare;

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