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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [a-colien.adb] - Blame information for rev 706

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--         A D A . C O M M A N D _ L I N E . E N V I R O N M E N T          --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1996-2009, 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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with System;
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package body Ada.Command_Line.Environment is
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   -----------------------
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   -- Environment_Count --
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   -----------------------
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   function Environment_Count return Natural is
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      function Env_Count return Natural;
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      pragma Import (C, Env_Count, "__gnat_env_count");
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   begin
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      return Env_Count;
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   end Environment_Count;
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   -----------------------
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   -- Environment_Value --
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   -----------------------
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   function Environment_Value (Number : Positive) return String is
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      procedure Fill_Env (E : System.Address; Env_Num : Integer);
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      pragma Import (C, Fill_Env, "__gnat_fill_env");
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      function Len_Env (Env_Num : Integer) return Integer;
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      pragma Import (C, Len_Env, "__gnat_len_env");
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   begin
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      if Number > Environment_Count then
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         raise Constraint_Error;
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      end if;
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      declare
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         Env : aliased String (1 .. Len_Env (Number - 1));
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      begin
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         Fill_Env (Env'Address, Number - 1);
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         return Env;
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      end;
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   end Environment_Value;
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end Ada.Command_Line.Environment;

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