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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S Y S T E M . S T R I N G S -- -- -- -- S p e c -- -- -- -- Copyright (C) 1995-2009, 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. -- -- -- ------------------------------------------------------------------------------ -- Common String access types and related subprograms -- Note: this package is in the System hierarchy so that it can be directly -- be used by other predefined packages. User access to this package is via -- a renaming of this package in GNAT.String (file g-string.ads). pragma Compiler_Unit; with Ada.Unchecked_Deallocation; package System.Strings is pragma Preelaborate; type String_Access is access all String; -- General purpose string access type. Note that the caller is -- responsible for freeing allocated strings to avoid memory leaks. procedure Free is new Ada.Unchecked_Deallocation (Object => String, Name => String_Access); -- This procedure is provided for freeing allocated values of type -- String_Access. type String_List is array (Positive range <>) of String_Access; type String_List_Access is access all String_List; -- General purpose array and pointer for list of string accesses procedure Free (Arg : in out String_List_Access); -- Frees the given array and all strings that its elements reference, -- and then sets the argument to null. Provided for freeing allocated -- values of this type. end System.Strings;