| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S Y S T E M . S T R I N G S -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1995-2022, 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). |
| |
| 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; |