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-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- I N T E R F A C E S . C . S T R I N G S --
--- --
--- S p e c --
--- --
--- Copyright (C) 1993-2009, Free Software Foundation, Inc. --
--- --
--- This specification is derived from the Ada Reference Manual for use with --
--- GNAT. The copyright notice above, and the license provisions that follow --
--- apply solely to the contents of the part following the private keyword. --
--- --
--- 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. --
--- --
-------------------------------------------------------------------------------
-
-package Interfaces.C.Strings is
- pragma Preelaborate;
-
- type char_array_access is access all char_array;
-
- pragma Warnings (Off);
- pragma No_Strict_Aliasing (char_array_access);
- pragma Warnings (On);
- -- Since this type is used for external interfacing, with the pointer
- -- coming from who knows where, it seems a good idea to turn off any
- -- strict aliasing assumptions for this type. We turn off warnings for
- -- this pragma to deal with being compiled with an earlier GNAT version
- -- that does not recognize this pragma.
-
- type chars_ptr is private;
-
- type chars_ptr_array is array (size_t range <>) of chars_ptr;
-
- Null_Ptr : constant chars_ptr;
-
- function To_Chars_Ptr
- (Item : char_array_access;
- Nul_Check : Boolean := False) return chars_ptr;
-
- function New_Char_Array (Chars : char_array) return chars_ptr;
-
- function New_String (Str : String) return chars_ptr;
-
- procedure Free (Item : in out chars_ptr);
-
- Dereference_Error : exception;
-
- function Value (Item : chars_ptr) return char_array;
-
- function Value
- (Item : chars_ptr;
- Length : size_t) return char_array;
-
- function Value (Item : chars_ptr) return String;
-
- function Value
- (Item : chars_ptr;
- Length : size_t) return String;
-
- function Strlen (Item : chars_ptr) return size_t;
-
- procedure Update
- (Item : chars_ptr;
- Offset : size_t;
- Chars : char_array;
- Check : Boolean := True);
-
- procedure Update
- (Item : chars_ptr;
- Offset : size_t;
- Str : String;
- Check : Boolean := True);
-
- Update_Error : exception;
-
-private
- type chars_ptr is access all Character;
- pragma Convention (C, chars_ptr);
-
- pragma No_Strict_Aliasing (chars_ptr);
- -- Since this type is used for external interfacing, with the pointer
- -- coming from who knows where, it seems a good idea to turn off any
- -- strict aliasing assumptions for this type.
-
- Null_Ptr : constant chars_ptr := null;
-end Interfaces.C.Strings;