-----------------------------------------------------------------------
-- ado-c -- Support for driver implementation
-- Copyright (C) 2009, 2010, 2011, 2012, 2018 Stephane Carrez
-- Written by Stephane Carrez (Stephane.Carrez@gmail.com)
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-----------------------------------------------------------------------
with Interfaces.C;
with Interfaces.C.Strings;
with Ada.Finalization;
with Ada.Unchecked_Conversion;
with System;
package ADO.C is
type String_Ptr is limited private;
-- Convert a string to a C string.
function To_String_Ptr (S : String) return String_Ptr;
-- Get the C string pointer.
function To_C (S : String_Ptr) return Interfaces.C.Strings.chars_ptr;
-- Set the string
procedure Set_String (S : in out String_Ptr;
Value : in String);
function To_chars_ptr is
new Ada.Unchecked_Conversion (System.Address, Interfaces.C.Strings.chars_ptr);
private
use Interfaces.C;
type String_Ptr is new Ada.Finalization.Limited_Controlled with record
Ptr : Strings.chars_ptr := Interfaces.C.Strings.Null_Ptr;
end record;
-- Reclaim the storage held by the C string.
procedure Finalize (S : in out String_Ptr);
end ADO.C;