------------------------------------------------------------------------------
-- PostgreSQL server extension modules binding --
-- --
-- Copyright (C) 2020, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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/>. --
-- --
------------------------------------------------------------------------------
-- Base subprograms to manipulate variable length data
with System.Storage_Elements;
package PGXS.Varlen is
type Varlen_A is private;
function Allocate
(Size : System.Storage_Elements.Storage_Count) return Varlen_A;
-- Allocates new object of given size
function Size
(Item : Varlen_A) return System.Storage_Elements.Storage_Count;
-- Returns size of the object
function Data (Item : Varlen_A) return System.Address
with Import, Convention => C, Link_Name => "__ada_VARDATA_ANY";
-- Returns pointer of the first storage element of the data
private
type Varlen_Record is null record
with Convention => C;
type Varlen_A is access all Varlen_Record;
end PGXS.Varlen;