src/dyn_tables.adb


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--  Efficient expandable one dimensional array.
--  Copyright (C) 2015 - 2016 Tristan Gingold
--
--  GHDL is free software; you can redistribute it and/or modify it under
--  the terms of the GNU General Public License as published by the Free
--  Software Foundation; either version 2, or (at your option) any later
--  version.
--
--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
--  for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with GHDL; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.

with Interfaces.C; use Interfaces.C;
with System;

package body Dyn_Tables is
   --  Size of an element in storage units (bytes).
   El_Size : constant size_t :=
     size_t (Table_Type'Component_Size / System.Storage_Unit);

   --  Expand the table by doubling its size.  The table must have been
   --  initialized.
   procedure Expand (T : in out Instance; Num : Unsigned)
   is
      --  For efficiency, directly call realloc.
      function Crealloc (Ptr : Table_Thin_Ptr; Size : size_t)