/usr/share/ada/adainclude/gtkada/glib-values.adb is in libgtkada2.24.4-dev 2.24.4dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- GtkAda - Ada95 binding for Gtk+/Gnome --
-- --
-- Copyright (C) 2001-2013, AdaCore --
-- --
-- This library 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 of the License, 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 --
-- 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 this library; if not, write to the --
-- Free Software Foundation, Inc., 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-----------------------------------------------------------------------
with Interfaces.C.Strings; use Interfaces.C.Strings;
package body Glib.Values is
----------
-- Free --
----------
procedure Free (Val : in out GValues) is
procedure Internal (Value_Array : System.Address);
pragma Import (C, Internal, "g_value_array_free");
begin
Internal (Val.Arr);
Val := (Nb => 0, Arr => System.Null_Address);
end Free;
-----------------
-- Get_Boolean --
-----------------
function Get_Boolean (Value : GValue) return Boolean is
function Internal (Value : GValue) return Gboolean;
pragma Import (C, Internal, "g_value_get_boolean");
begin
return Boolean'Val (Internal (Value));
end Get_Boolean;
----------------
-- Get_Object --
----------------
function Get_Object (Value : GValue) return Glib.Object.GObject is
function Internal (Value : GValue) return System.Address;
pragma Import (C, Internal, "g_value_get_object");
begin
return Glib.Object.Convert (Internal (Value));
end Get_Object;
----------------
-- Get_String --
----------------
function Get_String (Value : GValue) return String is
function Internal (Value : GValue) return chars_ptr;
pragma Import (C, Internal, "g_value_get_string");
C : constant chars_ptr := Internal (Value);
begin
if C = Null_Ptr then
return "";
else
return Interfaces.C.Strings.Value (C);
end if;
end Get_String;
----------------
-- Get_String --
----------------
function Get_String (Value : GValue; Length : Gint) return String is
function Internal (Value : GValue) return chars_ptr;
pragma Import (C, Internal, "g_value_get_string");
C : constant chars_ptr := Internal (Value);
begin
if C = Null_Ptr then
return "";
else
return Interfaces.C.Strings.Value
(C, Interfaces.C.size_t (Length));
end if;
end Get_String;
-----------------
-- Make_Values --
-----------------
function Make_Values (Nb : Guint) return GValues is
function Internal (N_Prealloced : Guint) return System.Address;
pragma Import (C, Internal, "g_value_array_new");
begin
return (Nb => Nb, Arr => Internal (Nb));
end Make_Values;
function Make_Values (Nb : Guint; Val : System.Address) return GValues is
begin
return (Nb => Nb, Arr => Val);
end Make_Values;
---------
-- Nth --
---------
function Nth (Val : GValues; Num : Guint) return GValue is
procedure Internal
(Val : System.Address; Num : Guint; V : in out GValue);
pragma Import (C, Internal, "ada_gvalue_nth");
V : GValue;
begin
-- Should this be greater or greater or equal ???
if Num > Val.Nb then
raise Constraint_Error;
end if;
Internal (Val.Arr, Num, V);
return V;
end Nth;
-----------------
-- Set_Boolean --
-----------------
procedure Set_Boolean (Value : in out GValue; V_Boolean : Boolean) is
procedure Internal (Value : GValue; V_Boolean : Gboolean);
pragma Import (C, Internal, "g_value_set_boolean");
begin
Internal (Value, Boolean'Pos (V_Boolean));
end Set_Boolean;
----------------
-- Set_Object --
----------------
procedure Set_Object (Value : in out GValue; To : Glib.Object.GObject) is
procedure Internal
(Value : in out Glib.Values.GValue;
To : System.Address);
pragma Import (C, Internal, "g_value_set_object");
begin
Internal (Value, Glib.Object.Convert (To));
end Set_Object;
----------------
-- Set_String --
----------------
procedure Set_String (Value : in out GValue; V_String : String) is
procedure Internal (Value : in out GValue; V_String : String);
pragma Import (C, Internal, "g_value_set_string");
begin
Internal (Value, V_String & ASCII.NUL);
end Set_String;
----------
-- Init --
----------
procedure Init (Value : in out GValue; G_Type : Glib.GType) is
procedure Internal (Value : in out GValue; G_Type : Glib.GType);
pragma Import (C, Internal, "g_value_init");
begin
Value := (g_type => 0, data => (others => 0));
Internal (Value, G_Type);
end Init;
function C_Gvalue_Size return Natural;
pragma Import (C, C_Gvalue_Size, "ada_c_gvalue_size");
begin
if GValue'Size /= C_Gvalue_Size * 8 then
raise Program_Error;
end if;
end Glib.Values;
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