X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=Ada95%2Fsrc%2Fterminal_interface-curses-forms-field_types-user-choice.adb;h=913cec0553f4aea737c3324a711c32ab6728ef5e;hp=8d2f6c4cd67a69037c25b7d8f802393c0e7e7a23;hb=47d2fb4537d9ad5bb14f4810561a327930ca4280;hpb=55ccd2b959766810cf7db8d1c4462f338ce0afc8

diff --git a/Ada95/src/terminal_interface-curses-forms-field_types-user-choice.adb b/Ada95/src/terminal_interface-curses-forms-field_types-user-choice.adb
index 8d2f6c4c..913cec05 100644
--- a/Ada95/src/terminal_interface-curses-forms-field_types-user-choice.adb
+++ b/Ada95/src/terminal_interface-curses-forms-field_types-user-choice.adb
@@ -7,7 +7,8 @@
 --                                 B O D Y                                  --
 --                                                                          --
 ------------------------------------------------------------------------------
--- Copyright (c) 1998,2004 Free Software Foundation, Inc.                   --
+-- Copyright 2020 Thomas E. Dickey                                          --
+-- Copyright 1999-2011,2014 Free Software Foundation, Inc.                  --
 --                                                                          --
 -- Permission is hereby granted, free of charge, to any person obtaining a  --
 -- copy of this software and associated documentation files (the            --
@@ -35,43 +36,40 @@
 ------------------------------------------------------------------------------
 --  Author:  Juergen Pfeifer, 1996
 --  Version Control:
---  $Revision: 1.13 $
---  $Date: 2004/08/21 21:37:00 $
+--  $Revision: 1.21 $
+--  $Date: 2020/02/02 23:34:34 $
 --  Binding Version 01.00
 ------------------------------------------------------------------------------
-with Ada.Unchecked_Conversion;
-with Interfaces.C;
+with System.Address_To_Access_Conversions;
 with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
 
 package body Terminal_Interface.Curses.Forms.Field_Types.User.Choice is
 
-   use type Interfaces.C.int;
-
-   function To_Argument_Access is new Ada.Unchecked_Conversion
-     (System.Address, Argument_Access);
+   package Argument_Conversions is
+      new System.Address_To_Access_Conversions (Argument);
 
    function Generic_Next (Fld : Field;
-                          Usr : System.Address) return C_Int
+                          Usr : System.Address) return Curses_Bool
    is
       Result : Boolean;
       Udf    : constant User_Defined_Field_Type_With_Choice_Access :=
         User_Defined_Field_Type_With_Choice_Access
-        (To_Argument_Access (Usr).Typ);
+        (Argument_Access (Argument_Conversions.To_Pointer (Usr)).all.Typ);
    begin
       Result := Next (Fld, Udf.all);
-      return C_Int (Boolean'Pos (Result));
+      return Curses_Bool (Boolean'Pos (Result));
    end Generic_Next;
 
    function Generic_Prev (Fld : Field;
-                          Usr : System.Address) return C_Int
+                          Usr : System.Address) return Curses_Bool
    is
       Result : Boolean;
       Udf    : constant User_Defined_Field_Type_With_Choice_Access :=
         User_Defined_Field_Type_With_Choice_Access
-        (To_Argument_Access (Usr).Typ);
+        (Argument_Access (Argument_Conversions.To_Pointer (Usr)).all.Typ);
    begin
       Result := Previous (Fld, Udf.all);
-      return C_Int (Boolean'Pos (Result));
+      return Curses_Bool (Boolean'Pos (Result));
    end Generic_Prev;
 
    --  -----------------------------------------------------------------------
@@ -91,16 +89,12 @@ package body Terminal_Interface.Curses.Forms.Field_Types.User.Choice is
                                       Make_Arg'Access,
                                       Copy_Arg'Access,
                                       Free_Arg'Access);
-            if Res /= E_Ok then
-               Eti_Exception (Res);
-            end if;
+            Eti_Exception (Res);
 
             Res := Set_Fieldtype_Choice (T,
                                          Generic_Next'Access,
                                          Generic_Prev'Access);
-            if Res /= E_Ok then
-               Eti_Exception (Res);
-            end if;
+            Eti_Exception (Res);
          end if;
          M_Generic_Choice := T;
       end if;