1 files changed, 5 insertions, 16 deletions
diff --git a/src/grt/grt-readline.ads b/src/grt/grt-readline.ads
index 1a3083981..6d4903e02 100644
--- a/src/grt/grt-readline.ads
+++ b/src/grt/grt-readline.ads
@@ -2,29 +2,18 @@
 --  it (for easier reuse).
 
 with System; use System;
+with Grt.Types; use Grt.Types;
 
 package Grt.Readline is
-   subtype Fat_String is String (Positive);
-   type Char_Ptr is access Fat_String;
-   pragma Convention (C, Char_Ptr);
-   --  A C string (which is NUL terminated) is represented as a (thin) access
-   --  to a fat string (a string whose range is 1 .. integer'Last).
-   --  The use of an access to a constrained array allows a representation
-   --  compatible with C.  Indexing of object of that type is safe only for
-   --  indexes until the NUL character.
-
-   function Readline (Prompt : Char_Ptr) return Char_Ptr;
-   function Readline (Prompt : Address) return Char_Ptr;
+   function Readline (Prompt : Ghdl_C_String) return Ghdl_C_String;
+   function Readline (Prompt : Address) return Ghdl_C_String;
    pragma Import (C, Readline);
 
-   procedure Free (Buf : Char_Ptr);
+   procedure Free (Buf : Ghdl_C_String);
    pragma Import (C, Free);
 
-   procedure Add_History (Line : Char_Ptr);
+   procedure Add_History (Line : Ghdl_C_String);
    pragma Import (C, Add_History);
 
-   function Strlen (Str : Char_Ptr) return Natural;
-   pragma Import (C, Strlen);
-
    pragma Linker_Options ("-lreadline");
 end Grt.Readline;