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- ------------------------------------------------------------------------------
- -- --
- -- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS --
- -- --
- -- S Y S T E M . S T R I N G _ O P S --
- -- --
- -- B o d y --
- -- --
- -- $Revision: 1.5 $ --
- -- --
- -- Copyright (C) 1992,1993,1994 Free Software Foundation, Inc. --
- -- --
- -- GNAT is free software; you can redistribute it and/or modify it under --
- -- terms of the GNU General Public License as published by the Free Soft- --
- -- ware Foundation; either version 2, or (at your option) any later ver- --
- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
- -- OUT 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 distributed with GNAT; see file COPYING. If not, write --
- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
- -- MA 02111-1307, USA. --
- -- --
- -- As a special exception, if other files instantiate generics from this --
- -- unit, or you link this unit with other files to produce an executable, --
- -- this unit does not by itself cause the resulting executable to be --
- -- covered by the GNU General Public License. This exception does not --
- -- however invalidate any other reasons why the executable file might be --
- -- covered by the GNU Public License. --
- -- --
- -- GNAT was originally developed by the GNAT team at New York University. --
- -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
- -- --
- ------------------------------------------------------------------------------
-
- package body System.String_Ops is
-
- ----------------
- -- Str_Concat --
- ----------------
-
- function Str_Concat (X, Y : String) return String is
- begin
- if X'Length <= 0 then
- return Y;
-
- else
- declare
- L : constant Natural := X'Length + Y'Length;
- R : String (X'First .. X'First + L - 1);
-
- begin
- R (X'Range) := X;
- R (X'First + X'Length .. R'Last) := Y;
- return R;
- end;
- end if;
- end Str_Concat;
-
- ---------------
- -- Str_Equal --
- ---------------
-
- function Str_Equal (A, B : String) return Boolean is
- begin
- if A'Length /= B'Length then
- return False;
-
- else
- for J in A'Range loop
- if A (J) /= B (J + (B'First - A'First)) then
- return False;
- end if;
- end loop;
-
- return True;
- end if;
- end Str_Equal;
-
- end System.String_Ops;
-