+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- A D A . S T R I N G S . U N B O U N D E D . A U X --
--- --
--- S p e c --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1992-1998, 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. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This child package of Ada.Strings.Unbounded provides some specialized
--- access functions which are intended to allow more efficient use of the
--- facilities of Ada.Strings.Unbounded, particularly by other layered
--- utilities (such as GNAT.Patterns).
-
-package Ada.Strings.Unbounded.Aux is
-pragma Preelaborate (Aux);
-
- function Get_String (U : Unbounded_String) return String_Access;
- pragma Inline (Get_String);
- -- This function returns the internal string pointer used in the
- -- representation of an unbounded string. There is no copy involved,
- -- so the value obtained references the same string as the original
- -- unbounded string. The characters of this string may not be modified
- -- via the returned pointer, and are valid only as long as the original
- -- unbounded string is not modified. Violating either of these two
- -- rules results in erroneous execution.
- --
- -- This function is much more efficient than the use of To_String
- -- since it avoids the need to copy the string. The lower bound of the
- -- referenced string returned by this call is always one.
-
- procedure Set_String (UP : in out Unbounded_String; S : String);
- pragma Inline (Set_String);
- -- This function sets the string contents of the referenced unbounded
- -- string to the given string value. It is significantly more efficient
- -- than the use of To_Unbounded_String with an assignment, since it
- -- avoids the necessity of messing with finalization chains. The lower
- -- bound of the string S is not required to be one.
-
- procedure Set_String (UP : in out Unbounded_String; S : String_Access);
- pragma Inline (Set_String);
- -- This version of Set_String takes a string access value, rather than a
- -- string. The lower bound of the string value is required to be one, and
- -- this requirement is not checked.
-
-end Ada.Strings.Unbounded.Aux;
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