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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . S T R I N G S . W I D E _ U N B O U N D E D . A U X -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2009, 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 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- 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.Wide_Unbounded provides some specialized -- access functions which are intended to allow more efficient use of the -- facilities of Ada.Strings.Wide_Unbounded, particularly by other layered -- utilities. package Ada.Strings.Wide_Unbounded.Aux is pragma Preelaborate; procedure Get_Wide_String (U : Unbounded_Wide_String; S : out Wide_String_Access; L : out Natural); pragma Inline (Get_Wide_String); -- This procedure returns the internal string pointer used in the -- representation of an unbounded string as well as the actual current -- length (which may be less than S.all'Length because in general there -- can be extra space assigned). The characters of this string may be -- not be modified via the returned pointer, and are valid only as -- long as the original unbounded string is not accessed or modified. -- -- This procedure is much more efficient than the use of To_Wide_String -- since it avoids the need to copy the string. The lower bound of the -- referenced string returned by this call is always one, so the actual -- string data is always accessible as S (1 .. L). procedure Set_Wide_String (UP : in out Unbounded_Wide_String; S : Wide_String); pragma Inline (Set_Wide_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_Wide_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_Wide_String (UP : in out Unbounded_Wide_String; S : Wide_String_Access); pragma Inline (Set_Wide_String); -- This version of Set_Wide_String takes a string access value, rather -- than string. The lower bound of the string value is required to be one, -- and this requirement is not checked. end Ada.Strings.Wide_Unbounded.Aux;