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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . D I R E C T O R I E S . V A L I D I T Y --
-- --
-- B o d y --
-- (POSIX Version) --
-- --
-- Copyright (C) 2004 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 is the POSIX version of this package
package body Ada.Directories.Validity is
---------------------------------
-- Is_Path_Name_Case_Sensitive --
---------------------------------
function Is_Path_Name_Case_Sensitive return Boolean is
begin
return True;
end Is_Path_Name_Case_Sensitive;
------------------------
-- Is_Valid_Path_Name --
------------------------
function Is_Valid_Path_Name (Name : String) return Boolean is
begin
-- A path name cannot be empty and cannot contain any NUL character
if Name'Length = 0 then
return False;
else
for J in Name'Range loop
if Name (J) = ASCII.NUL then
return False;
end if;
end loop;
end if;
-- If Name does not contain any NUL character, it is valid
return True;
end Is_Valid_Path_Name;
--------------------------
-- Is_Valid_Simple_Name --
--------------------------
function Is_Valid_Simple_Name (Name : String) return Boolean is
begin
-- A file name cannot be empty and cannot contain a slash ('/') or
-- the NUL character.
if Name'Length = 0 then
return False;
else
for J in Name'Range loop
if Name (J) = '/' or else Name (J) = ASCII.NUL then
return False;
end if;
end loop;
end if;
-- If Name does not contain any slash or NUL, it is valid
return True;
end Is_Valid_Simple_Name;
end Ada.Directories.Validity;
|
