1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- A D A . D I R E C T O R I E S . V A L I D I T Y -- 6-- -- 7-- B o d y -- 8-- (POSIX Version) -- 9-- -- 10-- Copyright (C) 2004-2010, Free Software Foundation, Inc. -- 11-- -- 12-- GNAT is free software; you can redistribute it and/or modify it under -- 13-- terms of the GNU General Public License as published by the Free Soft- -- 14-- ware Foundation; either version 3, or (at your option) any later ver- -- 15-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 16-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 17-- or FITNESS FOR A PARTICULAR PURPOSE. -- 18-- -- 19-- As a special exception under Section 7 of GPL version 3, you are granted -- 20-- additional permissions described in the GCC Runtime Library Exception, -- 21-- version 3.1, as published by the Free Software Foundation. -- 22-- -- 23-- You should have received a copy of the GNU General Public License and -- 24-- a copy of the GCC Runtime Library Exception along with this program; -- 25-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 26-- <http://www.gnu.org/licenses/>. -- 27-- -- 28-- GNAT was originally developed by the GNAT team at New York University. -- 29-- Extensive contributions were provided by Ada Core Technologies Inc. -- 30-- -- 31------------------------------------------------------------------------------ 32 33-- This is the POSIX version of this package 34 35package body Ada.Directories.Validity is 36 37 --------------------------------- 38 -- Is_Path_Name_Case_Sensitive -- 39 --------------------------------- 40 41 function Is_Path_Name_Case_Sensitive return Boolean is 42 begin 43 return True; 44 end Is_Path_Name_Case_Sensitive; 45 46 ------------------------ 47 -- Is_Valid_Path_Name -- 48 ------------------------ 49 50 function Is_Valid_Path_Name (Name : String) return Boolean is 51 begin 52 -- A path name cannot be empty and cannot contain any NUL character 53 54 if Name'Length = 0 then 55 return False; 56 57 else 58 for J in Name'Range loop 59 if Name (J) = ASCII.NUL then 60 return False; 61 end if; 62 end loop; 63 end if; 64 65 -- If Name does not contain any NUL character, it is valid 66 67 return True; 68 end Is_Valid_Path_Name; 69 70 -------------------------- 71 -- Is_Valid_Simple_Name -- 72 -------------------------- 73 74 function Is_Valid_Simple_Name (Name : String) return Boolean is 75 begin 76 -- A file name cannot be empty and cannot contain a slash ('/') or 77 -- the NUL character. 78 79 if Name'Length = 0 then 80 return False; 81 82 else 83 for J in Name'Range loop 84 if Name (J) = '/' or else Name (J) = ASCII.NUL then 85 return False; 86 end if; 87 end loop; 88 end if; 89 90 -- If Name does not contain any slash or NUL, it is valid 91 92 return True; 93 end Is_Valid_Simple_Name; 94 95 ------------- 96 -- OpenVMS -- 97 ------------- 98 99 function OpenVMS return Boolean is 100 begin 101 return False; 102 end OpenVMS; 103 104 ------------- 105 -- Windows -- 106 ------------- 107 108 function Windows return Boolean is 109 begin 110 return False; 111 end Windows; 112 113end Ada.Directories.Validity; 114