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Diffstat (limited to 'gcc-4.2.1/gcc/ada/a-dirval.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/a-dirval.adb | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/a-dirval.adb b/gcc-4.2.1/gcc/ada/a-dirval.adb new file mode 100644 index 000000000..d4395e1d1 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/a-dirval.adb @@ -0,0 +1,106 @@ +------------------------------------------------------------------------------ +-- -- +-- 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) 2004-2005, 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, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, 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; + + ------------- + -- OpenVMS -- + ------------- + + function OpenVMS return Boolean is + begin + return False; + end OpenVMS; + +end Ada.Directories.Validity; |