diff options
Diffstat (limited to 'gcc/ada/libgnat/s-string.ads')
| -rw-r--r-- | gcc/ada/libgnat/s-string.ads | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/ada/libgnat/s-string.ads b/gcc/ada/libgnat/s-string.ads new file mode 100644 index 0000000..d6fff14 --- /dev/null +++ b/gcc/ada/libgnat/s-string.ads @@ -0,0 +1,63 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . S T R I N G S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1995-2017, 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. -- +-- -- +------------------------------------------------------------------------------ + +-- Common String access types and related subprograms + +-- Note: this package is in the System hierarchy so that it can be directly +-- be used by other predefined packages. User access to this package is via +-- a renaming of this package in GNAT.String (file g-string.ads). + +pragma Compiler_Unit_Warning; + +with Ada.Unchecked_Deallocation; + +package System.Strings is + pragma Preelaborate; + + type String_Access is access all String; + -- General purpose string access type. Note that the caller is + -- responsible for freeing allocated strings to avoid memory leaks. + + procedure Free is new Ada.Unchecked_Deallocation + (Object => String, Name => String_Access); + -- This procedure is provided for freeing allocated values of type + -- String_Access. + + type String_List is array (Positive range <>) of String_Access; + type String_List_Access is access all String_List; + -- General purpose array and pointer for list of string accesses + + procedure Free (Arg : in out String_List_Access); + -- Frees the given array and all strings that its elements reference, + -- and then sets the argument to null. Provided for freeing allocated + -- values of this type. + +end System.Strings; |