| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- ADA.STRINGS.TEXT_BUFFERS.FILES -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2020-2021, 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| package body Ada.Strings.Text_Buffers.Files is |
| |
| procedure Put_UTF_8_Implementation |
| (Buffer : in out Root_Buffer_Type'Class; |
| Item : UTF_Encoding.UTF_8_String) is |
| Result : Integer; |
| begin |
| Result := OS.Write (File_Buffer (Buffer).FD, |
| Item (Item'First)'Address, |
| Item'Length); |
| if Result /= Item'Length then |
| raise Program_Error with OS.Errno_Message; |
| end if; |
| end Put_UTF_8_Implementation; |
| |
| function Create_From_FD |
| (FD : System.OS_Lib.File_Descriptor; |
| Close_Upon_Finalization : Boolean := True) return File_Buffer |
| is |
| use OS; |
| begin |
| if FD = Invalid_FD then |
| raise Program_Error with OS.Errno_Message; |
| end if; |
| return Result : File_Buffer do |
| Result.FD := FD; |
| Result.Close_Upon_Finalization := Close_Upon_Finalization; |
| end return; |
| end Create_From_FD; |
| |
| function Create_File (Name : String) return File_Buffer is |
| begin |
| return Create_From_FD (OS.Create_File (Name, Fmode => OS.Binary)); |
| end Create_File; |
| |
| procedure Finalize (Ref : in out Self_Ref) is |
| Success : Boolean; |
| use OS; |
| begin |
| if Ref.Self.FD /= OS.Invalid_FD |
| and then Ref.Self.Close_Upon_Finalization |
| then |
| Close (Ref.Self.FD, Success); |
| if not Success then |
| raise Program_Error with OS.Errno_Message; |
| end if; |
| end if; |
| Ref.Self.FD := OS.Invalid_FD; |
| end Finalize; |
| |
| end Ada.Strings.Text_Buffers.Files; |
