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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- ADA.STRINGS.TEXT_BUFFERS.FILES --
-- --
-- B o d y --
-- --
-- Copyright (C) 2020-2023, 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;
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