gcc/ada/libgnat/a-stream.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                           A D A . S T R E A M S                          --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --             Copyright (C) 2013-2019, Free Software Foundation, Inc.      --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
  15 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  16 -- terms of the  GNU General Public License as published  by the Free Soft- --
  17 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  18 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  19 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  20 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  21 --                                                                          --
  22 -- As a special exception under Section 7 of GPL version 3, you are granted --
  23 -- additional permissions described in the GCC Runtime Library Exception,   --
  24 -- version 3.1, as published by the Free Software Foundation.               --
  25 --                                                                          --
  26 -- You should have received a copy of the GNU General Public License and    --
  27 -- a copy of the GCC Runtime Library Exception along with this program;     --
  28 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  29 -- <http://www.gnu.org/licenses/>.                                          --
  30 --                                                                          --
  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 with Ada.IO_Exceptions;
  37
  38 package body Ada.Streams is
  39
  40    --------------
  41    -- Read_SEA --
  42    --------------
  43
  44    procedure Read_SEA
  45      (S : access Root_Stream_Type'Class;
  46       V : out Stream_Element_Array)
  47    is
  48       Last : Stream_Element_Offset;
  49
  50    begin
  51       Read (S.all, V, Last);
  52
  53       if Last /= V'Last then
  54          raise Ada.IO_Exceptions.End_Error;
  55       end if;
  56    end Read_SEA;
  57
  58    ---------------
  59    -- Write_SEA --
  60    ---------------
  61
  62    procedure Write_SEA
  63      (S : access Root_Stream_Type'Class;
  64       V : Stream_Element_Array)
  65    is
  66    begin
  67       Write (S.all, V);
  68    end Write_SEA;
  69
  70 end Ada.Streams;