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Diffstat (limited to 'c/src/lib/libbsp/i386/ts_386ex/tools/network_ada/adasockets/sockets-utils.adb')
| -rw-r--r-- | c/src/lib/libbsp/i386/ts_386ex/tools/network_ada/adasockets/sockets-utils.adb | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/ts_386ex/tools/network_ada/adasockets/sockets-utils.adb b/c/src/lib/libbsp/i386/ts_386ex/tools/network_ada/adasockets/sockets-utils.adb new file mode 100644 index 0000000000..7c8417dcd4 --- /dev/null +++ b/c/src/lib/libbsp/i386/ts_386ex/tools/network_ada/adasockets/sockets-utils.adb @@ -0,0 +1,84 @@ +----------------------------------------------------------------------------- +-- -- +-- ADASOCKETS COMPONENTS -- +-- -- +-- S O C K E T S . U T I L S -- +-- -- +-- B o d y -- +-- -- +-- $ReleaseVersion: 0.1.3 $ -- +-- -- +-- Copyright (C) 1998 École Nationale Supérieure des Télécommunications -- +-- -- +-- AdaSockets is free software; you can redistribute it and/or modify -- +-- it under terms of the GNU General Public License as published by -- +-- the Free Software Foundation; either version 2, or (at your option) -- +-- any later version. AdaSockets is distributed in the hope that it -- +-- will be useful, but WITHOUT 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 AdaSockets; see file COPYING. If not, write to the Free -- +-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- +-- 02111-1307, 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. -- +-- -- +-- The main repository for this software is located at: -- +-- http://www-inf.enst.fr/ANC/ -- +-- -- +----------------------------------------------------------------------------- + +with Ada.Exceptions; use Ada.Exceptions; +with GNAT.OS_Lib; use GNAT.OS_Lib; +with System; use System; + +package body Sockets.Utils is + + use Interfaces.C; + + --------------------- + -- Port_To_Network -- + --------------------- + + function Port_To_Network (Port : unsigned_short) + return unsigned_short + is + begin + if Default_Bit_Order = High_Order_First then + return Port; + else + return (Port / 256) + (Port mod 256) * 256; + end if; + end Port_To_Network; + + ------------------------ + -- Raise_With_Message -- + ------------------------ + + procedure Raise_With_Message (Message : in String; + With_Errno : in Boolean := True) + is + begin + if With_Errno then + Raise_Exception (Constraint_Error'Identity, + Message & " (errno is" & Integer'Image (Errno) & + ")"); + else + Raise_Exception (Constraint_Error'Identity, Message); + end if; + + -- The following line works around a bug in GNAT that does not + -- recognize Ada.Exceptions.Raise_Exception as raising an exception, + -- even if it can compute statically that the occurrence cannot + -- be Null_Occurrence ??? + + raise Program_Error; + end Raise_With_Message; + +end Sockets.Utils; |