| 1 | ----------------------------------------------------------------------------- |
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| 2 | -- -- |
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| 3 | -- ADASOCKETS COMPONENTS -- |
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| 4 | -- -- |
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| 5 | -- S O C K E T S . U T I L S -- |
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| 6 | -- -- |
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| 7 | -- B o d y -- |
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| 8 | -- -- |
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| 9 | -- $ReleaseVersion: 0.1.3 $ -- |
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| 10 | -- -- |
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| 11 | -- Copyright (C) 1998 Ãcole Nationale Supérieure des Télécommunications -- |
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| 12 | -- -- |
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| 13 | -- AdaSockets is free software; you can redistribute it and/or modify -- |
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| 14 | -- it under terms of the GNU General Public License as published by -- |
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| 15 | -- the Free Software Foundation; either version 2, or (at your option) -- |
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| 16 | -- any later version. AdaSockets is distributed in the hope that it -- |
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| 17 | -- will be useful, but WITHOUT ANY WARRANTY; without even the implied -- |
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| 18 | -- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -- |
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| 19 | -- See the GNU General Public License for more details. You should -- |
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| 20 | -- have received a copy of the GNU General Public License distributed -- |
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| 21 | -- with AdaSockets; see file COPYING. If not, write to the Free -- |
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| 22 | -- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- |
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| 23 | -- 02111-1307, USA. -- |
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| 24 | -- -- |
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| 25 | -- As a special exception, if other files instantiate generics from -- |
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| 26 | -- this unit, or you link this unit with other files to produce an -- |
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| 27 | -- executable, this unit does not by itself cause the resulting -- |
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| 28 | -- executable to be covered by the GNU General Public License. This -- |
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| 29 | -- exception does not however invalidate any other reasons why the -- |
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| 30 | -- executable file might be covered by the GNU Public License. -- |
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| 31 | -- -- |
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| 32 | -- The main repository for this software is located at: -- |
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| 33 | -- http://www-inf.enst.fr/ANC/ -- |
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| 34 | -- -- |
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| 35 | ----------------------------------------------------------------------------- |
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| 36 | |
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| 37 | with Ada.Exceptions; use Ada.Exceptions; |
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| 38 | with GNAT.OS_Lib; use GNAT.OS_Lib; |
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| 39 | with System; use System; |
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| 40 | |
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| 41 | package body Sockets.Utils is |
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| 42 | |
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| 43 | use Interfaces.C; |
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| 44 | |
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| 45 | --------------------- |
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| 46 | -- Port_To_Network -- |
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| 47 | --------------------- |
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| 48 | |
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| 49 | function Port_To_Network (Port : unsigned_short) |
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| 50 | return unsigned_short |
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| 51 | is |
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| 52 | begin |
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| 53 | if Default_Bit_Order = High_Order_First then |
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| 54 | return Port; |
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| 55 | else |
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| 56 | return (Port / 256) + (Port mod 256) * 256; |
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| 57 | end if; |
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| 58 | end Port_To_Network; |
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| 59 | |
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| 60 | ------------------------ |
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| 61 | -- Raise_With_Message -- |
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| 62 | ------------------------ |
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| 63 | |
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| 64 | procedure Raise_With_Message (Message : in String; |
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| 65 | With_Errno : in Boolean := True) |
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| 66 | is |
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| 67 | begin |
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| 68 | if With_Errno then |
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| 69 | Raise_Exception (Constraint_Error'Identity, |
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| 70 | Message & " (errno is" & Integer'Image (Errno) & |
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| 71 | ")"); |
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| 72 | else |
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| 73 | Raise_Exception (Constraint_Error'Identity, Message); |
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| 74 | end if; |
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| 75 | |
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| 76 | -- The following line works around a bug in GNAT that does not |
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| 77 | -- recognize Ada.Exceptions.Raise_Exception as raising an exception, |
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| 78 | -- even if it can compute statically that the occurrence cannot |
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| 79 | -- be Null_Occurrence ??? |
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| 80 | |
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| 81 | raise Program_Error; |
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| 82 | end Raise_With_Message; |
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| 83 | |
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| 84 | end Sockets.Utils; |
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