| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S Y S T E M . C O M M U N I C A T I O N -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2001-2009, AdaCore -- |
| -- -- |
| -- 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 System.Communication is |
| |
| subtype SEO is Ada.Streams.Stream_Element_Offset; |
| |
| ---------------- |
| -- Last_Index -- |
| ---------------- |
| |
| function Last_Index |
| (First : Ada.Streams.Stream_Element_Offset; |
| Count : CRTL.size_t) return Ada.Streams.Stream_Element_Offset |
| is |
| use type Ada.Streams.Stream_Element_Offset; |
| use type System.CRTL.size_t; |
| begin |
| if First = SEO'First and then Count = 0 then |
| raise Constraint_Error with |
| "last index out of range (no element transferred)"; |
| else |
| return First + SEO (Count) - 1; |
| end if; |
| end Last_Index; |
| |
| end System.Communication; |
