------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . S T R I N G _ O P S _ C O N C A T _ 5 -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2019, 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 -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- NOTE: This package is obsolescent. It is no longer used by the compiler -- which now generates concatenation inline. It is retained only because -- it may be used during bootstrapping using old versions of the compiler. pragma Compiler_Unit_Warning; package body System.String_Ops_Concat_5 is ------------------ -- Str_Concat_5 -- ------------------ function Str_Concat_5 (S1, S2, S3, S4, S5 : String) return String is begin if S1'Length = 0 then return S2 & S3 & S4 & S5; else declare L12 : constant Natural := S1'Length + S2'Length; L13 : constant Natural := L12 + S3'Length; L14 : constant Natural := L13 + S4'Length; L15 : constant Natural := L14 + S5'Length; R : String (S1'First .. S1'First + L15 - 1); begin R (S1'First .. S1'Last) := S1; R (S1'Last + 1 .. S1'First + L12 - 1) := S2; R (S1'First + L12 .. S1'First + L13 - 1) := S3; R (S1'First + L13 .. S1'First + L14 - 1) := S4; R (S1'First + L14 .. R'Last) := S5; return R; end; end if; end Str_Concat_5; end System.String_Ops_Concat_5;