1------------------------------------------------------------------------------
2--                                                                          --
3--                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
4--                                                                          --
5--                      S Y S T E M . C O N C A T _ 2                       --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--            Copyright (C) 2008-2009, Free Software Foundation, Inc.       --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32pragma Compiler_Unit;
33
34package body System.Concat_2 is
35
36   pragma Suppress (All_Checks);
37
38   ------------------
39   -- Str_Concat_2 --
40   ------------------
41
42   procedure Str_Concat_2 (R : out String; S1, S2 : String) is
43      F, L : Natural;
44
45   begin
46      F := R'First;
47      L := F + S1'Length - 1;
48      R (F .. L) := S1;
49
50      F := L + 1;
51      L := R'Last;
52      R (F .. L) := S2;
53   end Str_Concat_2;
54
55   -------------------------
56   -- Str_Concat_Bounds_2 --
57   -------------------------
58
59   procedure Str_Concat_Bounds_2
60     (Lo, Hi : out Natural;
61      S1, S2 : String)
62   is
63   begin
64      if S1 = "" then
65         Lo := S2'First;
66         Hi := S2'Last;
67      else
68         Lo := S1'First;
69         Hi := S1'Last + S2'Length;
70      end if;
71   end Str_Concat_Bounds_2;
72
73end System.Concat_2;
74