File : s-conca2.adb
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) 2008-2013, 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 -- --
19 -- --
20 -- --
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
32 pragma Compiler_Unit_Warning;
33
34 package 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
73 end System.Concat_2;