1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . S T R I N G _ O P S _ C O N C A T _ 5 --
10 -- Copyright (C) 1992-1998, Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
33 ------------------------------------------------------------------------------
35 package body System
.String_Ops_Concat_5
is
41 function Str_Concat_5
(S1
, S2
, S3
, S4
, S5
: String) return String is
43 if S1
'Length <= 0 then
44 return S2
& S3
& S4
& S5
;
48 L12
: constant Natural := S1
'Length + S2
'Length;
49 L13
: constant Natural := L12
+ S3
'Length;
50 L14
: constant Natural := L13
+ S4
'Length;
51 L15
: constant Natural := L14
+ S5
'Length;
52 R
: String (S1
'First .. S1
'First + L15
- 1);
55 R
(S1
'First .. S1
'Last) := S1
;
56 R
(S1
'Last + 1 .. S1
'First + L12
- 1) := S2
;
57 R
(S1
'First + L12
.. S1
'First + L13
- 1) := S3
;
58 R
(S1
'First + L13
.. S1
'First + L14
- 1) := S4
;
59 R
(S1
'First + L14
.. R
'Last) := S5
;
65 end System
.String_Ops_Concat_5
;