File : s-conca4.adb
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
4 -- --
5 -- S Y S T E M . C O N C A T _ 4 --
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 with System.Concat_3;
35
36 package body System.Concat_4 is
37
38 pragma Suppress (All_Checks);
39
40 ------------------
41 -- Str_Concat_4 --
42 ------------------
43
44 procedure Str_Concat_4 (R : out String; S1, S2, S3, S4 : String) is
45 F, L : Natural;
46
47 begin
48 F := R'First;
49 L := F + S1'Length - 1;
50 R (F .. L) := S1;
51
52 F := L + 1;
53 L := F + S2'Length - 1;
54 R (F .. L) := S2;
55
56 F := L + 1;
57 L := F + S3'Length - 1;
58 R (F .. L) := S3;
59
60 F := L + 1;
61 L := R'Last;
62 R (F .. L) := S4;
63 end Str_Concat_4;
64
65 -------------------------
66 -- Str_Concat_Bounds_4 --
67 -------------------------
68
69 procedure Str_Concat_Bounds_4
70 (Lo, Hi : out Natural;
71 S1, S2, S3, S4 : String)
72 is
73 begin
74 System.Concat_3.Str_Concat_Bounds_3 (Lo, Hi, S2, S3, S4);
75
76 if S1 /= "" then
77 Hi := S1'Last + Hi - Lo + 1;
78 Lo := S1'First;
79 end if;
80 end Str_Concat_Bounds_4;
81
82 end System.Concat_4;