111
|
1 ------------------------------------------------------------------------------
|
|
2 -- --
|
|
3 -- GNAT RUN-TIME LIBRARY COMPONENTS --
|
|
4 -- --
|
|
5 -- S Y S T E M . C O M P A R E _ A R R A Y _ S I G N E D _ 6 4 --
|
|
6 -- --
|
|
7 -- S p e c --
|
|
8 -- --
|
131
|
9 -- Copyright (C) 2002-2018, Free Software Foundation, Inc. --
|
111
|
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
|
|
32 -- This package contains functions for runtime comparisons on arrays whose
|
|
33 -- elements are 64-bit discrete type values to be treated as signed.
|
|
34
|
|
35 package System.Compare_Array_Signed_64 is
|
|
36
|
|
37 -- Note: although the functions in this package are in a sense Pure, the
|
|
38 -- package cannot be declared as Pure, since the arguments are addresses,
|
|
39 -- not the data, and the result is not pure wrt the address values.
|
|
40
|
|
41 function Compare_Array_S64
|
|
42 (Left : System.Address;
|
|
43 Right : System.Address;
|
|
44 Left_Len : Natural;
|
|
45 Right_Len : Natural) return Integer;
|
|
46 -- Compare the array starting at address Left of length Left_Len
|
|
47 -- with the array starting at address Right of length Right_Len.
|
|
48 -- The comparison is in the normal Ada semantic sense of array
|
|
49 -- comparison. The result is -1,0,+1 for Left<Right, Left=Right,
|
|
50 -- Left>Right respectively.
|
|
51
|
|
52 end System.Compare_Array_Signed_64;
|