* gcc.c (getenv_spec_function): New function.
[official-gcc.git] / gcc / ada / s-imglli.adb
blob5975b74458a80a27e1e2472d5be7598ce17c7b0e
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- S Y S T E M . I M G _ L L I --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 1992-2005 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 2, 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. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
21 -- --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
28 -- --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
31 -- --
32 ------------------------------------------------------------------------------
34 package body System.Img_LLI is
36 -----------------------------
37 -- Image_Long_Long_Integer --
38 -----------------------------
40 function Image_Long_Long_Integer (V : Long_Long_Integer) return String is
41 P : Natural;
42 S : String (1 .. Long_Long_Integer'Width);
44 begin
45 if V >= 0 then
46 P := 1;
47 S (P) := ' ';
48 else
49 P := 0;
50 end if;
52 Set_Image_Long_Long_Integer (V, S, P);
53 return S (1 .. P);
54 end Image_Long_Long_Integer;
56 ---------------------------------
57 -- Set_Image_Long_Long_Integer --
58 ---------------------------------
60 procedure Set_Image_Long_Long_Integer
61 (V : Long_Long_Integer;
62 S : out String;
63 P : in out Natural)
65 procedure Set_Digits (T : Long_Long_Integer);
66 -- Set digits of absolute value of T, which is zero or negative. We work
67 -- with the negative of the value so that the largest negative number is
68 -- not a special case.
70 procedure Set_Digits (T : Long_Long_Integer) is
71 begin
72 if T <= -10 then
73 Set_Digits (T / 10);
74 P := P + 1;
75 S (P) := Character'Val (48 - (T rem 10));
77 else
78 P := P + 1;
79 S (P) := Character'Val (48 - T);
80 end if;
81 end Set_Digits;
83 -- Start of processing for Set_Image_Long_Long_Integer
85 begin
86 if V >= 0 then
87 Set_Digits (-V);
89 else
90 P := P + 1;
91 S (P) := '-';
92 Set_Digits (V);
93 end if;
95 end Set_Image_Long_Long_Integer;
97 end System.Img_LLI;