1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . C O M M A N D _ L I N E . E N V I R O N M E N T --
11 -- Copyright (C) 1996-2001 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNAT was originally developed by the GNAT team at New York University. --
32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
34 ------------------------------------------------------------------------------
36 package Ada
.Command_Line
.Environment
is
38 function Environment_Count
return Natural;
39 -- If the external execution environment supports passing the environment
40 -- to a program, then Environment_Count returns the number of environment
41 -- variables in the environment of the program invoking the function.
42 -- Otherwise it returns 0. And that's a lot of environment.
44 function Environment_Value
(Number
: in Positive) return String;
45 -- If the external execution environment supports passing the environment
46 -- to a program, then Environment_Value returns an implementation-defined
47 -- value corresponding to the value at relative position Number. If Number
48 -- is outside the range 1 .. Environment_Count, then Constraint_Error is
51 -- in GNAT: Corresponds to envp [n-1] (for n > 0) in C.
53 end Ada
.Command_Line
.Environment
;