2001-10-02 09:55:47 -04:00
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUNTIME COMPONENTS --
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-- --
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-- 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 --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1996-2001 Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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2002-10-23 03:33:35 -04:00
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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2001-10-02 09:55:47 -04:00
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-- --
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------------------------------------------------------------------------------
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package Ada.Command_Line.Environment is
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function Environment_Count return Natural;
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-- If the external execution environment supports passing the environment
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-- to a program, then Environment_Count returns the number of environment
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-- variables in the environment of the program invoking the function.
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-- Otherwise it returns 0. And that's a lot of environment.
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function Environment_Value (Number : in Positive) return String;
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-- If the external execution environment supports passing the environment
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-- to a program, then Environment_Value returns an implementation-defined
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-- value corresponding to the value at relative position Number. If Number
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-- is outside the range 1 .. Environment_Count, then Constraint_Error is
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-- propagated.
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--
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-- in GNAT: Corresponds to envp [n-1] (for n > 0) in C.
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end Ada.Command_Line.Environment;
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