git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| d23b8f57 RK |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3084fecd | 3 | -- GNAT RUN-TIME COMPONENTS -- |
| d23b8f57 RK |
4 | -- -- |
| 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 -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| 4dfba737 | 9 | -- Copyright (C) 1996-2018, Free Software Foundation, Inc. -- |
| d23b8f57 RK |
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- -- | |
| 748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| d23b8f57 RK |
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 -- | |
| 748086b7 JJ |
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/>. -- | |
| d23b8f57 RK |
26 | -- -- |
| 27 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 71ff80dc | 28 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| d23b8f57 RK |
29 | -- -- |
| 30 | ------------------------------------------------------------------------------ | |
| 31 | ||
| fbf5a39b AC |
32 | -- Note: Services offered by this package are guaranteed to be platform |
| 33 | -- independent as long as no call to GNAT.OS_Lib.Setenv or to C putenv | |
| 34 | -- routine is done. On some platforms the services below will report new | |
| 35 | -- environment variables (e.g. Windows) on some others it will not | |
| 36 | -- (e.g. GNU/Linux and Solaris). | |
| 37 | ||
| d23b8f57 RK |
38 | package Ada.Command_Line.Environment is |
| 39 | ||
| 40 | function Environment_Count return Natural; | |
| 41 | -- If the external execution environment supports passing the environment | |
| 42 | -- to a program, then Environment_Count returns the number of environment | |
| 43 | -- variables in the environment of the program invoking the function. | |
| 44 | -- Otherwise it returns 0. And that's a lot of environment. | |
| 45 | ||
| 0ae9f22f | 46 | function Environment_Value (Number : Positive) return String; |
| d23b8f57 RK |
47 | -- If the external execution environment supports passing the environment |
| 48 | -- to a program, then Environment_Value returns an implementation-defined | |
| 49 | -- value corresponding to the value at relative position Number. If Number | |
| 50 | -- is outside the range 1 .. Environment_Count, then Constraint_Error is | |
| 51 | -- propagated. | |
| 52 | -- | |
| 53 | -- in GNAT: Corresponds to envp [n-1] (for n > 0) in C. | |
| 54 | ||
| 55 | end Ada.Command_Line.Environment; |