36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
/* Declare the environ system variable.
|
|
Copyright (C) 2015-2020 Free Software Foundation, Inc.
|
|
|
|
This file is part of the libiberty library.
|
|
Libiberty is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
Libiberty is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with libiberty; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
/* On OSX, the environ variable can be used directly in the code of an
|
|
executable, but cannot be used in the code of a shared library (such as
|
|
GCC's liblto_plugin, which links in libiberty code). Instead, the
|
|
function _NSGetEnviron can be called to get the address of environ. */
|
|
|
|
#ifndef HAVE_ENVIRON_DECL
|
|
# ifdef __APPLE__
|
|
# include <crt_externs.h>
|
|
# define environ (*_NSGetEnviron ())
|
|
# else
|
|
# ifndef environ
|
|
extern char **environ;
|
|
# endif
|
|
# endif
|
|
# define HAVE_ENVIRON_DECL
|
|
#endif
|