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| author | Roland McGrath <roland@gnu.org> | 2015-10-18 10:33:37 +0000 |
|---|---|---|
| committer | Iain Sandoe <iains@gcc.gnu.org> | 2015-10-18 10:33:37 +0000 |
| commit | efd40fc4161967fa7e0503f12162c8b28c85d632 (patch) | |
| tree | 5fc208bc3baf41e825404c97445ff45b58f1f042 /include/environ.h | |
| parent | 37341412a50d7389802039e1890df3dca717b9db (diff) | |
| download | gcc-efd40fc4161967fa7e0503f12162c8b28c85d632.zip gcc-efd40fc4161967fa7e0503f12162c8b28c85d632.tar.gz gcc-efd40fc4161967fa7e0503f12162c8b28c85d632.tar.bz2 | |
Fix PR63758 by using the _NSGetEnviron() API on Darwin
include/
Roland McGrath <roland@gnu.org>
PR other/63758
* environ.h: New file.
libiberty/
Roland McGrath <roland@gnu.org>
Iain Sandoe <iain@codesourcery.com>
PR other/63758
* pex-unix.c: Obtain the environment interface from settings in environ.h
rather than in-line code. Update copyright date.
* setenv.c: Likewise.
* xmalloc.c: Likewise.
Co-Authored-By: Iain Sandoe <iain@codesourcery.com>
From-SVN: r228942
Diffstat (limited to 'include/environ.h')
| -rw-r--r-- | include/environ.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/environ.h b/include/environ.h new file mode 100644 index 0000000..c18902b --- /dev/null +++ b/include/environ.h @@ -0,0 +1,33 @@ +/* Declare the environ system variable. + Copyright (C) 2015 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 +extern char **environ; +# endif +# define HAVE_ENVIRON_DECL +#endif |