mirror of
https://gitlab.com/apparmor/apparmor
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b973c9b473
The macros __BEGIN_DECLS and __END_DECLS are not conforming to
any standard, but are a custom extension of the glibc library. As
such, it may not be available in other libc implementations, with
one example being musl libc. So compiling libapparmor won't work
with a strictly standards-conforming library.
These macros are typically used for header files which might be
included in a C++ project. Depending on whether the header is
seen by a C or C++ compiler, it will hint that functions have C
linkage. The macros themselves are rather simple:
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS
# define __END_DECLS
#endif
To fix compilation with musl libc, simply expand those macros to
explicitly use `extern "C"`. This is already used in other parts
of apparmor and should thus be safe to use.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* Copyright 2014 Canonical Ltd.
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*
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* The libapparmor library is licensed under the terms of the GNU
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* Lesser General Public License, version 2.1. Please see the file
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* COPYING.LGPL.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SYS_APPARMOR_PRIVATE_H
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#define _SYS_APPARMOR_PRIVATE_H 1
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#include <stdio.h>
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#include <sys/stat.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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int _aa_is_blacklisted(const char *name);
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void _aa_autofree(void *p);
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void _aa_autoclose(int *fd);
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void _aa_autofclose(FILE **f);
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int _aa_asprintf(char **strp, const char *fmt, ...);
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int _aa_dirat_for_each(int dirfd, const char *name, void *data,
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int (* cb)(int, const char *, struct stat *, void *));
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#ifdef __cplusplus
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}
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#endif
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#endif /* sys/apparmor_private.h */
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