rm_/lib/se-label.in.h
2022-07-28 14:16:50 +08:00

71 lines
2.3 KiB
C

/* Replacement <selinux/label.h> for platforms that lack it.
Copyright 2020-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
#ifndef SELINUX_LABEL_H
#define SELINUX_LABEL_H
#include <selinux/selinux.h>
#include <errno.h>
#ifndef _GL_INLINE_HEADER_BEGIN
#error "Please include config.h first."
#endif
_GL_INLINE_HEADER_BEGIN
#ifndef SE_LABEL_INLINE
# define SE_LABEL_INLINE _GL_INLINE
#endif
/* _GL_ATTRIBUTE_MAYBE_UNUSED declares that it is not a programming mistake if
the entity is not used. The compiler should not warn if the entity is not
used. */
#ifndef _GL_ATTRIBUTE_MAYBE_UNUSED
# if 0 /* no GCC or clang version supports this yet */
# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]]
# elif defined __GNUC__ || defined __clang__
# define _GL_ATTRIBUTE_MAYBE_UNUSED __attribute__ ((__unused__))
# else
# define _GL_ATTRIBUTE_MAYBE_UNUSED
# endif
#endif
#define SELABEL_CTX_FILE 0
struct selabel_handle;
SE_LABEL_INLINE int
selabel_lookup (_GL_ATTRIBUTE_MAYBE_UNUSED struct selabel_handle *hnd,
_GL_ATTRIBUTE_MAYBE_UNUSED char **context,
_GL_ATTRIBUTE_MAYBE_UNUSED char const *key,
_GL_ATTRIBUTE_MAYBE_UNUSED int type)
{ errno = ENOTSUP; return -1; }
SE_LABEL_INLINE struct selabel_handle *
selabel_open (_GL_ATTRIBUTE_MAYBE_UNUSED int backend,
_GL_ATTRIBUTE_MAYBE_UNUSED struct selinux_opt *options,
_GL_ATTRIBUTE_MAYBE_UNUSED unsigned nopt)
{ errno = ENOTSUP; return 0; }
SE_LABEL_INLINE void
selabel_close (_GL_ATTRIBUTE_MAYBE_UNUSED struct selabel_handle *hnd)
{ errno = ENOTSUP; }
_GL_INLINE_HEADER_END
#endif