glibc/misc/sys/sysmacros.h

65 lines
2.1 KiB
C

/* Definitions of macros to access `dev_t' values.
Copyright (C) 1996-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_SYSMACROS_H
#define _SYS_SYSMACROS_H 1
#include <features.h>
#include <bits/types.h>
#include <bits/sysmacros.h>
#define __SYSMACROS_DECL_TEMPL(rtype, name, proto) \
extern rtype gnu_dev_##name proto __THROW __attribute_const__;
#define __SYSMACROS_IMPL_TEMPL(rtype, name, proto) \
__extension__ __extern_inline __attribute_const__ rtype \
__NTH (gnu_dev_##name proto)
__BEGIN_DECLS
__SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL)
__SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL)
__SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL)
#ifdef __USE_EXTERN_INLINES
__SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL)
__SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL)
__SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL)
#endif
__END_DECLS
#ifndef __SYSMACROS_NEED_IMPLEMENTATION
# undef __SYSMACROS_DECL_TEMPL
# undef __SYSMACROS_IMPL_TEMPL
# undef __SYSMACROS_DECLARE_MAJOR
# undef __SYSMACROS_DECLARE_MINOR
# undef __SYSMACROS_DECLARE_MAKEDEV
# undef __SYSMACROS_DEFINE_MAJOR
# undef __SYSMACROS_DEFINE_MINOR
# undef __SYSMACROS_DEFINE_MAKEDEV
#endif
#define major(dev) gnu_dev_major (dev)
#define minor(dev) gnu_dev_minor (dev)
#define makedev(maj, min) gnu_dev_makedev (maj, min)
#endif /* sys/sysmacros.h */