| /* Definitions of macros to access `dev_t' values. |
| Copyright (C) 1996-2021 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 */ |
