| 1 | /* Definitions of macros to access `dev_t' values. |
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| 2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef _SYS_SYSMACROS_H |
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| 20 | #define _SYS_SYSMACROS_H 1 |
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| 21 | |
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| 22 | #include <features.h> |
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| 23 | #include <bits/types.h> |
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| 24 | #include <bits/sysmacros.h> |
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| 25 | |
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| 26 | #define __SYSMACROS_DECL_TEMPL(rtype, name, proto) \ |
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| 27 | extern rtype gnu_dev_##name proto __THROW __attribute_const__; |
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| 28 | |
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| 29 | #define __SYSMACROS_IMPL_TEMPL(rtype, name, proto) \ |
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| 30 | __extension__ __extern_inline __attribute_const__ rtype \ |
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| 31 | __NTH (gnu_dev_##name proto) |
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| 32 | |
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| 33 | __BEGIN_DECLS |
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| 34 | |
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| 35 | __SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL) |
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| 36 | __SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL) |
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| 37 | __SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL) |
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| 38 | |
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| 39 | #ifdef __USE_EXTERN_INLINES |
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| 40 | |
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| 41 | __SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL) |
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| 42 | __SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL) |
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| 43 | __SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL) |
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| 44 | |
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| 45 | #endif |
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| 46 | |
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| 47 | __END_DECLS |
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| 48 | |
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| 49 | #ifndef __SYSMACROS_NEED_IMPLEMENTATION |
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| 50 | # undef __SYSMACROS_DECL_TEMPL |
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| 51 | # undef __SYSMACROS_IMPL_TEMPL |
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| 52 | # undef __SYSMACROS_DECLARE_MAJOR |
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| 53 | # undef __SYSMACROS_DECLARE_MINOR |
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| 54 | # undef __SYSMACROS_DECLARE_MAKEDEV |
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| 55 | # undef __SYSMACROS_DEFINE_MAJOR |
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| 56 | # undef __SYSMACROS_DEFINE_MINOR |
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| 57 | # undef __SYSMACROS_DEFINE_MAKEDEV |
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| 58 | #endif |
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| 59 | |
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| 60 | #define major(dev) gnu_dev_major (dev) |
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| 61 | #define minor(dev) gnu_dev_minor (dev) |
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| 62 | #define makedev(maj, min) gnu_dev_makedev (maj, min) |
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| 63 | |
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| 64 | #endif /* sys/sysmacros.h */ |
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| 65 | |
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