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63eb8df8 | 1 | /* Definitions of macros to access `dev_t' values. |
dff8da6b | 2 | Copyright (C) 1996-2024 Free Software Foundation, Inc. |
63eb8df8 ZW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
63eb8df8 ZW |
18 | |
19 | #ifndef _SYS_SYSMACROS_H | |
20 | #define _SYS_SYSMACROS_H 1 | |
21 | ||
22 | #include <features.h> | |
23 | #include <bits/types.h> | |
24 | #include <bits/sysmacros.h> | |
25 | ||
26 | #define __SYSMACROS_DECL_TEMPL(rtype, name, proto) \ | |
27 | extern rtype gnu_dev_##name proto __THROW __attribute_const__; | |
28 | ||
29 | #define __SYSMACROS_IMPL_TEMPL(rtype, name, proto) \ | |
30 | __extension__ __extern_inline __attribute_const__ rtype \ | |
31 | __NTH (gnu_dev_##name proto) | |
32 | ||
33 | __BEGIN_DECLS | |
34 | ||
35 | __SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL) | |
36 | __SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL) | |
37 | __SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL) | |
38 | ||
39 | #ifdef __USE_EXTERN_INLINES | |
40 | ||
41 | __SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL) | |
42 | __SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL) | |
43 | __SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL) | |
44 | ||
45 | #endif | |
46 | ||
47 | __END_DECLS | |
48 | ||
49 | #ifndef __SYSMACROS_NEED_IMPLEMENTATION | |
50 | # undef __SYSMACROS_DECL_TEMPL | |
51 | # undef __SYSMACROS_IMPL_TEMPL | |
52 | # undef __SYSMACROS_DECLARE_MAJOR | |
53 | # undef __SYSMACROS_DECLARE_MINOR | |
54 | # undef __SYSMACROS_DECLARE_MAKEDEV | |
55 | # undef __SYSMACROS_DEFINE_MAJOR | |
56 | # undef __SYSMACROS_DEFINE_MINOR | |
57 | # undef __SYSMACROS_DEFINE_MAKEDEV | |
58 | #endif | |
59 | ||
e16deca6 ZW |
60 | #define major(dev) gnu_dev_major (dev) |
61 | #define minor(dev) gnu_dev_minor (dev) | |
62 | #define makedev(maj, min) gnu_dev_makedev (maj, min) | |
63eb8df8 ZW |
63 | |
64 | #endif /* sys/sysmacros.h */ |