sysmacros.h 2.6 KB

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  1. //
  2. // Copyright 2026 Aarav Ravindra Kharade
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. //
  8. // http://www.apache.org/licenses/LICENSE-2.0
  9. //
  10. // Unless required by applicable law or agreed to in writing, software
  11. // distributed under the License is distributed on an "AS IS" BASIS,
  12. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. // See the License for the specific language governing permissions and
  14. // limitations under the License.
  15. //
  16. /* Definitions of macros to access `dev_t' values.
  17. Copyright (C) 1996-2026 Free Software Foundation, Inc.
  18. This file is part of the GNU C Library.
  19. The GNU C Library is free software; you can redistribute it and/or
  20. modify it under the terms of the GNU Lesser General Public
  21. License as published by the Free Software Foundation; either
  22. version 2.1 of the License, or (at your option) any later version.
  23. The GNU C Library is distributed in the hope that it will be useful,
  24. but WITHOUT ANY WARRANTY; without even the implied warranty of
  25. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  26. Lesser General Public License for more details.
  27. You should have received a copy of the GNU Lesser General Public
  28. License along with the GNU C Library; if not, see
  29. <https://www.gnu.org/licenses/>. */
  30. #ifndef _SYS_SYSMACROS_H
  31. #define _SYS_SYSMACROS_H 1
  32. #include <features.h>
  33. #include <bits/types.h>
  34. #include <bits/sysmacros.h>
  35. #define __SYSMACROS_DECL_TEMPL(rtype, name, proto) \
  36. extern rtype gnu_dev_##name proto __THROW __attribute_const__;
  37. #define __SYSMACROS_IMPL_TEMPL(rtype, name, proto) \
  38. __extension__ __extern_inline __attribute_const__ rtype \
  39. __NTH (gnu_dev_##name proto)
  40. __BEGIN_DECLS
  41. __SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL)
  42. __SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL)
  43. __SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL)
  44. #ifdef __USE_EXTERN_INLINES
  45. __SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL)
  46. __SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL)
  47. __SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL)
  48. #endif
  49. __END_DECLS
  50. #ifndef __SYSMACROS_NEED_IMPLEMENTATION
  51. # undef __SYSMACROS_DECL_TEMPL
  52. # undef __SYSMACROS_IMPL_TEMPL
  53. # undef __SYSMACROS_DECLARE_MAJOR
  54. # undef __SYSMACROS_DECLARE_MINOR
  55. # undef __SYSMACROS_DECLARE_MAKEDEV
  56. # undef __SYSMACROS_DEFINE_MAJOR
  57. # undef __SYSMACROS_DEFINE_MINOR
  58. # undef __SYSMACROS_DEFINE_MAKEDEV
  59. #endif
  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)
  63. #endif /* sys/sysmacros.h */