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Diffstat (limited to 'REORG.TODO/misc/sys/sysmacros.h')
| -rw-r--r-- | REORG.TODO/misc/sys/sysmacros.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/REORG.TODO/misc/sys/sysmacros.h b/REORG.TODO/misc/sys/sysmacros.h new file mode 100644 index 0000000000..8cacc595e7 --- /dev/null +++ b/REORG.TODO/misc/sys/sysmacros.h @@ -0,0 +1,110 @@ +/* Definitions of macros to access `dev_t' values. + Copyright (C) 1996-2017 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_SYSMACROS_H_OUTER + +#ifndef __SYSMACROS_DEPRECATED_INCLUSION +# define _SYS_SYSMACROS_H_OUTER 1 +#endif + +/* If <sys/sysmacros.h> is included after <sys/types.h>, these macros + will already be defined, and we need to redefine them without the + deprecation warnings. (If they are included in the opposite order, + the outer #ifndef will suppress this entire file and the macros + will be usable without warnings.) */ +#undef major +#undef minor +#undef makedev + +/* This is the macro that must be defined to satisfy the misuse check + in bits/sysmacros.h. */ +#ifndef _SYS_SYSMACROS_H +#define _SYS_SYSMACROS_H 1 + +#include <features.h> +#include <bits/types.h> +#include <bits/sysmacros.h> + +/* Caution: The text of this deprecation message is unquoted, so that + #symbol can be substituted. (It is converted to a string by + __SYSMACROS_DM1.) This means the message must be a sequence of + complete pp-tokens; in particular, English contractions (it's, + can't) cannot be used. + + The message has been manually word-wrapped to fit in 80 columns + when output by GCC 5 and 6. The first line is shorter to leave + some room for the "foo.c:23: warning:" annotation. */ +#define __SYSMACROS_DM(symbol) __SYSMACROS_DM1 \ + (In the GNU C Library, #symbol is defined\n\ + by <sys/sysmacros.h>. For historical compatibility, it is\n\ + currently defined by <sys/types.h> as well, but we plan to\n\ + remove this soon. To use #symbol, include <sys/sysmacros.h>\n\ + directly. If you did not intend to use a system-defined macro\n\ + #symbol, you should undefine it after including <sys/types.h>.) + +/* This macro is variadic because the deprecation message above + contains commas. */ +#define __SYSMACROS_DM1(...) __glibc_macro_warning (#__VA_ARGS__) + +#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 + +#endif /* _SYS_SYSMACROS_H */ + +#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 + +#ifdef __SYSMACROS_DEPRECATED_INCLUSION +# define major(dev) __SYSMACROS_DM (major) gnu_dev_major (dev) +# define minor(dev) __SYSMACROS_DM (minor) gnu_dev_minor (dev) +# define makedev(maj, min) __SYSMACROS_DM (makedev) gnu_dev_makedev (maj, min) +#else +# define major(dev) gnu_dev_major (dev) +# define minor(dev) gnu_dev_minor (dev) +# define makedev(maj, min) gnu_dev_makedev (maj, min) +#endif + +#endif /* sys/sysmacros.h */ |