diff options
Diffstat (limited to 'include/ruby/internal/arithmetic/uid_t.h')
| -rw-r--r-- | include/ruby/internal/arithmetic/uid_t.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/ruby/internal/arithmetic/uid_t.h b/include/ruby/internal/arithmetic/uid_t.h new file mode 100644 index 0000000000..12cde2a9c8 --- /dev/null +++ b/include/ruby/internal/arithmetic/uid_t.h @@ -0,0 +1,41 @@ +#ifndef RBIMPL_ARITHMETIC_UID_T_H /*-*-C++-*-vi:se ft=cpp:*/ +#define RBIMPL_ARITHMETIC_UID_T_H +/** + * @file + * @author Ruby developers <ruby-core@ruby-lang.org> + * @copyright This file is a part of the programming language Ruby. + * Permission is hereby granted, to either redistribute and/or + * modify this file, provided that the conditions mentioned in the + * file COPYING are met. Consult the file for details. + * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are + * implementation details. Don't take them as canon. They could + * rapidly appear then vanish. The name (path) of this header file + * is also an implementation detail. Do not expect it to persist + * at the place it is now. Developers are free to move it anywhere + * anytime at will. + * @note To ruby-core: remember that this header can be possibly + * recursively included from extension libraries written in C++. + * Do not expect for instance `__VA_ARGS__` is always available. + * We assume C99 for ruby itself but we don't assume languages of + * extension libraries. They could be written in C++98. + * @brief Arithmetic conversion between C's `uid_t` and Ruby's. + */ +#include "ruby/internal/config.h" +#include "ruby/internal/arithmetic/long.h" + +/** Converts a C's `uid_t` into an instance of ::rb_cInteger. */ +#ifndef UIDT2NUM +# define UIDT2NUM RB_LONG2NUM +#endif + +/** Converts an instance of ::rb_cNumeric into C's `uid_t`. */ +#ifndef NUM2UIDT +# define NUM2UIDT RB_NUM2LONG +#endif + +/** A rb_sprintf() format prefix to be used for a `uid_t` parameter. */ +#ifndef PRI_UIDT_PREFIX +# define PRI_UIDT_PREFIX PRI_LONG_PREFIX +#endif + +#endif /* RBIMPL_ARITHMETIC_UID_T_H */ |