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author | 卜部昌平 <shyouhei@ruby-lang.org> | 2020-04-08 13:28:13 +0900 |
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committer | GitHub <noreply@github.com> | 2020-04-08 13:28:13 +0900 |
commit | 9e6e39c3512f7a962c44dc3729c98a0f8be90341 (patch) | |
tree | 901a22676d54d78240e450b64a8cd06eb1703910 /include/ruby/3/attr/format.h | |
parent | 5ac4bf2cd87e1eb5779ca5ae7f96a1a22e8436d9 (diff) | |
download | ruby-9e6e39c3512f7a962c44dc3729c98a0f8be90341.tar.gz |
Merge pull request #2991 from shyouhei/ruby.h
Split ruby.h
Diffstat (limited to 'include/ruby/3/attr/format.h')
-rw-r--r-- | include/ruby/3/attr/format.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/ruby/3/attr/format.h b/include/ruby/3/attr/format.h new file mode 100644 index 0000000000..b41094f221 --- /dev/null +++ b/include/ruby/3/attr/format.h @@ -0,0 +1,42 @@ +/** \noop-*-C++-*-vi:ft=cpp + * @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 `RUBY3` or `ruby3` 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 Defines #RUBY3_ATTR_FORMAT. + */ +#include "ruby/3/has/attribute.h" + +/** Wraps (or simulates) `__attribute__((format))` */ +#if defined(RUBY3_ATTR_FORMAT) +# /* Take that. */ + +#elif RUBY3_HAS_ATTRIBUTE(format) +# define RUBY3_ATTR_FORMAT(x, y, z) __attribute__((__format__(x, y, z))) + +#else +# define RUBY3_ATTR_FORMAT(x, y, z) /* void */ +#endif + +#if defined(RUBY3_PRINTF_FORMAT) +# /* Take that. */ + +#elif defined(__MINGW_PRINTF_FORMAT) +# define RUBY3_PRINTF_FORMAT __MINGW_PRINTF_FORMAT + +#else +# define RUBY3_PRINTF_FORMAT __printf__ +#endif |