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include/ruby/backward/2/stdarg.h: add doxygen

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Must not be a bad idea to improve documents. [ci skip]
This commit is contained in:
卜部昌平 2021-06-07 13:33:08 +09:00
parent 5453031fd4
commit 8a469f1c25
Notes: git 2021-09-10 20:01:17 +09:00
1 changed files with 22 additions and 0 deletions
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22
include/ruby/backward/2/stdarg.h
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@ -25,6 +25,10 @@
*/
#undef _
/**
* @deprecated Nobody practically needs this macro any longer.
* @brief This was a transition path from K&R to ANSI.
*/
#ifdef HAVE_PROTOTYPES
# define _(args) args
#else
@ -32,12 +36,30 @@
#endif
#undef __
/**
* @deprecated Nobody practically needs this macro any longer.
* @brief This was a transition path from K&R to ANSI.
*/
#ifdef HAVE_STDARG_PROTOTYPES
# define __(args) args
#else
# define __(args) ()
#endif
/**
* Functions declared using this macro take arbitrary arguments, including
* void.
*
* ```CXX
* void func(ANYARGS);
* ```
*
* This was a necessary evil when there was no such thing like function
* overloading. But it is the 21st century today. People generally need not
* use this. Just use a granular typed function.
*
* @see ruby::backward::cxxanyargs
*/
#ifdef __cplusplus
#define ANYARGS ...
#else