TAI_CONTINUE for C++

taihen.hpp

#ifndef _TAIHEN_HPP_
#define _TAIHEN_HPP_

#include <taihen.h>

template<typename type, typename... Args> type tai_continue(tai_hook_ref_t hook, Args... args) {
  struct _tai_hook_user *cur, *next;
  cur = (struct _tai_hook_user *)(hook);
  next = (struct _tai_hook_user *)cur->next;
  return (next == NULL) ?
    ((type(*)(Args... args))cur->old)(args...)
  :
    ((type(*)(Args... args))next->func)(args...)
  ;
}

#undef TAI_CONTINUE
#define TAI_CONTINUE(type, ...) tai_continue<type>(__VA_ARGS__)
#undef TAI_MAIN_MODULE
#define TAI_MAIN_MODULE ((const char*)(void *)0)

#endif // _TAIHEN_HPP_