#ifndef __DEFER_H__
#define __DEFER_H__

/*
	highlight with vim:
	echo syn keyword cStatement defer >> ~/.vim/after/syntax/c.vim
*/

#ifndef __unused
#define __unused	__attribute__((unused))
#endif

#define __cleanup(f)	__attribute__((cleanup(f)))

#define CAT(a, b)	CAT_(a, b)
#define CAT_(a, b)	a ## b

#define UNIQ(name)	CAT(name, __LINE__)

#define defer						\
	auto void UNIQ(defer_func)(int *);		\
	int UNIQ(defer_var) __cleanup(UNIQ(defer_func));\
	void UNIQ(defer_func)(int *__arg __unused)

#endif