From d4e26c1d59f7e69bd71c92b93c033e197a38a782 Mon Sep 17 00:00:00 2001 From: Mikhail Osipov Date: Thu, 6 Feb 2020 14:06:18 +0300 Subject: init --- defer.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 defer.h (limited to 'defer.h') diff --git a/defer.h b/defer.h new file mode 100644 index 0000000..91e45a2 --- /dev/null +++ b/defer.h @@ -0,0 +1,20 @@ +#ifndef __DEFER_H__ +#define __DEFER_H__ + +#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 -- cgit v1.2.3-70-g09d2