From 1c01e9423719c96866c82cb395388409db0bba35 Mon Sep 17 00:00:00 2001 From: Chris Robinson Date: Wed, 7 May 2014 02:28:25 -0700 Subject: Move the static_assert definition to its own header --- include/atomic.h | 2 ++ include/static_assert.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) create mode 100644 include/static_assert.h (limited to 'include') diff --git a/include/atomic.h b/include/atomic.h index 3b5ec24d..3915dfd5 100644 --- a/include/atomic.h +++ b/include/atomic.h @@ -1,6 +1,8 @@ #ifndef AL_ATOMIC_H #define AL_ATOMIC_H +#include "static_assert.h" + typedef void *volatile XchgPtr; diff --git a/include/static_assert.h b/include/static_assert.h new file mode 100644 index 00000000..65283cf0 --- /dev/null +++ b/include/static_assert.h @@ -0,0 +1,17 @@ +#ifndef AL_STATIC_ASSERT_H +#define AL_STATIC_ASSERT_H + +#include + + +#ifndef static_assert +#ifdef HAVE_C11_STATIC_ASSERT +#define static_assert _Static_assert +#else +#define CTASTR2(_pre,_post) _pre##_post +#define CTASTR(_pre,_post) CTASTR2(_pre,_post) +#define static_assert(_cond, _msg) typedef struct { int CTASTR(static_assert_failed_at_line_,__LINE__) : !!(_cond); } CTASTR(static_assertion_,__COUNTER__) +#endif +#endif + +#endif /* AL_STATIC_ASSERT_H */ -- cgit v1.2.3