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Merge pull request #9279 from ZetaR60/RIOT_c99_static_assert

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core/assert: provide static_assert for c99
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Francisco Acosta 2018-06-03 19:50:04 +02:00 committed by GitHub
commit 5e5773c631
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1 changed files with 5 additions and 2 deletions
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7
core/include/assert.h
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@ -114,9 +114,12 @@ NORETURN void _assert_failure(const char *file, unsigned line);
#define static_assert(...) _Static_assert(__VA_ARGS__)
#else
/**
* @brief static_assert dummy for c-version < c11
* @brief static_assert for c-version < c11
*
* Generates a division by zero compile error when cond is false
*/
#define static_assert(...) struct static_assert_dummy
#define static_assert(cond, ...) \
enum { static_assert_failed_on_div_by_0 = 1 / (!!(cond)) }
#endif
#endif