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macro: use C11 static_assert() macro for static assertions

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This commit is contained in:
Lennart Poettering 2012-12-25 11:52:14 +01:00
parent 31c15e20ce
commit f791c684a3
1 changed files with 14 additions and 7 deletions
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21
src/shared/macro.h
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@ -119,14 +119,21 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
log_assert_failed_unreachable(t, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
} while (false)
#define assert_cc(expr) \
do { \
switch (0) { \
case 0: \
case !!(expr): \
; \
} \
#if defined(static_assert)
#define assert_cc(expr) \
do { \
static_assert(expr, #expr); \
} while (false)
#else
#define assert_cc(expr) \
do { \
switch (0) { \
case 0: \
case !!(expr): \
; \
} \
} while (false)
#endif
#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
#define UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))