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add pa_assert_cc() for compile time assertions

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This commit is contained in:
Lennart Poettering 2009-03-23 21:03:52 +01:00
parent a467bec423
commit 52dcb950ef
2 changed files with 15 additions and 1 deletions
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2
src/pulse/fork-detect.c
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@ -39,7 +39,7 @@ int pa_detect_fork(void) {
* however have to deal with this cleanly, so we try to detect the * however have to deal with this cleanly, so we try to detect the
* forks making sure all our calls fail cleanly after the fork. */ * forks making sure all our calls fail cleanly after the fork. */
pa_assert(sizeof(pa_atomic_t) >= sizeof(pid_t)); pa_assert_cc(sizeof(pa_atomic_t) >= sizeof(pid_t));
for (;;) { for (;;) {
pid_t stored_pid = (pid_t) pa_atomic_load(&pid); pid_t stored_pid = (pid_t) pa_atomic_load(&pid);

14
src/pulsecore/macro.h
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@ -193,11 +193,25 @@ typedef int pa_bool_t;
#define pa_assert_fp(expr) pa_assert_se(expr) #define pa_assert_fp(expr) pa_assert_se(expr)
#endif #endif
#ifdef NDEBUG
#define pa_assert_not_reached() pa_nop()
#else
#define pa_assert_not_reached() \ #define pa_assert_not_reached() \
do { \ do { \
pa_log_error("Code should not be reached at %s:%u, function %s(). Aborting.", __FILE__, __LINE__, PA_PRETTY_FUNCTION); \ pa_log_error("Code should not be reached at %s:%u, function %s(). Aborting.", __FILE__, __LINE__, PA_PRETTY_FUNCTION); \
abort(); \ abort(); \
} while (FALSE) } while (FALSE)
#endif
/* A compile time assertion */
#define pa_assert_cc(expr) \
do { \
switch (0) { \
case 0: \
case !!(expr): \
; \
} \
} while (FALSE)
#define PA_PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p))) #define PA_PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
#define PA_UINT_TO_PTR(u) ((void*) ((uintptr_t) (u))) #define PA_UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))