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authorLennart Poettering <lennart@poettering.net>2009-03-23 21:03:52 +0100
committerLennart Poettering <lennart@poettering.net>2009-03-23 21:03:52 +0100
commit52dcb950efead46a398da977bc28e560f8564b62 (patch)
treeb83ab69c75bb7e6323b66722ce4db662f6dae255
parenta467bec42352c8e86cbc4c680a19a376405946ba (diff)
add pa_assert_cc() for compile time assertions
-rw-r--r--src/pulse/fork-detect.c2
-rw-r--r--src/pulsecore/macro.h14
2 files changed, 15 insertions, 1 deletions
diff --git a/src/pulse/fork-detect.c b/src/pulse/fork-detect.c
index f10fc029..a4e0dd16 100644
--- a/src/pulse/fork-detect.c
+++ b/src/pulse/fork-detect.c
@@ -39,7 +39,7 @@ int pa_detect_fork(void) {
* however have to deal with this cleanly, so we try to detect the
* 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 (;;) {
pid_t stored_pid = (pid_t) pa_atomic_load(&pid);
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h
index 309f1a0d..a5ca6964 100644
--- a/src/pulsecore/macro.h
+++ b/src/pulsecore/macro.h
@@ -193,11 +193,25 @@ typedef int pa_bool_t;
#define pa_assert_fp(expr) pa_assert_se(expr)
#endif
+#ifdef NDEBUG
+#define pa_assert_not_reached() pa_nop()
+#else
#define pa_assert_not_reached() \
do { \
pa_log_error("Code should not be reached at %s:%u, function %s(). Aborting.", __FILE__, __LINE__, PA_PRETTY_FUNCTION); \
abort(); \
} 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_UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))