the macro PA_USED may be used to suppress a warning when a variable
is not used, or assigned and never used; this typically happens
when the only use of the variable is within an assert() that can
be optimized away (i.e. with NDEBUG set)
has an effect with GCC only
Signed-off-by: Peter Meerwald <pmeerw at pmeerw.net>
---
src/pulsecore/macro.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h
index e36b6ce..21c3e6c 100644
--- a/src/pulsecore/macro.h
+++ b/src/pulsecore/macro.h
@@ -77,6 +77,12 @@ static inline size_t PA_PAGE_ALIGN(size_t l) {
return (l + PA_PAGE_SIZE - 1) & ~(PA_PAGE_SIZE - 1);
}
+#if defined(__GNUC__)
+ #define PA_UNUSED __attribute__ ((unused))
+#else
+ #define PA_UNUSED
+#endif
+
#define PA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
#if defined(__GNUC__)
--
1.9.1
