From: Pawel Wodkowski <pawelx.wodkow...@intel.com>
This change use statements in expressions C extension provided by gcc to avoid
'value computed is not used' warning/error when size is not known at compile
time.
Comments on possible side effects are welcome an tests are welcome.
Reported-by: Qiu, Michael <michael.qiu at intel.com>
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski at intel.com>
---
.../common/include/arch/x86/rte_memcpy.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
index 290c5cd..c3e8b81 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
@@ -169,9 +169,9 @@ rte_mov256(uint8_t *dst, const uint8_t *src)
}
#define rte_memcpy(dst, src, n) \
- ((__builtin_constant_p(n)) ? \
+ ({ (__builtin_constant_p(n)) ? \
memcpy((dst), (src), (n)) : \
- rte_memcpy_func((dst), (src), (n)))
+ rte_memcpy_func((dst), (src), (n)); })
static inline void *
rte_memcpy_func(void *dst, const void *src, size_t n)
--
1.7.9.5
