Without an explicit type, all parameters of this macro are considered as
a signed integer.
../app/test/test_fib.c:270:20: runtime error: left shift of
128 by 24 places cannot be represented in type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
../app/test/test_fib.c:270:20 in
Signed-off-by: David Marchand <david.march...@redhat.com>
---
lib/net/rte_ip4.h | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/lib/net/rte_ip4.h b/lib/net/rte_ip4.h
index d4b38c513c..822a660cfb 100644
--- a/lib/net/rte_ip4.h
+++ b/lib/net/rte_ip4.h
@@ -65,10 +65,8 @@ struct __rte_aligned(2) __rte_packed_begin rte_ipv4_hdr {
} __rte_packed_end;
/** Create IPv4 address */
-#define RTE_IPV4(a, b, c, d) ((uint32_t)(((a) & 0xff) << 24) | \
- (((b) & 0xff) << 16) | \
- (((c) & 0xff) << 8) | \
- ((d) & 0xff))
+#define RTE_IPV4(a, b, c, d) (((uint32_t)((a) & 0xff) << 24) | ((uint32_t)((b)
& 0xff) << 16) | \
+ ((uint32_t)((c) & 0xff) << 8) | ((uint32_t)((d) & 0xff)))
/** Maximal IPv4 packet length (including a header) */
#define RTE_IPV4_MAX_PKT_LEN 65535
--
2.50.0
