Add parentheses to NM_BIG_BUF macro

The NM_BIG_BUF macro expands without parentheses, which can cause
incorrect evaluation due to operator precedence when used in
expressions.

diff --git a/lib/isc/netmgr/netmgr-int.h b/lib/isc/netmgr/netmgr-int.h
index 28aedd765415ca49c97d4294a4e4b3d5915e48f1..bd4d6fbaecfa60bed7505c58ecd711aa3dae270b 100644 (file)
--- a/lib/isc/netmgr/netmgr-int.h
+++ b/lib/isc/netmgr/netmgr-int.h
@@ -102,7 +102,7 @@ STATIC_ASSERT(ISC_NETMGR_TCP_RECVBUF_SIZE <= ISC_NETMGR_RECVBUF_SIZE,
  * most in TCPDNS or TLSDNS connections, so there's no risk of overrun
  * when using a buffer this size.
  */
-#define NM_BIG_BUF ISC_NETMGR_TCP_RECVBUF_SIZE * 2
+#define NM_BIG_BUF (ISC_NETMGR_TCP_RECVBUF_SIZE * 2)
 
 /*%
  * Maximum segment size (MSS) of TCP socket on which the server responds to