Adjust variable scope (ARMmbed#121)

Move ancillary_databuffer away from sub-block so that compiler does not optimize the code away.
artokin · Mar 26, 2019 · 086e7ba · 086e7ba
1 parent 227cc3d
commit 086e7ba
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/source/coap_connection_handler.c b/source/coap_connection_handler.c
@@ -408,8 +408,9 @@ static int send_to_real_socket(int8_t socket_id, const ns_address_t *address, co
  .msg_iovlen = 1
  };
 
+ uint8_t ancillary_databuffer[NS_CMSG_SPACE(sizeof(ns_in6_pktinfo_t))];
+
  if (memcmp(source_address, ns_in6addr_any, 16)) {
- uint8_t ancillary_databuffer[NS_CMSG_SPACE(sizeof(ns_in6_pktinfo_t))];
  ns_cmsghdr_t *cmsg;
  ns_in6_pktinfo_t *pktinfo;