Fix format warn (#13)

* fix warning: format '%u' expects argument of type 'unsigned int *', but argument 3 has type 'uint16_t *

Change-Id: I3eccf8e2cd917f19b7a9edab233b327297d74bb7
Signed-off-by: Xiang Xiao <[email protected]>

* fix warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int'

Change-Id: Ic59a1e9e49256637fa73459c46b8cded036cf971
Signed-off-by: Xiang Xiao <[email protected]>

Author: xiaoxiang781216

netutils/ftpc/ftpc_transfer.c

@@ -139,7 +139,7 @@ static int ftp_cmd_epsv(FAR struct ftpc_session_s *session,
    * are supplied.
    */
 
-  nscan = sscanf(ptr, "|||%u|", &tmp);
+  nscan = sscanf(ptr, "|||%hu|", &tmp);
   if (nscan != 1)
     {
       nwarn("WARNING: Error parsing EPSV reply: '%s'\n", session->reply);

system/ping6/ping6.c

@@ -172,7 +172,7 @@ static void ping6_result(FAR const struct ping6_result_s *result)
       case ICMPv6_I_ROUNDTRIP:
         inet_ntop(AF_INET6, result->dest.s6_addr16, strbuffer,
                   INET6_ADDRSTRLEN);
-        printf("%ld bytes from %s icmp_seq=%u time=%u ms\n",
+        printf("%u bytes from %s icmp_seq=%u time=%u ms\n",
                result->info->datalen, strbuffer, result->seqno,
                result->extra);
         break;