sonarcloud: clean up some minor codesmells

src/lib/ares_getaddrinfo.c

@@ -492,7 +492,7 @@ static void host_callback(void *arg, ares_status_t status, size_t timeouts,
 {
   struct host_query *hquery         = (struct host_query *)arg;
   ares_status_t      addinfostatus  = ARES_SUCCESS;
-  hquery->timeouts                 += (size_t)timeouts;
+  hquery->timeouts                 += timeouts;
   hquery->remaining--;
 
   if (status == ARES_SUCCESS) {
@@ -512,7 +512,7 @@ static void host_callback(void *arg, ares_status_t status, size_t timeouts,
       /* must make sure we don't do next_lookup() on destroy or cancel,
        * and return the appropriate status.  We won't return a partial
        * result in this case. */
-      end_hquery(hquery, (ares_status_t)status);
+      end_hquery(hquery, status);
     } else if (addinfostatus != ARES_SUCCESS && addinfostatus != ARES_ENODATA) {
       /* error in parsing result e.g. no memory */
       if (addinfostatus == ARES_EBADRESP && hquery->ai->nodes) {
@@ -531,9 +531,9 @@ static void host_callback(void *arg, ares_status_t status, size_t timeouts,
         hquery->nodata_cnt++;
       }
       next_lookup(hquery,
-                  hquery->nodata_cnt ? ARES_ENODATA : (ares_status_t)status);
+                  hquery->nodata_cnt ? ARES_ENODATA : status);
     } else {
-      end_hquery(hquery, (ares_status_t)status);
+      end_hquery(hquery, status);
     }
   }
 

src/lib/ares_gethostbyaddr.c

@@ -168,7 +168,7 @@ static void addr_callback(void *arg, ares_status_t status, size_t timeouts,
   struct hostent    *host;
   size_t             addrlen;
 
-  aquery->timeouts += (size_t)timeouts;
+  aquery->timeouts += timeouts;
   if (status == ARES_SUCCESS) {
     if (aquery->addr.family == AF_INET) {
       addrlen = sizeof(aquery->addr.addr.addr4);
@@ -179,9 +179,9 @@ static void addr_callback(void *arg, ares_status_t status, size_t timeouts,
       status  = ares_parse_ptr_reply_dnsrec(dnsrec, &aquery->addr.addr.addr6,
                                             (int)addrlen, AF_INET6, &host);
     }
-    end_aquery(aquery, (ares_status_t)status, host);
+    end_aquery(aquery, status, host);
   } else if (status == ARES_EDESTRUCTION || status == ARES_ECANCELLED) {
-    end_aquery(aquery, (ares_status_t)status, NULL);
+    end_aquery(aquery, status, NULL);
   } else {
     next_lookup(aquery);
   }

src/lib/ares_query.c

@@ -88,8 +88,8 @@ static ares_status_t ares_query_int(ares_channel_t *channel, const char *name,
   }
 
   status = ares_dns_record_create_query(&dnsrec, name,
-                                        (ares_dns_class_t)dnsclass,
-                                        (ares_dns_rec_type_t)type,
+                                        dnsclass,
+                                        type,
                                         0, flags,
                                         (size_t)(channel->flags & ARES_FLAG_EDNS)?channel->ednspsz : 0);
   if (status != ARES_SUCCESS) {

src/lib/ares_search.c

@@ -116,7 +116,7 @@ static void search_callback(void *arg, ares_status_t status, size_t timeouts,
   ares_status_t        mystatus;
   ares_bool_t          skip_cleanup = ARES_FALSE;
 
-  squery->timeouts += (size_t)timeouts;
+  squery->timeouts += timeouts;
 
   if (status != ARES_SUCCESS) {
     end_squery(squery, status, dnsrec);
@@ -287,7 +287,7 @@ done:
 }
 
 static ares_status_t ares_search_int(ares_channel_t *channel,
-                                     ares_dns_record_t *dnsrec,
+                                     const ares_dns_record_t *dnsrec,
                                      ares_callback_dnsrec callback, void *arg)
 {
   struct search_query *squery          = NULL;