fix warnings

connection.cpp

@@ -562,7 +562,7 @@ int connection__message_handler(xmpp_conn_t *conn, xmpp_stanza_t *stanza, void *
                 {
                     int tags_count = weechat_hdata_integer(weechat_hdata_get("line_data"),
                                                            line_data, "tags_count");
-                    char str_tag[20] = {0};
+                    char str_tag[24] = {0};
                     for (int n_tag = 0; n_tag < tags_count; n_tag++)
                     {
                         snprintf(str_tag, sizeof(str_tag), "%d|tags_array", n_tag);

xmpp/xep-0045.inl

@@ -279,21 +279,21 @@ namespace xml {
 
                 using xmpp_stanzas = urn::ietf::params::xml::ns::xmpp_stanzas;
 
-                for (auto& child : node.get_children<xmpp_stanzas>("not-authorized"))
+                if (node.get_children<xmpp_stanzas>("not-authorized").size() > 0)
                     condition = not_authorized;
-                for (auto& child : node.get_children<xmpp_stanzas>("forbidden"))
+                if (node.get_children<xmpp_stanzas>("forbidden").size() > 0)
                     condition = forbidden;
-                for (auto& child : node.get_children<xmpp_stanzas>("item-not-found"))
+                if (node.get_children<xmpp_stanzas>("item-not-found").size() > 0)
                     condition = item_not_found;
-                for (auto& child : node.get_children<xmpp_stanzas>("not-allowed"))
+                if (node.get_children<xmpp_stanzas>("not-allowed").size() > 0)
                     condition = not_allowed;
-                for (auto& child : node.get_children<xmpp_stanzas>("not-acceptable"))
+                if (node.get_children<xmpp_stanzas>("not-acceptable").size() > 0)
                     condition = not_acceptable;
-                for (auto& child : node.get_children<xmpp_stanzas>("registration-required"))
+                if (node.get_children<xmpp_stanzas>("registration-required").size() > 0)
                     condition = registration_required;
-                for (auto& child : node.get_children<xmpp_stanzas>("conflict"))
+                if (node.get_children<xmpp_stanzas>("conflict").size() > 0)
                     condition = conflict;
-                for (auto& child : node.get_children<xmpp_stanzas>("service-unavailable"))
+                if (node.get_children<xmpp_stanzas>("service-unavailable").size() > 0)
                     condition = service_unavailable;
 
                 for (auto& child : node.get_children("text"))