- meshlink_import(mesh[i], dataj);
- meshlink_import(mesh[j], datai);
+
+ if(!meshlink_import(mesh[i], dataj) || !meshlink_import(mesh[j], datai)) {
+ fprintf(stderr, "Could not exchange keys between %s and %s: %s\n", mesh[i]->name, mesh[j]->name, meshlink_strerror(meshlink_errno));
+ }
+