+ if(!mesh->confbase) {
+ return true;
+ }
+
+ char path[PATH_MAX];
+ char tmp_path[PATH_MAX + 4];
+ make_main_path(mesh, conf_subdir, path, sizeof(path));
+ snprintf(tmp_path, sizeof(tmp_path), "%s.tmp", path);
+
+ FILE *f = fopen(tmp_path, "w");
+
+ if(!f) {
+ logger(mesh, MESHLINK_ERROR, "Failed to open `%s': %s", tmp_path, strerror(errno));
+ meshlink_errno = MESHLINK_ESTORAGE;
+ return false;
+ }
+
+ if(!config_write_file(mesh, f, config, key)) {
+ logger(mesh, MESHLINK_ERROR, "Failed to write `%s': %s", tmp_path, strerror(errno));
+ fclose(f);
+ return false;
+ }
+
+ if(rename(tmp_path, path)) {
+ logger(mesh, MESHLINK_ERROR, "Failed to rename `%s' to `%s': %s", tmp_path, path, strerror(errno));
+ meshlink_errno = MESHLINK_ESTORAGE;
+ fclose(f);
+ return false;
+ }
+
+ if(fclose(f)) {
+ logger(mesh, MESHLINK_ERROR, "Failed to close `%s': %s", tmp_path, strerror(errno));
+ meshlink_errno = MESHLINK_ESTORAGE;
+ return false;
+ }
+
+ return true;