- svec_init(&svec);
- for (i = 0; i < n; i++) {
- if (!key && !strncmp(keys[i], prefix, prefix_len)) {
- svec_add_nocopy(&svec, xasprintf("%s=%s",
- keys[i] + prefix_len, values[i]));
- } else if (key && key_matches(keys[i], prefix, prefix_len, key)) {
- svec_add(&svec, values[i]);
- break;
+ if (value) {
+ ds_put_format(output, "%s\n", value);
+ }
+ free(prefix_key);
+ } else {
+ const struct smap_node **sorted = smap_sort(smap);
+ size_t prefix_len = strlen(prefix);
+ size_t i;
+
+ for (i = 0; i < smap_count(smap); i++) {
+ const struct smap_node *node = sorted[i];
+ if (!strncmp(node->key, prefix, prefix_len)) {
+ ds_put_format(output, "%s=%s\n", node->key + prefix_len,
+ node->value);
+ }