use helper in seq node

diff --git a/lib/ecoli_node_seq.c b/lib/ecoli_node_seq.c
index ae0bb60..fa49c03 100644 (file)
--- a/lib/ecoli_node_seq.c
+++ b/lib/ecoli_node_seq.c
@@ -18,6 +18,7 @@
 #include <ecoli_config.h>
 #include <ecoli_parse.h>
 #include <ecoli_complete.h>
+#include <ecoli_node_helper.h>
 #include <ecoli_node_str.h>
 #include <ecoli_node_option.h>
 #include <ecoli_node_or.h>
@@ -186,43 +187,25 @@ static int ec_node_seq_set_config(struct ec_node *gen_node,
                                const struct ec_config *config)
 {
        struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
-       const struct ec_config *children = NULL, *child;
        struct ec_node **table = NULL;
-       size_t n, i;
+       size_t i, len = 0;
 
-       children = ec_config_dict_get(config, "children");
-       if (children == NULL) {
-               errno = EINVAL;
-               goto fail;
-       }
-
-       n = 0;
-       TAILQ_FOREACH(child, &children->list, next)
-               n++;
-
-       table = ec_malloc(n * sizeof(*table));
+       table = ec_node_config_node_list_to_table(
+               ec_config_dict_get(config, "children"), &len);
        if (table == NULL)
                goto fail;
 
-       n = 0;
-       TAILQ_FOREACH(child, &children->list, next) {
-               table[n] = ec_node_clone(child->node);
-               n++;
-       }
-
        for (i = 0; i < node->len; i++)
                ec_node_free(node->table[i]);
        ec_free(node->table);
        node->table = table;
-       node->len = n;
+       node->len = len;
 
        return 0;
 
 fail:
-       if (table != NULL) {
-               for (i = 0; i < n; i++)
-                       ec_node_free(table[i]);
-       }
+       for (i = 0; i < len; i++)
+               ec_node_free(table[i]);
        ec_free(table);
        return -1;
 }