From: Heng Li <lh3@me.com>
Date: Sat, 29 Nov 2014 17:40:39 +0000 (-0500)
Subject: added deallocator
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=b165c1c906fa791dde8b429ee6b9568356279df9;p=klib.git

added deallocator
---

diff --git a/kson.c b/kson.c
index ddf9822..6596a18 100644
--- a/kson.c
+++ b/kson.c
@@ -94,6 +94,15 @@ kson_node_t *kson_parse(const char *json, int *_n, int *error, int *parsed_len)
 	return a;
 }
 
+void kson_destroy(int n_nodes, kson_node_t *nodes)
+{
+	int i;
+	for (i = 0; i < n_nodes; ++i) {
+		free(nodes[i].key); free(nodes[i].str);
+	}
+	free(nodes);
+}
+
 void kson_print_recur(kson_node_t *nodes, kson_node_t *p)
 {
 	if (p->key) {
diff --git a/kson.h b/kson.h
index 737c354..8cdace0 100644
--- a/kson.h
+++ b/kson.h
@@ -31,13 +31,15 @@ extern "C" {
 	 * Parse a JSON string
 	 *
 	 * @param json        JSON string
-	 * @param n           number of nodes
+	 * @param n_nodes     number of nodes
 	 * @param error       0 if no error; or set to one of KSON_ERR_* values
 	 * @param parsed_len  if not NULL, equal to the parsed length
 	 *
-	 * @return An array of size $n keeping parsed nodes
+	 * @return An array of size $n_nodes keeping parsed nodes
 	 */
-	kson_node_t *kson_parse(const char *json, int *n, int *error, int *parsed_len);
+	kson_node_t *kson_parse(const char *json, int *n_nodes, int *error, int *parsed_len);
+
+	void kson_destroy(int n_nodes, kson_node_t *nodes);
 
 	void kson_print_recur(kson_node_t *nodes, kson_node_t *root);