2 files changed, 43 insertions, 1 deletions

diff --git a/wrap-json.c b/wrap-json.c
index 27940be..0e0c31c 100644
--- a/wrap-json.c
+++ b/wrap-json.c
@@ -1031,7 +1031,7 @@ struct json_object *wrap_json_clone_deep(struct json_object *object)
  * Adds the items of the object 'added' to the object 'dest'.
  *
  * @param dest the object to complete this object is modified
- * @added the object containing fields to add
+ * @param added the object containing fields to add
  *
  * @return the destination object 'dest'
  *
@@ -1054,6 +1054,46 @@ struct json_object *wrap_json_object_add(struct json_object *dest, struct json_o
 }
 
 /**
+ * Insert content of the array 'added' at index 'idx' of 'dest' array.
+ *
+ * @param dest the array to complete, this array is modified
+ * @param added the array containing content to add
+ * @param idx the index where the 'added' array content will be inserted into
+ * 'dest' array. To insert 'added' array at the end of 'dest' array,
+ * you can set 'idx' to:
+ * - a negative value.
+ * - a valued bigger than 'dest' array length.
+ *
+ * @return the destination array 'dest'
+ *
+ * @example wrap_json_array_insert(["a","b",5],["X","Y",0.92], 1) -> ["a","X","Y",0.92,"b",5]
+ */
+struct json_object *wrap_json_array_insert_array(struct json_object *dest, struct json_object *added, int idx)
+{
+	int i, nd, na;
+	if (!json_object_is_type(dest, json_type_array) || !json_object_is_type(added, json_type_array))
+		return dest;
+	nd = (int) json_object_array_length(dest);
+	na = (int) json_object_array_length(added);
+	i = nd + na;
+	if (idx < 0 || idx > nd)
+		idx = nd;
+	while (i > idx + na) {
+		i--;
+		json_object_array_put_idx(dest,
+			i,
+			json_object_get(json_object_array_get_idx(dest, i - na)));
+	}
+	while (i > idx) {
+		i--;
+		json_object_array_put_idx(dest,
+			i,
+			json_object_get(json_object_array_get_idx(added, i - idx)));
+	}
+	return dest;
+}
+
+/**
  * Sort the 'array' and returns it. Sorting is done accordingly to the
  * order given by the function 'wrap_json_cmp'. If the paramater isn't
  * an array, nothing is done and the parameter is returned unchanged.
diff --git a/wrap-json.h b/wrap-json.h
index f43659a..6415119 100644
--- a/wrap-json.h
+++ b/wrap-json.h
@@ -51,6 +51,8 @@ extern struct json_object *wrap_json_clone_depth(struct json_object *object, int
 
 extern struct json_object *wrap_json_object_add(struct json_object *dest, struct json_object *added);
 
+extern struct json_object *wrap_json_array_insert_array(struct json_object *dest, struct json_object *added, int idx);
+
 extern struct json_object *wrap_json_sort(struct json_object *array);
 extern struct json_object *wrap_json_keys(struct json_object *object);
 extern int wrap_json_cmp(struct json_object *x, struct json_object *y);