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-rw-r--r--src/utils-json.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/utils-json.h b/src/utils-json.h
index a08e8b9..3c4fee3 100644
--- a/src/utils-json.h
+++ b/src/utils-json.h
@@ -56,6 +56,7 @@ extern int j_integer_at(struct json_object *obj, const char *key, int defval);
/*
* Adds a keyed value (of type) and returns true if done or false in case of error
+ * when key==NULL object is an array and values are appended
*/
extern int j_add(struct json_object *obj, const char *key, struct json_object *val);
extern int j_add_string(struct json_object *obj, const char *key, const char *val);