Fixed json_object_object_add().

* Return value of json_object_object_add() changed from void to int.
  Return value now indicates success or failure.

* Check whether allocations are successful.

* Do not exit program from within the library.

1 files changed, 9 insertions, 3 deletions

diff --git a/json_object.c b/json_object.c
index 6060554..39c9327 100644
--- a/json_object.c
+++ b/json_object.c
@@ -371,7 +371,7 @@ struct lh_table* json_object_get_object(struct json_object *jso)
   }
 }
 
-void json_object_object_add(struct json_object* jso, const char *key,
+int json_object_object_add(struct json_object* jso, const char *key,
 			    struct json_object *val)
 {
 	// We lookup the entry and replace the value, rather than just deleting
@@ -381,13 +381,19 @@ void json_object_object_add(struct json_object* jso, const char *key,
 	existing_entry = lh_table_lookup_entry(jso->o.c_object, (void*)key);
 	if (!existing_entry)
 	{
-		lh_table_insert(jso->o.c_object, strdup(key), val);
-		return;
+		char * keydup = strdup( key );
+		if ( keydup == NULL ) {
+			return -1;
+		}
+
+		return lh_table_insert(jso->o.c_object, keydup, val);
 	}
 	existing_value = (void *)existing_entry->v;
 	if (existing_value)
 		json_object_put(existing_value);
 	existing_entry->v = val;
+
+	return 0;
 }
 
 struct json_object* json_object_object_get(struct json_object* jso, const char *key)