handler: replace is_error() helper with NULL check

The `is_error()` is just a macro that checks
that object is NULL (which is considered an error
in libjson-c terminology).

Newer libjson-c versions have deprecated this.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

diff --git a/handler.c b/handler.c
index 0c4627f..a0b2a57 100644 (file)
--- a/handler.c
+++ b/handler.c
@@ -105,7 +105,7 @@ netifd_parse_script_handler(const char *name, script_dump_cb cb)
                        tok = json_tokener_new();
 
                obj = json_tokener_parse_ex(tok, start, len);
-               if (!is_error(obj)) {
+               if (obj) {
                        netifd_init_script_handler(name, obj, cb);
                        json_object_put(obj);
                        json_tokener_free(tok);