From 264abd48de5a8d2ddbbf3f0bfb6b3c632d61800d Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Wed, 5 Feb 2014 21:52:39 -0800
Subject: [PATCH] Fix crash with comma or colon at the top level.

---
 jsonpull.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/jsonpull.c b/jsonpull.c
index 15552ae..20d650c 100644
--- a/jsonpull.c
+++ b/jsonpull.c
@@ -171,6 +171,10 @@ json_object *json_parse(FILE *f, json_object *current) {
 	/////////////////////////// Comma
 
 	if (c == ',') {
+		if (current == NULL) {
+			json_error("comma at top level");
+		}
+
 		if (current->parent == NULL ||
 			(current->parent->type != JSON_ARRAY &&
 			 current->parent->type != JSON_HASH)) {
@@ -183,6 +187,10 @@ json_object *json_parse(FILE *f, json_object *current) {
 	/////////////////////////// Colon
 
 	if (c == ':') {
+		if (current == NULL) {
+			json_error("colon at top level");
+		}
+
 		if (current->parent == NULL || current->parent->type != JSON_HASH) {
 			json_error(": not in hash\n");
 		}