From c6947bdf65a766d7ad9f232101d3b64bc94e8801 Mon Sep 17 00:00:00 2001
From: Matt Cai <matt@yeaka.com>
Date: Fri, 14 Sep 2018 17:06:05 +0800
Subject: [PATCH] fix a crash

[NSString stringWithUTF8String:NULL] cause crash
---
 OCGumbo/OCGumbo.m | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OCGumbo/OCGumbo.m b/OCGumbo/OCGumbo.m
index 5a9f973..52b0a56 100644
--- a/OCGumbo/OCGumbo.m
+++ b/OCGumbo/OCGumbo.m
@@ -209,7 +209,8 @@ - (OCGumboAttribute *)getAttributeNode:(NSString *)name {
 }
 
 - (NSString *)getAttribute:(NSString *)name {
-    return @(oc_gumbo_get_attribute(_gumboNode, [name UTF8String]));
+    const char *text = oc_gumbo_get_attribute(_gumboNode, [name UTF8String]);
+    return text ? @(text) : nil;
 }
 
 @end